/* =======================================================
 * TÍTULO: FOLHA DE ESTILOS PRINCIPAL (STYLE.CSS) - v2.0 FLUIDA
 * (Layout Base + Componentes + Animações Suaves)
 * ======================================================= */

/* === VARIÁVEIS GLOBAIS DE COR === */
:root {
  /* Cores principais definidas por você */
  --lumi-blue: #3fa9f5;
  --lumi-blue-dark: #004d7b; 

  /* Variações claras derivadas de #3fa9f5 */
  --lumi-blue-body-bg: #e7f3fe; /* Tom bem claro para o gradiente do body */
  --lumi-blue-light-bg: #dbeffd; /* Azul claro para fundos de cartão */

  /* Variações transparentes (baseadas em 63, 169, 245) */
  --lumi-blue-transparent-10: rgba(63, 169, 245, 0.1);
  --lumi-blue-transparent-15: rgba(63, 169, 245, 0.15);
  --lumi-blue-transparent-20: rgba(63, 169, 245, 0.2);
  --lumi-blue-transparent-30: rgba(63, 169, 245, 0.3);
  --lumi-blue-transparent-40: rgba(63, 169, 245, 0.4);
  --lumi-blue-transparent-85: rgba(63, 169, 245, 0.85);

  /* Design system — tipografia e UI (consistência entre páginas) */
  --lumi-text: #1e293b;
  --lumi-text-secondary: #475569;
  --lumi-text-muted: #64748b;
  --lumi-font-base: 0.9375rem;
  --lumi-font-sm: 0.875rem;
  --lumi-font-xs: 0.8125rem;
  --lumi-line-body: 1.55;
  --lumi-radius: 12px;
  --lumi-radius-sm: 8px;
  --lumi-border: rgba(15, 23, 42, 0.1);
  --lumi-input-border: #cbd5e1;
  --lumi-input-pad-y: 0.5rem;
  --lumi-input-pad-x: 0.75rem;
  --lumi-card-shadow: 0 6px 24px rgba(15, 23, 42, 0.07);
}


/* === ANIMAÇÕES GLOBAIS === */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes shimmer {
    0% { background-position: -1000px 0; }
    100% { background-position: 1000px 0; }
}

/* === GERAL === */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    font-size: var(--lumi-font-base);
    color: var(--lumi-text);
    line-height: var(--lumi-line-body);
    margin: 0;
    background: linear-gradient(135deg, #f7f9fc 0%, var(--lumi-blue-body-bg) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    overflow-x: hidden;
}

/* --- Hierarquia e formulários compartilhados --- */
.profile-container > h2,
.main-content .cfg-wrap > h2,
.admin-page-shell > h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--lumi-text);
    margin: 0 0 0.65rem;
    letter-spacing: -0.02em;
    line-height: 1.3;
}

.subtitle,
.lumi-subtitle {
    font-size: var(--lumi-font-sm);
    color: var(--lumi-text-secondary);
    line-height: 1.5;
    margin: 0 0 1.1rem;
    max-width: 52rem;
}

.lumi-subtitle--tight {
    margin-top: 0.25rem;
}

.lumi-required {
    color: #c62828;
    font-weight: 700;
}

.lumi-form-hint {
    display: block;
    margin-top: 0.35rem;
    font-size: var(--lumi-font-xs);
    color: var(--lumi-text-muted);
    line-height: 1.45;
}

.lumi-form-hint--tight {
    margin: 0 0 0.5rem;
}

.lumi-form-nudge-top {
    margin-top: 6px;
}

.lumi-select-inline {
    max-width: 100%;
    padding: var(--lumi-input-pad-y, 0.5rem) var(--lumi-input-pad-x, 0.65rem);
    border-radius: var(--lumi-radius-sm);
    border: 1px solid var(--lumi-input-border);
    font-family: inherit;
    font-size: var(--lumi-font-base);
    background: #fff;
    color: var(--lumi-text);
}

.lumi-checkbox-scroll {
    max-height: 220px;
    overflow: auto;
    border: 1px solid var(--lumi-input-border);
    border-radius: var(--lumi-radius-sm);
    padding: 10px;
    text-align: left;
}

.lumi-checkbox-label {
    display: block;
    margin: 6px 0;
    font-weight: 400;
    color: var(--lumi-text);
}

.lumi-checkbox-input {
    width: auto !important;
    margin-right: 8px;
}

.form-group--spaced {
    margin-bottom: 1.25rem;
}

.lumi-flash-full {
    max-width: 100%;
}

.lumi-inline-form {
    display: inline;
    margin: 0;
}

/* Listas em cartão (perfil docente, etc.) */
.lumi-card-list {
    list-style: none;
    padding: 0;
    margin: 1rem 0 0;
}
.lumi-card-list__item {
    margin-bottom: 1rem;
    padding: 0.75rem 1rem;
    border: 1px solid var(--lumi-input-border);
    border-radius: var(--lumi-radius-sm);
    background: rgba(255, 255, 255, 0.95);
    color: var(--lumi-text);
}
.lumi-card-list__meta {
    color: var(--lumi-text-muted);
    font-size: var(--lumi-font-sm);
}
.lumi-card-list__actions {
    margin-top: 0.5rem;
}
.lumi-btn-inline {
    display: inline-block;
    text-decoration: none;
    padding: 0.5rem 1rem;
    font-size: var(--lumi-font-sm);
}

body.dark-mode .lumi-card-list__item {
    background: rgba(30, 36, 48, 0.96);
    border-color: #455a64;
}

body.dark-mode .lumi-select-inline,
body.dark-mode .lumi-checkbox-scroll {
    background: #1e2430;
    border-color: #455a64;
    color: #eceff1;
}

body.dark-mode .subtitle,
body.dark-mode .lumi-subtitle {
    color: #cbd5e1;
}

body.dark-mode .lumi-form-hint {
    color: #94a3b8;
}

header {
    width: 100%;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 15px 0px;
    box-shadow: 0 2px 15px var(--lumi-blue-transparent-10); /* Ajustado */
    flex-shrink: 0;
    position: relative;
    animation: fadeIn 0.5s ease-out;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
}

.logo {
    height: 50px;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    cursor: pointer;
}

.logo:hover {
    transform: scale(1.08) rotate(-2deg);
}

/* Layout principal */
main {
    display: flex;
    justify-content: center;
    width: 95%;
    max-width: 1200px;
    margin-top: 30px;
    margin-bottom: 30px;
    gap: 30px;
    flex-grow: 1;
    align-items: flex-start;
    animation: fadeIn 0.6s ease-out 0.2s both;
}

main.faq-page,
main.calendar-page,
main.profile-page {
    display: block;
    width: 100%;
    max-width: 1200px;
    margin: 30px auto;
}

/* === ÁREA DO UTILIZADOR === */
.user-area {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 0.9em;
    animation: slideInRight 0.5s ease-out 0.3s both;
}

.welcome-msg {
    color: #555;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    animation: fadeIn 0.5s ease-out 0.5s forwards;
}

/* Link de Login com Gradiente de Texto */
.login-link {
    text-decoration: none;
    font-weight: 500;
    padding: 5px 12px;
    border-radius: 6px;
    transition: all 0.3s ease;
    
    /* Fallback de cor */
    color: var(--lumi-blue); 
    
    /* Efeito de Gradiente no Texto */
    background: linear-gradient(135deg, var(--lumi-blue) 0%, var(--lumi-blue-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
}

.login-link:hover {
    /* Reverte para cor sólida no hover */
    color: var(--lumi-blue-dark);
    background: var(--lumi-blue-transparent-10);
    -webkit-background-clip: initial;
    -webkit-text-fill-color: initial;
    background-clip: initial;
    text-fill-color: initial;
}


.profile-link {
    text-decoration: none;
    display: flex;
    align-items: center;
}

.profile-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--lumi-blue) 0%, var(--lumi-blue-dark) 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 600;
    font-size: 1.1em;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    text-transform: uppercase;
    box-shadow: 0 2px 8px var(--lumi-blue-transparent-20);
}

.profile-link:hover .profile-icon {
    transform: scale(1.15) translateY(-2px);
    box-shadow: 0 4px 15px var(--lumi-blue-transparent-40);
}

.logout-link {
    color: #e74c3c;
    text-decoration: none;
    font-weight: 500;
    padding: 5px 12px;
    border-radius: 6px;
    transition: all 0.3s ease;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.logout-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(231, 76, 60, 0.1);
    transition: left 0.3s ease;
    z-index: -1;
}

.logout-link:hover::before {
    left: 0;
}

.logout-link:hover {
    color: #c73c2c;
    transform: translateX(-2px);
}

/* === SIDEBAR === */
.funcoes {
    width: 300px;
    background: white;
    border-radius: 20px;
    padding: 25px;
    box-shadow: 0 4px 20px var(--lumi-blue-transparent-10); /* Ajustado */
    display: flex;
    flex-direction: column;
    gap: 12px;
    height: fit-content;
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.funcoes:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px var(--lumi-blue-transparent-15); /* Ajustado */
}

/* Título "Funcionalidades" com Gradiente de Texto */
.funcoes h2 {
    text-align: left;
    font-size: 1.3em;
    margin-top: 0;
    margin-bottom: 15px;
    font-weight: 600;
    position: relative;
    padding-bottom: 10px;
    
    /* Fallback de cor */
    color: var(--lumi-blue);
    
    /* Efeito de Gradiente no Texto */
    background: linear-gradient(135deg, var(--lumi-blue) 0%, var(--lumi-blue-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
}

.funcoes h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, var(--lumi-blue), transparent);
    border-radius: 2px;
}

.func-item {
    text-decoration: none;
    color: #333;
    background: linear-gradient(135deg, #f0f5ff 0%, #e6edff 100%);
    padding: 14px 18px;
    border-radius: 12px;
    font-weight: 500;
    font-size: 0.95em;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    display: block;
    position: relative;
    overflow: hidden;
}

.func-item::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    width: 4px;
    height: 0;
    background: var(--lumi-blue);
    transition: height 0.3s ease;
    transform: translateY(-50%);
}

.func-item:hover::before {
    height: 60%;
}

.func-item:hover {
    background: linear-gradient(135deg, #e0e8ff 0%, #d0dcff 100%);
    color: var(--lumi-blue-dark); /* Ajustado para o novo azul escuro */
    transform: translateX(8px);
    box-shadow: 0 4px 12px var(--lumi-blue-transparent-15);
}

.func-item.disabled {
    background: #f5f5f5;
    color: #aaa;
    cursor: not-allowed;
    transform: none;
}

.func-item.disabled:hover {
    background: #f5f5f5;
    color: #aaa;
    box-shadow: none;
}

.func-item.disabled::before {
    display: none;
}

/* === CHAT === */
.chat-container {
    width: 100%;
    background: white;
    border-radius: 20px;
    box-shadow: 0 4px 20px var(--lumi-blue-transparent-10); /* Ajustado */
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    max-height: calc(100vh - 80px - 60px);
    min-height: 400px;
    position: relative;
    overflow: hidden;
    /* AJUSTE DOS NOVOS ESTILOS - Removendo padding para os filhos controlarem */
    padding: 0;
    border-radius: 10px; /* Consistente com o estilo final */
}

/* .clear-chat-btn é redefinido abaixo nos "AJUSTES DO CHAT" */

.chat-box {
    flex-grow: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
    scroll-behavior: smooth;
    /* AJUSTE DOS NOVOS ESTILOS */
    border-radius: 0 0 10px 10px;
}

.chat-box::-webkit-scrollbar { width: 8px; }
.chat-box::-webkit-scrollbar-track { background: #f1f1ff; border-radius: 4px;}
.chat-box::-webkit-scrollbar-thumb { 
    background: linear-gradient(180deg, var(--lumi-blue), var(--lumi-blue-dark)); 
    border-radius: 4px;
}
.chat-box::-webkit-scrollbar-thumb:hover { background: var(--lumi-blue-dark); }

.msg {
    max-width: 75%;
    padding: 12px 12px;
    border-radius: 18px;
    line-height: 1.45;
    word-wrap: break-word;
    font-size: 0.95em;
    animation: fadeIn 0.3s ease-out;
    position: relative;
    opacity: 1; /* Garante que as mensagens não fiquem transparentes */
}

.msg::before {
    content: '';
    position: absolute;
    width: 0;
    height: 0;
    border-style: solid;
}

/* Regra .msg.user movida para a seção AJUSTES DO CHAT */

.msg.lumi {
    background: #f1f3f5;
    color: #333;
    border-bottom-left-radius: 5px;
    align-self: flex-start;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.msg.lumi::before {
    left: -8px;
    bottom: 0;
    border-width: 8px 8px 0 0;
    border-color: transparent #f1f3f5 transparent transparent;
}

.msg.lumi.typing-indicator {
    display: flex;
    align-items: center;
    padding: 10px 15px;
    background: #f8f9fa;
}

.msg p, .msg h1, .msg h2, .msg h3, .msg h4, .msg h5, .msg h6 {
    margin: 0;
    padding: 0;
}

.typing-indicator .dot {
    height: 8px;
    width: 8px;
    background: linear-gradient(135deg, var(--lumi-blue), var(--lumi-blue-dark));
    border-radius: 50%;
    margin: 0 2px;
    animation: blink 1.4s infinite both;
}

.typing-indicator .dot:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator .dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes blink {
    0% { opacity: 0.2; transform: scale(0.8); }
    20% { opacity: 1; transform: scale(1); }
    100% { opacity: 0.2; transform: scale(0.8); }
}

/* .chat-input e filhos são redefinidos abaixo nos "AJUSTES DO CHAT" */
.chat-input {
    display: flex;
    gap: 10px;
    padding: 15px 20px;
    border-top: 1px solid #eee;
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
}

.chat-input input {
    flex-grow: 1;
    border: 2px solid #e0e8ff;
    border-radius: 20px;
    padding: 12px 18px;
    font-size: 0.95em;
    outline: none;
    transition: all 0.3s ease;
    background: white;
}

.chat-input input:focus {
    border-color: var(--lumi-blue);
    box-shadow: 0 0 0 4px var(--lumi-blue-transparent-10);
    transform: translateY(-1px);
}

/* Botão de Enviar (Já usa o gradiente sólido) */
.chat-input button {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--lumi-blue) 0%, var(--lumi-blue-dark) 100%);
    color: white;
    border: none;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    flex-shrink: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 2px 8px var(--lumi-blue-transparent-30);
}

.chat-input button:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 4px 15px var(--lumi-blue-transparent-40);
}

.chat-input button:active {
    transform: scale(0.95);
}

.chat-input button:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* === FAQ/CONTAINERS === */
.faq-container {
    width: 100%;
    max-width: 900px;
    background: white;
    border-radius: 20px;
    padding: 35px 45px;
    box-shadow: 0 4px 20px var(--lumi-blue-transparent-10); /* Ajustado */
    margin: 0 auto 40px auto;
    position: relative;
    animation: fadeIn 0.5s ease-out;
}

/* Título da FAQ (Já usa o gradiente de texto) */
.faq-container h1 {
    text-align: center;
    background: linear-gradient(135deg, var(--lumi-blue), var(--lumi-blue-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
    font-size: 2.2em;
    font-weight: 600;
}

.faq-container > p {
    text-align: center;
    color: #666;
    font-size: 1.1em;
    margin-bottom: 30px;
}

.faq-search {
    width: 100%;
    padding: 14px 18px;
    margin-bottom: 25px;
    border: 2px solid #e0e8ff;
    border-radius: 12px;
    font-size: 1em;
    transition: all 0.3s ease;
    background: white;
}

.faq-search:focus {
    border-color: var(--lumi-blue);
    outline: none;
    box-shadow: 0 0 0 4px var(--lumi-blue-transparent-10);
}

.faq-item {
    border-bottom: 1px solid #eee;
    transition: all 0.3s ease;
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 8px;
}

.faq-question:hover {
    background: linear-gradient(135deg, #f9fcff 0%, #f0f8ff 100%);
    padding-left: 15px;
}

.faq-question span {
    font-size: 1.05em;
    font-weight: 500;
    color: #333;
    padding-right: 15px;
    transition: color 0.3s ease;
}

.faq-item:hover .faq-question span {
    color: var(--lumi-blue);
}

.faq-icon {
    font-size: 1.4em;
    font-weight: bold;
    color: var(--lumi-blue);
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    flex-shrink: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--lumi-blue-transparent-10);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
    background: var(--lumi-blue-transparent-20);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), 
                padding 0.4s ease,
                opacity 0.3s ease;
    padding: 0 15px;
    opacity: 0;
}

.faq-answer p {
    color: #555;
    font-size: 0.95em;
    text-align: left;
    line-height: 1.6;
    margin: 0;
    padding-bottom: 15px;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding-top: 5px;
    padding-bottom: 20px;
    opacity: 1;
}

/* === NOTIFICAÇÕES TOAST === */
#toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1050;
    width: 320px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast-message {
    background: white;
    padding: 16px 20px;
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    border-left: 4px solid #ccc;
    font-size: 0.9em;
    font-weight: 500;
    color: #333;
    opacity: 0;
    transform: translateX(100%) scale(0.9);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.toast-message.show {
    opacity: 1;
    transform: translateX(0) scale(1);
}

