#loginBtn.logged-in {
    background: linear-gradient(90deg, var(--error), #b91c1c);
    color: #fff;
    font-weight: 700;
    border: none;
    border-radius: var(--radius-sm);
    padding: 8px 22px;
    font-size: 16px;
    box-shadow: 0 2px 12px rgba(239,68,68,0.10);
    transition: var(--transition);
    cursor: pointer;
    outline: none;
    display: flex;
    align-items: center;
    gap: 8px;
}
#loginBtn.logged-in:hover {
    background: linear-gradient(90deg, #b91c1c, var(--error));
    color: #fff;
    box-shadow: 0 4px 16px rgba(239,68,68,0.12);
    transform: translateY(-2px) scale(1.04);
}
/* Estilo para chave de crédito */
.key-redeem-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 12px 0 0 0;
}
.key-input {
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--primary);
    font-size: 15px;
    outline: none;
    background: var(--surface-light);
    color: var(--primary-dark);
    font-weight: 500;
    transition: var(--transition);
}
.redeem-key-btn {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    color: #fff;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm);
    padding: 7px 18px;
    font-size: 15px;
    box-shadow: 0 2px 8px rgba(139,92,246,0.10);
    cursor: pointer;
    transition: var(--transition);
}
.redeem-key-btn:hover {
    background: linear-gradient(90deg, var(--primary-dark), var(--secondary));
    transform: scale(1.04);
}
/* Créditos do usuário */
.user-credits {
    display: inline-flex;
    align-items: center;
    background: var(--surface-light);
    color: var(--primary-dark);
    font-weight: 600;
    font-size: 15px;
    border-radius: var(--radius-sm);
    padding: 4px 12px;
    margin-left: 12px;
    box-shadow: 0 2px 8px rgba(6,182,212,0.08);
    transition: var(--transition);
    border: 1px solid var(--primary);
}
.user-credits i {
    margin-right: 6px;
    color: var(--primary);
}

/* Botão de login estilizado */
#loginBtn.login-btn {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    color: #fff;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm);
    padding: 8px 22px;
    font-size: 16px;
    box-shadow: 0 2px 12px rgba(139,92,246,0.10);
    transition: var(--transition);
    cursor: pointer;
    outline: none;
    display: flex;
    align-items: center;
    gap: 8px;
}
#loginBtn.login-btn:hover {
    background: linear-gradient(90deg, var(--primary-dark), var(--secondary));
    color: #fff;
    box-shadow: 0 4px 16px rgba(6,182,212,0.12);
    transform: translateY(-2px) scale(1.04);
}
/* Reset e configurações básicas */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #06b6d4;
    --primary-dark: #0891b2;
    --secondary: #8b5cf6;
    --background: #0f172a;
    --surface: #1e293b;
    --surface-light: #334155;
    --text: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border: #475569;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s ease;
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

[data-theme="light"] {
    --background: #f8fafc;
    --surface: #ffffff;
    --surface-light: #f1f5f9;
    --text: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
}

html {
    scroll-behavior: smooth;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Loading overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    pointer-events: none;
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.spinner-circle {
    width: 60px;
    height: 60px;
    border: 4px solid var(--surface);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    box-shadow: 0 6px 18px rgba(6,182,212,0.12);
}

.spinner-text {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-secondary);
    animation: textPulse 1.2s ease-in-out infinite;
}

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

@keyframes textPulse {
    0% { transform: translateY(0); opacity: 0.9 }
    50% { transform: translateY(-6px); opacity: 1 }
    100% { transform: translateY(0); opacity: 0.9 }
}

/* Header */
.header {
    padding: 16px 0;
    background-color: var(--surface);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo i {
    font-size: 28px;
    color: var(--primary);
}

.logo h1, .logo h2 {
    font-size: 24px;
    font-weight: 700;
}

.logo-accent {
    color: var(--primary);
}

.nav {
    display: flex;
    gap: 24px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    padding: 8px 0;
    position: relative;
    transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
    color: var(--primary);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary);
}

.theme-toggle {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--surface-light);
    border: none;
    color: var(--text);
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: var(--transition);
}

