/* ==================== VARIÁVEIS CSS ==================== */
:root {
    /* Cores principais - Cyano Edu */
    --primary: #11b0b1;
    --primary-dark: #004d54;
    --primary-light: #4dd0d1;

    /* Cores de estado */
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --info: #3B82F6;

    /* Neutros - Tema Claro */
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;

    /* Cores semânticas - Tema Claro */
    --bg-primary: #ffffff;
    --bg-secondary: #F9FAFB;
    --bg-tertiary: #F3F4F6;
    --text-primary: #111827;
    --text-secondary: #6B7280;
    --border-color: #E5E7EB;
    --card-bg: #ffffff;
    --input-bg: #ffffff;
    --sidebar-bg: #ffffff;
    --navbar-bg: #ffffff;

    /* Tipografia */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;

    /* Espaçamento */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;

    /* Bordas */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-full: 9999px;

    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    /* Transições */
    --transition-fast: 150ms ease;
    --transition-normal: 200ms ease;
    --transition-slow: 300ms ease;
}

/* ==================== TEMA ESCURO ==================== */
[data-theme="dark"] {
    /* Neutros invertidos */
    --gray-50: #1F2937;
    --gray-100: #374151;
    --gray-200: #4B5563;
    --gray-300: #6B7280;
    --gray-400: #9CA3AF;
    --gray-500: #D1D5DB;
    --gray-600: #E5E7EB;
    --gray-700: #F3F4F6;
    --gray-800: #F9FAFB;
    --gray-900: #ffffff;

    /* Cores semânticas - Tema Escuro */
    --bg-primary: #111827;
    --bg-secondary: #1F2937;
    --bg-tertiary: #374151;
    --text-primary: #F9FAFB;
    --text-secondary: #9CA3AF;
    --border-color: #374151;
    --card-bg: #1F2937;
    --input-bg: #374151;
    --sidebar-bg: #1F2937;
    --navbar-bg: #1F2937;

    /* Sombras mais sutis no escuro */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.3);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.3);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.5), 0 8px 10px -6px rgb(0 0 0 / 0.4);

    /* Ajustes de cores de estado para melhor contraste */
    --primary-light: #4dd0d1;
    --success: #34D399;
    --warning: #FBBF24;
    --error: #F87171;
    --info: #60A5FA;
}

/* ==================== RESET E BASE ==================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    min-height: 100vh;
    transition: background-color var(--transition-normal), color var(--transition-normal);
    overflow-x: hidden;
}

/* ==================== TIPOGRAFIA ==================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.25;
    color: var(--text-primary);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }

p {
    margin-bottom: var(--spacing-4);
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
}

/* ==================== LAYOUT ==================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

.page-wrapper {
    display: flex;
    min-height: 100vh;
}

.main-content {
    flex: 1;
    padding: var(--spacing-6);
}

/* ==================== NAVBAR ==================== */
.navbar {
    background: var(--navbar-bg);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-4) var(--spacing-6);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary);
}

.navbar-brand img {
    height: 32px;
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.navbar-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.navbar-user-name {
    font-weight: 500;
    color: var(--text-secondary);
}

/* ==================== SIDEBAR ==================== */
.sidebar {
    width: 260px;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 50;
    transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.sidebar-header {
    padding: var(--spacing-6);
    border-bottom: 1px solid var(--border-color);
}

.sidebar-logo {
    max-width: 160px;
    height: auto;
    display: block;
}

/* Logos para tema claro/escuro */
.sidebar-logo-dark {
    display: none;
}

[data-theme="dark"] .sidebar-logo-light {
    display: none;
}

[data-theme="dark"] .sidebar-logo-dark {
    display: block;
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-4);
    overflow-y: auto;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition-fast);
    margin-bottom: var(--spacing-1);
}

.sidebar-link:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.sidebar-link.active {
    background: var(--primary);
    color: white;
}

.sidebar-link svg {
    width: 20px;
    height: 20px;
}

.sidebar-footer {
    padding: var(--spacing-4);
    border-top: 1px solid var(--border-color);
}

/* Offset do conteúdo quando sidebar existe */
.has-sidebar {
    margin-left: 260px;
}

/* ==================== CARDS ==================== */
.card {
    background: var(--card-bg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.card-header {
    padding: var(--spacing-5) var(--spacing-6);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.card-body {
    padding: var(--spacing-6);
}