.toast-message.hide {
    opacity: 0;
    transform: translateX(100%) scale(0.9);
}

.toast-message.success {
    border-left-color: #28a745;
    background: linear-gradient(135deg, #ffffff 0%, #f0fff4 100%);
}

.toast-message.warning {
    border-left-color: #ffc107;
    background: linear-gradient(135deg, #ffffff 0%, #fffbf0 100%);
}

.toast-message.danger {
    border-left-color: #dc3545;
    background: linear-gradient(135deg, #ffffff 0%, #fff5f5 100%);
}

/* ATUALIZADO: Toast 'info' para usar o azul da Lumi */
.toast-message.info {
    border-left-color: var(--lumi-blue);
    background: linear-gradient(135deg, #ffffff 0%, var(--lumi-blue-body-bg) 100%);
}

.toast-close-btn {
    float: right;
    font-size: 1.2em;
    font-weight: bold;
    color: #aaa;
    cursor: pointer;
    margin-left: 10px;
    line-height: 0.8;
    transition: all 0.2s ease;
}

.toast-close-btn:hover {
    color: #333;
    transform: rotate(90deg);
}

/* === UTILIDADES === */
.hidden {
    display: none !important;
}

/* === RESPONSIVIDADE === */
@media (max-width: 992px) {
    main {
        flex-direction: column;
        align-items: center;
    }
    .funcoes {
        width: 100%;
        max-width: 700px;
        order: 1;
    }
    .chat-container {
        width: 100%;
        max-width: 700px;
        order: 2;
        max-height: 60vh;
    }
}

@media (max-width: 768px) {
    .logo { height: 45px; }
    .user-area { right: 15px; gap: 10px; }
    .welcome-msg { display: none; }
    .profile-icon { width: 32px; height: 32px; font-size: 1em; }
    .msg { max-width: 85%; }
}

@media (max-width: 480px) {
    main { padding: 0 10px; }
    .faq-container { padding: 20px; }
    .chat-input button { width: 38px; height: 38px; }
}

/* ======================================================= */
/* === CSS ADICIONADO PARA FLASHCARDS INTERATIVOS === */
/* ======================================================= */

/* --- 1. Seleção de Disciplina --- */
#subject-selection {
    text-align: center;
}

#subject-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-top: 20px;
}

.subject-btn {
    background-color: var(--lumi-blue); 
    color: white;
    border: none;
    border-radius: 8px;
    padding: 12px 20px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.subject-btn:hover {
    background-color: var(--lumi-blue-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.back-btn-flashcard-subject {
    display: inline-block;
    margin-bottom: 20px;
    color: #555;
    text-decoration: none;
    font-size: 0.9rem;
}
.back-btn-flashcard-subject:hover {
    color: var(--lumi-blue);
    text-decoration: underline;
}


/* --- 2. Visualizador do Flashcard --- */
#flashcard-viewer {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 600px;
    margin: 0 auto;
}

#back-to-subjects {
    align-self: flex-start;
    background: none;
    border: none;
    color: #555;
    cursor: pointer;
    font-size: 0.9rem;
    margin-bottom: 15px;
    padding: 5px;
}
#back-to-subjects:hover {
    color: var(--lumi-blue);
    text-decoration: underline;
}

#subject-title {
    color: #333;
    margin-bottom: 20px;
}

/* --- 3. Efeito 3D de Virar --- */

/* A "cena" define a perspectiva 3D */
#flashcard-scene {
    width: 100%;
    max-width: 500px;
    height: 300px;
    perspective: 1000px; /* Define o quão "extremo" é o 3D */
    margin-bottom: 20px;
}

/* O 'flashcard' é o container que vira */
.flashcard {
    width: 100%;
    height: 100%;
    position: relative;
    cursor: pointer;
    transform-style: preserve-3d; /* Permite que os filhos sejam 3D */
    transition: transform 0.6s;
}

/* O estado "virado" */
.flashcard.is-flipped {
    transform: rotateY(180deg);
}

/* Estilo comum para frente e verso */
.card-face {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden; /* Safari */
    backface-visibility: hidden; /* Esconde o lado que está "atrás" */
    
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    box-sizing: border-box; /* Garante que o padding não quebre o layout */
    
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    font-size: 1.2rem;
    text-align: center;
}

/* Frente do Cartão */
.card-front {
    background-color: #f8f9fa;
    color: #333;
    border: 1px solid #e0e0e0;
}

/* Verso do Cartão */
.card-back {
    background-color: var(--lumi-blue-light-bg);
    color: var(--lumi-blue-dark); /* Ajustado */
    border: 1px solid var(--lumi-blue-transparent-40); /* Ajustado */
    transform: rotateY(180deg); /* Começa "virado" */
}

#flashcard-question,
#flashcard-answer {
    font-weight: 500;
}

/* --- 4. Navegação --- */
.flashcard-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    width: 100%;
}

.flashcard-nav button {
    background-color: var(--lumi-blue);
    color: white;
    border: none;
    border-radius: 50%; /* Botões redondos */
    width: 45px;
    height: 45px;
    font-size: 1.5rem;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.2s;
}

.flashcard-nav button:hover {
    background-color: var(--lumi-blue-dark);
}

#card-counter {
    font-size: 1rem;
    color: #555;
    font-weight: 500;
}

/* ======================================================= */
/* === AJUSTES DO CHAT (Conforme solicitado) === */
/* (Estes substituem quaisquer regras conflitantes acima) */
/* ======================================================= */

/* --- 1. MODIFICAÇÃO: Mensagens do Usuário (Gradiente SÓLIDO) --- */
.chat-box .msg.user {
    /* Gradiente SÓLIDO, 100% Opaco */
    background: linear-gradient(135deg, var(--lumi-blue) 0%, var(--lumi-blue-dark) 100%);
    
    /* Texto 100% branco e opaco */
    color: #FFFFFF; 
    
    /* Layout e bordas */
    align-self: flex-end;
    border-radius: 15px 15px 0 15px;
    box-shadow: 0 2px 8px var(--lumi-blue-transparent-30); /* Sombra suave */
    border: none; /* Remove qualquer borda */
    
    /* Animação correta (substitui o 'fadeIn' da classe .msg) */
    animation: slideInRight 0.3s ease-out; 
    
    /* Garante que a opacidade final seja 1 (após a animação) */
    opacity: 1 !important; 
}

/* Triângulo/seta da caixa de mensagem, SÓLIDO */
.chat-box .msg.user::before {
    content: '';
    position: absolute;
    width: 0;
    height: 0;
    border-style: solid;
    right: -8px;
    bottom: 0;
    border-width: 8px 0 0 8px;
    border-color: transparent transparent transparent var(--lumi-blue-dark); /* Cor escura SÓLIDA */
}


/* --- 2. MODIFICAÇÃO: Input de Texto (Translúcido) --- */
.chat-input input,
.chat-input input[type="text"] {
    flex-grow: 1;
    padding: 10px 15px;
    border: 1px solid #e0e0e0;
    border-radius: 25px;
    font-size: 1em;
    outline: none;
    transition: all 0.3s ease;
    background-color: rgba(240, 240, 240, 0.8); /* Cinza claro 80% translúcido */
    color: #333;
}

.chat-input input:focus,
.chat-input input[type="text"]:focus {
    background-color: #ffffff; /* Fica branco sólido ao clicar */
    border-color: var(--lumi-blue);
    box-shadow: 0 0 0 3px var(--lumi-blue-transparent-20);
    transform: none; /* Sobrescreve o transform anterior */
}

/* --- 3. ADIÇÃO: Novo Cabeçalho do Chat (Chat Geral) --- */

/* CORREÇÃO: Remove o fundo cinza e a borda do cabeçalho */
.chat-header-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: transparent; /* Remove o fundo cinza */
    padding: 15px 20px;
    border-bottom: none; /* Remove a borda */
    border-radius: 10px 10px 0 0; 
}

/* CORREÇÃO: Adiciona a "barra quebrada" ao título do chat */
.chat-title-main {
    font-size: 1.3em;
    font-weight: 600;
    margin: 0;
    
    /* Fallback de cor */
    color: var(--lumi-blue);
    
    /* Efeito de Gradiente no Texto */
    background: linear-gradient(135deg, var(--lumi-blue) 0%, var(--lumi-blue-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
    
    /* Estilos para a "barra quebrada" */
    position: relative;
    padding-bottom: 10px;
}

/* CORREÇÃO: Cria a "barra quebrada" */
.chat-title-main::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, var(--lumi-blue), transparent);
    border-radius: 2px;
}

/* --- 4. MODIFICAÇÃO: Botão "Limpar Conversa" (Melhorado) --- */
.clear-chat-btn {
    background-color: transparent;
    color: var(--lumi-blue);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8em;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
    border: 2px solid var(--lumi-blue-transparent-30); /* Borda azul clara */
}

.clear-chat-btn:hover {
    background-color: var(--lumi-blue-transparent-10); /* Fundo azul claro ao passar o mouse */
    color: var(--lumi-blue-dark);
    border-color: var(--lumi-blue-transparent-85); /* Borda mais forte */
    transform: translateY(-1px);
}

/* Botão "Limpar" (form POST + CSRF) — herdar estilo do link antigo */
.chat-header-box form button.clear-chat-btn {
    font: inherit;
    font-family: 'Poppins', sans-serif;
    cursor: pointer;
}

/* --- 5. MODIFICAÇÃO: Caixa de Chat (Mensagens) --- */
.chat-box {
    flex-grow: 1;
    overflow-y: auto;
    padding: 20px; 
    border-radius: 0 0 10px 10px; 
}

/* --- 6. MODIFICAÇÃO: Caixa de Input (Formulário) --- */
.chat-input {
    display: flex;
    padding: 15px 20px;
    border-top: 1px solid #eee;
    background-color: rgba(255, 255, 255, 0.6); 
    border-radius: 0 0 10px 10px;
    backdrop-filter: none; /* Remove backdrop do input-area se houver */
}

/* =======================================================
 * BLOCO FINAL DE ADIÇÕES (v9 - SIDEBAR + PERFIL)
 * (Cole este bloco no final do seu style.css)
 * ======================================================= */

/* =======================================================
 * 1. ESTILOS DA SIDEBAR (v8 - Flutuante, Sem Círculo)
 * (CORRIGIDO: Lumi 4 e Ícone Hambúrguer no .menu-toggle)
 * ======================================================= */

/* 1.1. O BOTÃO DO MENU (Flutuante, Sem Círculo, À Esquerda) */
/* (MODIFICADO para ser um container para a imagem e o ícone) */
/* 1.1. O BOTÃO DO MENU (CORRIGIDO para 'position: absolute') */
.menu-toggle {
    /* POSIÇÃO */
    position: absolute; /* <--- CORRIGIDO (para ficar DENTRO do header) */
    
    /* Alinha verticalmente com o centro */
    top: 2px;
    
    /* Distância da esquerda */
    left: 10px; 
    
    z-index: 998; 

    /* ESTILO (Mantido como estava) */
    background: none;
    border: none;
    color: var(--lumi-blue-dark); 
    cursor: pointer;
    transition: all 0.2s ease;
    
    /* Forma (Mantido como estava) */
    width: auto;
    height: auto;
    border-radius: 0;
    box-shadow: none;
    
    /* Alinhamento (Mantido como estava) */
    display: flex;
    flex-direction: column; 
    align-items: center;   
    justify-content: center;
    line-height: 1;
    padding: 5px; 
    margin: 0;
}

/* Ajuste no :hover para a nova posição */
.menu-toggle:hover {
    color: var(--lumi-blue); 
    transform: scale(1.1);
}
/* === NOVO: Estilos para a imagem Lumi 4 === */
.lumi-4-icon {
    width: 55px;  /* Ajuste o tamanho da imagem da Lumi 4 */
    height: auto; /* Mantém a proporção */
    margin-bottom: 5px; /* Espaçamento entre a Lumi 4 e o hambúrguer */
    transition: transform 0.2s ease;
}

.menu-toggle:hover .lumi-4-icon {
    transform: translateY(-2px); /* Efeito suave ao passar o mouse */
}


/* 1.2. A SIDEBAR (Menu - Usando Transform) */
/* (Esta parte foi mantida como a sua - Sem Sombra) */
.sidebar {
    height: 100%;
    width: 260px;
    position: fixed;
    z-index: 1000;
    top: 0;
    left: 0;
    background-color: #ffffff; /* Fundo branco (CORRETO) */
    /* box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1); */
    overflow-y: auto;
    font-family: 'Poppins', sans-serif;
    transform: translateX(-100%); /* Começa fora da tela */
    transition: transform 0.3s cubic-bezier(0.77, 0, 0.175, 1);
}

.sidebar.active {
    transform: translateX(0); /* Entra na tela */
}

/* (Esta parte foi mantida como a sua) */
.sidebar-header {
    background: linear-gradient(to right, var(--lumi-blue), var(--lumi-blue-dark));
    border-bottom: none; 
    padding: 20px 25px 24px 25px; 
    position: relative; 
}

/* (Esta parte foi mantida como a sua) */
.sidebar-header h3 {
    margin: 0;
    color: white; 
    font-weight: 600;
    font-family: 'Poppins', sans-serif;
}

/* (Esta parte foi mantida como a sua) */
.sidebar-header::after {
    content: ''; /* Obrigatório */
    position: absolute;
    bottom: 0; /* Gruda na parte de baixo do header */
    left: 0;   /* Começa na esquerda */
    width: 100%;
    height: 4px; /* Espessura da barra */
    background: linear-gradient(to right, 
        var(--lumi-blue), 
        var(--lumi-blue-dark), 
        transparent
    );
}

/* (Esta parte foi mantida como a sua - Sem linhas) */
.sidebar a {
    padding: 16px 25px;
    text-decoration: none;
    font-size: 1.05em;
    color: var(--lumi-blue-dark, #004d7b); /* Links escuros (CORRETO) */
    display: block;
    transition: background-color 0.2s ease, color 0.2s ease;
    font-weight: 500;
    /* border-bottom: 1px solid var(--lumi-blue-transparent-15); */
    font-family: 'Poppins', sans-serif;
}
.sidebar a:hover {
    background-color: var(--lumi-blue-transparent-10);
    color: var(--lumi-blue);
}

/* Menu lateral: lista e seções */
.sidebar > ul {
    list-style: none;
    margin: 0;
    padding: 0;
}
.sidebar li.sidebar-nav-section {
    list-style: none;
}
.sidebar-nav-section-title {
    display: block;
    padding: 18px 25px 6px;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.11em;
    text-transform: uppercase;
    color: #90a4ae;
    line-height: 1.4;
}
.sidebar li.sidebar-nav-section:first-child .sidebar-nav-section-title {
    padding-top: 14px;
}
.sidebar li.sidebar-nav-section:not(:first-child) {
    margin-top: 4px;
}

/* Item ativo = só a página corrente (request.endpoint) */
.sidebar a.sidebar-nav-link.sidebar-nav-link--active {
    font-weight: 600;
    border-left: 3px solid var(--lumi-blue, #4B8BEA);
    padding-left: 22px;
    background: rgba(75, 139, 234, 0.1);
    color: var(--lumi-blue, #1976d2);
}
.sidebar a.sidebar-nav-link.sidebar-nav-link--active:hover {
    background: rgba(75, 139, 234, 0.16);
    color: #1565c0;
}
.sidebar a.sidebar-nav-link--utility:hover {
    background-color: var(--lumi-blue-transparent-10);
}

/* Menu: links com alinhamento para badge (feedback pendente) */
.sidebar a.sidebar-nav-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}

.sidebar-nav-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.35rem;
    height: 1.35rem;
    padding: 0 0.4rem;
    border-radius: 999px;
    font-size: 0.68rem;
    font-weight: 700;
    line-height: 1;
    background: #e53935;
    color: #fff;
    flex-shrink: 0;
    box-shadow: 0 1px 4px rgba(229, 57, 53, 0.45);
}

body.dark-mode .sidebar-nav-badge {
    background: #ff5252;
    color: #fff;
    box-shadow: 0 1px 4px rgba(255, 82, 82, 0.4);
}

/* Acessibilidade: esconde label visualmente */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Área de Coordenação (+ seletor de curso) — à esquerda do cabeçalho (só coordenador) */
header .header-coord-left {
    position: absolute;
    left: 52px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 997;
    display: flex;
    align-items: center;
    max-width: min(46vw, 520px);
}

@media (max-width: 768px) {
    header .header-coord-left {
        max-width: calc(100% - 120px);
        left: 48px;
    }
    .header-link-coord-ia {
        font-size: 0.78rem !important;
        padding: 6px 8px !important;
    }
}

.header-coord-course-form {
    display: inline;
    margin: 0;
}

.header-coord-course-form select {
    font-size: 0.82rem;
    max-width: 11rem;
    padding: 4px 6px;
    border-radius: 6px;
}

/* Barra fixa no Modo Foco: mantém os botões à esquerda da tela */
.foco-ia-bar .header-coord-left {
    position: relative;
    left: auto;
    top: auto;
    transform: none;
    max-width: none;
}

