/* 
 * Plataforma APA - Estilos
 * Cores UNEX: Azul Marinho (#1a1a3a) + Verde Limão (#a2d45e)
 * Design Flat e Sóbrio - SEM DEGRADÊS
 */

/* =====================================================
   CSS VARIABLES
   ===================================================== */
:root {
    /* Cores principais */
    --primary-color: #1a1a3a;
    --accent-color: #a2d45e;
    --accent-hover: #8bc34a;

    /* Tema claro (padrão) */
    --bg-color: #f5f5f5;
    --bg-secondary: #ffffff;
    --text-color: #1a1a3a;
    --text-muted: #6c757d;
    --sidebar-bg: #1a1a3a;
    --sidebar-text: #ffffff;
    --card-bg: #ffffff;
    --border-color: #e0e0e0;

    /* Feedback */
    --success-color: #28a745;
    --error-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;

    /* Layout */
    --sidebar-width: 260px;
    --header-height: 60px;
    --border-radius: 8px;
    --transition-speed: 0.3s;
}

/* Tema escuro - Preto Absoluto */
.dark-mode {
    --bg-color: #000000;
    --bg-secondary: #111111;
    --text-color: #ffffff;
    --text-muted: #aaaaaa;
    --sidebar-bg: #0a0a0a;
    --sidebar-text: #ffffff;
    --card-bg: #1a1a1a;
    --border-color: #333333;
}

/* =====================================================
   RESET & BASE
   ===================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html,
body {
    height: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color var(--transition-speed);
}

a:hover {
    color: var(--accent-hover);
}

/* =====================================================
   LAYOUT
   ===================================================== */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background-color: var(--sidebar-bg);
    color: var(--sidebar-text);
    padding: 20px 0;
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: background-color var(--transition-speed);
}

.sidebar-logo {
    padding: 0 20px 30px;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 20px;
}

.sidebar-logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
}

.sidebar-logo span {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
}

.sidebar-nav {
    flex: 1;
    padding: 0 10px;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    margin-bottom: 5px;
    border-radius: var(--border-radius);
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    transition: all var(--transition-speed);
}

.nav-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: #ffffff;
}

.nav-item.active {
    background-color: var(--accent-color);
    color: #1a1a3a;
}

.nav-item svg {
    width: 20px;
    height: 20px;
    margin-right: 12px;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Dark Mode Toggle */
.dark-mode-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 15px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    cursor: pointer;
    margin-bottom: 10px;
}

.dark-mode-toggle span {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

.toggle-switch {
    width: 44px;
    height: 24px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    position: relative;
    transition: background-color var(--transition-speed);
}

.toggle-switch::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    background-color: #ffffff;
    border-radius: 50%;
    top: 3px;
    left: 3px;
    transition: transform var(--transition-speed);
}

.dark-mode .toggle-switch {
    background-color: var(--accent-color);
}

.dark-mode .toggle-switch::after {
    transform: translateX(20px);
}

/* Main Content */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 30px;
    min-height: 100vh;
}

.page-header {
    margin-bottom: 30px;
}

.page-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 5px;
}

.page-header p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.breadcrumb {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.breadcrumb a {
    color: var(--text-muted);
    text-decoration: none;
}

.breadcrumb a:hover {
    color: var(--accent-color);
}


/* =====================================================
   CARDS
   ===================================================== */
.card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 20px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
    transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.card-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 25px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all var(--transition-speed);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.stat-card .icon {
    width: 50px;
    height: 50px;
    margin: 0 auto 15px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-card .icon svg {
    width: 24px;
    height: 24px;
    color: var(--accent-color);
}

.stat-card .value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 5px;
}

.stat-card .label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* =====================================================
   BUTTONS
   ===================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-speed);
    text-decoration: none;
}

.btn-primary {
    background-color: var(--accent-color);
    color: #1a1a3a;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    color: #1a1a3a;
}

.btn-secondary {
    background-color: var(--primary-color);
    color: #ffffff;
}

.btn-secondary:hover {
    background-color: #2a2a4a;
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--text-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: #ffffff;
}

.btn-success {
    background-color: var(--success-color);
    color: #ffffff;
}

.btn-danger {
    background-color: var(--error-color);
    color: #ffffff;
}

.btn svg {
    width: 18px;
    height: 18px;
    margin-right: 8px;
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.85rem;
}


/* =====================================================
   FORMS
   ===================================================== */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color);
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    font-size: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--bg-secondary);
    color: var(--text-color);
    transition: border-color var(--transition-speed), background-color var(--transition-speed);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-color);
}

.form-input::placeholder {
    color: var(--text-muted);
}

/* =====================================================
   MODALS
   ===================================================== */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
}