.theme-toggle:hover {
    background-color: var(--border);
    transform: rotate(15deg);
}

/* Main content */
.main-content {
    padding: 40px 0 80px;
}

/* Hero section */
.hero {
    text-align: center;
    padding: 40px 0;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.2;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
}

.highlight {
    color: var(--primary);
    position: relative;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    width: 100%;
    height: 6px;
    background-color: rgba(6, 182, 212, 0.2);
    z-index: -1;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Platform selector */
.platform-selector {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 32px;
}

.platform-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius);
    border: 2px solid var(--border);
    background-color: var(--surface);
    color: var(--text);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.platform-btn:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

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

/* Input form */
.input-form {
    max-width: 700px;
    margin: 0 auto 40px;
}

.input-wrapper {
    position: relative;
    margin-bottom: 20px;
}

.input-icon {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 18px;
}

#inputField {
    width: 100%;
    padding: 18px 24px 18px 56px;
    font-size: 16px;
    border-radius: var(--radius);
    border: 2px solid var(--border);
    background-color: var(--surface);
    color: var(--text);
    transition: var(--transition);
}

#inputField:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}

.clear-input {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 8px;
    transition: var(--transition);
}

.clear-input:hover {
    color: var(--error);
}

.submit-btn {
    width: 100%;
    padding: 18px 24px;
    font-size: 18px;
    font-weight: 600;
    border-radius: var(--radius);
    border: none;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

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

/* Features */
.features {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 24px;
    margin-top: 32px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background-color: var(--surface);
    border-radius: var(--radius);
    color: var(--text-secondary);
    font-weight: 500;
}

.feature i {
    color: var(--primary);
}

/* Results section */
.results-section {
    margin-top: 40px;
    animation: fadeIn 0.5s ease-out;
}

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

/* Hide legacy quality selector (UI removed) */
.quality-selector { display: none !important; }

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.section-header h3 {
    font-size: 1.5rem;
}

.back-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background-color: var(--surface);
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.back-btn:hover {
    background-color: var(--surface-light);
    border-color: var(--primary);
}

/* Results list */
.results-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.result-item {
    background-color: var(--surface);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
    animation: fadeIn 0.5s ease-out;
    animation-fill-mode: both;
}

.result-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.result-item:nth-child(1) { animation-delay: 0.1s; }
.result-item:nth-child(2) { animation-delay: 0.2s; }
.result-item:nth-child(3) { animation-delay: 0.3s; }
.result-item:nth-child(4) { animation-delay: 0.4s; }
.result-item:nth-child(5) { animation-delay: 0.5s; }

.result-thumbnail {
    position: relative;
    width: 100%;
    height: 180px;
    overflow: hidden;
}

.result-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.result-item:hover .result-thumbnail img {
    transform: scale(1.05);
}

.result-duration {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background-color: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

.result-info {
    padding: 16px;
}

.result-info h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.result-channel {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 8px;
}

.result-stats {
    display: flex;
    justify-content: space-between;
    color: var(--text-muted);
    font-size: 13px;
}

/* Player area */
.player-area {
    animation: fadeIn 0.5s ease-out;
}

.player-container {
    background-color: var(--surface);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.video-wrapper {
    position: relative;
    background-color: #000;
}

.video-player {
    width: 100%;
    max-height: 600px;
    display: block;
}

/* Vertical (portrait) player for TikTok-style videos */
.video-player.vertical {
    width: auto;
    height: min(80vh, 920px);
    max-height: 80vh;
    aspect-ratio: 9/16;
    display: block;
    margin: 0 auto;
    border-radius: 12px;
    background: black;
}

.video-wrapper.vertical {
    display: flex;
    align-items: center;
    justify-content: center;
}

.player-controls {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    opacity: 0;
    transition: opacity 0.3s;
}

.video-wrapper:hover .player-controls {
    opacity: 1;
}

.control-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: var(--transition);
}

.control-btn:hover {
    background-color: var(--primary);
    transform: scale(1.1);
}

.progress-bar {
    flex: 1;
    height: 4px;
    background-color: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
    position: relative;
    cursor: pointer;
}

.progress-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0%;
    background-color: var(--primary);
    border-radius: 2px;
    transition: width 0.1s;
}