.header-ia-buttons {
    display: inline-flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

/* Atalho no topo (chat / perfil) para coordenador */
.header-link-coord-ia {
    margin-right: 12px;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    color: #fff !important;
    background: linear-gradient(135deg, #4B8BEA, #2d6bc4);
    white-space: nowrap;
}
.header-link-coord-ia:hover {
    filter: brightness(1.05);
    color: #fff !important;
}

/* Botão único “Área de Coordenação” no header */
.header-link-coord-hub {
    background: linear-gradient(135deg, #3949ab, #283593) !important;
    box-shadow: 0 2px 8px rgba(57, 73, 171, 0.35);
}

/* 1.3. O OVERLAY (Fundo escurecido) */
/* (Esta parte foi mantida exatamente como a sua) */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0s 0.3s;
}

.overlay.active {
    opacity: 1;
    visibility: visible;
    transition: opacity 0.3s ease;
}

/* =======================================================
 * 1.4. NOVO ÍCONE DE MENU (CSS HAMBURGER)
 * (Este foi mantido, mas agora o .menu-toggle lida com o posicionamento)
 * ======================================================= */

/* A barra do meio */
.hamburger-icon {
    display: block;
    position: relative; /* Mantido para ::before/::after */
    width: 28px; /* Largura do ícone */
    height: 3px; /* Espessura da barra */
    background-color: currentColor; /* Pega a cor do .menu-toggle */
    border-radius: 2px;
    transition: background-color 0.2s ease;
}

/* As barras de cima e de baixo */
.hamburger-icon::before,
.hamburger-icon::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 3px; /* Espessura da barra */
    background-color: currentColor; /* Pega a cor do .menu-toggle */
    border-radius: 2px;
}

/* Posição da barra de cima (8px acima da do meio) */
.hamburger-icon::before {
    top: -8px; 
}

/* Posição da barra de baixo (8px abaixo da do meio) */
.hamburger-icon::after {
    bottom: -8px;
}

/* =======================================================
 * ADIÇÕES: ESTILOS DA PÁGINA DE PERFIL (v14 - VALORES EXATOS)
 * (Esta seção inteira foi mantida exatamente como a sua)
 * ======================================================= */

/* 1. CONTAINER DO PERFIL (com margem no topo) */
.profile-container {
    max-width: 700px;
    margin: 40px auto; /* Centraliza e dá espaço no topo */
    
    /* O "enchimento" (padding) que vamos "quebrar" */
    padding: 30px 40px; 
    
    background-color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0, 77, 123, 0.08);
    border: 1px solid var(--lumi-blue-transparent-20);
}

/* === NOVO: Estilos para o círculo da foto de perfil === */
/* (Anteriormente era para a letra, agora é o container da imagem) */
.profile-picture {
    width: 40px;          /* Tamanho do círculo */
    height: 40px;         /* Tamanho do círculo */
    border-radius: 50%;   /* Transforma em círculo */
    background-color: #f0f0f0; /* Fundo padrão, se a imagem não carregar */
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;     /* Garante que a imagem não vaze do círculo */
    border: 2px solid var(--lumi-blue); /* Borda ao redor da foto */
    flex-shrink: 0; /* Impede que o círculo diminua */
}

/* === NOVO: Estilos para a imagem Lumi 2 dentro do círculo === */
.profile-picture .profile-img {
    width: 100%;      /* Preenche a largura do .profile-picture */
    height: 100%;     /* Preenche a altura do .profile-picture */
    object-fit: cover; /* Recorta a imagem para preencher o container sem distorcer */
    border-radius: 50%; /* Garante que a imagem seja circular */
}

/* Botão Voltar Padrão (Global) */
.back-btn-global {
    /* REMOVIDO: position: absolute, top, left */
    
    display: inline-flex;  /* Faz o botão ocupar só o espaço dele */
    align-items: center;   /* Centraliza a setinha verticalmente */
    margin-bottom: 15px;   /* Empurra o título para baixo */
    
    /* Estilos visuais */
    text-decoration: none;
    color: #4B8BEA;
    font-weight: 500;
    font-size: 0.95em;
    cursor: pointer;
    transition: color 0.2s ease;
}

.back-btn-global:hover {
    color: #3a74d3;
}

    
    /* === MUDANÇA APLICADA AQUI (v14) === */
    /* Exatamente o valor do padding-top para "colar" em cima */
    margin-top: -30px; 
    /* Exatamente o valor do padding-left para "colar" na esquerda */
    margin-left: -10px; 
    /* Garante espaço abaixo antes do h2 */
    margin-bottom: 0px; 
    /* =================================== */
    
    /* Adicionamos padding interno no link para ele não ficar feio */
    padding-top: 5px;
    padding-left: 5px;
    
    color: var(--lumi-blue);
    text-decoration: none;
    font-size: 0.95em;
    font-weight: 500;
    
    transition: color 0.2s ease, transform 0.2s ease;
}

.back-link-profile-glued-final:hover {
    color: var(--lumi-blue-dark);
    text-decoration: underline;
    transform: translateX(-3px);
}

/* 3. MENSAGENS DE FLASH (Sucesso, Erro) */
.flash-messages-profile {
    margin-bottom: 20px;
    border-radius: 8px;
    overflow: hidden;
}
.flash-messages-profile .flash {
    padding: 15px;
    font-weight: 500;
}
.flash.success {
    background-color: #d4edda;
    color: #155724;
}
.flash.danger {
    background-color: #f8d7da;
    color: #721c24;
}

/* 4. FORMULÁRIO DE PERFIL */
.profile-form .form-group {
    margin-bottom: 20px;
}

.profile-form label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--lumi-text-secondary);
    font-size: var(--lumi-font-sm);
}

/* 5. INPUTS EDITÁVEIS (Nome, Email, Selects) */
.profile-form input[type="text"],
.profile-form input[type="email"],
.profile-form select {
    width: 100%;
    padding: 0.65rem 0.85rem;
    min-height: 2.75rem;
    border: 1px solid var(--lumi-input-border);
    border-radius: var(--lumi-radius-sm);
    font-family: 'Poppins', sans-serif;
    font-size: var(--lumi-font-base);
    background-color: #ffffff;
    color: var(--lumi-text);
    box-sizing: border-box;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

/* 6. EFEITO DE FOCO nos inputs editáveis */
.profile-form input[type="text"]:focus,
.profile-form input[type="email"]:focus,
.profile-form select:focus {
    border-color: var(--lumi-blue);
    box-shadow: 0 0 0 3px var(--lumi-blue-transparent-30);
    outline: none;
}

/* 7. INPUTS NÃO-EDITÁVEIS (Matrícula, CPF) */
.profile-form input[readonly] {
    background-color: #f1f5f9;
    color: var(--lumi-text-muted);
    cursor: not-allowed;
}

/* 8. CONTAINER DOS BOTÕES (Salvar, Sair) */
.profile-actions {
    margin-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

/* 9. BOTÃO DE SALVAR (Primário) */
.btn-submit-profile {
    background-color: var(--lumi-blue);
    color: white;
    font-family: 'Poppins', sans-serif;
    font-size: 1em;
    font-weight: 500;
    padding: 12px 25px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s ease, box-shadow 0.2s ease;
}

.btn-submit-profile:hover {
    background-color: var(--lumi-blue-dark);
    box-shadow: 0 4px 10px rgba(0, 77, 123, 0.2);
}

/* 10. BOTÃO DE LOGOUT (Secundário) */
.btn-logout-profile {
    background-color: #fce8e8;
    color: #c94a4a;
    font-family: 'Poppins', sans-serif;
    font-size: 1em;
    font-weight: 500;
    padding: 12px 25px;
    border-radius: 8px;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.2s ease, color 0.2s ease;
    border: 1px solid #f5c6c6;
}

.btn-logout-profile:hover {
    background-color: #c94a4a;
    color: white;
}

/* =======================================================
 * BLOCO DE CORREÇÃO DO HEADER (Cole no FIM do style.css)
 * ======================================================= */

/* 1. O HEADER (A caixa principal) */
header {
    width: 100% !important;
    background-color: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px) !important;
    
    /* Garante a altura mínima para englobar tudo */
    min-height: 80px !important; 
    
    /* Padding vertical, 0 nos lados */
    padding: 10px 0 !important; 
    
    box-shadow: 0 2px 15px var(--lumi-blue-transparent-10) !important;
    
    /* Essencial para o .menu-toggle e .user-area */
    position: relative !important; 
    
    /* Layout Flexbox */
    display: flex !important;
    align-items: center !important;    
    justify-content: center !important; /* Centra o logo */
    
    flex-shrink: 0 !important;
}

/* 2. O LOGO (No centro) */
.logo {
    height: 50px !important; 
    width: auto !important;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
    cursor: pointer !important;
    /* Garante que o logo não seja 'absolute' ou 'fixed' */
    position: relative !important; 
}

/* 3. A ÁREA DO UTILIZADOR (Perfil, à direita) */
.user-area {
    /* Posição absoluta DENTRO do header */
    position: absolute !important; 
    right: 10px !important; 
    top: 50% !important;
    transform: translateY(-50%) !important;
    
    /* Remove padding duplicado */
    padding-right: 0 !important; 
    
    display: flex !important;
    align-items: center !important;
    gap: 15px !important;
    font-size: 0.9em !important;
}

/* 4. O BOTÃO DO MENU (Lumi 4 + Hambúrguer, à esquerda) */
/* POSIÇÃO */
.menu-toggle {
 position: absolute; /* <--- CORRIGIDO (para ficar PRESO no cabeçalho) */
 
 /* === MUDANÇA: Posição no topo (como pediu) === */
  top: -10px; /* (Ajuste para 15px se quiser mais baixo) */
 left: 10px; 
 
 z-index: 998; /* Fica acima da página */

 /* ESTILO (Mantido) */
 background: none;
 border: none;
 color: var(--lumi-blue-dark); /* (Cor usada pelas barras do hambúrguer) */
 cursor: pointer;
 transition: all 0.2s ease;
 
 /* Forma (Mantido) */
 width: auto;
 height: auto;
 border-radius: 0;
 box-shadow: none;
 
 /* Alinhamento (Mantido) */
 display: flex;
 flex-direction: column; /* Coloca os itens em coluna (um em cima do outro) */
 align-items: center;   /* Centraliza horizontalmente */
 justify-content: center; /* Centraliza verticalmente (se houver espaço) */
 
 line-height: 1;
 padding: 5px; 
 margin: 0;

}

/* Efeito de hover (CORRIGIDO sem o 'transform' antigo) */
.menu-toggle:hover { color: var(--lumi-blue); /* (Muda a cor das barras do hambúrguer) */
transform: scale(1.1); /* (Remove qualquer 'translateY' que possa existir) */
}

/* =======================================================
   ATUALIZAÇÕES (MENU + PERFIL) - COLE NO FINAL DO ARQUIVO
   Isso vai sobrescrever o menu antigo sem quebrar o resto.
   ======================================================= */

/* --- 1. CABEÇALHO DO MENU (Branco + Barra Degradê) --- */
.sidebar-header {
    display: flex !important;
    align-items: center !important;
    gap: 15px !important;
    padding: 20px 20px !important;
    background-color: white !important; /* Força Branco */
    position: relative !important;
    border-bottom: none !important;
    height: auto !important;
    min-height: 80px;
}

/* Barra colorida na borda inferior */
.sidebar-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--lumi-blue, #3fa9f5), transparent);
    z-index: 10;
}

/* Foto da Lumi (Bolinha) */
.sidebar-avatar {
    width: 50px !important;
    height: 50px !important;
    border-radius: 50% !important;
    object-fit: cover !important;
    border: 2px solid #fff !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1) !important;
    margin: 0 !important; /* Remove margens estranhas antigas */
}

/* Texto "Menu Lumi" */
.sidebar-header h3 {
    margin: 0 !important;
    font-size: 1.3rem !important;
    font-weight: 700 !important;
    background: linear-gradient(135deg, var(--lumi-blue, #3fa9f5) 0%, var(--lumi-blue-dark, #004d7b) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: #3fa9f5;
}

/* --- 2. BOTÃO HAMBÚRGUER (Cápsula Pequena) --- */
.menu-toggle {
    /* Destrava o tamanho */
    align-self: center !important; 
    min-height: 0 !important;      
    padding: 0 !important;
    
    /* Tamanho fixo pequeno */
    width: 45px !important;
    height: 40px !important;
    
    /* Posição fixa */
    position: absolute !important;
    left: 20px !important;
    top: 20px !important; /* Ajuste aqui se quiser subir ou descer */
    transform: none !important; /* Remove centralização antiga se houver conflito */
    
    z-index: 2000 !important;
    background: transparent !important;
    border: none !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    cursor: pointer;
    box-shadow: none !important; /* Remove sombra da caixa se tiver */
}

/* Esconde a imagem antiga se o HTML ainda tiver */
.menu-toggle img { display: none !important; }

/* O Desenho da Barra (Cápsula) */
.hamburger-icon {
    display: block !important;
    position: relative !important;
    width: 28px !important;  
    height: 4px !important;  
    background-color: var(--lumi-blue-dark, #004d7b) !important;
    border-radius: 10px !important;
}

.hamburger-icon::before,
.hamburger-icon::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 4px; 
    background-color: var(--lumi-blue-dark, #004d7b) !important;
    border-radius: 10px;
}
.hamburger-icon::before { top: -8px; } 
.hamburger-icon::after { bottom: -8px; }

/* --- 3. ESTILO DO PERFIL (Igual Login/Registro) --- */
/* Isso garante que o perfil novo funcione mesmo com o CSS antigo */
body.perfil-centralizado {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #f7f9fc;
    margin: 0;
}

.auth-style-card {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 400px;
    text-align: center;
    position: relative;
    z-index: 1;
    margin-top: 50px; /* Espaço para não bater no botão */
}

.auth-style-card h2 {
    color: var(--lumi-blue, #3fa9f5);
    margin-bottom: 30px;
    font-weight: 600;
}

.auth-profile-img {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--lumi-blue, #3fa9f5);
    margin: 0 auto 20px auto;
    display: block;
}

.auth-style-card label {
    display: block;
    text-align: left;
    margin-bottom: 5px;
    font-weight: 500;
    color: #555;
    font-size: 0.9em;
}

.auth-style-card input,
.auth-style-card select {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
    box-sizing: border-box;
    background-color: white;
}

.btn-salvar {
    width: 100%;
    padding: 10px;
    background-color: var(--lumi-blue, #3fa9f5);
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    font-weight: 600;
    margin-top: 10px;
}
.btn-salvar:hover { background-color: var(--lumi-blue-dark, #004d7b); }

.btn-sair {
    display: block; margin-top: 15px; color: #c94a4a;
    text-decoration: none; font-size: 0.9em; font-weight: 500;
}

/* =======================================================
   CORREÇÃO FINAL: CABEÇALHO BRANCO
   (Cola isso no final do arquivo style.css)
   ======================================================= */

/* Força o fundo branco e remove qualquer azul */
nav.sidebar .sidebar-header {
    background-color: #ffffff !important; /* Fundo BRANCO */
    background: #ffffff !important;       /* Garante remoção de degradês azuis */
    border-bottom: none !important;
}

/* Garante que o texto "Menu Lumi" apareça (Degradê Azul) */
nav.sidebar .sidebar-header h3 {
    margin: 0 !important;
    font-weight: 700 !important;
    
    /* O texto fica com aquele degradê bonito */
    background: linear-gradient(135deg, #3fa9f5 0%, #004d7b 100%) !important;
    -webkit-background-clip: text !important;
    background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    color: #3fa9f5 !important; /* Cor de segurança */
}

/* Garante a barrinha colorida embaixo */
nav.sidebar .sidebar-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #3fa9f5, transparent) !important;
    z-index: 10;
}

/* =======================================================
   ESTILO DO AVATAR NO CHAT (BOLINHA)
   ======================================================= */

/* Container que segura a Imagem + Balão */
.message-wrapper {
    display: flex;
    align-items: flex-end; /* Alinha o avatar na parte de baixo do balão */
    margin-bottom: 15px;
    width: 100%;
}

/* Alinhamento da Lumi (Esquerda) */
.message-wrapper.lumi {
    justify-content: flex-start;
}

/* Alinhamento do Usuário (Direita) */
.message-wrapper.user {
    justify-content: flex-end;
}

/* Estilo da Bolinha (Avatar) - AJUSTADO */
.chat-avatar {
    width: 30px;           /* Tamanho reduzido (era 40px) */
    height: 30px;
    border-radius: 50%;    
    object-fit: cover;     
    margin-right: 8px;     /* Espaço levemente reduzido */
    flex-shrink: 0;        
}

/* Pequeno ajuste no balão para não grudar na imagem */
.msg {
    max-width: 75% !important; 
    margin: 0 !important; /* A margem agora é controlada pelo wrapper */
}

/* ========================================
   SIMULADOR DE PROVAS - ESTILO LUMI
   Design limpo e moderno
   ======================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #e8f0fe 0%, #f0f4ff 100%);
    min-height: 100vh;
}

