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

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

:root {
    --bg-primary: #000000;
    --bg-glass: rgba(255, 255, 255, 0.025);
    --bg-glass-hover: rgba(255, 255, 255, 0.04);
    --bg-glass-active: rgba(255, 255, 255, 0.06);
    --glass-border: rgba(255, 255, 255, 0.06);
    --glass-border-hover: rgba(255, 255, 255, 0.12);
    --text-primary: rgba(255, 255, 255, 0.92);
    --text-secondary: rgba(255, 255, 255, 0.5);
    --text-tertiary: rgba(255, 255, 255, 0.35);
    --accent-blue: #2997ff;
    --accent-blue-light: #64d2ff;
    --accent-purple: #bf5af2;
    --accent-green: #30d158;
    --accent-orange: #ff9f0a;
    --accent-red: #ff453a;
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 22px;
    --radius-xl: 28px;
    --blur-glass: blur(50px) saturate(180%);
    --blur-heavy: blur(80px) saturate(220%);
    --shadow-glow: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-lift: 0 20px 60px rgba(0, 0, 0, 0.6);
    --transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-smooth: all 0.7s cubic-bezier(0.08, 0.82, 0.17, 1);
}

body {
    background: var(--bg-primary);
    min-height: 100vh;
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text-primary);
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(ellipse 60% 40% at 15% 0%, rgba(41, 151, 255, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse 50% 35% at 85% 5%, rgba(191, 90, 242, 0.06) 0%, transparent 45%),
        radial-gradient(ellipse 70% 50% at 50% 100%, rgba(48, 209, 88, 0.04) 0%, transparent 40%),
        radial-gradient(ellipse 40% 30% at 90% 95%, rgba(255, 159, 10, 0.03) 0%, transparent 35%);
    pointer-events: none;
    z-index: -2;
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, transparent 0%, rgba(0,0,0,0.3) 100%);
    pointer-events: none;
    z-index: -1;
}

.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px 60px;
    position: relative;
    z-index: 1;
}

.hero-content {
    text-align: center;
    max-width: 520px;
    width: 100%;
    animation: fadeInUp 1s cubic-bezier(0.08, 0.82, 0.17, 1) forwards;
    opacity: 0;
    transform: translateY(30px);
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.app-title {
    font-size: 2rem;
    font-weight: 600;
    letter-spacing: -0.04em;
    margin-bottom: 8px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    text-shadow: 0 4px 30px rgba(255, 255, 255, 0.1);
}

.app-title i {
    font-size: 1.6rem;
    background: linear-gradient(135deg, var(--accent-blue-light), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.app-subtitle {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-secondary);
    margin-bottom: 36px;
    letter-spacing: -0.015em;
}

.url-form {
    margin-bottom: 28px;
    width: 100%;
}

.glass-card {
    background: var(--bg-glass);
    backdrop-filter: var(--blur-glass);
    -webkit-backdrop-filter: var(--blur-glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 6px;
    transition: var(--transition);
    box-shadow: var(--shadow-glow), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.glass-card:hover {
    border-color: var(--glass-border-hover);
    box-shadow: var(--shadow-lift), 0 0 60px rgba(41, 151, 255, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.glass-card:focus-within {
    border-color: rgba(41, 151, 255, 0.4);
    box-shadow: var(--shadow-lift), 0 0 0 1px rgba(41, 151, 255, 0.15), 0 20px 60px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.glass-input {
    display: flex;
    align-items: center;
    gap: 6px;
    width: 100%;
}

.input-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    font-size: 1.3rem;
    flex-shrink: 0;
    transition: var(--transition);
}

.glass-card:focus-within .input-icon {
    color: var(--accent-blue-light);
}

.url-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 400;
    padding: 16px 10px;
    outline: none;
    letter-spacing: -0.01em;
    font-family: inherit;
}

.url-input::placeholder {
    color: var(--text-tertiary);
}

.btn-download {
    background: linear-gradient(135deg, var(--accent-blue) 0%, #0066cc 100%);
    color: #fff;
    border: none;
    border-radius: var(--radius-md);
    padding: 16px 28px;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: -0.015em;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 6px 24px rgba(41, 151, 255, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.15);
    position: relative;
    overflow: hidden;
}

