/**
 * Video Player Website - Complete Styling
 * Dark theme with glassmorphism effects
 */

:root {
    /* Colors */
    --primary: #ff4655;
    --primary-dark: #e63946;
    --secondary: #6c63ff;
    --bg-dark: #0f0f23;
    --bg-darker: #060612;
    --bg-card: rgba(255, 255, 255, 0.05);
    --text-primary: #ffffff;
    --text-secondary: #a8a8b3;
    --border: rgba(255, 255, 255, 0.1);
    --shadow: rgba(0, 0, 0, 0.3);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
}

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

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, var(--bg-darker) 0%, var(--bg-dark) 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Header */
header {
    background: rgba(15, 15, 35, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    padding: var(--spacing-md) var(--spacing-lg);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

nav ul {
    list-style: none;
    display: flex;
    gap: var(--spacing-lg);
}

nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

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

/* Main Container */
main {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
}

/* Sections */
section {
    margin-bottom: var(--spacing-xl);
}

h1, h2 {
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h2 {
    font-size: 1.8rem;
    color: var(--text-primary);
}

/* URL Input Section (Public Mode) */
.url-input-container {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.input-group {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

#videoUrlInput {
    flex: 1;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s;
}

#videoUrlInput:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.08);
}

#playBtn {
    padding: var(--spacing-md) var(--spacing-xl);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.3s;
}

#playBtn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 70, 85, 0.4);
}

#playBtn:active {
    transform: translateY(0);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.feature-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.feature-card h3 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Supported Platforms */
.platforms {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
}

.platform-badge {
    background: rgba(108, 99, 255, 0.2);
    color: var(--secondary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid rgba(108, 99, 255, 0.3);
}

/* Video Player Section (Special Link Mode) */
.player-container {
    max-width: 1200px;
    margin: 0 auto;
}

.video-wrapper {
    position: relative;
    background: #000;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    margin-bottom: var(--spacing-lg);
}

#videoPlayer {
    width: 100%;
    height: auto;
    min-height: 400px;
    display: block;
}

/* Video Overlays */
.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    z-index: 10;
}

.video-overlay.active {
    display: flex;
}

/* Loading Overlay */
.spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Error Overlay */
.error-content {
    text-align: center;
    padding: var(--spacing-lg);
}

.error-content h3 {
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
}

#retryBtn {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 600;
}

#retryBtn:hover {
    background: var(--primary-dark);
}

/* Play Overlay */
#bigPlayBtn {
    width: 80px;
    height: 80px;
    background: rgba(255, 70, 85, 0.9);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 2rem;
    color: white;
    transition: transform 0.3s;
}

#bigPlayBtn:hover {
    transform: scale(1.1);
    background: var(--primary);
}

/* Stats Overlay */
.stats-overlay {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    z-index: 5;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-bottom: 4px;
}

.stat-label {
    color: var(--text-secondary);
}

.stat-value {
    color: var(--primary);
    font-weight: 600;
}

/* Video Info */
.video-info {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    display: none;
}

.video-info.show {
    display: block;
}

.video-info h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.video-meta {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* FAQ Section */
.faq-container {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.faq-item {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border);
}

.faq-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.faq-item h3 {
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

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

/* Ad Zones */
.ad-zone {
    background: rgba(108, 99, 255, 0.05);
    border: 1px dashed rgba(108, 99, 255, 0.3);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    color: var(--text-secondary);
    margin: var(--spacing-lg) 0;
}

/* Footer */
footer {
    background: rgba(15, 15, 35, 0.8);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--border);
    padding: var(--spacing-lg);
    text-align: center;
    margin-top: var(--spacing-xl);
}

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

/* Responsive Design */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    
    .input-group {
        flex-direction: column;
    }
    
    #playBtn {
        width: 100%;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    nav ul {
        gap: var(--spacing-md);
    }
    
    #videoPlayer {
        min-height: 250px;
    }
}

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

section {
    animation: fadeIn 0.6s ease-out;
}

/* Keyboard Shortcuts Info */
.keyboard-shortcuts {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-top: var(--spacing-md);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.keyboard-shortcuts strong {
    color: var(--primary);
}