.hidden {
    display: none !important;
}


/* ========================================
   CONTAINER PRINCIPAL
   ======================================== */
.simulador-container {
    margin-left: 0;
    padding-top: 80px;
    padding: 30px;
    min-height: calc(100vh - 80px);
}

/* ========================================
   TELA DE CONFIGURAÇÃO
   ======================================== */
#inicio-box {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 500px;
}

.config-card {
    background: white;
    padding: 30px 40px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    max-width: 700px;
    width: 100%;
    text-align: center;
}

.icon-header {
    font-size: 48px;
    margin-bottom: 12px;
}

.config-card h2 {
    color: #2d3748;
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 6px;
}

/* .subtitle global: bloco «Design system» no início do ficheiro */
.config-card .subtitle {
    margin-bottom: 25px;
}

.config-options {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 25px;
}

.config-group {
    text-align: left;
}

.config-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #2d3748;
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 6px;
}

.label-icon {
    font-size: 18px;
}

.config-select {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-size: 14px;
    font-family: 'Poppins', sans-serif;
    color: #2d3748;
    background: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.config-select:hover {
    border-color: #4285f4;
}

.config-select:focus {
    outline: none;
    border-color: #4285f4;
    box-shadow: 0 0 0 3px rgba(66, 133, 244, 0.1);
}

.primary-btn {
    background: #4285f4;
    color: white;
    border: none;
    padding: 12px 36px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Poppins', sans-serif;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 15px rgba(66, 133, 244, 0.3);
}

.primary-btn:hover {
    background: #3367d6;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(66, 133, 244, 0.4);
}

.primary-btn:active {
    transform: translateY(0);
}

.primary-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-arrow {
    font-size: 20px;
    transition: transform 0.3s ease;
}

.primary-btn:hover .btn-arrow {
    transform: translateX(5px);
}

.info-box {
    margin-top: 20px;
    padding: 12px;
    background: #f0f4ff;
    border-radius: 12px;
    border-left: 4px solid #4285f4;
}

.info-box p {
    color: #4a5568;
    font-size: 13px;
    text-align: left;
    margin: 0;
}

/* ========================================
   TELA DE QUESTÕES
   ======================================== */
.questao-card {
    background: white;
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    max-width: 1000px;
    margin: 0 auto;
}

.questao-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-bottom: 20px;
    margin-bottom: 25px;
    border-bottom: 2px solid #e2e8f0;
}

.questao-numero-wrapper {
    display: flex;
    align-items: baseline;
    gap: 10px;
}

.questao-label {
    color: #718096;
    font-size: 14px;
    font-weight: 500;
}

.questao-numero-wrapper h3 {
    color: #4285f4;
    font-size: 32px;
    font-weight: 700;
    margin: 0;
}

.questao-total {
    color: #718096;
    font-size: 14px;
}

.progresso-wrapper {
    text-align: right;
}

.progresso-bar {
    width: 200px;
    height: 8px;
    background: #e2e8f0;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 8px;
}

.progresso-fill {
    height: 100%;
    background: linear-gradient(90deg, #4285f4 0%, #34a853 100%);
    border-radius: 10px;
    transition: width 0.4s ease;
    width: 0%;
}

.progresso-text {
    color: #718096;
    font-size: 13px;
    font-weight: 500;
}

.questao-conteudo {
    margin-bottom: 25px;
}

.questao-texto {
    color: #2d3748;
    font-size: 16px;
    line-height: 1.8;
    padding: 20px;
    background: #f7fafc;
    border-radius: 12px;
    border-left: 4px solid #4285f4;
    margin: 0;
}

.alternativas-box {
    margin-bottom: 25px;
}

.alternativa {
    background: #f8f9fa;
    padding: 14px 18px;
    border-radius: 12px;
    margin-bottom: 10px;
    display: flex;
    align-items: flex-start;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.alternativa:hover {
    background: #e8f0fe;
    border-color: #4285f4;
}

.alternativa input[type="radio"] {
    margin-right: 12px;
    margin-top: 3px;
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: #4285f4;
    flex-shrink: 0;
}

.alternativa input[type="radio"]:checked ~ label {
    color: #4285f4;
    font-weight: 600;
}

.alternativa label {
    flex: 1;
    cursor: pointer;
    font-size: 15px;
    color: #2d3748;
    line-height: 1.6;
    margin: 0;
}

.alternativa label strong {
    color: #4285f4;
    margin-right: 8px;
    font-size: 16px;
}

/* ========================================
   NAVEGAÇÃO
   ======================================== */
.nav-buttons {
    display: flex;
    gap: 15px;
    margin-top: 25px;
    justify-content: center;
    flex-wrap: wrap;
}

.secondary-btn {
    flex: 0 1 auto;
    min-width: 140px;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 600;
    border: 2px solid #e2e8f0;
    background: white;
    color: #2d3748;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Poppins', sans-serif;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
}

.secondary-btn:hover:not(:disabled) {
    border-color: #4285f4;
    color: #4285f4;
    background: #f0f4ff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(66, 133, 244, 0.2);
}

.secondary-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}

.success-btn {
    flex: 0 1 auto;
    min-width: 160px;
    background: #34a853;
    color: white;
    border: none;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Poppins', sans-serif;
    box-shadow: 0 4px 15px rgba(52, 168, 83, 0.3);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.success-btn:hover {
    background: #2d9048;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(52, 168, 83, 0.4);
}

/* ========================================
   RESULTADO
   ======================================== */
.resultado-card {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    max-width: 900px;
    margin: 0 auto;
}

.resultado-header {
    text-align: center;
    margin-bottom: 35px;
}

.resultado-icon {
    font-size: 64px;
    margin-bottom: 15px;
}

.resultado-header h2 {
    color: #2d3748;
    font-size: 28px;
    font-weight: 600;
    margin: 0;
}

.resultado-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 35px;
}

.stat-card {
    background: #f7fafc;
    padding: 20px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 16px;
    border-left: 4px solid;
}

.stat-card.stat-correct {
    border-left-color: #34a853;
}

.stat-card.stat-total {
    border-left-color: #4285f4;
}

.stat-card.stat-percent {
    border-left-color: #fbbc04;
}

.stat-icon {
    font-size: 32px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border-radius: 10px;
}

.stat-content {
    display: flex;
    flex-direction: column;
}

.stat-label {
    color: #718096;
    font-size: 13px;
    font-weight: 500;
}

.stat-value {
    color: #2d3748;
    font-size: 28px;
    font-weight: 700;
}

.mensagem-resultado {
    background: #f0f4ff;
    padding: 18px;
    border-radius: 12px;
    border-left: 4px solid #4285f4;
    margin-bottom: 35px;
    color: #2d3748;
    font-size: 15px;
    line-height: 1.6;
}

.gabarito-section h3 {
    color: #2d3748;
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 18px;
}

.lista-gabarito {
    list-style: none;
    margin-bottom: 35px;
    padding: 0;
}

.lista-gabarito li {
    padding: 14px 18px;
    margin-bottom: 10px;
    border-radius: 10px;
    border-left: 4px solid;
    font-size: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.lista-gabarito li.correto {
    background: #e6f4ea;
    border-left-color: #34a853;
    color: #1e7e34;
}

.lista-gabarito li.incorreto {
    background: #fce8e6;
    border-left-color: #ea4335;
    color: #c5221f;
}

.resposta-user {
    font-weight: 600;
}

.resposta-correta {
    font-weight: 600;
    color: #34a853;
}

.resultado-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.resultado-actions .primary-btn,
.resultado-actions .secondary-btn,
.resultado-actions .lumi-back-nav {
    flex: 0 0 auto;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.resultado-actions .lumi-btn-back {
    margin: 0;
}

/* ========================================
   RESPONSIVO
   ======================================== */
@media (max-width: 768px) {
    .simulador-header {
        padding: 12px 15px;
    }

    .simulador-header h1 {
        font-size: 18px;
    }

    .user-info span {
        display: none;
    }

    .simulador-container {
        padding: 20px;
        margin-top: 70px;
    }

    .config-card,
    .questao-card,
    .resultado-card {
        padding: 25px 20px;
    }

    .questao-header {
        flex-direction: column;
        gap: 15px;
    }

    .progresso-bar {
        width: 100%;
    }

    .nav-buttons {
        flex-direction: column;
    }

    .secondary-btn,
    .success-btn {
        width: 100%;
    }

    .resultado-stats {
        grid-template-columns: 1fr;
    }

    .resultado-actions {
        flex-direction: column;
    }

    .resultado-actions .primary-btn,
    .resultado-actions .secondary-btn,
    .resultado-actions .lumi-back-nav {
        width: 100%;
    }

    .resultado-actions .lumi-btn-back {
        width: 100%;
        justify-content: center;
    }

    #timer-box {
        font-size: 14px;
        padding: 6px 12px;
    }
}

/* =========================================
   CORREÇÃO CABEÇALHO SIMULADOR
   ========================================= */

/* Posiciona os elementos da direita de forma absoluta, igual ao index */
.header-right {
    position: absolute;
    right: 15px; /* Mesma margem lateral */
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    gap: 15px;
    z-index: 10;
}

/* Garante que o H1 fique centralizado e estiloso */
.simulador-header h1 {
    margin: 0;
    font-size: 1.5rem; /* Tamanho similar à logo visualmente */
    font-weight: 600;
    color: var(--lumi-blue-dark); /* Usa suas variáveis */
    text-align: center;
    
    /* Opcional: Se quiser o efeito gradiente no texto também */
    background: linear-gradient(135deg, var(--lumi-blue) 0%, var(--lumi-blue-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Ajuste para telas menores (Responsividade) */
@media (max-width: 768px) {
    .header-right span {
        display: none; /* Esconde o "Olá, Nome" em telas pequenas para não quebrar */
    }
    
    .simulador-header h1 {
        font-size: 1.2rem;
        max-width: 200px; /* Evita que o texto sobreponha os ícones */
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
}

/* =========================================
   AJUSTE IMAGEM SIDEBAR (LUMI)
   ========================================= */
.sidebar-avatar {
    border: none !important;        /* Remove a linha da borda */
    background: transparent !important; /* Remove o fundo (se tiver cor) */
    padding: 0 !important;          /* Remove o espaço entre a imagem e a borda */
    box-shadow: none !important;    /* Remove sombras se houver */
    
    /* SE VOCÊ QUISER ELA QUADRADA (Formato original), descomente a linha abaixo: */
    /* border-radius: 0 !important; */
}

/* =========================================
   AJUSTE POSIÇÃO CABEÇALHO SIDEBAR
   ========================================= */
.sidebar-header {
    /* Força o alinhamento para a esquerda (caso esteja centralizado) */
    justify-content: flex-start !important; 
    
    /* Controla a distância da borda esquerda */
    /* Diminua este número para ir mais para a esquerda */
    /* Aumente para empurrar para a direita */
    padding-left: 12px !important; 
    /* Espaço entre a imagem e o texto */
    gap: 8px !important;
}

/* =======================================================
   MODO ESCURO - SIMPLES E LIMPO (FINAL)
   ======================================================= */

/* 1. FUNDO GERAL (Preto Suave) */
body.dark-mode {
    background-image: none !important;
    background-color: #121212 !important;
    color: #e0e0e0 !important;
}

/* 2. CAIXAS E PAINÉIS (Cinza Escuro) */
/* Isso pega Sidebar, Header, Cards e a área do Chat */
body.dark-mode header,
body.dark-mode .sidebar,
body.dark-mode .simulador-header,
body.dark-mode .config-card,
body.dark-mode .questao-card,
body.dark-mode .resultado-card,
body.dark-mode .info-box,
body.dark-mode .chat-container,
body.dark-mode .chat-input-area,
body.dark-mode .gabarito-section {
    background-color: #1e1e1e !important;
    background: #1e1e1e !important;
    border-color: #333 !important;
    box-shadow: 0 4px 10px rgba(0,0,0,0.5) !important;
}



/* =======================================================
   EXCEÇÃO IMPORTANTE: CHAT DA LUMI (IA)
   Isso "cancela" a cor branca apenas dentro do balão dela
   ======================================================= */

body.dark-mode .message.bot .message-content p,
body.dark-mode .message.bot .message-content span,
body.dark-mode .message.bot .message-content li,
body.dark-mode .message.bot .message-content strong,
body.dark-mode .message.bot .message-content h1,
body.dark-mode .message.bot .message-content h2,
body.dark-mode .message.bot .message-content h3 {
    color: #000000 !important;       /* Força a cor PRETA */
    background-color: transparent !important;
}

/* 4. FORMULÁRIOS (Onde digita) */
body.dark-mode input, 
body.dark-mode select, 
body.dark-mode textarea {
    background-color: #2c2c2c !important;
    color: #ffffff !important;
    border: 1px solid #444 !important;
}

/* =======================================================
   CHAT CORRIGIDO: TEXTO PRETO NO FUNDO BRANCO
   ======================================================= */

/* 1. O CONTAINER (BALÃO) DA LUMI */
body.dark-mode .message.bot .message-content {
    background-color: #ffffff !important; /* Fundo Branco */
    color: #000000 !important;            /* Texto Preto */
    border: 1px solid #ccc !important;    /* Bordinha Cinza */
}

/* 2. A REGRA DE OURO (RESET UNIVERSAL) */
/* Isso seleciona TUDO dentro do balão (parágrafos, negritos, listas, títulos) */
/* e força a ser PRETO com fundo TRANSPARENTE */
body.dark-mode .message.bot .message-content * {
    color: #000000 !important;            /* OBRIGA ser preto */
    background-color: transparent !important; /* Remove fundos cinzas herdados */
    text-shadow: none !important;         /* Remove sombras estranhas */
    box-shadow: none !important;
}

/* 3. EXCEÇÃO: CÓDIGO DE PROGRAMAÇÃO */
/* Só o código pode ter fundo escuro para ficar bonito */
body.dark-mode .message.bot .message-content pre {
    background-color: #282c34 !important; /* Fundo cinza escuro do código */
    color: #abb2bf !important;            /* Texto claro do código */
    padding: 10px !important;
    border-radius: 5px !important;
    margin: 10px 0 !important;
}
/* O texto dentro do código deve ser claro */
body.dark-mode .message.bot .message-content pre * {
    color: #abb2bf !important; 
}

/* 4. BALÃO DO USUÁRIO (MANTÉM O AZUL) */
body.dark-mode .message.user .message-content {
    background-color: var(--lumi-blue-dark) !important;
    color: #ffffff !important;
}
/* Texto do usuário deve ser branco */
body.dark-mode .message.user .message-content * {
    color: #ffffff !important;
    background-color: transparent !important;
}

/* Garante texto branco SÓ onde o fundo é preto (Sidebar e Simulador) */
body.dark-mode .sidebar h1, body.dark-mode .sidebar h2, body.dark-mode .sidebar h3,
body.dark-mode .simulador-container h1, body.dark-mode .simulador-container h2, 
body.dark-mode .simulador-container h3, body.dark-mode .simulador-container p,
body.dark-mode .config-card label {
    color: #ffffff !important;
}

/* Correção para a página de Flashcards */
body.dark-mode #main-white-box {
    background-color: #1e1e1e !important; /* Força o cinza escuro */
    color: #e0e0e0 !important;
}

/* Garante que os inputs dentro dos flashcards fiquem escuros */
body.dark-mode .input-row {
    background-color: #1e1e1e !important;
    border: 1px solid #444 !important;
}

/* Modal de criar cards */
body.dark-mode .modal-content {
    background-color: #1e1e1e !important;
    color: #e0e0e0 !important;
}

/* =========================================
   CORREÇÃO MODO ESCURO: PÁGINA DE MÉTODO DE ESTUDO (QUIZ)
   ========================================= */

/* A caixa principal do Quiz */
body.dark-mode .quiz-container {
    background-color: #1e1e1e !important;
    color: #e0e0e0 !important;
    box-shadow: 0 4px 12px rgba(0,0,0,0.5) !important;
}

/* O título do Quiz */
body.dark-mode .quiz-container h1,
body.dark-mode #quiz-titulo {
    color: #ffffff !important;
}

/* O texto da pergunta */
body.dark-mode #quiz-area p#pergunta-texto {
    color: #ffffff !important;
}

/* As opções de resposta (botões de marcar) */
body.dark-mode .option-label {
    background-color: #2c2c2c !important; /* Fundo cinza escuro */
    color: #ffffff !important;
    border-color: #444 !important;
}

body.dark-mode .option-label:hover {
    background-color: #333 !important;
}

/* Opção selecionada no modo escuro */
body.dark-mode .option-label.selected {
    background-color: rgba(63, 169, 245, 0.2) !important; /* Azul transparente */
    border-color: var(--lumi-blue) !important;
    color: #ffffff !important;
}

/* Textos de descrição e resultado */
body.dark-mode #quiz-descricao,
body.dark-mode #resultado-descricao,
body.dark-mode #resultado-metodos li {
    color: #cccccc !important;
}

/* Gráfico (Fundo do container do gráfico) */
body.dark-mode #chart-container {
    background-color: transparent !important;
}