.card-footer {
    padding: var(--spacing-4) var(--spacing-6);
    border-top: 1px solid var(--border-color);
    background: var(--bg-tertiary);
}

/* Cards de acesso rápido */
.quick-card {
    padding: var(--spacing-5);
    border-radius: var(--radius-xl);
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
}

.quick-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.quick-card-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--spacing-3);
    background: var(--primary-light);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.quick-card-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-1);
}

.quick-card-description {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* ==================== BOTÕES ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: var(--primary-dark);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--border-color);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-outline:hover:not(:disabled) {
    border-color: var(--primary);
    color: var(--primary);
}

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

.btn-danger:hover:not(:disabled) {
    background: #DC2626;
}

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

.btn-success:hover:not(:disabled) {
    background: #059669;
}

.btn-lg {
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-base);
}

.btn-sm {
    padding: var(--spacing-1) var(--spacing-3);
    font-size: var(--font-size-xs);
}

.btn-icon {
    padding: var(--spacing-2);
}

/* ==================== FORMULÁRIOS ==================== */
.form-group {
    margin-bottom: var(--spacing-5);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-2);
}

.form-input,
.form-select,
.form-textarea,
.form-control {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    font-size: var(--font-size-base);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--input-bg);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus,
.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder,
.form-control::placeholder {
    color: var(--text-secondary);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-hint {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-top: var(--spacing-1);
}

.form-error {
    font-size: var(--font-size-sm);
    color: var(--error);
    margin-top: var(--spacing-1);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-4);
}

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

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

.table th,
.table td {
    padding: var(--spacing-3) var(--spacing-4);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--bg-tertiary);
}

.table tbody tr:hover {
    background: var(--bg-tertiary);
}

/* ==================== MODAIS ==================== */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    padding: var(--spacing-4);
}

.modal {
    background: var(--card-bg);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-xl);
}

.modal-lg {
    max-width: 700px;
}

.modal-xl {
    max-width: 900px;
}

.modal-header {
    padding: var(--spacing-5) var(--spacing-6);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    padding: var(--spacing-2);
    cursor: pointer;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-6);
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    padding: var(--spacing-4) var(--spacing-6);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-3);
}

/* ==================== TOAST / NOTIFICAÇÕES ==================== */
.toast-container {
    position: fixed;
    top: var(--spacing-4);
    right: var(--spacing-4);
    z-index: 300;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.toast {
    padding: var(--spacing-4) var(--spacing-5);
    border-radius: var(--radius-lg);
    background: var(--card-bg);
    color: var(--text-primary);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    min-width: 300px;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast-success {
    border-left: 4px solid var(--success);
}

.toast-error {
    border-left: 4px solid var(--error);
}

.toast-warning {
    border-left: 4px solid var(--warning);
}

.toast-info {
    border-left: 4px solid var(--info);
}

/* ==================== BADGES ==================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-1) var(--spacing-2);
    font-size: var(--font-size-xs);
    font-weight: 500;
    border-radius: var(--radius-full);
}

.badge-primary {
    background: rgba(79, 70, 229, 0.1);
    color: var(--primary);
}

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.badge-error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
}

/* ==================== EMPTY STATE ==================== */
.empty-state {
    text-align: center;
    padding: var(--spacing-12) var(--spacing-6);
}

.empty-state-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-4);
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
}

.empty-state-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-2);
}

.empty-state-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-6);
}

/* ==================== LOADING ==================== */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    opacity: 0.9;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 400;
}

.loading-lg {
    width: 40px;
    height: 40px;
    border-width: 3px;
}

/* ==================== GRID DE CARDS ==================== */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-6);
}

.card-grid-sm {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
}

/* ==================== PÁGINA DE LOGIN ==================== */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: var(--spacing-4);
}

.auth-card {
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--spacing-10);
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-xl);
}

.auth-logo {
    text-align: center;
    margin-bottom: var(--spacing-8);
}

.auth-logo h1 {
    font-size: var(--font-size-2xl);
    color: var(--primary);
}

.auth-logo-img {
    max-width: 180px;
    height: auto;
    margin-bottom: var(--spacing-2);
}

.auth-logo p {
    color: var(--text-secondary);
    margin-top: var(--spacing-2);
}

