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

:root {
    --primary: #FF6B35;
    --primary-dark: #E55A2B;
    --secondary: #1A1A2E;
    --accent: #F7C948;
    --success: #10B981;
    --danger: #EF4444;
    --warning: #F59E0B;
    --info: #3B82F6;
    --bg: #0F0F1A;
    --bg-card: #1A1A2E;
    --bg-card-hover: #252542;
    --bg-input: #252542;
    --text: #FFFFFF;
    --text-muted: #A0A0B0;
    --text-dark: #6B6B7B;
    --border: rgba(255,255,255,0.08);
    --shadow: 0 8px 32px rgba(0,0,0,0.3);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.4);
    --radius: 16px;
    --radius-sm: 8px;
    --radius-lg: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== GRADIENT TEXT ===== */
.gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: rgba(15, 15, 26, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px; margin: 0 auto; padding: 0 24px;
    display: flex; align-items: center; justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex; align-items: center; gap: 10px;
    text-decoration: none; color: var(--text);
}

.logo-icon { font-size: 28px; }
.logo-text { font-size: 24px; font-weight: 800; letter-spacing: -0.5px; }

.nav-links { display: flex; align-items: center; gap: 8px; }

.nav-links a {
    color: var(--text-muted); text-decoration: none;
    font-weight: 500; font-size: 14px; padding: 8px 16px;
    border-radius: var(--radius-sm); transition: var(--transition);
}

.nav-links a:hover { color: var(--text); background: rgba(255,255,255,0.05); }

.btn-login {
    color: var(--text) !important; border: 1px solid var(--border);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%) !important;
    color: white !important; font-weight: 600 !important;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}

.menu-toggle {
    display: none; flex-direction: column; gap: 5px;
    background: none; border: none; cursor: pointer; padding: 8px;
}

.menu-toggle span {
    display: block; width: 24px; height: 2px;
    background: var(--text); border-radius: 2px;
    transition: var(--transition);
}

/* ===== HERO ===== */
.hero {
    min-height: 100vh; display: flex; align-items: center;
    position: relative; overflow: hidden; padding: 120px 24px 80px;
}

.hero-bg {
    position: absolute; inset: 0; z-index: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(255, 107, 53, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(247, 201, 72, 0.1) 0%, transparent 50%);
}

.hero-content { position: relative; z-index: 1; max-width: 600px; }

.hero-badge {
    display: inline-flex; align-items: center; gap: 6px;
    background: rgba(255, 107, 53, 0.15); color: var(--primary);
    padding: 6px 14px; border-radius: 50px; font-size: 13px; font-weight: 600;
    margin-bottom: 24px; border: 1px solid rgba(255, 107, 53, 0.2);
}

.hero h1 {
    font-size: clamp(36px, 5vw, 56px); font-weight: 800;
    line-height: 1.1; letter-spacing: -1px; margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 18px; color: var(--text-muted);
    margin-bottom: 32px; max-width: 480px;
}

.hero-stats {
    display: flex; gap: 32px; margin-bottom: 32px;
}

.stat { text-align: center; }
.stat-number { display: block; font-size: 28px; font-weight: 700; color: var(--primary); }
.stat-label { font-size: 13px; color: var(--text-muted); }

.hero-cta { display: flex; gap: 16px; margin-bottom: 16px; flex-wrap: wrap; }

.btn-hero {
    display: inline-flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white; text-decoration: none; padding: 16px 32px;
    border-radius: var(--radius); font-weight: 600; font-size: 16px;
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.35);
    transition: var(--transition); border: none; cursor: pointer;
}

.btn-hero:hover { transform: translateY(-3px); box-shadow: 0 12px 35px rgba(255, 107, 53, 0.45); }

.btn-ghost {
    display: inline-flex; align-items: center; justify-content: center;
    color: var(--text); text-decoration: none; padding: 16px 32px;
    border-radius: var(--radius); font-weight: 600; font-size: 16px;
    border: 1px solid var(--border); background: transparent;
    transition: var(--transition);
}