/* =========================================
   CORREÇÃO FINAL: TÍTULOS AZUIS (DEGRADÊ)
   ========================================= */

/* Aplica o azul nos títulos principais (H1, H2) e no título do Quiz */
body.dark-mode h1, 
body.dark-mode h2,
body.dark-mode #quiz-titulo,
body.dark-mode .quiz-container h1 {
    /* Recria o degradê azul original */
    background: linear-gradient(135deg, var(--lumi-blue), #004d7b) !important;
    
    /* Faz o fundo (degradê) aparecer apenas dentro das letras */
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
    
    /* Garante uma cor sólida caso o navegador não suporte o efeito acima */
    color: var(--lumi-blue) !important;
}

/* Ajuste opcional para subtítulos menores ficarem azul claro (sólido) */
body.dark-mode h3 {
    color: var(--lumi-blue) !important;
    background: none !important;
    -webkit-text-fill-color: var(--lumi-blue) !important;
}

/* =========================================
   CORREÇÃO MODO ESCURO: PÁGINA FAQ
   ========================================= */

/* 1. Título e Subtítulo da Página */
body.dark-mode .faq-container h1 {
    /* Mantém o degradê azul bonito */
    background: linear-gradient(135deg, var(--lumi-blue), #004d7b) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
}

body.dark-mode .faq-container p {
    color: #cccccc !important;
}

/* 2. Barra de Busca */
body.dark-mode #faq-search {
    background-color: #1e1e1e !important; /* Fundo escuro */
    color: #ffffff !important;           /* Texto branco */
    border: 1px solid #444 !important;   /* Borda sutil */
}
body.dark-mode #faq-search::placeholder {
    color: #888 !important; /* Cor do texto de ajuda "Buscar..." */
}

/* 3. A Caixa da Pergunta (O Item do Acordeão) */
body.dark-mode .faq-item {
    background-color: #1e1e1e !important;
    border: 1px solid #333 !important;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3) !important;
}

/* 4. O Texto da Pergunta */
body.dark-mode .faq-question {
    color: #ffffff !important;
}

body.dark-mode .faq-question span {
    color: #ffffff !important;
}

/* 5. O Ícone (+ / -) */
body.dark-mode .faq-icon {
    color: var(--lumi-blue) !important; /* Azul neon para destacar */
}

/* 6. A Resposta (Quando abre) */
body.dark-mode .faq-answer {
    background-color: #252525 !important; /* Um pouco mais claro para destacar a resposta */
    border-top: 1px solid #333 !important;
    color: #cccccc !important;
}

body.dark-mode .faq-answer p {
    color: #e0e0e0 !important;
}

/* 7. Botão Voltar */
body.dark-mode .back-btn-global {
    color: var(--lumi-blue) !important;
}

/* =========================================
   CORREÇÃO FINAL: PERFIL E FAQ (CAIXAS BRANCAS)
   ========================================= */

/* 1. CAIXA DO PERFIL (Onde tem o formulário) */
body.dark-mode .profile-container {
    background-color: #1e1e1e !important; /* Fundo Cinza Escuro */
    border: 1px solid #333 !important;
    box-shadow: 0 4px 20px rgba(0,0,0,0.5) !important;
    color: #e0e0e0 !important;
}

/* 2. CAIXA DO FAQ (Container Geral) */
/* Adicionando isso caso o fundo branco seja no container maior */
body.dark-mode .faq-container,
body.dark-mode .faq-page {
    background-color: transparent !important; /* Remove fundo branco se houver */
}

/* 3. TÍTULOS DO PERFIL */
body.dark-mode .profile-container h2 {
    /* Efeito Azul Lumi */
    background: linear-gradient(135deg, var(--lumi-blue), #004d7b) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
}

/* 4. FORMULÁRIOS DO PERFIL (Inputs) */
body.dark-mode .profile-container input,
body.dark-mode .profile-container select {
    background-color: #2c2c2c !important; /* Fundo escuro onde digita */
    color: #ffffff !important;
    border: 1px solid #444 !important;
}

/* 5. CAMPOS BLOQUEADOS (Cinza mais escuro para diferenciar) */
body.dark-mode .profile-container input[readonly] {
    background-color: #202020 !important; 
    color: #888 !important; /* Texto mais apagado */
    cursor: not-allowed !important;
}

/* 6. LINK DE VOLTAR */
body.dark-mode .back-link-profile-glued-final {
    color: var(--lumi-blue) !important;
}

/* 7. BOTÃO DE LOGOUT */
body.dark-mode .btn-logout-profile {
    background-color: #333 !important;
    color: #ff6b6b !important; /* Vermelho claro para destaque no escuro */
    border: 1px solid #555 !important;
}

/* =========================================
   CORREÇÃO MODO ESCURO: CALENDÁRIO ACADÊMICO
   ========================================= */

/* 1. VARIÁVEIS DO FULLCALENDAR (REDEFINIÇÃO) */
body.dark-mode {
    --fc-page-bg-color: #1e1e1e !important;
    --fc-neutral-bg-color: #2c2c2c !important;
    --fc-border-color: #444444 !important; /* Linhas da grade mais escuras */
    --fc-today-bg-color: rgba(63, 169, 245, 0.15) !important; /* Dia atual azul escuro */
    --fc-list-event-hover-bg-color: #333 !important;
    --fc-theme-standard-border-color: #444 !important;
}

/* 2. CONTAINERS PRINCIPAIS (Calendário e Agenda) */
body.dark-mode .calendar-container,
body.dark-mode .agenda-container {
    background-color: #1e1e1e !important; /* Cinza Escuro */
    color: #e0e0e0 !important;
    box-shadow: 0 4px 12px rgba(0,0,0,0.5) !important;
}

/* 3. TÍTULOS */
body.dark-mode .agenda-container h2,
body.dark-mode #event-list-title,
body.dark-mode .fc-toolbar-title {
    color: #ffffff !important;
}

/* 4. TEXTOS DENTRO DO CALENDÁRIO */
body.dark-mode .fc-col-header-cell-cushion, /* Dias da semana (seg, ter...) */
body.dark-mode .fc-daygrid-day-number {      /* Números dos dias (1, 2, 3...) */
    color: #e0e0e0 !important;
    text-decoration: none !important;
}

/* 5. BUSCA E BOTÕES DA AGENDA */
body.dark-mode #event-search {
    background-color: #2c2c2c !important;
    color: #ffffff !important;
    border: 1px solid #444 !important;
}

/* 6. LISTA DE EVENTOS (AGENDA LATERAL) */
body.dark-mode .agenda-item {
    background-color: #252525 !important;
    border: 1px solid #333 !important;
}
body.dark-mode .agenda-item:hover {
    border-color: var(--lumi-blue) !important;
    background-color: #2a2a2a !important;
}

/* Data do evento (Quadrado esquerdo) */
body.dark-mode .agenda-date {
    background-color: #333 !important;
    color: var(--lumi-blue) !important;
}

/* Título e Tipo do evento */
body.dark-mode .agenda-title { color: #ffffff !important; }
body.dark-mode .agenda-type { color: #aaaaaa !important; }

/* 7. MODAL (CRIAR/EDITAR EVENTO) */
body.dark-mode #event-modal {
    background-color: #1e1e1e !important;
    color: #e0e0e0 !important;
    box-shadow: 0 10px 40px rgba(0,0,0,0.8) !important;
}

body.dark-mode .modal-header {
    border-bottom: 1px solid #333 !important;
}
body.dark-mode .modal-header h2 {
    color: #ffffff !important;
}
body.dark-mode .close-btn {
    color: #fff !important;
}

/* Inputs do Modal */
body.dark-mode #event-form input,
body.dark-mode #event-form select,
body.dark-mode #event-form textarea {
    background-color: #2c2c2c !important;
    color: #ffffff !important;
    border: 1px solid #444 !important;
}

/* Rodapé do Modal */
body.dark-mode .modal-footer {
    background-color: #252525 !important;
    border-top: 1px solid #333 !important;
}

body.dark-mode .modal-cancel-btn {
    background-color: #333 !important;
    color: #ccc !important;
}

/* =========================================
   AJUSTE FINO: LOGO X CABEÇALHO
   ========================================= */

/* 1. Define o tamanho exato da barra do cabeçalho */
header {
    height: 80px !important;      /* Altura fixa da barra (pode testar 90px se quiser maior) */
    padding-top: 0 !important;    /* Remove espaço inútil em cima */
    padding-bottom: 0 !important; /* Remove espaço inútil embaixo */
    
    display: flex !important;
    align-items: center !important; /* Centraliza a logo verticalmente na marra */
}

/* 2. Define o tamanho da Logo para caber na barra */
.logo {
    /* A logo deve ser um pouco menor que o header para não encostar nas bordas */
    height: 70px !important;      /* 10px a menos que o header fica perfeito */
    width: auto !important;
    
    /* Reseta posições estranhas */
    position: static !important;
    transform: none !important;
    margin: 0 15px 0 0 !important; /* Margem apenas na direita para separar do texto */
    
    /* Garante nitidez */
    object-fit: contain !important;
}

/* =========================================
   ANIMAÇÃO DA LOGO (CRESCER AO PASSAR O MOUSE)
   ========================================= */

.logo {
    /* Garante que o movimento seja suave (dura 0.3 segundos) */
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) !important;
    
    /* Garante que a origem do zoom seja o centro */
    transform-origin: center center !important;
    
    /* Mantém ela visível e clicável */
    cursor: pointer !important;
}

/* Quando passar o mouse em cima */
.logo:hover {
    /* Aumenta 10% do tamanho (1.1) */
    /* Se quiser maior, mude para 1.2 ou 1.3 */
    transform: scale(1.1) !important; 
    
    /* Opcional: Adiciona um brilho suave */
    filter: drop-shadow(0 0 5px rgba(63, 169, 245, 0.5));
}

/* =========================================
   CORREÇÃO FINAL: MENU LATERAL (SIDEBAR)
   ========================================= */

/* 1. Fundo da Sidebar inteira */
body.dark-mode .sidebar {
    background-color: #1e1e1e !important;   /* Cinza Escuro */
    background: #1e1e1e !important;         /* Reforço */
    border-right: 1px solid #333 !important; /* Borda direita escura */
    box-shadow: 2px 0 10px rgba(0,0,0,0.5) !important;
}

/* 2. Cabeçalho da Sidebar (Onde fica a foto da Lumi) */
/* Este é o culpado! Ele costuma ter fundo branco próprio */
body.dark-mode .sidebar-header {
    background-color: #1e1e1e !important; 
    background: #1e1e1e !important;
    border-bottom: 1px solid #333 !important;
}

/* 3. Título "Menu Lumi" */
body.dark-mode .sidebar-header h3 {
    color: #ffffff !important;
}

/* 4. Links do Menu (Textos) */
body.dark-mode .sidebar ul li a,
body.dark-mode .sidebar a {
    color: #cccccc !important; /* Cinza claro para não cansar a vista */
}

/* 5. Efeito ao passar o mouse ou item Ativo */
body.dark-mode .sidebar ul li a:hover, 
body.dark-mode .sidebar ul li a.active,
body.dark-mode .sidebar a:hover,
body.dark-mode .sidebar a.active {
    background-color: #2c2c2c !important; /* Fundo do botão selecionado */
    color: var(--lumi-blue) !important;   /* Azul Lumi */
    border-left-color: var(--lumi-blue) !important; /* Se tiver borda lateral */
}

/* Item ativo do menu (sidebar-nav) — não perder destaque ao hover no modo escuro */
body.dark-mode .sidebar a.sidebar-nav-link.sidebar-nav-link--active,
body.dark-mode .sidebar a.sidebar-nav-link.sidebar-nav-link--active:hover {
    background: rgba(75, 139, 234, 0.18) !important;
    color: #90caf9 !important;
    border-left: 3px solid #64b5f6 !important;
}

/* 6. Botão de Fechar (se aparecer no mobile) */
body.dark-mode .sidebar .close-btn {
    color: #fff !important;
}


/* ===========================================================
   LUMI — Header: correção hambúrguer × botões coordenação + responsivo
   (sobrescreve regras conflitantes acima; manter no final do arquivo)
   =========================================================== */
:root {
    --lumi-header-hamburger-slot: 52px;
    --lumi-header-user-slot: 160px;
}

/* Texto curto só em telas estreitas (evita sobreposição com logo) */
.header-link-text-short {
    display: none;
}
@media (max-width: 520px) {
    .header-link-text-full {
        display: none !important;
    }
    .header-link-text-short {
        display: inline !important;
        font-weight: 600;
    }
}

/* Área fixa para o botão menu: não invade o atalho da coordenação */
.menu-toggle {
    position: absolute !important;
    left: 8px !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    width: var(--lumi-header-hamburger-slot) !important;
    min-width: 44px !important;
    height: 44px !important;
    min-height: 44px !important;
    padding: 0 !important;
    margin: 0 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    flex-direction: row !important;
    z-index: 1005 !important;
    box-sizing: border-box !important;
}

.menu-toggle:hover {
    transform: translateY(-50%) scale(1.05) !important;
}

.hamburger-icon {
    margin: 0 !important;
}

/* Botões coordenação: começam APÓS o slot do hambúrguer */
header .header-coord-left {
    left: calc(8px + var(--lumi-header-hamburger-slot) + 10px) !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    right: auto !important;
    max-width: min(42vw, 420px) !important;
    z-index: 997 !important;
    min-width: 0 !important;
}

@media (max-width: 900px) {
    header .header-coord-left {
        max-width: min(48vw, 340px) !important;
    }
}

@media (max-width: 640px) {
    :root {
        --lumi-header-user-slot: 120px;
    }
    header .header-coord-left {
        max-width: calc(100vw - 8px - var(--lumi-header-hamburger-slot) - 10px - var(--lumi-header-user-slot)) !important;
    }
    .header-link-coord-ia {
        margin-right: 4px !important;
        padding: 6px 8px !important;
        font-size: 0.8rem !important;
    }
    .header-coord-course-form select {
        max-width: 7.5rem !important;
        font-size: 0.75rem !important;
    }
}

/* Área do utilizador: não encostar no centro em ecrãs pequenos */
.user-area {
    max-width: var(--lumi-header-user-slot) !important;
    min-width: 0 !important;
}
@media (max-width: 480px) {
    .user-area .username {
        display: none !important;
    }
    :root {
        --lumi-header-user-slot: 56px;
    }
}

/* Header: altura mínima estável (evita saltos) */
header {
    min-height: 64px !important;
    height: auto !important;
    padding-left: 8px !important;
    padding-right: 8px !important;
    box-sizing: border-box !important;
}

.logo {
    max-width: min(52vw, 220px) !important;
    height: auto !important;
    max-height: 56px !important;
    object-fit: contain !important;
}

/* --- Responsividade global (sem alterar HTML) --- */
main {
    width: 100% !important;
    max-width: 1200px !important;
    box-sizing: border-box !important;
    padding-left: clamp(10px, 3vw, 24px) !important;
    padding-right: clamp(10px, 3vw, 24px) !important;
}

.main-content {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding-left: clamp(10px, 3vw, 20px) !important;
    padding-right: clamp(10px, 3vw, 20px) !important;
}

.profile-container {
    max-width: min(700px, 100%) !important;
    box-sizing: border-box !important;
    padding-left: clamp(16px, 4vw, 40px) !important;
    padding-right: clamp(16px, 4vw, 40px) !important;
}

/* Imagens responsivas (exceto logo do header e avatares já dimensionados) */
main img:not(.logo):not(.sidebar-avatar),
.main-content img:not(.logo),
.profile-container img:not(.profile-img) {
    max-width: 100%;
    height: auto;
}

/* Scroll horizontal em conteúdos largos (não altera display de tabelas) */
.profile-container,
.main-content {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* Chat e funções: flex min-width (evita overflow em mobile) */
.chat-container,
.funcoes {
    min-width: 0 !important;
}

@media (max-width: 992px) {
    main {
        flex-direction: column !important;
        align-items: stretch !important;
    }
}

@media (max-width: 768px) {
    .logo {
        max-height: 48px !important;
    }
    .sidebar {
        width: min(280px, 88vw) !important;
    }
}

@media (max-width: 480px) {
    .profile-container {
        margin: 20px auto !important;
        padding-top: 20px !important;
        padding-bottom: 24px !important;
    }
    .btn-submit-profile,
    button.primary-btn,
    button.secondary-btn {
        min-height: 44px;
    }
}

/* Modo foco: barra IA não sobrepõe hambúrguer */
.foco-ia-bar .header-coord-left {
    position: relative !important;
    left: auto !important;
    transform: none !important;
    max-width: 100% !important;
}