.btn-download::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: 0.5s;
}

.btn-download:hover::before {
    left: 100%;
}

.btn-download:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 12px 36px rgba(41, 151, 255, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-download:active {
    transform: scale(0.98);
}

.btn-download:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-download:disabled::before {
    display: none;
}

.btn-download i {
    font-size: 1.05rem;
}

.platforms-wrapper {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
}

.platform-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 8px 14px;
    background: var(--bg-glass);
    backdrop-filter: var(--blur-glass);
    -webkit-backdrop-filter: var(--blur-glass);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    letter-spacing: -0.01em;
}

.platform-badge:hover {
    background: var(--bg-glass-hover);
    color: var(--text-primary);
    border-color: var(--glass-border-hover);
    transform: translateY(-2px);
}

.platform-badge i {
    font-size: 0.8rem;
}

.results-section {
    margin-top: 48px;
    padding: 0 16px;
    width: 100%;
    max-width: 1100px;
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: fadeInUp 0.8s 0.3s cubic-bezier(0.08, 0.82, 0.17, 1) forwards;
    opacity: 0;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 36px;
}

.section-header i {
    font-size: 1.4rem;
    color: var(--accent-green);
    filter: drop-shadow(0 0 15px rgba(48, 209, 88, 0.5));
    animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { filter: drop-shadow(0 0 10px rgba(48, 209, 88, 0.4)); }
    50% { filter: drop-shadow(0 0 20px rgba(48, 209, 88, 0.7)); }
}

.section-header h2 {
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--accent-green);
    letter-spacing: -0.02em;
}

.media-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: stretch;
    gap: 20px;
    width: 100%;
}

.media-card {
    background: var(--bg-glass);
    backdrop-filter: var(--blur-glass);
    -webkit-backdrop-filter: var(--blur-glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-smooth);
    width: 100%;
    max-width: 340px;
    flex: 0 1 320px;
    box-shadow: var(--shadow-glow);
}

.media-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-lift), 0 0 40px rgba(41, 151, 255, 0.15);
    border-color: rgba(41, 151, 255, 0.3);
}

.media-preview {
    background: #080808;
    aspect-ratio: 16/9;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.media-preview::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.5) 100%);
    pointer-events: none;
    z-index: 1;
}

.media-video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: var(--transition);
}

.media-card:hover .media-video {
    transform: scale(1.05);
}

.media-info {
    padding: 20px;
}

.media-name {
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    letter-spacing: -0.01em;
}

.media-name i {
    color: var(--accent-blue-light);
    flex-shrink: 0;
}

.media-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.media-size {
    font-size: 0.78rem;
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
    gap: 5px;
    font-weight: 500;
    letter-spacing: -0.01em;
}

.media-size i {
    font-size: 0.82rem;
}

.btn-save {
    background: linear-gradient(135deg, var(--accent-green) 0%, #24a158 100%);
    color: #000;
    border: none;
    border-radius: 14px;
    padding: 12px 20px;
    font-size: 0.82rem;
    font-weight: 600;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 6px 24px rgba(48, 209, 88, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-save:hover {
    transform: scale(1.06);
    box-shadow: 0 10px 32px rgba(48, 209, 88, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.btn-save i {
    font-size: 0.9rem;
}

.error-container {
    margin-top: 40px;
    padding: 0 16px;
    display: flex;
    justify-content: center;
    width: 100%;
}

.error-card {
    background: rgba(255, 69, 58, 0.06);
    border: 1px solid rgba(255, 69, 58, 0.15);
    backdrop-filter: var(--blur-glass);
    -webkit-backdrop-filter: var(--blur-glass);
    border-radius: var(--radius-lg);
    padding: 28px;
    max-width: 520px;
    width: 100%;
    text-align: center;
    animation: shake 0.5s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.error-card i {
    font-size: 2.4rem;
    color: var(--accent-red);
    margin-bottom: 16px;
    filter: drop-shadow(0 0 15px rgba(255, 69, 58, 0.5));
}