.btn-ghost:hover { background: rgba(255,255,255,0.05); border-color: rgba(255,255,255,0.15); }

.hero-note { font-size: 13px; color: var(--text-dark); }

.hero-visual {
    position: absolute; right: 5%; top: 50%; transform: translateY(-50%);
    display: flex; flex-direction: column; gap: 20px; z-index: 1;
}

.hero-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 20px 24px;
    display: flex; align-items: center; gap: 16px;
    box-shadow: var(--shadow); transition: var(--transition);
    min-width: 200px;
}

.hero-card:hover { transform: translateX(-8px); border-color: rgba(255,107,53,0.3); }

.card-icon { font-size: 32px; }
.card-title { font-weight: 600; font-size: 15px; }
.card-duration { font-size: 12px; color: var(--text-muted); margin-left: auto; }

.card-1 { animation: float 6s ease-in-out infinite; }
.card-2 { animation: float 6s ease-in-out infinite 1s; margin-left: 40px; }
.card-3 { animation: float 6s ease-in-out infinite 2s; margin-left: 20px; }

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

/* ===== SECTIONS ===== */
.section-header { text-align: center; margin-bottom: 48px; }

.section-badge {
    display: inline-flex; align-items: center; gap: 6px;
    background: rgba(255, 107, 53, 0.1); color: var(--primary);
    padding: 6px 16px; border-radius: 50px; font-size: 13px; font-weight: 600;
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: clamp(28px, 4vw, 40px); font-weight: 800;
    letter-spacing: -0.5px; margin-bottom: 12px;
}

.section-header p { color: var(--text-muted); font-size: 16px; max-width: 500px; margin: 0 auto; }

/* ===== CURSOS ===== */
.cursos-section { padding: 100px 0; background: linear-gradient(180deg, var(--bg) 0%, rgba(26,26,46,0.5) 50%, var(--bg) 100%); }

.cursos-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.curso-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-lg); overflow: hidden;
    transition: var(--transition); cursor: pointer;
}

.curso-card:hover {
    transform: translateY(-8px); border-color: rgba(255,107,53,0.3);
    box-shadow: var(--shadow-lg);
}

.curso-thumb {
    position: relative; height: 200px; overflow: hidden;
    background: linear-gradient(135deg, var(--secondary) 0%, #2D2D4A 100%);
    display: flex; align-items: center; justify-content: center;
}

.curso-thumb img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.curso-card:hover .curso-thumb img { transform: scale(1.05); }

.curso-play {
    position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
    background: rgba(0,0,0,0.3); opacity: 0; transition: var(--transition);
}

.curso-card:hover .curso-play { opacity: 1; }

.play-btn {
    width: 60px; height: 60px; border-radius: 50%;
    background: rgba(255,255,255,0.95); display: flex; align-items: center; justify-content: center;
    font-size: 24px; color: var(--primary); box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    transition: var(--transition);
}

.play-btn:hover { transform: scale(1.1); }

.curso-badge {
    position: absolute; top: 12px; left: 12px;
    background: var(--primary); color: white;
    padding: 4px 12px; border-radius: 50px; font-size: 11px; font-weight: 600;
}

.curso-info { padding: 24px; }

.curso-info h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.curso-info p { font-size: 14px; color: var(--text-muted); margin-bottom: 16px; line-height: 1.5; }

.curso-meta {
    display: flex; align-items: center; gap: 16px;
    font-size: 13px; color: var(--text-dark); margin-bottom: 16px;
}

.curso-meta span { display: flex; align-items: center; gap: 4px; }

.curso-footer {
    display: flex; align-items: center; justify-content: space-between;
    padding-top: 16px; border-top: 1px solid var(--border);
}

.curso-price { font-size: 22px; font-weight: 700; color: var(--primary); }

.btn-curso {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white; text-decoration: none; padding: 10px 20px;
    border-radius: var(--radius-sm); font-weight: 600; font-size: 13px;
    transition: var(--transition); border: none; cursor: pointer;
}