.modal-content {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 500px;
    padding: 0;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    font-size: 1.25rem;
    color: var(--accent-color);
}

.modal-body {
    padding: 20px;
}

.close {
    color: var(--text-muted);
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
}

.close:hover {
    color: var(--text-color);
}


/* =====================================================
   TABLES
   ===================================================== */
.table-container {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    font-weight: 600;
    color: var(--text-color);
    background-color: var(--bg-secondary);
}

.table tr:hover {
    background-color: rgba(162, 212, 94, 0.05);
}

.table .rank-medal {
    font-size: 1.2rem;
}

/* =====================================================
   ALERTS & MESSAGES
   ===================================================== */
.alert {
    padding: 15px 20px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
}

.alert svg {
    width: 20px;
    height: 20px;
    margin-right: 10px;
}

.alert-success {
    background-color: rgba(40, 167, 69, 0.1);
    border: 1px solid var(--success-color);
    color: var(--success-color);
}

.alert-error {
    background-color: rgba(220, 53, 69, 0.1);
    border: 1px solid var(--error-color);
    color: var(--error-color);
}

.alert-info {
    background-color: rgba(23, 162, 184, 0.1);
    border: 1px solid var(--info-color);
    color: var(--info-color);
}

/* =====================================================
   QUESTÕES
   ===================================================== */
.questao-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 25px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
}

.questao-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.questao-tag {
    display: inline-block;
    padding: 4px 12px;
    background-color: var(--primary-color);
    color: var(--accent-color);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.questao-enunciado {
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.alternativas {
    list-style: none;
}

.alternativa-item {
    display: flex;
    align-items: flex-start;
    padding: 15px;
    margin-bottom: 10px;
    background-color: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-speed);
}

.alternativa-item:hover {
    border-color: var(--accent-color);
}

.alternativa-item.selected {
    border-color: var(--accent-color);
    background-color: rgba(162, 212, 94, 0.1);
}

.alternativa-item.correct {
    border-color: var(--success-color);
    background-color: rgba(40, 167, 69, 0.1);
}

.alternativa-item.incorrect {
    border-color: var(--error-color);
    background-color: rgba(220, 53, 69, 0.1);
}

.alternativa-letra {
    width: 32px;
    height: 32px;
    background-color: var(--primary-color);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    margin-right: 15px;
    flex-shrink: 0;
}

.alternativa-texto {
    flex: 1;
    line-height: 1.6;
}

/* =====================================================
   AUTH PAGES
   ===================================================== */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background-color: var(--bg-color);
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 40px;
    border: 1px solid var(--border-color);
}

.auth-logo {
    text-align: center;
    margin-bottom: 30px;
}

.auth-logo h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--accent-color);
}

.auth-logo p {
    color: var(--text-muted);
    margin-top: 5px;
}

.auth-form .btn {
    width: 100%;
    margin-top: 10px;
}

.auth-footer {
    text-align: center;
    margin-top: 25px;
    padding-top: 25px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
}

.auth-footer a {
    font-weight: 600;
}

/* =====================================================
   CHART CONTAINER
   ===================================================== */
.chart-container {
    position: relative;
    max-width: 400px;
    margin: 0 auto;
    padding: 20px;
}

/* =====================================================
   RESPONSIVE
   ===================================================== */
/* =====================================================
   RESPONSIVE
   ===================================================== */
/* Responsive Split (Endocrinologia e outros) */
.responsive-split {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

/* Mobile Menu Toggle button */
.menu-toggle {
    display: none;
    position: fixed;
    top: 15px;
    left: 15px;
    z-index: 1100;
    background: var(--sidebar-bg);
    color: #fff;
    border: none;
    border-radius: 4px;
    padding: 8px;
    cursor: pointer;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

/* Sidebar Overlay */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 900;
    backdrop-filter: blur(2px);
    opacity: 0;
    transition: opacity 0.3s;
}

@media (max-width: 1366px) {
    /* Ajustes para telas médias (Laptops) */
    .app-container {
        /* Garante que o container ocupe largura total corretamente */
        max-width: 100vw;
        overflow-x: hidden;
    }
}

@media (max-width: 1024px) {
    /* Tablets e telas menores que 1024px */
    .responsive-split {
        flex-direction: column; 
    }
    
    .col-guide, .col-form {
        max-width: 100% !important;
        flex: 1 1 100% !important;
        position: static !important; /* Remove sticky em mobile/tablet */
        max-height: none !important;
        padding-right: 0 !important;
    }
}

@media (max-width: 768px) {
    /* Mobile */
    .menu-toggle {
        display: block;
    }