.error-card h4 {
    color: var(--accent-red);
    font-weight: 600;
    margin-bottom: 16px;
    font-size: 1.15rem;
}

.error-card pre {
    background: rgba(0, 0, 0, 0.4);
    border-radius: 14px;
    padding: 18px;
    text-align: left;
    color: rgba(255, 180, 180, 0.85);
    font-size: 0.72rem;
    max-height: 180px;
    overflow-y: auto;
    font-family: 'Outfit', 'SF Mono', monospace;
    letter-spacing: -0.01em;
    line-height: 1.55;
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.loading-card {
    text-align: center;
    padding: 52px 60px;
    background: var(--bg-glass);
    backdrop-filter: var(--blur-heavy);
    -webkit-backdrop-filter: var(--blur-heavy);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    animation: scaleIn 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: var(--shadow-lift);
    max-width: 380px;
    position: relative;
    overflow: hidden;
}

.loading-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(41, 151, 255, 0.1) 0%, transparent 50%);
    animation: rotate 10s linear infinite;
}

@keyframes scaleIn {
    from { 
        opacity: 0;
        transform: scale(0.8);
    }
    to { 
        opacity: 1;
        transform: scale(1);
    }
}

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

.loading-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 28px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

.loading-icon::before {
    content: '';
    position: absolute;
    width: 52px;
    height: 52px;
    border: 3px solid rgba(41, 151, 255, 0.15);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 1.2s linear infinite;
}

.loading-icon::after {
    content: '';
    position: absolute;
    width: 32px;
    height: 32px;
    border: 2px solid rgba(100, 210, 255, 0.15);
    border-top-color: var(--accent-blue-light);
    border-radius: 50%;
    animation: spin 0.8s linear infinite reverse;
}

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

.loading-title {
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    position: relative;
    z-index: 1;
}

.loading-title i {
    font-size: 1.15rem;
    color: var(--accent-blue-light);
}

.loading-text {
    font-size: 0.92rem;
    color: var(--text-secondary);
    margin-bottom: 28px;
    position: relative;
    z-index: 1;
}

.loading-timer {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 28px;
    background: var(--bg-glass);
    border: 1px solid var(--glass-border);
    border-radius: 18px;
    font-size: 1.4rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    color: var(--accent-blue-light);
    letter-spacing: 0.06em;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04), 0 0 30px rgba(41, 151, 255, 0.1);
    position: relative;
    z-index: 1;
}

.loading-timer i {
    font-size: 1rem;
    color: var(--text-tertiary);
}

.app-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 24px 20px;
    text-align: center;
    background: linear-gradient(to top, rgba(0,0,0,0.5) 0%, transparent 100%);
}

.app-footer p {
    color: var(--text-tertiary);
    font-size: 0.78rem;
    margin: 0;
    font-weight: 500;
    letter-spacing: -0.01em;
}

.app-footer a {
    color: var(--accent-blue-light);
    text-decoration: none;
    transition: var(--transition);
}

.app-footer a:hover {
    color: var(--accent-blue);
    text-shadow: 0 0 20px rgba(41, 151, 255, 0.4);
}

@media (max-width: 600px) {
    .app-title {
        font-size: 1.65rem;
    }
    
    .app-subtitle {
        font-size: 0.92rem;
    }
    
    .glass-card {
        padding: 5px;
    }
    
    .glass-input {
        flex-direction: column;
        gap: 6px;
    }
    
    .input-icon {
        display: none;
    }
    
    .url-input {
        text-align: center;
        background: var(--bg-glass);
        border-radius: var(--radius-md);
        margin-bottom: 4px;
    }
    
    .btn-download {
        width: 100%;
        justify-content: center;
        padding: 18px;
        border-radius: var(--radius-md);
    }
    
    .platform-badge {
        padding: 6px 12px;
        font-size: 0.68rem;
    }
    
    .media-card {
        max-width: 100%;
        flex: 0 1 100%;
    }
    
    .media-meta {
        flex-direction: column;
        gap: 14px;
        align-items: stretch;
    }
    
    .btn-save {
        justify-content: center;
    }
    
    .loading-card {
        margin: 0 16px;
        padding: 40px 32px;
    }
}