.btn-curso:hover { transform: translateY(-2px); box-shadow: 0 4px 15px rgba(255,107,53,0.3); }

/* ===== HOW SECTION ===== */
.how-section { padding: 100px 0; }

.steps-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px;
}

.step-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-lg); padding: 40px 32px;
    text-align: center; transition: var(--transition); position: relative;
}

.step-card:hover { border-color: rgba(255,107,53,0.3); transform: translateY(-4px); }

.step-number {
    position: absolute; top: -16px; left: 50%; transform: translateX(-50%);
    width: 40px; height: 40px; border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white; display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 16px; box-shadow: 0 4px 15px rgba(255,107,53,0.3);
}

.step-icon { font-size: 48px; margin-bottom: 16px; }
.step-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.step-card p { color: var(--text-muted); font-size: 14px; }

/* ===== FOOTER ===== */
.footer { background: var(--bg-card); border-top: 1px solid var(--border); padding: 60px 0 24px; }

.footer-grid {
    display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; margin-bottom: 40px;
}

.footer-brand p { color: var(--text-muted); font-size: 14px; margin-top: 12px; max-width: 280px; }

.footer-links h4 { font-size: 16px; font-weight: 600; margin-bottom: 16px; }
.footer-links a, .footer-links p { display: block; color: var(--text-muted); text-decoration: none; font-size: 14px; padding: 6px 0; transition: var(--transition); }
.footer-links a:hover { color: var(--primary); }

.footer-bottom { text-align: center; padding-top: 24px; border-top: 1px solid var(--border); }
.footer-bottom p { color: var(--text-dark); font-size: 13px; }

/* ===== FORMS (Login, Cadastro, etc) ===== */
.auth-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 80px 24px; background: var(--bg); }

.auth-container { width: 100%; max-width: 440px; }

.auth-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-lg); padding: 40px 32px;
    box-shadow: var(--shadow-lg);
}

.auth-header { text-align: center; margin-bottom: 32px; }
.auth-header .logo { justify-content: center; margin-bottom: 16px; }
.auth-header h1 { font-size: 24px; font-weight: 700; margin-bottom: 8px; }
.auth-header p { color: var(--text-muted); font-size: 14px; }

.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 8px; color: var(--text-muted); }
.form-group input, .form-group select {
    width: 100%; padding: 14px 16px; background: var(--bg-input);
    border: 1px solid var(--border); border-radius: var(--radius-sm);
    color: var(--text); font-size: 14px; font-family: var(--font);
    transition: var(--transition);
}
.form-group input:focus, .form-group select:focus {
    outline: none; border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255,107,53,0.1);
}
.form-group input::placeholder { color: var(--text-dark); }

.btn-submit {
    width: 100%; padding: 14px; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white; border: none; border-radius: var(--radius-sm);
    font-weight: 600; font-size: 15px; cursor: pointer;
    transition: var(--transition); font-family: var(--font);
}

.btn-submit:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255,107,53,0.35); }
.btn-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.auth-footer { text-align: center; margin-top: 24px; font-size: 14px; color: var(--text-muted); }
.auth-footer a { color: var(--primary); text-decoration: none; font-weight: 500; }
.auth-footer a:hover { text-decoration: underline; }

/* ===== DASHBOARD ===== */
.dashboard-page { min-height: 100vh; background: var(--bg); padding-top: 72px; }

.dashboard-header {
    background: var(--bg-card); border-bottom: 1px solid var(--border);
    padding: 24px 0; margin-bottom: 32px;
}

.dashboard-header h1 { font-size: 24px; font-weight: 700; }
.dashboard-header p { color: var(--text-muted); font-size: 14px; margin-top: 4px; }

.dashboard-grid {
    display: grid; grid-template-columns: 280px 1fr; gap: 24px;
}

.sidebar {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 20px; height: fit-content;
    position: sticky; top: 88px;
}