.auth-divider {
    display: flex;
    align-items: center;
    margin: var(--spacing-6) 0;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

.auth-divider span {
    padding: 0 var(--spacing-4);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.auth-footer {
    text-align: center;
    margin-top: var(--spacing-6);
    color: var(--text-secondary);
}

.auth-footer a {
    color: var(--primary);
    font-weight: 500;
}

/* ==================== CHAT IA ==================== */
.chat-container {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 200px);
    min-height: 400px;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-4);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.chat-message {
    max-width: 80%;
    padding: var(--spacing-4);
    border-radius: var(--radius-xl);
    line-height: 1.6;
    display: flex;
    gap: var(--spacing-3);
    align-items: flex-start;
}

.chat-message-user {
    background: var(--primary);
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: var(--radius-sm);
}

.chat-message-ai {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    align-self: flex-start;
    border-bottom-left-radius: var(--radius-sm);
}

.chat-input-container {
    padding: var(--spacing-4);
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: var(--spacing-3);
}

/* Avatar do EDU */
.edu-avatar {
    width: 36px;
    height: 36px;
    min-width: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

.edu-avatar-lg {
    width: 64px;
    height: 64px;
    min-width: 64px;
    font-size: 32px;
}

.chat-content {
    flex: 1;
}

.chat-input {
    flex: 1;
}

.chat-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
    padding: var(--spacing-4);
    border-top: 1px solid var(--border-color);
}

.chat-suggestion {
    padding: var(--spacing-2) var(--spacing-3);
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.chat-suggestion:hover {
    background: var(--primary-light);
    color: white;
}

/* ==================== CALENDÁRIO / AGENDA ==================== */
.calendar {
    background: var(--card-bg);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-4) var(--spacing-6);
    background: var(--bg-tertiary);
}

.calendar-nav {
    display: flex;
    gap: var(--spacing-2);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
}

.calendar-day-header {
    padding: var(--spacing-3);
    text-align: center;
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.calendar-day {
    min-height: 100px;
    padding: var(--spacing-2);
    border-right: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.calendar-day:nth-child(7n) {
    border-right: none;
}

.calendar-day-number {
    font-weight: 500;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2);
}

.calendar-day.today .calendar-day-number {
    background: var(--primary);
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.calendar-day.other-month {
    background: var(--bg-tertiary);
}

.calendar-day.other-month .calendar-day-number {
    color: var(--text-secondary);
    opacity: 0.5;
}

.calendar-event {
    padding: var(--spacing-1) var(--spacing-2);
    font-size: var(--font-size-xs);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-1);
    cursor: pointer;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ==================== SEMANÁRIO ==================== */
.weekly-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-4);
}

.weekly-day {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.weekly-day-header {
    padding: var(--spacing-3) var(--spacing-4);
    background: var(--bg-tertiary);
    font-weight: 600;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.weekly-day-header .day-toggle {
    display: none;
}

.weekly-day-content {
    padding: var(--spacing-4);
    min-height: 200px;
}

/* Accordion para semanário (usado no mobile) */
.weekly-accordion .weekly-day-content {
    display: none;
}

.weekly-accordion .weekly-day.active .weekly-day-content {
    display: block;
}

.weekly-accordion .weekly-day-header .day-toggle {
    display: block;
    transition: transform var(--transition-fast);
}

.weekly-accordion .weekly-day.active .weekly-day-header .day-toggle {
    transform: rotate(180deg);
}

/* ==================== CHECKLIST ==================== */
.checklist-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

.checklist-item:hover {
    background: var(--bg-tertiary);
}

.checklist-checkbox {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.checklist-checkbox.checked {
    background: var(--success);
    border-color: var(--success);
    color: white;
}

.checklist-text {
    flex: 1;
}

.checklist-text.completed {
    text-decoration: line-through;
    color: var(--text-secondary);
}

/* ==================== RESPONSIVO ==================== */

/* Tablets landscape */
@media (max-width: 1024px) {
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .weekly-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Tablets e mobile */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
        box-shadow: var(--shadow-xl);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    /* Overlay quando sidebar está aberta */
    .sidebar-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 40;
        opacity: 0;
        visibility: hidden;
        transition: opacity var(--transition-normal), visibility var(--transition-normal);
    }

