/**
 * MembroPro - Estilo SCI-IA
 * Identidade Visual Verde (#6fe600) / Cyan (#00ffff)
 * Baseado no tema do SCI-IA (ia.govsistemas)
 */

/* ===================================
   VARIÁVEIS E RESET
   =================================== */

:root {
    /* =============================================
       PALETA DE CORES - MODO CLARO (PADRÃO)
       ============================================= */

    /* Cores do tema claro (baseado no SCI-IA) */
    --day-bg: #E8E8E8;
    --day-card: #FFFFFF;
    --day-text: #1a1a1a;
    --day-subtext: #666666;
    --day-btn: #2D2D2D;
    --day-btn-hover: #1a1a1a;
    --day-border: #ccc;

    /* Cores do tema escuro (baseado no SCI-IA) */
    --night-bg: #1e1e1e;
    --night-card: #2d2d2d;
    --night-card-hover: #383838;
    --night-border: #3a3a3a;
    --night-text: #ffffff;
    --night-subtext: #888888;
    --night-btn: #3a3a3a;
    --night-btn-hover: #4a4a4a;

    /* Cores de Destaque - Identidade SCI-IA */
    --accent-green: #6fe600;
    --accent-green-hover: #5bc700;
    --accent-green-dark: #4da600;
    --accent-cyan: #00ffff;
    --accent-yellow: #faee21;

    /* Cores Semânticas */
    --color-danger: #f87171;
    --color-danger-hover: #ef4444;
    --color-success: #6fe600;
    --color-warning: #facc15;
    --color-info: #60a5fa;

    /* Variáveis Dinâmicas (Modo Claro por padrão) */
    --bg-primary: var(--day-bg);
    --bg-secondary: var(--day-card);
    --bg-tertiary: #f1f5f9;
    --bg-card: var(--day-card);
    --text-primary: var(--day-text);
    --text-secondary: var(--day-subtext);
    --text-muted: #888888;
    --border-color: var(--day-border);
    --input-bg: var(--day-card);
    --card-shadow: 0 1px 3px rgba(0,0,0,0.08);
    --card-shadow-hover: 0 10px 40px rgba(0,0,0,0.12);

    /* Tipografia */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Bordas */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
}

/* =============================================
   PALETA DE CORES - MODO ESCURO
   ============================================= */
[data-theme="dark"] {
    /* Cores de Fundo e Estrutura */
    --bg-primary: var(--night-bg);
    --bg-secondary: var(--night-card);
    --bg-tertiary: var(--night-card-hover);
    --bg-card: var(--night-card);

    /* Cores de Texto */
    --text-primary: var(--night-text);
    --text-secondary: var(--night-subtext);
    --text-muted: #6c757d;

    /* Bordas e Inputs */
    --border-color: var(--night-border);
    --input-bg: var(--night-card);

    /* Sombras */
    --card-shadow: 0 1px 3px rgba(0,0,0,0.4);
    --card-shadow-hover: 0 10px 40px rgba(0,0,0,0.5);
}

/* Google Fonts - Inter */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    transition: background-color 0.3s ease, color 0.3s ease;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* ===================================
   SCROLLBAR PERSONALIZADA
   =================================== */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Dark mode scrollbar */
[data-theme="dark"] ::-webkit-scrollbar-track {
    background: #1e1e1e;
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: #3a3a3a;
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: #4a4a4a;
}

/* ===================================
   LAYOUT PRINCIPAL
   =================================== */

.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ===================================
   HEADER
   =================================== */

.main-header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 0 1.5rem;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.header-container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--accent-green), var(--accent-cyan));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-email {
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: none;
}

@media (min-width: 640px) {
    .user-email {
        display: block;
    }
}

/* Theme Toggle */
.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-lg);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    color: var(--text-secondary);
}

.theme-toggle:hover {
    background: rgba(111, 230, 0, 0.1);
    border-color: var(--accent-green);
    color: var(--accent-green);
    transform: scale(1.05);
}