.sidebar-user { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; padding-bottom: 20px; border-bottom: 1px solid var(--border); }
.sidebar-avatar { width: 44px; height: 44px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--accent)); display: flex; align-items: center; justify-content: center; font-size: 18px; font-weight: 700; }
.sidebar-name { font-weight: 600; font-size: 14px; }
.sidebar-email { font-size: 12px; color: var(--text-dark); }

.sidebar-menu { list-style: none; }
.sidebar-menu li { margin-bottom: 4px; }
.sidebar-menu a {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 12px; border-radius: var(--radius-sm);
    color: var(--text-muted); text-decoration: none; font-size: 14px;
    transition: var(--transition);
}
.sidebar-menu a:hover, .sidebar-menu a.active { background: rgba(255,107,53,0.1); color: var(--primary); }
.sidebar-menu a.active { font-weight: 600; }

.sidebar-menu .menu-icon { font-size: 18px; width: 24px; text-align: center; }

.main-content { min-height: calc(100vh - 200px); }

/* Cards Dashboard */
.stats-row {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 20px;
    transition: var(--transition);
}

.stat-card:hover { border-color: rgba(255,255,255,0.12); }
.stat-card .stat-icon { font-size: 24px; margin-bottom: 8px; }
.stat-card .stat-value { font-size: 28px; font-weight: 700; color: var(--primary); }
.stat-card .stat-label { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

/* Meus Cursos */
.meus-cursos-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px;
}

.meu-curso-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); overflow: hidden; transition: var(--transition);
}

.meu-curso-card:hover { border-color: rgba(255,107,53,0.3); }
.meu-curso-card .curso-thumb { height: 160px; }
.meu-curso-card .curso-info { padding: 20px; }

.progress-bar {
    height: 6px; background: var(--bg-input); border-radius: 3px; margin-top: 12px; overflow: hidden;
}
.progress-fill { height: 100%; background: linear-gradient(90deg, var(--primary), var(--accent)); border-radius: 3px; transition: width 0.5s ease; }

.progress-text { font-size: 12px; color: var(--text-muted); margin-top: 6px; }

/* Aula Player */
.aula-player {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 24px;
}

.aula-video {
    position: relative; padding-bottom: 56.25%; background: #000;
}

.aula-video iframe {
    position: absolute; inset: 0; width: 100%; height: 100%; border: none;
}

.aula-info { padding: 24px; }
.aula-info h2 { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.aula-info p { color: var(--text-muted); font-size: 14px; }

.aula-lista {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); overflow: hidden;
}

.aula-item {
    display: flex; align-items: center; gap: 16px;
    padding: 16px 20px; border-bottom: 1px solid var(--border);
    cursor: pointer; transition: var(--transition);
}

.aula-item:last-child { border-bottom: none; }
.aula-item:hover { background: rgba(255,255,255,0.03); }
.aula-item.active { background: rgba(255,107,53,0.08); border-left: 3px solid var(--primary); }

.aula-numero { width: 32px; height: 32px; border-radius: 50%; background: var(--bg-input); display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 600; flex-shrink: 0; }
.aula-item.active .aula-numero { background: var(--primary); color: white; }
.aula-item.completed .aula-numero { background: var(--success); color: white; }

.aula-titulo { font-weight: 500; font-size: 14px; }
.aula-duracao { font-size: 12px; color: var(--text-dark); margin-left: auto; }

/* ===== PAGAMENTO ===== */
.pagamento-container { max-width: 600px; margin: 0 auto; }

.pagamento-resumo {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 24px; margin-bottom: 24px;
}

.pagamento-resumo h3 { font-size: 16px; font-weight: 600; margin-bottom: 16px; }

.resumo-item { display: flex; justify-content: space-between; padding: 8px 0; font-size: 14px; }
.resumo-item.total { border-top: 1px solid var(--border); padding-top: 12px; margin-top: 8px; font-weight: 700; font-size: 16px; }
.resumo-item.total span { color: var(--primary); }

.pagamento-metodos { display: flex; gap: 12px; margin-bottom: 24px; }

.metodo-btn {
    flex: 1; padding: 16px; background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-sm); color: var(--text-muted); cursor: pointer;
    transition: var(--transition); text-align: center; font-family: var(--font);
}