    .sidebar-overlay.active {
        opacity: 1;
        visibility: visible;
    }

    .has-sidebar {
        margin-left: 0;
    }

    .card-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }

    /* Semanário em modo accordion no mobile */
    .weekly-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2);
    }

    .weekly-grid.weekly-accordion .weekly-day-content {
        min-height: auto;
    }

    .weekly-day-header {
        justify-content: space-between;
    }

    .weekly-day-header .day-name {
        flex: 1;
        text-align: left;
    }

    .modal {
        max-width: 100%;
        max-height: 100%;
        border-radius: 0;
        margin: 0;
    }

    .modal-backdrop {
        padding: 0;
    }

    .modal-body {
        padding: var(--spacing-4);
    }

    .navbar {
        padding: var(--spacing-3) var(--spacing-4);
    }

    .navbar h2 {
        font-size: var(--font-size-lg);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 200px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .auth-card {
        padding: var(--spacing-6);
        border-radius: var(--radius-xl);
    }

    /* Chat responsivo */
    .chat-message {
        max-width: 90%;
    }

    .chat-suggestions {
        padding: var(--spacing-3);
    }

    .chat-suggestion {
        font-size: var(--font-size-xs);
        padding: var(--spacing-1) var(--spacing-2);
    }

    /* Calendário responsivo */
    .calendar-day {
        min-height: 60px;
        padding: var(--spacing-1);
    }

    .calendar-event {
        font-size: 10px;
        padding: 2px 4px;
    }

    /* Botões responsivos */
    .btn-responsive-full {
        width: 100%;
    }
}

/* Smartphones pequenos */
@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .navbar h2 {
        max-width: 150px;
        font-size: var(--font-size-base);
    }

    .card-body {
        padding: var(--spacing-4);
    }

    .auth-card {
        padding: var(--spacing-4);
    }

    .auth-logo h1 {
        font-size: var(--font-size-xl);
    }

    /* Esconde texto em botões pequenos */
    .btn-icon-mobile span {
        display: none;
    }

    /* Calendário ainda mais compacto */
    .calendar-day-header {
        font-size: 10px;
        padding: var(--spacing-2);
    }

    .calendar-day {
        min-height: 50px;
    }

    /* Quick cards menores */
    .quick-card {
        padding: var(--spacing-3);
    }

    .quick-card-icon {
        width: 40px;
        height: 40px;
    }

    .quick-card-title {
        font-size: var(--font-size-sm);
    }

    .quick-card-description {
        font-size: var(--font-size-xs);
    }

    /* Fix para toast em telas pequenas */
    .toast {
        min-width: auto;
        width: calc(100% - 32px);
        max-width: 300px;
    }

    /* Garantir main content não estoure */
    .main-content {
        overflow-x: hidden;
    }
}

/* ==================== UTILITÁRIOS ==================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-sm { font-size: var(--font-size-sm); }
.text-lg { font-size: var(--font-size-lg); }

.text-gray { color: var(--gray-500); }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-error { color: var(--error); }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.mt-2 { margin-top: var(--spacing-2); }
.mt-4 { margin-top: var(--spacing-4); }
.mt-6 { margin-top: var(--spacing-6); }
.mb-2 { margin-bottom: var(--spacing-2); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-6 { margin-bottom: var(--spacing-6); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-2 { gap: var(--spacing-2); }
.gap-4 { gap: var(--spacing-4); }

.hidden { display: none; }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ==================== BOTÃO TOGGLE DE TEMA ==================== */
.theme-toggle {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    padding: var(--spacing-2);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    color: var(--text-secondary);
}

.theme-toggle:hover {
    background: var(--primary-light);
    color: white;
    border-color: var(--primary);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
}

/* Ícone de sol (tema claro) */
.theme-toggle .icon-sun {
    display: block;
}

.theme-toggle .icon-moon {
    display: none;
}

/* Quando está no tema escuro, mostra lua */
[data-theme="dark"] .theme-toggle .icon-sun {
    display: none;
}

[data-theme="dark"] .theme-toggle .icon-moon {
    display: block;
}

/* ==================== HAMBURGER MENU ==================== */
.hamburger-btn {
    display: none;
    background: none;
    border: none;
    padding: var(--spacing-2);
    cursor: pointer;
    color: var(--text-primary);
}

.hamburger-btn svg {
    width: 24px;
    height: 24px;
}

@media (max-width: 768px) {
    .hamburger-btn {
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