/* ========== Hub da coordenação (/coordenacao) — layout fluido ========== */
.coord-painel-body {
    min-height: 100vh;
}
.coord-painel-main {
    position: relative;
    padding-bottom: 4rem !important;
    overflow-x: hidden;
}
.coord-hub-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(75, 139, 234, 0.18), transparent 50%),
        radial-gradient(ellipse 60% 40% at 100% 30%, rgba(92, 107, 192, 0.12), transparent 45%),
        radial-gradient(ellipse 50% 35% at 0% 70%, rgba(0, 137, 123, 0.08), transparent 40%);
    z-index: 0;
}
.coord-hub-wrap {
    position: relative;
    z-index: 1;
    max-width: 880px !important;
    margin-left: auto !important;
    margin-right: auto !important;
    padding-left: clamp(12px, 3vw, 20px) !important;
    padding-right: clamp(12px, 3vw, 20px) !important;
}
.coord-hub-back {
    display: inline-block;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    color: #5c6bc0;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}
.coord-hub-back:hover {
    color: #3949ab;
    text-decoration: none;
}
.coord-hub-hero {
    margin-bottom: 2rem;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(75, 139, 234, 0.18);
    box-shadow: 0 8px 32px rgba(25, 55, 120, 0.06);
    overflow: visible;
}
/* Três linhas verticais: Lumi → título → texto (evita layout horizontal e corta acentos) */
.coord-hub-hero--stack {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.65rem;
    padding: 1.5rem 1.35rem 2rem;
    padding-top: 1.75rem;
    box-sizing: border-box;
}
.coord-hub-brand {
    margin: 0;
    padding: 0;
    font-size: clamp(1.25rem, 3.2vw, 1.65rem);
    font-weight: 700;
    letter-spacing: 0.06em;
    color: #3949ab;
    line-height: 1.25;
}
.coord-hub-title {
    margin: 0;
    padding: 0.2em 0.5rem 0;
    font-size: clamp(1.35rem, 3.8vw, 1.72rem);
    font-weight: 700;
    color: var(--lumi-text);
    line-height: 1.28;
    letter-spacing: -0.02em;
    max-width: 100%;
    overflow: visible;
}
.coord-hub-lead {
    margin: 0.35rem 0 0;
    padding: 0 0.25rem;
    font-size: clamp(0.86rem, 2.2vw, 0.98rem);
    line-height: 1.6;
    color: var(--lumi-text-secondary);
    max-width: 34rem;
    font-weight: 400;
}
.coord-hub-lead strong {
    color: var(--lumi-text);
    font-weight: 600;
}
.coord-hub-admin-strip {
    margin-bottom: 1.25rem;
    padding: 1rem 1.1rem;
    border-radius: var(--lumi-radius);
    background: linear-gradient(135deg, #eceff1 0%, #e8eaf6 100%);
    border: 1px solid var(--lumi-input-border);
}
.coord-hub-admin-strip .coord-hub-section-label {
    margin-top: 0;
}
.coord-hub-admin-strip__lead {
    font-size: var(--lumi-font-sm);
    color: var(--lumi-text-secondary);
    margin: 0 0 10px;
    line-height: 1.5;
}
.coord-hub-admin-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}
.coord-hub-admin-actions .btn-submit-profile {
    display: inline-block;
    text-decoration: none;
    padding: 10px 16px;
    margin: 0;
}
.coord-hub-admin-actions a:first-of-type {
    background: #5c6bc0;
}
.coord-hub-admin-actions a:last-of-type {
    background: #37474f;
}

body.dark-mode .coord-hub-admin-strip {
    background: linear-gradient(135deg, #2d3548 0%, #263238 100%);
    border-color: #455a64;
}
body.dark-mode .coord-hub-admin-strip__lead {
    color: #b0bec5;
}

.coord-hub-course-block {
    margin-bottom: 2rem;
}
.coord-hub-section-label {
    margin: 0 0 1rem;
    font-size: var(--lumi-font-xs);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 600;
    color: var(--lumi-text-muted);
    text-align: center;
}
.coord-hub-flash {
    margin-bottom: 1.5rem;
}
.coord-hub-grid {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem 1.1rem;
}
@media (max-width: 640px) {
    .coord-hub-grid {
        grid-template-columns: 1fr;
    }
}
.coord-hub-grid li {
    margin: 0;
}
.coord-hub-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    height: 100%;
    min-height: 176px;
    padding: 1.35rem 1.35rem 1.15rem;
    border-radius: 18px;
    text-decoration: none;
    color: #fff !important;
    box-shadow:
        0 4px 6px rgba(0, 0, 0, 0.04),
        0 12px 24px rgba(0, 0, 0, 0.1);
    transition: transform 0.22s cubic-bezier(0.34, 1.2, 0.64, 1), box-shadow 0.22s ease;
    box-sizing: border-box;
    border: 1px solid rgba(255, 255, 255, 0.22);
    position: relative;
    overflow: hidden;
}
.coord-hub-card::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.18) 0%, transparent 70%);
    pointer-events: none;
}
.coord-hub-card:hover {
    transform: translateY(-4px) scale(1.01);
    box-shadow:
        0 8px 16px rgba(0, 0, 0, 0.08),
        0 20px 40px rgba(0, 0, 0, 0.12);
    color: #fff !important;
}
.coord-hub-card-icon {
    font-size: 1.85rem;
    line-height: 1;
    margin-bottom: 0.55rem;
    opacity: 0.98;
}
.coord-hub-card-label {
    font-size: 1.08rem;
    font-weight: 700;
    margin-bottom: 0.45rem;
    letter-spacing: 0.01em;
}
.coord-hub-card-desc {
    font-size: 0.87rem;
    line-height: 1.5;
    opacity: 0.93;
    flex: 1;
}
.coord-hub-card-cta {
    margin-top: auto;
    padding-top: 1rem;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    opacity: 0.95;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}
.coord-hub-card-arrow {
    display: inline-block;
    transition: transform 0.2s ease;
}
.coord-hub-card:hover .coord-hub-card-arrow {
    transform: translateX(4px);
}
.coord-hub-card--primary {
    background: linear-gradient(155deg, #42a5f5 0%, #1e56c9 100%);
}
.coord-hub-card--accent {
    background: linear-gradient(155deg, #7e57c2 0%, #3949ab 100%);
}
.coord-hub-card--teal {
    background: linear-gradient(155deg, #26a69a 0%, #00695c 100%);
}
.coord-hub-card--earth {
    background: linear-gradient(155deg, #8d6e63 0%, #4e342e 100%);
}
.coord-hub-card--slate {
    background: linear-gradient(155deg, #546e7a 0%, #37474f 100%);
}
.coord-hub-card--indigo {
    background: linear-gradient(155deg, #5c6bc0 0%, #303f9f 100%);
}
.coord-hub-card--amber {
    background: linear-gradient(155deg, #ffb300 0%, #e65100 100%);
}
.coord-hub-card--rose {
    background: linear-gradient(155deg, #ec407a 0%, #ad1457 100%);
}
.coord-hub-section-label--spaced {
    margin-top: 2.25rem;
}
.coord-hub-grid--dense .coord-hub-card {
    min-height: 168px;
}

/* ========== Hub de administração (/admin) — mesmo idioma visual da coordenação ========== */
.admin-painel-body {
    min-height: 100vh;
}
.admin-hub-main {
    position: relative;
    padding-bottom: 4rem !important;
    overflow-x: hidden;
}
.admin-hub-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(ellipse 82% 52% at 50% -20%, rgba(106, 27, 154, 0.15), transparent 52%),
        radial-gradient(ellipse 58% 44% at 100% 28%, rgba(92, 107, 192, 0.14), transparent 48%),
        radial-gradient(ellipse 50% 36% at 0% 70%, rgba(75, 139, 234, 0.1), transparent 44%);
    z-index: 0;
}
.admin-hub-main .coord-hub-wrap {
    position: relative;
    z-index: 1;
}
.admin-hub-grid-autofit {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)) !important;
}
@media (max-width: 520px) {
    .admin-hub-grid-autofit {
        grid-template-columns: 1fr !important;
    }
}
.admin-hub-subhint {
    text-align: center;
    font-size: 0.9rem;
    color: #546e7a;
    max-width: 38rem;
    margin: -0.5rem auto 1rem;
    line-height: 1.55;
    padding: 0 0.5rem;
    box-sizing: border-box;
}
body.dark-mode .admin-hub-bg {
    opacity: 0.48;
}
body.dark-mode .admin-hub-subhint {
    color: #90a4ae;
}
body.dark-mode .admin-hub-subhint strong {
    color: #cfd8dc;
}

/* Formulários de cadastro no hub /admin */
.admin-cadastro-forms-wrap {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin: 0 0 2rem;
    width: 100%;
}

.admin-cadastro-form-section.admin-page-shell {
    margin-left: 0;
    margin-right: 0;
    max-width: 100%;
}

.admin-cadastro-form-title {
    margin: 0 0 0.5rem;
    font-size: 1.2rem;
    font-weight: 700;
    color: #1a237e;
}

body.dark-mode .admin-cadastro-form-title {
    color: #e8eaf6;
}

.admin-cadastro-form-lead {
    margin: 0 0 1rem;
    font-size: 0.92rem;
    line-height: 1.5;
    color: #455a64;
}

body.dark-mode .admin-cadastro-form-lead {
    color: #b0bec5;
}

.admin-cadastro-hint {
    font-size: 0.88rem;
    color: #546e7a;
    margin: 0 0 8px;
    line-height: 1.45;
}

body.dark-mode .admin-cadastro-hint {
    color: #90a4ae;
}

.admin-cadastro-warn {
    max-width: 36rem;
}

.admin-cadastro-checkboxes {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.admin-cadastro-check-label {
    font-weight: 400;
    cursor: pointer;
}

/* Barra de curso — páginas internas (compacta) */
.coord-course-bar--default {
    margin: 0 0 1rem;
    padding: 12px 14px;
    background: var(--card-bg, #f5f7fb);
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.07);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 12px;
}
.coord-course-bar__title-inline {
    font-size: 0.9rem;
    font-weight: 600;
}
.coord-course-bar__form {
    display: inline-flex;
    margin: 0;
}
.coord-course-select {
    padding: 8px 12px;
    border-radius: 10px;
    border: 1px solid #cfd8dc;
    font-family: inherit;
    font-size: 0.92rem;
    max-width: min(100%, 22rem);
    background: #fff;
    cursor: pointer;
}
.coord-course-single-name {
    font-size: 0.95rem;
    font-weight: 500;
    color: #37474f;
}

/* Barra de curso — variante hub (cartão) */
.coord-course-bar--hub {
    margin: 0;
    padding: 0;
    border: none;
    background: transparent;
}
.coord-course-bar--hub .coord-course-bar__inner {
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    gap: 1rem 1.25rem;
    padding: 1.35rem 1.5rem;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(75, 139, 234, 0.2);
    box-shadow: 0 10px 40px rgba(25, 55, 120, 0.08);
}
.coord-course-bar__icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    border-radius: 14px;
    background: linear-gradient(145deg, rgba(75, 139, 234, 0.15), rgba(92, 107, 192, 0.12));
}
.coord-course-bar__text {
    flex: 1;
    min-width: 200px;
    text-align: left;
}
.coord-course-bar__label {
    display: block;
    font-size: 1.05rem;
    font-weight: 700;
    color: #1a237e;
    margin-bottom: 0.25rem;
    letter-spacing: -0.01em;
}
.coord-course-bar__hint {
    display: block;
    font-size: 0.82rem;
    line-height: 1.45;
    color: #607d8b;
}
.coord-course-bar__control {
    flex: 1 1 220px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    min-width: 0;
}
.coord-course-bar--hub .coord-course-select {
    width: 100%;
    max-width: 320px;
    padding: 12px 40px 12px 16px;
    font-size: 1rem;
    font-weight: 500;
    border: 2px solid rgba(75, 139, 234, 0.35);
    border-radius: 14px;
    background-color: #fff;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%235c6bc0' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.coord-course-bar--hub .coord-course-select:hover,
.coord-course-bar--hub .coord-course-select:focus {
    outline: none;
    border-color: #4B8BEA;
    box-shadow: 0 0 0 3px rgba(75, 139, 234, 0.2);
}
.coord-course-bar--hub .coord-course-single-name {
    display: inline-block;
    padding: 12px 18px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(75, 139, 234, 0.12), rgba(92, 107, 192, 0.1));
    border: 2px solid rgba(75, 139, 234, 0.25);
    color: #1a237e;
}
@media (max-width: 720px) {
    .coord-course-bar--hub .coord-course-bar__inner {
        flex-direction: column;
        align-items: stretch;
    }
    .coord-course-bar__control {
        justify-content: stretch;
    }
    .coord-course-bar--hub .coord-course-select {
        max-width: none;
    }
}

@media (max-width: 480px) {
    .coord-hub-hero--stack {
        padding: 1.35rem 1rem 1.65rem;
        padding-top: 1.5rem;
        gap: 0.55rem;
    }
}
body.dark-mode .coord-hub-bg {
    opacity: 0.45;
}
body.dark-mode .coord-hub-hero {
    background: rgba(30, 35, 48, 0.75);
    border-color: rgba(120, 160, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
}
body.dark-mode .coord-hub-title {
    color: #e8eaf6;
}
body.dark-mode .coord-hub-lead {
    color: #b0bec5;
}
body.dark-mode .coord-hub-lead strong {
    color: #cfd8dc;
}
body.dark-mode .coord-hub-brand {
    color: #9fa8da;
}
body.dark-mode .coord-hub-back {
    color: #9fa8da;
}
body.dark-mode .coord-hub-section-label {
    color: #90a4ae;
}
body.dark-mode .coord-course-bar--hub .coord-course-bar__inner {
    background: rgba(35, 40, 55, 0.92);
    border-color: rgba(120, 160, 255, 0.22);
}
body.dark-mode .coord-course-bar__label {
    color: #e8eaf6;
}
body.dark-mode .coord-course-bar__hint {
    color: #90a4ae;
}
body.dark-mode .coord-course-bar--hub .coord-course-select {
    background-color: #1e2430;
    border-color: rgba(120, 160, 255, 0.35);
    color: #eceff1;
}
body.dark-mode .coord-course-bar--hub .coord-course-single-name {
    background: rgba(75, 139, 234, 0.15);
    border-color: rgba(120, 160, 255, 0.3);
    color: #e8eaf6;
}
body.dark-mode .coord-course-bar--default {
    background: rgba(40, 45, 58, 0.6);
    border-color: rgba(255, 255, 255, 0.08);
}
body.dark-mode .coord-course-select {
    background: #1e2430;
    border-color: #546e7a;
    color: #eceff1;
}
body.dark-mode .sidebar-nav-section-title {
    color: #78909c !important;
}

/* ========== Administração — layout amplo (evita texto/tabelas cortados) ========== */
.admin-page-shell {
    width: 100%;
    max-width: min(1100px, 100%);
    margin: 32px auto 48px;
    padding: clamp(20px, 3vw, 36px) clamp(16px, 4vw, 40px);
    box-sizing: border-box;
    background-color: #ffffff;
    border-radius: 14px;
    box-shadow: 0 6px 24px rgba(0, 77, 123, 0.09);
    border: 1px solid var(--lumi-blue-transparent-20, rgba(75, 139, 234, 0.2));
}

.admin-cadastro-standalone.admin-page-shell {
    max-width: min(720px, 100%);
    margin-top: 28px;
}

.admin-page-shell h2 {
    margin-top: 0;
    line-height: 1.25;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--lumi-text);
    letter-spacing: -0.02em;
}

.admin-page-shell .subtitle {
    max-width: none !important;
    line-height: 1.5;
    color: var(--lumi-text-secondary);
    font-size: var(--lumi-font-sm);
}

body.dark-mode .admin-page-shell {
    background: rgba(28, 32, 42, 0.96);
    border-color: rgba(120, 160, 255, 0.22);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

body.dark-mode .admin-page-shell .subtitle {
    color: #b0bec5;
}

/* Lista de utilizadores — cartões (sem colunas cortadas) */
.admin-user-cards {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin: 1.25rem 0;
}

.admin-user-card {
    border: 1px solid #e0e7ee;
    border-radius: 12px;
    padding: 16px 18px;
    background: linear-gradient(180deg, #fafcfe 0%, #fff 100%);
    box-sizing: border-box;
}

body.dark-mode .admin-user-card {
    background: rgba(35, 40, 52, 0.85);
    border-color: rgba(120, 160, 255, 0.18);
}

.admin-user-card__head {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}

.admin-user-card__name {
    font-weight: 600;
    font-size: 1.05rem;
    color: #1a237e;
    line-height: 1.35;
    word-break: break-word;
    overflow-wrap: anywhere;
    flex: 1 1 12rem;
    min-width: 0;
}

body.dark-mode .admin-user-card__name {
    color: #e8eaf6;
}

.admin-user-card__btn {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 18px;
    border-radius: 10px;
    background: #5c6bc0;
    color: #fff !important;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    border: none;
    cursor: pointer;
    transition: filter 0.15s ease;
}

.admin-user-card__btn:hover {
    filter: brightness(1.08);
}

.admin-user-card__grid {
    display: grid;
    grid-template-columns: minmax(100px, 130px) 1fr;
    gap: 8px 16px;
    font-size: 0.93rem;
    align-items: start;
}

@media (max-width: 520px) {
    .admin-user-card__grid {
        display: block;
    }
    .admin-user-card__grid dt {
        margin: 12px 0 2px;
    }
    .admin-user-card__grid dt:first-of-type {
        margin-top: 0;
    }
    .admin-user-card__grid dd {
        margin-left: 0;
    }
}