.time-display {
    color: white;
    font-size: 14px;
    font-weight: 500;
    min-width: 100px;
    text-align: center;
}

/* Video meta */
.video-meta {
    display: flex;
    padding: 24px;
    gap: 24px;
}

@media (max-width: 768px) {
    .video-meta {
        flex-direction: column;
    }
}

.meta-thumbnail {
    flex-shrink: 0;
    width: 200px;
    height: 112px;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.meta-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.meta-info {
    flex: 1;
}

.meta-info h2 {
    font-size: 1.5rem;
    margin-bottom: 12px;
    line-height: 1.3;
}

.meta-details {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 16px;
    color: var(--text-secondary);
}

.meta-details p {
    display: flex;
    align-items: center;
    gap: 6px;
}

.description {
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 24px;
    max-height: 80px;
    overflow-y: auto;
    padding-right: 8px;
}

.description::-webkit-scrollbar {
    width: 4px;
}

.description::-webkit-scrollbar-thumb {
    background-color: var(--border);
    border-radius: 2px;
}

/* Download options */
.download-options {
    background-color: var(--surface-light);
    padding: 20px;
    border-radius: var(--radius);
}

.download-options h4 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
    font-size: 1.125rem;
}

.quality-selector {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.quality-btn {
    padding: 10px 16px;
    background-color: var(--surface);
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

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

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

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    text-decoration: none;
    font-weight: 600;
    border-radius: var(--radius);
    transition: var(--transition);
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* Instructions section */
.instructions {
    margin-top: 80px;
    text-align: center;
}

.instructions h3 {
    font-size: 1.75rem;
    margin-bottom: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.step {
    background-color: var(--surface);
    padding: 30px;
    border-radius: var(--radius);
    text-align: center;
    transition: var(--transition);
}

.step:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 20px;
}

.step h4 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.step p {
    color: var(--text-secondary);
}

/* Message area */
.message-area {
    margin-top: 20px;
    padding: 16px;
    border-radius: var(--radius);
    font-weight: 500;
    text-align: center;
    animation: fadeIn 0.3s ease-out;
}

.message-area.success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border: 1px solid var(--success);
}

.message-area.error {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--error);
    border: 1px solid var(--error);
}

.message-area.info {
    background-color: rgba(6, 182, 212, 0.1);
    color: var(--primary);
    border: 1px solid var(--primary);
}

/* Footer */
.footer {
    background-color: var(--surface);
    padding: 60px 0 30px;
    margin-top: 80px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    margin-bottom: 40px;
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

.footer-description {
    color: var(--text-secondary);
    margin: 16px 0 24px;
    max-width: 300px;
}

.copyright {
    color: var(--text-muted);
    font-size: 14px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

@media (max-width: 576px) {
    .footer-links {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

.footer-column h4 {
    font-size: 1.125rem;
    margin-bottom: 20px;
    color: var(--text);
}

.footer-column a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 12px;
    transition: var(--transition);
}

.footer-column a:hover {
    color: var(--primary);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid var(--border);
    text-align: center;
}

.disclaimer {
    color: var(--text-muted);
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    max-width: 700px;
    margin: 0 auto;
}

/* Utility classes */
.hidden {
    display: none !important;
}

/* Responsive adjustments */
@media (max-width: 992px) {
    .nav {
        gap: 16px;
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
}

@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 20px;
    }
    
    .nav {
        width: 100%;
        justify-content: center;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .platform-selector {
        flex-direction: column;
        align-items: stretch;
    }
    
    .features {
        gap: 12px;
    }
    
    .feature {
        padding: 8px 12px;
        font-size: 14px;
    }
    
    .video-meta {
        padding: 16px;
    }
    
    .meta-thumbnail {
        width: 100%;
        height: 180px;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 16px;
    }
    
    .hero {
        padding: 20px 0;
    }
    
    .result-item {
        grid-template-columns: 1fr;
    }
    
    .result-thumbnail {
        height: 150px;
    }
    
    .player-controls {
        padding: 12px;
        gap: 12px;
    }
    
    .time-display {
        min-width: 80px;
        font-size: 12px;
    }
}