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

:root {
    --primary: #fe2c55;
    --primary-dark: #e91e4a;
    --bg: #121212;
    --bg-card: #1e1e1e;
    --text: #ffffff;
    --text-secondary: #a0a0a0;
    --border: #333;
    --success: #25f4ee;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    text-align: center;
    padding: 40px 0;
}

header h1 {
    font-size: 2.5rem;
    background: linear-gradient(45deg, var(--success), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

main {
    flex: 1;
}

.input-section {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

#urlInput {
    flex: 1;
    padding: 15px 20px;
    font-size: 1rem;
    border: 2px solid var(--border);
    border-radius: 10px;
    background: var(--bg-card);
    color: var(--text);
    outline: none;
    transition: border-color 0.3s;
}

#urlInput:focus {
    border-color: var(--primary);
}

#parseBtn {
    padding: 15px 30px;
    font-size: 1rem;
    font-weight: 600;
    background: linear-gradient(45deg, var(--primary), var(--primary-dark));
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: transform 0.2s, opacity 0.2s;
    min-width: 140px;
}

#parseBtn:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

#parseBtn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.error {
    background: rgba(255, 59, 48, 0.1);
    border: 1px solid rgba(255, 59, 48, 0.3);
    color: #ff3b30;
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 20px;
    text-align: center;
}

.hidden {
    display: none !important;
}

.video-info {
    background: var(--bg-card);
    border-radius: 15px;
    padding: 20px;
    margin-top: 20px;
}

.video-preview {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

#thumbnail {
    width: 200px;
    height: auto;
    border-radius: 10px;
    object-fit: cover;
}

.video-meta {
    flex: 1;
}

.video-meta h2 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    line-height: 1.4;
}

.video-meta p {
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.stats {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.format-section {
    margin-bottom: 20px;
}

.format-section h3 {
    font-size: 1rem;
    margin-bottom: 15px;
    color: var(--text-secondary);
}

.format-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
}

.format-item {
    padding: 12px 15px;
    background: var(--bg);
    border: 2px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
}

.format-item:hover {
    border-color: var(--primary);
}

.format-item.selected {
    border-color: var(--primary);
    background: rgba(254, 44, 85, 0.1);
}

.format-quality {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 5px;
}

.format-info {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.download-btn {
    width: 100%;
    padding: 18px;
    font-size: 1.1rem;
    font-weight: 600;
    background: linear-gradient(45deg, var(--success), #1db8a0);
    color: #000;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: transform 0.2s, opacity 0.2s;
}

.download-btn:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

.download-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.loader {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s linear infinite;
}

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

footer {
    text-align: center;
    padding: 30px 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

@media (max-width: 600px) {
    .input-section {
        flex-direction: column;
    }

    #parseBtn {
        width: 100%;
    }

    .video-preview {
        flex-direction: column;
    }

    #thumbnail {
        width: 100%;
        max-height: 300px;
    }

    header h1 {
        font-size: 2rem;
    }
}