.admin-user-card__grid dt {
    margin: 0;
    font-weight: 600;
    color: #546e7a;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

body.dark-mode .admin-user-card__grid dt {
    color: #90a4ae;
}

.admin-user-card__grid dd {
    margin: 0;
    color: #263238;
    word-break: break-word;
    overflow-wrap: anywhere;
    line-height: 1.45;
}

body.dark-mode .admin-user-card__grid dd {
    color: #eceff1;
}

.admin-role-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
}

.admin-role-badge.role-student { background: #e3f2fd; color: #1565c0; }
.admin-role-badge.role-coordinator { background: #e8eaf6; color: #3949ab; }
.admin-role-badge.role-admin { background: #eceff1; color: #37474f; }
.admin-role-badge.role-teacher { background: #e0f2f1; color: #00695c; }

body.dark-mode .admin-role-badge.role-student { background: rgba(33, 150, 243, 0.2); color: #90caf9; }
body.dark-mode .admin-role-badge.role-coordinator { background: rgba(92, 107, 192, 0.25); color: #c5cae9; }
body.dark-mode .admin-role-badge.role-admin { background: rgba(120, 144, 156, 0.25); color: #cfd8dc; }
body.dark-mode .admin-role-badge.role-teacher { background: rgba(0, 137, 123, 0.22); color: #80cbc4; }

.admin-user-card__courses {
    font-size: 0.92rem;
    line-height: 1.45;
}

.admin-user-card__courses--warn {
    color: #c62828;
    font-weight: 500;
}

body.dark-mode .admin-user-card__courses--warn {
    color: #ef9a9a;
}

.admin-page-footer-note {
    font-size: 0.9rem;
    color: #607d8b;
    margin-top: 1rem;
}

body.dark-mode .admin-page-footer-note {
    color: #90a4ae;
}

/* Editar utilizador — zona de exclusão */
.admin-user-danger-zone {
    margin-top: 2rem;
    padding: 1.25rem 1.35rem;
    border-radius: 12px;
    border: 1px solid #ffcdd2;
    background: linear-gradient(180deg, #fff8f8 0%, #fff 100%);
    box-sizing: border-box;
}

body.dark-mode .admin-user-danger-zone {
    border-color: rgba(239, 83, 80, 0.45);
    background: rgba(60, 30, 30, 0.35);
}

.admin-user-danger-zone__title {
    margin: 0 0 0.35rem;
    font-weight: 700;
    font-size: 0.95rem;
    color: #b71c1c;
}

body.dark-mode .admin-user-danger-zone__title {
    color: #ef9a9a;
}

.admin-user-danger-zone__text {
    margin: 0 0 1rem;
    font-size: 0.88rem;
    line-height: 1.45;
    color: #546e7a;
}

body.dark-mode .admin-user-danger-zone__text {
    color: #b0bec5;
}

.admin-user-delete-btn {
    padding: 10px 18px;
    border-radius: 10px;
    border: none;
    background: linear-gradient(155deg, #e53935 0%, #b71c1c 100%);
    color: #fff !important;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    font-family: inherit;
}

.admin-user-delete-btn:hover {
    filter: brightness(1.06);
}

/* Lista de utilizadores — busca, tabela compacta, paginação */
.admin-users-page .admin-page-shell {
    max-width: min(1200px, 100%);
}

.admin-users-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    gap: 12px;
    margin: 1.25rem 0 0.75rem;
}

.admin-users-search-wrap {
    flex: 1 1 280px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 12px;
    border: 1px solid #cfd8dc;
    background: #fafcfe;
    box-sizing: border-box;
}

body.dark-mode .admin-users-search-wrap {
    border-color: rgba(120, 160, 255, 0.28);
    background: rgba(30, 35, 48, 0.55);
}

.admin-users-search-icon {
    font-size: 1rem;
    opacity: 0.85;
    flex-shrink: 0;
}

.admin-users-search-input {
    flex: 1;
    min-width: 0;
    border: none;
    background: transparent;
    font-family: inherit;
    font-size: 0.95rem;
    color: inherit;
    outline: none;
}

.admin-users-toolbar-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.admin-users-btn-primary {
    padding: 10px 20px;
    border-radius: 10px;
    border: none;
    background: linear-gradient(155deg, #5c6bc0 0%, #3949ab 100%);
    color: #fff !important;
    font-weight: 600;
    font-size: 0.92rem;
    cursor: pointer;
    font-family: inherit;
    transition: filter 0.15s ease;
}

.admin-users-btn-primary:hover {
    filter: brightness(1.08);
}

.admin-users-btn-ghost {
    padding: 10px 16px;
    border-radius: 10px;
    border: 1px solid #b0bec5;
    background: transparent;
    color: #37474f !important;
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    font-family: inherit;
    display: inline-flex;
    align-items: center;
}

.admin-users-btn-ghost:hover {
    background: rgba(0, 0, 0, 0.04);
}

body.dark-mode .admin-users-btn-ghost {
    border-color: rgba(180, 200, 255, 0.35);
    color: #e0e7ff !important;
}

.admin-users-range {
    font-size: 0.9rem;
    color: #546e7a;
    margin: 0 0 1rem;
    line-height: 1.45;
}

body.dark-mode .admin-users-range {
    color: #90a4ae;
}

.admin-users-range-query {
    color: #78909c;
    font-weight: 500;
}

body.dark-mode .admin-users-range-query {
    color: #b0bec5;
}

.admin-users-table-scroll {
    width: 100%;
    overflow-x: auto;
    margin: 0 0 1.25rem;
    border-radius: 12px;
    border: 1px solid #e0e7ee;
    -webkit-overflow-scrolling: touch;
}

body.dark-mode .admin-users-table-scroll {
    border-color: rgba(120, 160, 255, 0.2);
}

.admin-users-table {
    width: 100%;
    min-width: 720px;
    border-collapse: collapse;
    font-size: 0.86rem;
    background: #fff;
}

body.dark-mode .admin-users-table {
    background: rgba(22, 26, 36, 0.5);
}

.admin-users-table thead {
    background: linear-gradient(180deg, #eceff1 0%, #e3e8ec 100%);
}

body.dark-mode .admin-users-table thead {
    background: rgba(40, 48, 64, 0.95);
}

.admin-users-table th {
    text-align: left;
    padding: 10px 12px;
    font-weight: 700;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #455a64;
    border-bottom: 1px solid #cfd8dc;
    white-space: nowrap;
}

body.dark-mode .admin-users-table th {
    color: #b0bec5;
    border-bottom-color: rgba(120, 160, 255, 0.22);
}

.admin-users-table td {
    padding: 8px 12px;
    border-bottom: 1px solid #eceff1;
    vertical-align: middle;
    color: #263238;
    max-width: 220px;
}

body.dark-mode .admin-users-table td {
    border-bottom-color: rgba(80, 100, 140, 0.25);
    color: #eceff1;
}

.admin-users-table tbody tr:nth-child(even) td {
    background: rgba(250, 252, 254, 0.85);
}

body.dark-mode .admin-users-table tbody tr:nth-child(even) td {
    background: rgba(32, 38, 52, 0.45);
}

.admin-users-table tbody tr:hover td {
    background: rgba(92, 107, 192, 0.08);
}

body.dark-mode .admin-users-table tbody tr:hover td {
    background: rgba(92, 107, 192, 0.18);
}

.admin-users-td-name {
    font-weight: 600;
    color: #1a237e;
}

body.dark-mode .admin-users-td-name {
    color: #e8eaf6;
}

.admin-users-td-email,
.admin-users-td-course {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.admin-users-td-cpf {
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}

.admin-users-mono {
    font-family: ui-monospace, "Cascadia Code", "SF Mono", Menlo, monospace;
    font-size: 0.84em;
    background: rgba(0, 0, 0, 0.05);
    padding: 2px 6px;
    border-radius: 6px;
}

body.dark-mode .admin-users-mono {
    background: rgba(255, 255, 255, 0.08);
}

.admin-users-col-actions {
    width: 1%;
    white-space: nowrap;
    text-align: right;
}

.admin-users-table-edit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 14px;
    border-radius: 8px;
    background: #5c6bc0;
    color: #fff !important;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.82rem;
    transition: filter 0.15s ease;
}

.admin-users-table-edit:hover {
    filter: brightness(1.08);
}

.admin-pagination {
    margin: 1.5rem 0 0.5rem;
    padding-top: 1rem;
    border-top: 1px solid #e0e7ee;
}

body.dark-mode .admin-pagination {
    border-top-color: rgba(120, 160, 255, 0.2);
}

.admin-pagination__inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 8px 10px;
}

.admin-pagination__pages {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.admin-pagination__link {
    padding: 8px 12px;
    border-radius: 8px;
    background: #eceff1;
    color: #37474f !important;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85rem;
    white-space: nowrap;
}

.admin-pagination__link:hover {
    background: #dfe4e8;
}

body.dark-mode .admin-pagination__link {
    background: rgba(60, 72, 96, 0.85);
    color: #e0e7ff !important;
}

body.dark-mode .admin-pagination__link:hover {
    background: rgba(80, 96, 128, 0.95);
}

.admin-pagination__disabled {
    padding: 8px 12px;
    border-radius: 8px;
    color: #90a4ae;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0.65;
}

body.dark-mode .admin-pagination__disabled {
    color: #78909c;
}

.admin-pagination__num {
    min-width: 2.25rem;
    height: 2.25rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 6px;
    border-radius: 8px;
    background: #fff;
    border: 1px solid #cfd8dc;
    color: #3949ab !important;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.88rem;
}

.admin-pagination__num:hover {
    background: #e8eaf6;
    border-color: #9fa8da;
}

body.dark-mode .admin-pagination__num {
    background: rgba(35, 40, 52, 0.9);
    border-color: rgba(120, 160, 255, 0.35);
    color: #c5cae9 !important;
}

.admin-pagination__num--current {
    background: linear-gradient(155deg, #5c6bc0 0%, #3949ab 100%);
    border-color: transparent;
    color: #fff !important;
    cursor: default;
}

.admin-pagination__ellipsis {
    padding: 0 4px;
    color: #90a4ae;
    font-weight: 700;
    user-select: none;
}

.admin-pagination__meta {
    text-align: center;
    font-size: 0.88rem;
    color: #607d8b;
    margin: 0.75rem 0 0;
}

body.dark-mode .admin-pagination__meta {
    color: #90a4ae;
}

@media (max-width: 640px) {
    .admin-pagination__edge {
        flex-basis: 100%;
        text-align: center;
        justify-content: center;
    }
}

/* Formulário editar utilizador — grelha e secções */
.admin-form-pro {
    max-width: 100%;
}

.admin-form-pro fieldset {
    border: 1px solid #e0e7ee;
    border-radius: 12px;
    padding: 18px 20px 20px;
    margin: 0 0 1.25rem;
    background: #fafcfe;
}

body.dark-mode .admin-form-pro fieldset {
    border-color: rgba(120, 160, 255, 0.2);
    background: rgba(30, 35, 48, 0.5);
}

.admin-form-pro legend {
    font-weight: 600;
    padding: 0 8px;
    color: #37474f;
}

body.dark-mode .admin-form-pro legend {
    color: #cfd8dc;
}

.admin-form-pro .form-group {
    margin-bottom: 1rem;
}

.admin-form-pro label {
    display: block;
    margin-bottom: 0.35rem;
    font-weight: 500;
    color: #455a64;
}

body.dark-mode .admin-form-pro label {
    color: #b0bec5;
}

.admin-form-pro input[type="text"],
.admin-form-pro input[type="email"],
.admin-form-pro input[type="password"],
.admin-form-pro select {
    width: 100%;
    max-width: 100%;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid #cfd8dc;
    box-sizing: border-box;
    font-size: 1rem;
}

body.dark-mode .admin-form-pro input,
body.dark-mode .admin-form-pro select {
    background: #1e2430;
    border-color: #546e7a;
    color: #eceff1;
}

.admin-form-pro .form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 640px) {
    .admin-form-pro .form-row-2 {
        grid-template-columns: 1fr;
    }
}

.admin-form-pro .role-block-pro {
    margin-top: 0.5rem;
    padding: 14px 16px;
    border-radius: 10px;
    background: #fff;
    border: 1px dashed #b0bec5;
}

body.dark-mode .admin-form-pro .role-block-pro {
    background: rgba(25, 28, 38, 0.6);
    border-color: rgba(120, 160, 255, 0.25);
}

.admin-form-pro .hint {
    font-size: 0.86rem;
    color: #546e7a;
    margin: 0 0 8px;
    line-height: 1.45;
}

body.dark-mode .admin-form-pro .hint {
    color: #90a4ae;
}

.admin-form-pro .coord-check-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.admin-form-pro .coord-check-list label {
    font-weight: 400;
    display: flex;
    align-items: flex-start;
    gap: 8px;
    line-height: 1.4;
}

.admin-form-pro .coord-check-list input {
    margin-top: 4px;
    flex-shrink: 0;
}

.admin-painel-hero-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 16px;
    margin: 0 0 1.25rem;
    padding: 14px 16px;
    border-radius: 12px;
    background: linear-gradient(135deg, #f3e5f5 0%, #e8eaf6 100%);
    border: 1px solid #e1bee7;
}

body.dark-mode .admin-painel-hero-actions {
    background: rgba(74, 20, 140, 0.2);
    border-color: rgba(186, 104, 200, 0.35);
}

.admin-painel-hero-actions .admin-painel-hero-text {
    flex: 1 1 200px;
    min-width: 0;
    font-size: 0.92rem;
    color: #4a148c;
    line-height: 1.45;
}

body.dark-mode .admin-painel-hero-actions .admin-painel-hero-text {
    color: #e1bee7;
}

body.dark-mode .admin-page-shell .back-link-profile-glued-final {
    color: #9fa8da;
}

body.dark-mode .admin-page-shell .flash-messages-profile .flash {
    word-break: break-word;
    overflow-wrap: anywhere;
}

/* --- Páginas de autenticação (login/registo) alinhadas ao visual admin --- */
body.lumi-auth-shell {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding: 24px 16px;
    background: linear-gradient(135deg, #f7f9fc 0%, var(--lumi-blue-body-bg) 100%);
}

.lumi-auth-card {
    width: 100%;
    max-width: 440px;
    margin: 0 auto;
    padding: 2rem 2.25rem;
    text-align: center;
    background: rgba(255, 255, 255, 0.98);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(63, 169, 245, 0.12), 0 2px 8px rgba(0, 0, 0, 0.04);
    border: 1px solid var(--lumi-blue-transparent-20);
}

.lumi-auth-card--wide {
    max-width: 520px;
}

.lumi-auth-card img {
    height: 50px;
    margin-bottom: 12px;
}

.lumi-auth-card h1 {
    color: var(--lumi-text);
    margin: 0 0 8px;
    font-weight: 700;
    font-size: 1.4rem;
}

.lumi-auth-card .lumi-auth-lead {
    font-size: var(--lumi-font-sm);
    color: var(--lumi-text-secondary);
    text-align: left;
    line-height: 1.45;
    margin: 0 0 20px;
}

.lumi-auth-form {
    text-align: left;
}

.lumi-auth-form label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    font-size: var(--lumi-font-sm);
    color: var(--lumi-text-secondary);
}

.lumi-auth-form input[type="text"],
.lumi-auth-form input[type="email"],
.lumi-auth-form input[type="password"],
.lumi-auth-form select {
    width: 100%;
    padding: 0.65rem 0.85rem;
    min-height: 2.75rem;
    margin-bottom: 6px;
    border: 1px solid var(--lumi-input-border);
    border-radius: var(--lumi-radius-sm);
    font-size: var(--lumi-font-base);
    color: var(--lumi-text);
    font-family: 'Poppins', sans-serif;
    box-sizing: border-box;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.lumi-auth-form input:focus,
.lumi-auth-form select:focus {
    outline: none;
    border-color: var(--lumi-blue);
    box-shadow: 0 0 0 3px var(--lumi-blue-transparent-20);
}

.lumi-auth-form .field-hint {
    display: block;
    font-size: var(--lumi-font-xs);
    color: var(--lumi-text-muted);
    line-height: 1.35;
    margin: -4px 0 14px;
}

.lumi-auth-form .lumi-auth-actions {
    margin-top: 14px;
}

.lumi-auth-form button[type="submit"],
.lumi-auth-card .btn-auth-primary {
    width: 100%;
    padding: 0.65rem 1rem;
    min-height: 2.75rem;
    background: linear-gradient(135deg, var(--lumi-blue) 0%, #2b8fd9 100%);
    color: #fff;
    border: none;
    border-radius: var(--lumi-radius-sm);
    font-size: var(--lumi-font-base);
    font-weight: 600;
    cursor: pointer;
    transition: filter 0.2s, transform 0.15s;
    font-family: 'Poppins', sans-serif;
}

.lumi-auth-form button[type="submit"]:hover,
.lumi-auth-card .btn-auth-primary:hover {
    filter: brightness(1.05);
}