.metodo-btn:hover { border-color: rgba(255,255,255,0.15); }
.metodo-btn.active { border-color: var(--primary); color: var(--primary); background: rgba(255,107,53,0.08); }
.metodo-btn .metodo-icon { font-size: 24px; display: block; margin-bottom: 8px; }
.metodo-btn .metodo-label { font-size: 13px; font-weight: 500; }

.pix-info {
    background: rgba(16, 185, 129, 0.08); border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-sm); padding: 20px; text-align: center;
}

.pix-qrcode { width: 200px; height: 200px; margin: 0 auto 16px; background: white; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; }
.pix-qrcode img { max-width: 180px; max-height: 180px; }

.pix-code { font-family: monospace; font-size: 12px; background: var(--bg-input); padding: 12px; border-radius: var(--radius-sm); word-break: break-all; margin-bottom: 12px; color: var(--text-muted); }

.btn-copy {
    background: var(--bg-input); border: 1px solid var(--border); color: var(--text);
    padding: 8px 16px; border-radius: var(--radius-sm); cursor: pointer;
    font-family: var(--font); font-size: 13px; transition: var(--transition);
}

.btn-copy:hover { border-color: var(--primary); color: var(--primary); }

/* ===== TOAST ===== */
.toast-container {
    position: fixed; top: 88px; right: 24px; z-index: 9999;
    display: flex; flex-direction: column; gap: 8px;
}

.toast {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 16px 20px;
    box-shadow: var(--shadow-lg); display: flex; align-items: center; gap: 12px;
    min-width: 300px; max-width: 400px; animation: slideIn 0.3s ease;
}

.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--danger); }
.toast.warning { border-left: 3px solid var(--warning); }
.toast.info { border-left: 3px solid var(--info); }

.toast-icon { font-size: 20px; }
.toast-content { flex: 1; }
.toast-title { font-weight: 600; font-size: 14px; margin-bottom: 2px; }
.toast-message { font-size: 13px; color: var(--text-muted); }
.toast-close { background: none; border: none; color: var(--text-dark); cursor: pointer; font-size: 18px; padding: 0; }

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

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

/* ===== LOADING ===== */
.loading-overlay {
    position: fixed; inset: 0; background: rgba(15,15,26,0.9);
    display: flex; align-items: center; justify-content: center; z-index: 9998;
    backdrop-filter: blur(4px);
}

.loading-spinner {
    width: 48px; height: 48px; border: 3px solid var(--border);
    border-top-color: var(--primary); border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .hero-visual { display: none; }
    .dashboard-grid { grid-template-columns: 1fr; }
    .sidebar { position: static; }
    .stats-row { grid-template-columns: repeat(2, 1fr); }

@media (max-width: 768px) {
    .nav-links { display: none; position: absolute; top: 72px; left: 0; right: 0; background: var(--bg-card); flex-direction: column; padding: 16px; border-bottom: 1px solid var(--border); }
    .nav-links.active { display: flex; }
    .menu-toggle { display: flex; }
    .hero { padding: 100px 16px 60px; }
    .hero-stats { gap: 20px; }
    .hero-cta { flex-direction: column; }
    .btn-hero, .btn-ghost { width: 100%; }
    .cursos-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .stats-row { grid-template-columns: 1fr; }
    .pagamento-metodos { flex-direction: column; }
    .auth-card { padding: 32px 20px; }
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--bg-card); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dark); }

/* ===== SELECTION ===== */
::selection { background: rgba(255, 107, 53, 0.3); color: var(--text); }


/* ===== IMAGEM FALLBACK ===== */
img {
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--secondary) 100%);
    min-height: 160px;
}

img::before {
    content: '🎬';
    display: block;
    text-align: center;
    font-size: 48px;
    padding: 40px 0;
    color: var(--text-muted);
}

.curso-thumb img {
    object-fit: cover;
    background: linear-gradient(135deg, #1A1A2E 0%, #2D2D4A 100%);
}