.theme-toggle:active {
    transform: scale(0.95);
}

.icon-sun {
    display: none;
    color: #facc15;
}

.icon-moon {
    display: block;
}

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

[data-theme="dark"] .icon-moon {
    display: none;
}

/* Navigation Buttons */
.nav-btn {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-lg);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.nav-btn-admin {
    background: var(--accent-green);
    color: #1a1a1a;
}

.nav-btn-admin:hover {
    background: var(--accent-green-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(111, 230, 0, 0.4);
}

.nav-btn-logout {
    background: var(--bg-tertiary);
    color: var(--color-danger);
    border: 1px solid var(--border-color);
}

.nav-btn-logout:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--color-danger);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

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

.nav-text {
    display: none;
}

@media (min-width: 640px) {
    .nav-text {
        display: inline;
    }
}

/* ===================================
   CONTEÚDO PRINCIPAL
   =================================== */

.main-content {
    flex: 1;
    padding: 1.5rem;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

@media (min-width: 768px) {
    .main-content {
        padding: 2rem;
    }
}

/* ===================================
   FOOTER
   =================================== */

.main-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 1.5rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
    transition: background-color 0.3s ease;
}

/* ===================================
   CARDS
   =================================== */

.card {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.card-hover-lift:hover {
    transform: translateY(-8px) scale(1.02);
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.card-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Course Card */
.course-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding: 0;
}

.course-card-image {
    width: 100%;
    height: 160px;
    object-fit: cover;
    background: linear-gradient(135deg, var(--accent-green), var(--accent-cyan));
}

.course-card-body {
    padding: 1.25rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.course-card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.course-card-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.course-card-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Progress Bar */
.progress-container {
    width: 100%;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.progress-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.progress-value {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent-green);
}

.progress-track {
    width: 100%;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-green), var(--accent-cyan));
    border-radius: var(--radius-full);
    transition: width 0.5s ease;
}

.progress-detail {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* ===================================
   BOTÕES
   =================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--accent-green);
    color: #1a1a1a;
}

.btn-primary:hover:not(:disabled) {
    background: var(--accent-green-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(111, 230, 0, 0.4);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

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

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

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

.btn-outline:hover:not(:disabled) {
    background: var(--bg-tertiary);
    border-color: var(--accent-green);
    color: var(--accent-green);
}

.btn-outline-primary {
    border-color: var(--accent-green);
    color: var(--accent-green);
}

.btn-outline-primary:hover:not(:disabled) {
    background: var(--accent-green);
    color: #1a1a1a;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: var(--radius-lg);
}

/* ===================================
   FORMULÁRIOS
   =================================== */

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

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    background: var(--input-bg);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent-green);
    box-shadow: 0 0 0 3px rgba(111, 230, 0, 0.3);
}

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

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

.form-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.form-error {
    font-size: 0.75rem;
    color: var(--color-danger);
    margin-top: 0.25rem;
}

/* Input with Icon */
.input-icon-wrapper {
    position: relative;
}

.input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.input-icon-wrapper .form-input {
    padding-left: 2.75rem;
}

/* Toggle Switch */
.toggle-wrapper {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.toggle {
    position: relative;
    width: 44px;
    height: 24px;
    cursor: pointer;
}

.toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-track {
    position: absolute;
    inset: 0;
    background: var(--border-color);
    border-radius: var(--radius-full);
    transition: background-color 0.2s ease;
}

.toggle-thumb {
    position: absolute;
    left: 2px;
    top: 2px;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    transition: transform 0.2s ease;
}

.toggle input:checked + .toggle-track {
    background: var(--accent-green);
}

.toggle input:checked + .toggle-track + .toggle-thumb {
    transform: translateX(20px);
}

/* ===================================
   ALERTAS
   =================================== */

.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-lg);
    margin-bottom: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.875rem;
}

.alert-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

.alert-success {
    background: rgba(111, 230, 0, 0.1);
    border: 1px solid rgba(111, 230, 0, 0.3);
    color: var(--accent-green-dark);
}

[data-theme="dark"] .alert-success {
    background: rgba(111, 230, 0, 0.15);
    color: var(--accent-green);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #dc2626;
}