    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }

    .sidebar.open {
        transform: translateX(0);
    }
    
    .sidebar-overlay.active {
        display: block;
        opacity: 1;
    }

    .main-content {
        margin-left: 0;
        padding: 20px; /* Reduz padding geral */
        padding-top: 70px; /* Espaço para o botão do menu */
        width: 100%;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    /* Ajustes de Cartões em Mobile */
    .card {
        padding: 1.5rem !important; /* Força padding menor */
    }
    
    .page-header h1 {
        font-size: 1.5rem;
    }
    
    /* Ajustes Endócrino */
    .responsive-split {
        flex-direction: column;
        gap: 20px;
    }
}

/* =====================================================
   UTILITIES
   ===================================================== */
.text-center {
    text-align: center;
}

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

.text-muted {
    color: var(--text-muted);
}

.text-success {
    color: var(--success-color);
}

.text-error {
    color: var(--error-color);
}

.text-accent {
    color: var(--accent-color);
}

.mt-1 {
    margin-top: 10px;
}

.mt-2 {
    margin-top: 20px;
}

.mt-3 {
    margin-top: 30px;
}

.mb-1 {
    margin-bottom: 10px;
}

.mb-2 {
    margin-bottom: 20px;
}

.mb-3 {
    margin-bottom: 30px;
}

.d-flex {
    display: flex;
}

.align-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-1 {
    gap: 10px;
}

.gap-2 {
    gap: 20px;
}

/* =====================================================
   QUESTÃO TRACKER
   ===================================================== */
.tracker-container {
    flex-wrap: wrap;
    display: flex;
}

.tracker-item {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 600;
    color: #ffffff;
    transition: all 0.2s;
    text-decoration: none;
    margin-bottom: 5px;
}

.tracker-item:hover {
    transform: scale(1.1);
    color: #ffffff;
}

.tracker-item.active {
    box-shadow: 0 0 0 2px var(--accent-color), 0 0 10px rgba(162, 212, 94, 0.5);
}

.tracker-item.status-pendente {
    background-color: #3f51b5; /* Azul/Indigó */
}

.tracker-item.status-correta {
    background-color: var(--success-color);
}

.tracker-item.status-errada {
    background-color: var(--error-color);
}


/* =====================================================
   COMMENTS & AVATARS
   ===================================================== */
.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    border: 2px solid var(--border-color);
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.user-avatar.small {
    width: 32px;
    height: 32px;
}

.fallback-avatar {
    width: 100%;
    height: 100%;
    background-color: var(--primary-color);
    color: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.1rem;
}

.user-avatar.small .fallback-avatar {
    font-size: 0.9rem;
}

.comentario-item {
    border-bottom: 1px solid var(--border-color);
    padding: 15px 0;
    position: relative;
    transition: background-color 0.3s;
}

.comentario-item.pinned {
    background-color: rgba(255, 193, 7, 0.05); /* Amarelo leve */
    border-left: 3px solid var(--warning-color);
    padding-left: 10px;
}

.pinned-badge {
    font-size: 0.75rem;
    color: var(--warning-color);
    display: flex;
    align-items: center;
    gap: 4px;
    margin-bottom: 5px;
    font-weight: 600;
}

.comentario-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 5px;
}

.dot {
    font-size: 0.6rem;
}

.badge-admin {
    background-color: var(--accent-color);
    color: #1a1a3a;
    font-size: 0.7rem;
    padding: 1px 6px;
    border-radius: 4px;
    font-weight: 700;
}

.comentario-texto {
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 8px;
    color: var(--text-color);
}

.comentario-actions {
    display: flex;
    gap: 15px;
    align-items: center;
}

.action-btn {
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
    color: var(--text-muted);
    font-size: 0.85rem;
    padding: 2px 4px;
    border-radius: 4px;
    transition: all 0.2s;
}

.action-btn:hover {
    color: var(--accent-color);
    background-color: rgba(0,0,0,0.05);
}

.action-btn.active {
    color: var(--accent-color);
    font-weight: 600;
}

.action-btn svg {
    width: 14px;
    height: 14px;
}

.admin-actions {
    margin-left: auto;
    display: flex;
    gap: 5px;
}

.reply-form {
    background-color: rgba(0,0,0,0.02);
    padding: 10px;
    border-radius: 8px;
    margin-top: 10px;
}

.hidden {
    display: none !important;
}


/* =====================================================
   FORM ERRORS
   ===================================================== */
.form-input.error {
    border-color: var(--error-color);
    background-color: rgba(220, 53, 69, 0.05);
}

.form-error {
    margin-top: 5px;
    font-size: 0.85rem;
}

.error-text {
    color: var(--error-color);
    display: block;
    font-weight: 500;
}