/* ==================== AUTH CARD TEMA ESCURO ==================== */
[data-theme="dark"] .auth-card {
    background: var(--card-bg);
}

[data-theme="dark"] .auth-container {
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
}

/* ==================== PAINEL ADMINISTRATIVO ==================== */

/* Grid de estatísticas */
.admin-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-6);
}

.admin-stat-card {
    background: var(--card-bg);
    border-radius: var(--radius-xl);
    padding: var(--spacing-5);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    transition: all var(--transition-fast);
}

.admin-stat-card:hover {
    box-shadow: var(--shadow-md);
}

.admin-stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.admin-stat-icon.total {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info);
}

.admin-stat-icon.active {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.admin-stat-icon.suspended {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.admin-stat-icon.inactive {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
}

.admin-stat-icon svg {
    width: 24px;
    height: 24px;
}

.admin-stat-info {
    flex: 1;
}

.admin-stat-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.admin-stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-top: var(--spacing-1);
}

/* Avatar de usuário */
.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: var(--font-size-sm);
    flex-shrink: 0;
}

.user-avatar-lg {
    width: 48px;
    height: 48px;
    font-size: var(--font-size-base);
}

/* Tabela de usuários admin */
.admin-user-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.admin-user-info {
    flex: 1;
    min-width: 0;
}

.admin-user-name {
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.admin-user-email {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Badges de status para admin */
.badge-active {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.badge-suspended {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.badge-inactive {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
}

.badge-admin {
    background: rgba(17, 176, 177, 0.1);
    color: var(--primary);
}

.badge-professor {
    background: rgba(107, 114, 128, 0.1);
    color: var(--gray-600);
}

/* Divisor na sidebar */
.sidebar-divider {
    height: 1px;
    background: var(--border-color);
    margin: var(--spacing-2) 0;
}

/* Ações em tabela */
.table-actions {
    display: flex;
    gap: var(--spacing-2);
    justify-content: flex-end;
}

.btn-table-action {
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-table-action:hover {
    background: var(--primary);
    color: white;
}

.btn-table-action.danger:hover {
    background: var(--error);
}

.btn-table-action.warning:hover {
    background: var(--warning);
}

.btn-table-action.success:hover {
    background: var(--success);
}

.btn-table-action svg {
    width: 16px;
    height: 16px;
}

/* Toolbar admin */
.admin-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-4);
    flex-wrap: wrap;
}

.admin-filters {
    display: flex;
    gap: var(--spacing-3);
    align-items: center;
    flex-wrap: wrap;
}

.admin-search {
    position: relative;
    width: 280px;
}

.admin-search input {
    padding-left: 40px;
}

.admin-search svg {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--text-secondary);
}

/* Responsivo admin */
@media (max-width: 768px) {
    .admin-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .admin-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .admin-filters {
        flex-direction: column;
        width: 100%;
    }

    .admin-search {
        width: 100%;
    }

    .table-actions {
        flex-direction: column;
        gap: var(--spacing-1);
    }
}

@media (max-width: 480px) {
    .admin-stats-grid {
        grid-template-columns: 1fr;
    }

    .admin-stat-card {
        padding: var(--spacing-4);
    }

    .admin-stat-icon {
        width: 40px;
        height: 40px;
    }

    .admin-stat-value {
        font-size: var(--font-size-xl);
    }
}

/* ==================== INTEGRAÇÃO IA - WIZARD E BOTÕES ==================== */

/* Wizard Stepper */
.wizard-stepper {
    display: flex;
    justify-content: center;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-6);
    padding: var(--spacing-4) 0;
}

.wizard-step {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    position: relative;
    transition: all var(--transition-fast);
}

.wizard-step.active {
    background: var(--primary);
    color: white;
    box-shadow: 0 0 0 4px rgba(17, 176, 177, 0.2);
}

.wizard-step.completed {
    background: var(--success);
    color: white;
}

/* Linha conectora entre steps */
.wizard-step:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 100%;
    top: 50%;
    width: var(--spacing-4);
    height: 2px;
    background: var(--border-color);
    transform: translateY(-50%);
}

.wizard-step.completed:not(:last-child)::after {
    background: var(--success);
}

/* Conteúdo do wizard */
.wizard-content {
    min-height: 200px;
}

.wizard-content h4 {
    margin-bottom: var(--spacing-4);
    color: var(--text-primary);
}