[data-theme="dark"] .alert-error {
    background: rgba(239, 68, 68, 0.15);
    color: #fca5a5;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: #d97706;
}

[data-theme="dark"] .alert-warning {
    background: rgba(245, 158, 11, 0.15);
    color: #fcd34d;
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: #2563eb;
}

[data-theme="dark"] .alert-info {
    background: rgba(59, 130, 246, 0.15);
    color: #93c5fd;
}

/* ===================================
   TABELAS
   =================================== */

.table-container {
    overflow-x: auto;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

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

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

.table th {
    background: var(--bg-tertiary);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
}

.table td {
    font-size: 0.875rem;
    color: var(--text-primary);
}

.table tr:last-child td {
    border-bottom: none;
}

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

/* ===================================
   BADGES
   =================================== */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}

.badge-success {
    background: rgba(111, 230, 0, 0.1);
    color: var(--accent-green-dark);
}

[data-theme="dark"] .badge-success {
    background: rgba(111, 230, 0, 0.2);
    color: var(--accent-green);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
}

[data-theme="dark"] .badge-danger {
    background: rgba(239, 68, 68, 0.2);
    color: #fca5a5;
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: #d97706;
}

.badge-info {
    background: rgba(59, 130, 246, 0.1);
    color: #2563eb;
}

.badge-admin {
    background: var(--accent-yellow);
    color: #1a1a1a;
}

[data-theme="dark"] .badge-admin {
    background: rgba(250, 238, 33, 0.2);
    color: var(--accent-yellow);
}

/* ===================================
   DASHBOARD
   =================================== */

.dashboard-header {
    margin-bottom: 2rem;
}

.dashboard-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.dashboard-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 1.5rem;
}

@media (min-width: 640px) {
    .courses-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .courses-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1280px) {
    .courses-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ===================================
   PLAYER DE CURSO
   =================================== */

.course-player {
    display: flex;
    min-height: calc(100vh - 64px);
    background: var(--bg-primary);
    gap: 0;
}

/* Sidebar */
.player-sidebar {
    width: 280px;
    min-width: 280px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0;
    top: 64px;
    bottom: 0;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    z-index: 50;
    overflow-y: auto;
}

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

@media (min-width: 1024px) {
    .player-sidebar {
        position: sticky;
        top: 64px;
        height: calc(100vh - 64px);
        transform: translateX(0);
    }
}

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

@media (min-width: 1024px) {
    .sidebar-mobile-header {
        display: none;
    }
}

.btn-close-sidebar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
}

.btn-open-sidebar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    margin-bottom: 1rem;
}

@media (min-width: 1024px) {
    .btn-open-sidebar {
        display: none;
    }
}

.btn-back {
    margin: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.btn-back:hover {
    background: rgba(111, 230, 0, 0.1);
    color: var(--accent-green);
}

/* Course Progress Bar */
.course-progress-bar {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

/* Course Navigation */
.course-nav {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
}

.course-nav-header {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--text-primary);
    padding: 0.75rem;
    margin-bottom: 0.5rem;
}

.module-nav {
    margin-bottom: 0.5rem;
}

.module-nav-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
}

.module-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-green);
    border-radius: 50%;
}

.lessons-nav {
    margin-left: 1rem;
}

.lesson-nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 0.75rem;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
    margin-bottom: 2px;
}

.lesson-nav-item:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.lesson-nav-item.active {
    background: rgba(111, 230, 0, 0.1);
    color: var(--accent-green);
    font-weight: 500;
}

[data-theme="dark"] .lesson-nav-item.active {
    background: rgba(111, 230, 0, 0.2);
}

.lesson-nav-item.completed {
    color: var(--accent-green);
}

.lesson-nav-item .check-icon {
    color: var(--accent-green);
}

.lesson-dot {
    width: 6px;
    height: 6px;
    background: var(--border-color);
    border-radius: 50%;
    flex-shrink: 0;
}

/* Player Main */
.player-main {
    flex: 1;
    padding: 1rem;
    max-width: none;
    margin: 0;
}