.lumi-auth-card .lumi-auth-footer {
    margin-top: 20px;
    font-size: var(--lumi-font-sm);
    color: var(--lumi-text-muted);
}

.lumi-auth-card .lumi-auth-footer a {
    color: var(--lumi-blue-dark);
    font-weight: 600;
    text-decoration: none;
}

.lumi-auth-card .lumi-auth-footer a:hover {
    text-decoration: underline;
}

.lumi-auth-card .lumi-auth-note {
    display: block;
    margin-top: 8px;
    font-size: var(--lumi-font-xs);
    color: var(--lumi-text-muted);
    line-height: 1.4;
}

body.dark-mode .lumi-auth-card {
    background: rgba(30, 40, 48, 0.96);
    border-color: rgba(100, 150, 200, 0.25);
}

body.dark-mode .lumi-auth-card h1 {
    color: #e3f2fd;
}

body.dark-mode .lumi-auth-card .lumi-auth-lead {
    color: #b0bec5;
}

body.dark-mode .lumi-auth-form label {
    color: #b0bec5;
}

body.dark-mode .lumi-auth-form input,
body.dark-mode .lumi-auth-form select {
    background: #263238;
    border-color: #455a64;
    color: #eceff1;
}

/* Lista coordenação — utilizadores (mesma família que admin) */
.coord-users-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 20px;
    margin-bottom: 1.1rem;
    padding: 16px 18px;
    border-radius: 12px;
    background: linear-gradient(135deg, #e8f5e9 0%, #e3f2fd 100%);
    border: 1px solid var(--lumi-blue-transparent-30);
}

.coord-users-toolbar__cta {
    display: inline-block;
    text-decoration: none !important;
    padding: 10px 18px;
    border-radius: 10px;
    font-weight: 600;
}

.coord-users-toolbar__hint {
    font-size: 0.88rem;
    color: #455a64;
    flex: 1 1 200px;
    min-width: 0;
    line-height: 1.4;
}

.coord-users-page .coord-users-empty {
    margin-top: 0.5rem;
}

body.dark-mode .coord-users-toolbar {
    background: linear-gradient(135deg, rgba(46, 125, 50, 0.2) 0%, rgba(25, 118, 210, 0.2) 100%);
    border-color: rgba(100, 150, 200, 0.35);
}

body.dark-mode .coord-users-toolbar__hint {
    color: #b0bec5;
}

/* =======================================================
 * Botão "Voltar" unificado — toda a aplicação
 * ======================================================= */
.lumi-back-nav {
    margin-bottom: 1.35rem;
}

.lumi-back-nav--tight {
    margin-bottom: 0;
    display: inline-block;
}

.lumi-error-back-wrap {
    text-align: center;
    margin-top: 1rem;
}

.lumi-btn-back {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    border-radius: 12px;
    background: linear-gradient(145deg, #ffffff 0%, #e8f4fc 55%, #dff0fb 100%);
    border: 1px solid var(--lumi-blue-transparent-30);
    box-shadow:
        0 2px 10px rgba(63, 169, 245, 0.14),
        0 1px 3px rgba(0, 77, 123, 0.06);
    color: var(--lumi-blue-dark);
    font-weight: 600;
    font-size: 0.92rem;
    font-family: 'Poppins', sans-serif;
    text-decoration: none;
    letter-spacing: 0.02em;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.lumi-btn-back:hover {
    transform: translateY(-2px);
    box-shadow:
        0 8px 24px rgba(63, 169, 245, 0.22),
        0 2px 8px rgba(0, 77, 123, 0.08);
    border-color: rgba(63, 169, 245, 0.45);
    color: #003d5c;
}

.lumi-btn-back:active {
    transform: translateY(0);
}

.lumi-btn-back__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    height: 28px;
    border-radius: 8px;
    background: rgba(63, 169, 245, 0.2);
    font-size: 1rem;
    line-height: 1;
    flex-shrink: 0;
}

.lumi-btn-back__text {
    line-height: 1.25;
}

/* Variante: fundo escuro (Modo Foco) */
.lumi-back-nav--foco-fixed {
    position: absolute;
    top: 18px;
    left: 18px;
    z-index: 15;
    margin-bottom: 0;
}

.lumi-btn-back--on-dark {
    background: linear-gradient(145deg, #334155 0%, #1e293b 100%);
    border-color: rgba(148, 163, 184, 0.35);
    color: #f1f5f9;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
}

.lumi-btn-back--on-dark:hover {
    color: #fff;
    border-color: rgba(63, 169, 245, 0.5);
    box-shadow: 0 6px 22px rgba(63, 169, 245, 0.2);
}

.lumi-btn-back--on-dark .lumi-btn-back__icon {
    background: rgba(63, 169, 245, 0.3);
}

/* Variante: contorno / secundário (ex.: voltar dentro de um fluxo) */
.lumi-btn-back--ghost {
    background: rgba(255, 255, 255, 0.92);
    border: 1px dashed rgba(63, 169, 245, 0.45);
    box-shadow: none;
}

.lumi-btn-back--ghost:hover {
    background: #fff;
    border-style: solid;
}

button.lumi-btn-back {
    border: 1px solid var(--lumi-blue-transparent-30);
    cursor: pointer;
    font-family: 'Poppins', sans-serif;
}

button.lumi-btn-back--ghost {
    border: 1px dashed rgba(63, 169, 245, 0.45);
}

/* Link de resultado / ação central (Método de estudo, etc.) */
a.lumi-btn-back--block {
    display: flex;
    width: 100%;
    max-width: 280px;
    margin-left: auto;
    margin-right: auto;
    justify-content: center;
}

body.dark-mode .lumi-btn-back {
    background: linear-gradient(145deg, rgba(45, 55, 72, 0.95) 0%, rgba(30, 41, 59, 0.98) 100%);
    border-color: rgba(100, 150, 200, 0.35);
    color: #e2e8f0;
}

body.dark-mode .lumi-btn-back:hover {
    color: #fff;
    border-color: rgba(63, 169, 245, 0.45);
}

body.dark-mode .lumi-btn-back__icon {
    background: rgba(63, 169, 245, 0.25);
}

body.dark-mode .lumi-btn-back--ghost {
    background: rgba(40, 45, 58, 0.6);
    border-color: rgba(100, 150, 200, 0.35);
}

.lumi-auth-card ul.flash-messages {
    list-style: none;
    padding: 0;
    margin: 0 0 16px;
    text-align: left;
}

.lumi-auth-card ul.flash-messages li {
    padding: 10px 12px;
    border-radius: 8px;
    margin-bottom: 8px;
    font-size: 0.9em;
    border: 1px solid transparent;
}

.lumi-auth-card ul.flash-messages .danger {
    background: #ffebee;
    color: #c62828;
    border-color: #ffcdd2;
}

.lumi-auth-card ul.flash-messages .warning {
    background: #fff8e1;
    color: #f57f17;
    border-color: #ffe082;
}

.lumi-auth-card ul.flash-messages .success {
    background: #e8f5e9;
    color: #2e7d32;
    border-color: #c8e6c9;
}

.lumi-auth-card .lumi-auth-courses-box {
    text-align: left;
    max-height: 200px;
    overflow: auto;
    border: 1px solid var(--lumi-blue-transparent-30);
    border-radius: 10px;
    padding: 10px 12px;
    margin-bottom: 6px;
    background: var(--lumi-blue-light-bg);
}

.lumi-auth-card .lumi-auth-courses-box label {
    display: block;
    margin: 6px 0;
    font-weight: 400;
    cursor: pointer;
}

.lumi-auth-card .lumi-auth-courses-box input[type="checkbox"] {
    width: auto;
    margin-right: 8px;
}

body.dark-mode .lumi-auth-card .lumi-auth-courses-box {
    background: rgba(38, 50, 56, 0.6);
    border-color: rgba(100, 150, 200, 0.3);
}

/* --- Página Documentos do curso (repositório PDF) --- */
.lumi-doc-page {
    max-width: 960px;
}

.lumi-doc-page h2 {
    margin-top: 0.35rem;
    margin-bottom: 0.5rem;
    font-size: 1.55rem;
    color: var(--lumi-blue-dark, #004d7b);
}

.lumi-doc-intro {
    color: #546e7a;
    font-size: 0.95rem;
    line-height: 1.45;
    margin: 0 0 1rem;
    max-width: 40rem;
}

body.dark-mode .lumi-doc-intro {
    color: #b0bec5;
}

.lumi-doc-card {
    background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
    border: 1px solid rgba(63, 169, 245, 0.22);
    border-radius: 16px;
    padding: 1.25rem 1.35rem 1.4rem;
    box-shadow: 0 8px 28px rgba(0, 77, 123, 0.06);
    margin-bottom: 1rem;
}

body.dark-mode .lumi-doc-card {
    background: linear-gradient(180deg, rgba(38, 45, 58, 0.95) 0%, rgba(30, 35, 45, 0.98) 100%);
    border-color: rgba(100, 150, 200, 0.28);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.25);
}

.lumi-doc-course-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    font-size: 0.92rem;
    font-weight: 600;
    color: #1565c0;
    background: rgba(63, 169, 245, 0.12);
    border: 1px solid rgba(63, 169, 245, 0.28);
    padding: 0.45rem 0.85rem;
    border-radius: 999px;
    margin-bottom: 1rem;
}

body.dark-mode .lumi-doc-course-pill {
    color: #90caf9;
    background: rgba(63, 169, 245, 0.15);
    border-color: rgba(100, 180, 255, 0.25);
}

.lumi-doc-table-scroll {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-top: 0.25rem;
}

.lumi-doc-table {
    width: 100%;
    min-width: 520px;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.lumi-doc-table th,
.lumi-doc-table td {
    border: 1px solid rgba(0, 0, 0, 0.08);
    padding: 0.65rem 0.75rem;
    text-align: left;
    vertical-align: middle;
}

.lumi-doc-table th {
    background: rgba(63, 169, 245, 0.1);
    font-weight: 600;
    color: #1a237e;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.lumi-doc-table tbody tr:nth-child(even) {
    background: rgba(63, 169, 245, 0.03);
}

body.dark-mode .lumi-doc-table th,
body.dark-mode .lumi-doc-table td {
    border-color: rgba(255, 255, 255, 0.1);
}

body.dark-mode .lumi-doc-table th {
    background: rgba(63, 169, 245, 0.18);
    color: #e3f2fd;
}

body.dark-mode .lumi-doc-table tbody tr:nth-child(even) {
    background: rgba(255, 255, 255, 0.03);
}

.lumi-doc-btn-download {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.45rem 0.9rem;
    border-radius: 10px;
    font-size: 0.86rem;
    font-weight: 600;
    text-decoration: none;
    background: linear-gradient(145deg, #3fa9f5 0%, #1976d2 100%);
    color: #fff !important;
    border: none;
    box-shadow: 0 2px 10px rgba(25, 118, 210, 0.35);
    white-space: nowrap;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.lumi-doc-btn-download:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(25, 118, 210, 0.45);
    color: #fff !important;
}

.lumi-doc-empty {
    color: #78909c;
    font-size: 0.95rem;
    margin: 0.5rem 0 0;
}

body.dark-mode .lumi-doc-empty {
    color: #90a4ae;
}

.lumi-doc-alert {
    padding: 0.85rem 1rem;
    border-radius: 12px;
    background: #fff8e1;
    border: 1px solid #ffe082;
    color: #6d4c41;
    font-size: 0.92rem;
    line-height: 1.45;
}

body.dark-mode .lumi-doc-alert {
    background: rgba(255, 213, 79, 0.12);
    border-color: rgba(255, 213, 79, 0.35);
    color: #ffe082;
}

.lumi-doc-foot {
    margin-top: 1.25rem;
    font-size: 0.9rem;
}

.lumi-doc-foot a {
    font-weight: 600;
    color: var(--lumi-blue-dark, #004d7b);
}

@media (max-width: 600px) {
    .lumi-doc-table th:nth-child(3),
    .lumi-doc-table td:nth-child(3) {
        display: none;
    }
}

/* Chat: feedback 👍 / 👎 abaixo das respostas da Lumi */
.chat-lumi-stack {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
    max-width: 100%;
}

.chat-feedback-bar {
    display: flex;
    align-items: center;
    gap: 0.15rem;
    margin-top: 0.1rem;
    padding-left: 0.15rem;
}

.chat-feedback-btn {
    border: none;
    background: transparent;
    opacity: 0.55;
    cursor: pointer;
    font-size: 1.05rem;
    line-height: 1;
    padding: 0.25rem 0.4rem;
    border-radius: 8px;
    transition: opacity 0.15s ease, background 0.15s ease, transform 0.12s ease;
}

.chat-feedback-btn:hover {
    opacity: 1;
    background: rgba(0, 0, 0, 0.06);
}

.chat-feedback-btn:active {
    transform: scale(0.96);
}

.chat-feedback-btn.is-active {
    opacity: 1;
}

.chat-feedback-btn.chat-feedback-up.is-active {
    background: rgba(76, 175, 80, 0.2);
}

.chat-feedback-btn.chat-feedback-down.is-active {
    background: rgba(229, 57, 53, 0.18);
}

body.dark-mode .chat-feedback-btn:hover {
    background: rgba(255, 255, 255, 0.08);
}

body.dark-mode .chat-feedback-btn.chat-feedback-up.is-active {
    background: rgba(129, 199, 132, 0.22);
}

body.dark-mode .chat-feedback-btn.chat-feedback-down.is-active {
    background: rgba(239, 83, 80, 0.22);
}

/* Chat: copiar / compartilhar por mensagem */
.chat-lumi-footer {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem 0.75rem;
    width: 100%;
}

.chat-user-stack {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    max-width: 100%;
}

.chat-user-footer {
    display: flex;
    justify-content: flex-end;
    width: 100%;
    margin-top: 0.2rem;
}

.chat-message-actions {
    display: inline-flex;
    align-items: center;
    gap: 0.15rem;
}

.chat-msg-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: #78909c;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease, transform 0.12s ease;
}

.chat-msg-action:hover {
    background: rgba(0, 0, 0, 0.06);
    color: var(--lumi-blue, #1976d2);
}

.chat-msg-action:active {
    transform: scale(0.95);
}

.chat-msg-action__icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

body.dark-mode .chat-msg-action {
    color: #90a4ae;
}

body.dark-mode .chat-msg-action:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #90caf9;
}

/* Modal compartilhar (estilo ChatGPT) */
.chat-share-modal {
    position: fixed;
    inset: 0;
    z-index: 10050;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.chat-share-modal[hidden] {
    display: none !important;
}

.chat-share-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(2px);
}

.chat-share-modal__panel {
    position: relative;
    width: 100%;
    max-width: 420px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.18);
    padding: 1.25rem 1.25rem 1.5rem;
    z-index: 1;
}

.chat-share-modal__close {
    position: absolute;
    top: 0.65rem;
    right: 0.65rem;
    width: 36px;
    height: 36px;
    border: none;
    background: transparent;
    font-size: 1.5rem;
    line-height: 1;
    color: #90a4ae;
    cursor: pointer;
    border-radius: 8px;
    transition: background 0.15s ease, color 0.15s ease;
}

.chat-share-modal__close:hover {
    background: rgba(0, 0, 0, 0.06);
    color: #37474f;
}

.chat-share-modal__preview {
    min-height: 4.5rem;
    max-height: 12rem;
    overflow-y: auto;
    padding: 1rem 1.1rem;
    margin: 0 0 0.75rem;
    border-radius: 12px;
    background: #f8fafc;
    border: 1px solid rgba(0, 0, 0, 0.06);
    font-size: 0.92rem;
    line-height: 1.45;
    color: #263238;
    white-space: pre-wrap;
    word-break: break-word;
}

.chat-share-modal__brand {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 1rem;
}

.chat-share-modal__brand-img {
    height: 22px;
    width: auto;
    opacity: 0.85;
    border-radius: 4px;
}

.chat-share-modal__row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem 1.25rem;
}

.chat-share-social {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.45rem;
    width: 72px;
    padding: 0;
    border: none;
    background: none;
    cursor: pointer;
    color: inherit;
}

.chat-share-social__circle {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: #0f0f0f;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
}

.chat-share-social:hover .chat-share-social__circle {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.28);
}

.chat-share-social__label {
    font-size: 0.72rem;
    font-weight: 600;
    color: #37474f;
    text-align: center;
    line-height: 1.2;
}

.chat-toast {
    position: fixed;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    z-index: 10060;
    padding: 0.65rem 1.25rem;
    border-radius: 999px;
    background: #263238;
    color: #fff;
    font-size: 0.88rem;
    font-weight: 500;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.chat-toast.chat-toast--show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

body.dark-mode .chat-share-modal__panel {
    background: #1e2430;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

body.dark-mode .chat-share-modal__preview {
    background: #121820;
    border-color: rgba(255, 255, 255, 0.08);
    color: #eceff1;
}

body.dark-mode .chat-share-modal__close {
    color: #b0bec5;
}

body.dark-mode .chat-share-modal__close:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
}

body.dark-mode .chat-share-social__label {
    color: #cfd8dc;
}