/* Opções do wizard (simplificado/completo) */
.wizard-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-4);
    margin-top: var(--spacing-4);
}

.wizard-option {
    padding: var(--spacing-6);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    background: var(--card-bg);
    cursor: pointer;
    text-align: center;
    transition: all var(--transition-fast);
}

.wizard-option:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.wizard-option.selected {
    border-color: var(--primary);
    background: rgba(17, 176, 177, 0.05);
}

.wizard-option .option-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: var(--spacing-3);
}

.wizard-option .option-title {
    font-weight: 600;
    font-size: var(--font-size-lg);
    color: var(--text-primary);
    display: block;
    margin-bottom: var(--spacing-1);
}

.wizard-option .option-desc {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* Botões IA inline */
.btn-ai {
    padding: var(--spacing-1) var(--spacing-3);
    font-size: var(--font-size-sm);
    background: linear-gradient(135deg, var(--primary) 0%, #8b5cf6 100%);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-1);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.btn-ai:hover:not(:disabled) {
    opacity: 0.9;
    transform: scale(1.02);
    box-shadow: 0 2px 8px rgba(139, 92, 246, 0.3);
}

.btn-ai:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-ai-sm {
    padding: var(--spacing-1) var(--spacing-2);
    font-size: var(--font-size-xs);
}

.btn-ai-lg {
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--font-size-base);
}

/* Input com botão IA ao lado */
.input-with-ai {
    display: flex;
    gap: var(--spacing-2);
    align-items: flex-start;
}

.input-with-ai .form-input,
.input-with-ai .form-textarea,
.input-with-ai .form-select {
    flex: 1;
}

.input-with-ai .btn-ai {
    flex-shrink: 0;
    margin-top: 1px;
}

/* Label com botão IA */
.label-with-ai {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-2);
}

.label-with-ai .form-label {
    margin-bottom: 0;
}

/* Preview de conteúdo gerado pela IA */
.ai-preview {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-4);
    margin-top: var(--spacing-4);
}

.ai-preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-3);
    padding-bottom: var(--spacing-3);
    border-bottom: 1px solid var(--border-color);
}

.ai-preview-title {
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.ai-preview-content {
    white-space: pre-wrap;
    line-height: 1.6;
    color: var(--text-primary);
}

/* Loading spinner para IA */
.ai-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-8);
    gap: var(--spacing-4);
}

.ai-loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--bg-tertiary);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.ai-loading-text {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* Sugestões de atividades */
.ai-suggestions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.ai-suggestion-item {
    padding: var(--spacing-4);
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.ai-suggestion-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.ai-suggestion-item.selected {
    border-color: var(--primary);
    background: rgba(17, 176, 177, 0.05);
}

.ai-suggestion-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-1);
}

.ai-suggestion-desc {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* Modal de criação com IA */
.ai-creator-modal .modal-body {
    padding: var(--spacing-6);
}

.ai-creator-prompt {
    margin-bottom: var(--spacing-4);
}

.ai-creator-prompt label {
    display: block;
    margin-bottom: var(--spacing-2);
    font-weight: 500;
}

/* Badge IA */
.badge-ai {
    background: linear-gradient(135deg, var(--primary) 0%, #8b5cf6 100%);
    color: white;
    font-size: var(--font-size-xs);
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-1);
}

/* Responsivo wizard */
@media (max-width: 768px) {
    .wizard-options {
        grid-template-columns: 1fr;
    }

    .wizard-option {
        padding: var(--spacing-4);
    }

    .wizard-option .option-icon {
        font-size: 2rem;
    }

    .wizard-stepper {
        gap: var(--spacing-2);
    }

    .wizard-step {
        width: 32px;
        height: 32px;
        font-size: var(--font-size-xs);
    }

    .wizard-step:not(:last-child)::after {
        width: var(--spacing-2);
    }

    .input-with-ai {
        flex-direction: column;
    }

    .input-with-ai .btn-ai {
        align-self: flex-start;
    }
}

@media (max-width: 480px) {
    .wizard-step {
        width: 28px;
        height: 28px;
    }

    .btn-ai {
        padding: var(--spacing-1) var(--spacing-2);
        font-size: var(--font-size-xs);
    }

    .label-with-ai {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-2);
    }
}