@media (min-width: 1024px) {
    .player-main {
        padding: 1rem 1.5rem 1rem 1rem;
    }
}

/* Video Container */
.video-container {
    background: #000;
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin-bottom: 1rem;
    width: 100%;
    aspect-ratio: 16/9;
}

@media (min-width: 1024px) {
    .video-container {
        height: calc(100vh - 200px);
        min-height: 500px;
        max-height: 800px;
        aspect-ratio: unset;
    }
}

.video-container iframe {
    width: 100%;
    height: 100%;
}

/* Lesson Info */
.lesson-info {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
}

.lesson-title-centered {
    text-align: center;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.lesson-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.lesson-indicator {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
}

.lesson-separator {
    color: var(--border-color);
}

.btn-nav-mini {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-green);
    padding: 0.375rem 0.75rem;
    border: 1px solid var(--accent-green);
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.btn-nav-mini:hover {
    background: var(--accent-green);
    color: #1a1a1a;
}

.btn-nav-disabled {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    opacity: 0.4;
    padding: 0.375rem 0.75rem;
}

.btn-status {
    background: transparent;
    border: 2px solid var(--border-color);
    padding: 0.375rem 0.875rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.btn-status:hover {
    border-color: var(--accent-green);
    color: var(--accent-green);
}

.btn-status.completed {
    background: var(--accent-green) !important;
    border-color: var(--accent-green) !important;
    color: #1a1a1a !important;
}

.lesson-description {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Materials */
.materials-section {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.materials-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.materials-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.material-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.material-link:hover {
    background: var(--accent-green);
    color: #1a1a1a;
}

/* ===================================
   PÁGINA DE LOGIN
   =================================== */

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

.login-form-side {
    flex: 1;
    background: var(--night-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.login-brand-side {
    flex: 1;
    background: linear-gradient(135deg, var(--accent-green) 0%, var(--accent-cyan) 100%);
    background-size: 200% 200%;
    animation: gradientMove 8s ease infinite;
    display: none;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

@keyframes gradientMove {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@media (min-width: 1024px) {
    .login-brand-side {
        display: flex;
    }
}

.login-form-container {
    width: 100%;
    max-width: 400px;
}

.login-header {
    margin-bottom: 2rem;
}

.login-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.5rem;
}

.login-subtitle {
    color: #888;
    font-size: 0.9375rem;
}

.login-form .form-input {
    background: var(--night-card);
    border-color: var(--night-border);
    color: white;
}

.login-form .form-input:focus {
    border-color: var(--accent-green);
    box-shadow: 0 0 0 3px rgba(111, 230, 0, 0.3);
}

.login-form .form-input::placeholder {
    color: #666;
}

.login-form .form-label {
    color: #ccc;
}

.login-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.login-remember {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #888;
    font-size: 0.875rem;
}

.login-forgot {
    color: var(--accent-green);
    font-size: 0.875rem;
    transition: color 0.2s ease;
}

.login-forgot:hover {
    color: var(--accent-cyan);
}

.login-footer {
    margin-top: 2rem;
    text-align: center;
    color: #666;
    font-size: 0.875rem;
}

/* Brand Side Decorations */
.brand-circle {
    position: absolute;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.brand-content {
    position: relative;
    z-index: 10;
    text-align: center;
}

.brand-logo {
    font-size: 3rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 1rem;
}

.brand-tagline {
    font-size: 1.125rem;
    color: #1a1a1a;
    max-width: 300px;
}

/* Float Animation */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
}

.float-animation {
    animation: float 6s ease-in-out infinite;
}

/* ===================================
   ADMIN LAYOUT
   =================================== */

.admin-layout {
    display: flex;
    min-height: calc(100vh - 64px);
    gap: 0;
}

.admin-sidebar {
    width: 220px;
    min-width: 220px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: 1rem 0.75rem;
    position: fixed;
    left: 0;
    top: 64px;
    bottom: 0;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    z-index: 40;
    overflow-y: auto;
}

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

@media (min-width: 1024px) {
    .admin-sidebar {
        position: relative;
        top: 0;
        height: auto;
        min-height: calc(100vh - 64px);
        transform: translateX(0);
        width: 220px;
        min-width: 220px;
    }
}

.admin-nav-section {
    margin-bottom: 1.5rem;
}

.admin-nav-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    padding: 0 0.75rem;
    margin-bottom: 0.5rem;
}

.admin-nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    margin-bottom: 2px;
}

.admin-nav-item:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.admin-nav-item.active {
    background: rgba(111, 230, 0, 0.1);
    color: var(--accent-green);
    font-weight: 500;
}

[data-theme="dark"] .admin-nav-item.active {
    background: rgba(111, 230, 0, 0.2);
}

.admin-content {
    flex: 1;
    padding: 1.25rem;
    min-width: 0;
}

@media (min-width: 1024px) {
    .admin-content {
        padding: 1.25rem 1.5rem;
    }
}

.admin-header {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

@media (min-width: 640px) {
    .admin-header {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

.admin-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* Menu Toggle Mobile */
.menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-lg);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    cursor: pointer;
    color: var(--text-secondary);
}

@media (min-width: 1024px) {
    .menu-toggle {
        display: none;
    }
}

/* Overlay Mobile */
.sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 30;
    display: none;
}

.sidebar-overlay.active {
    display: block;
}

@media (min-width: 1024px) {
    .sidebar-overlay {
        display: none !important;
    }
}

/* ===================================
   COMPATIBILIDADE NEO-BRUTALISM
   Classes para manter compatibilidade
   =================================== */

.neo-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
}

.neo-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.neo-btn-primary {
    background: var(--accent-green);
    color: #1a1a1a;
}

.neo-btn-primary:hover {
    background: var(--accent-green-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(111, 230, 0, 0.4);
}

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

.neo-btn-secondary:hover {
    background: var(--border-color);
}

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

.neo-btn-danger:hover {
    background: var(--color-danger-hover);
}

.neo-btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
}

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

.neo-input {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    background: var(--input-bg);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.neo-input:focus {
    outline: none;
    border-color: var(--accent-green);
    box-shadow: 0 0 0 3px rgba(111, 230, 0, 0.3);
}

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

.neo-textarea-small {
    min-height: 80px;
}

.neo-input-small {
    width: 120px;
}

/* ===================================
   UTILITÁRIOS
   =================================== */

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--accent-green); }
.text-danger { color: var(--color-danger); }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.font-bold { font-weight: 700; }
.font-medium { font-weight: 500; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }

.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-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }
.flex-wrap { flex-wrap: wrap; }

.hidden { display: none; }
.block { display: block; }

.w-full { width: 100%; }

.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }

.no-content {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
}

/* Grid */
.grid {
    display: grid;
}

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

@media (min-width: 640px) {
    .sm\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
    .md\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1024px) {
    .lg\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
}

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

@media (max-width: 639px) {
    .main-header {
        padding: 0 1rem;
    }

    .main-content {
        padding: 1rem;
    }

    .card {
        padding: 1rem;
    }
}

/* ===================================
   ADMIN COURSES GRID
   =================================== */

.courses-admin-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 640px) {
    .courses-admin-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .courses-admin-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.course-admin-card {
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.course-admin-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--card-shadow-hover);
    border-color: var(--accent-green);
}

.course-admin-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.course-admin-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--accent-green), var(--accent-cyan));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1a1a1a;
}

.course-admin-status {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
}

.course-admin-status.active {
    background: rgba(111, 230, 0, 0.1);
    color: var(--accent-green);
}

.course-admin-status.inactive {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-danger);
}

.course-admin-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.course-admin-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.course-admin-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.course-admin-actions {
    display: flex;
    gap: 0.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.course-admin-actions .btn {
    flex: 1;
}

.course-admin-actions .btn:first-child {
    flex: 0;
}

.inline-form {
    display: inline;
    flex: 0;
}

.inline-form .btn {
    flex: unset;
}

/* Admin Header Fix */
.admin-header > div {
    display: flex;
    align-items: center;
    gap: 1rem;
}

@media (min-width: 1024px) {
    .admin-content {
        margin-left: 0;
    }
}