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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    min-height: 100vh;
    color: #fff;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

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

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    background: linear-gradient(90deg, #00d2ff, #3a7bd5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

header p {
    color: #aaa;
    font-size: 1.1rem;
}

.search-box {
    display: flex;
    gap: 10px;
    margin: 30px 0;
}

.search-box input {
    flex: 1;
    padding: 18px 25px;
    font-size: 1rem;
    border: none;
    border-radius: 50px;
    background: rgba(255,255,255,0.1);
    color: #fff;
    outline: none;
    transition: all 0.3s;
}

.search-box input:focus {
    background: rgba(255,255,255,0.15);
    box-shadow: 0 0 20px rgba(0,210,255,0.3);
}

.search-box input::placeholder {
    color: #888;
}

.search-box button {
    padding: 18px 35px;
    font-size: 1rem;
    border: none;
    border-radius: 50px;
    background: linear-gradient(90deg, #00d2ff, #3a7bd5);
    color: #fff;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: bold;
}

.search-box button:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 20px rgba(0,210,255,0.4);
}

.loading {
    text-align: center;
    padding: 40px;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255,255,255,0.1);
    border-top-color: #00d2ff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 15px;
}

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

.result {
    background: rgba(255,255,255,0.05);
    border-radius: 20px;
    padding: 25px;
    margin: 20px 0;
    animation: fadeIn 0.5s;
}

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

.video-info {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
}

.video-info img {
    width: 200px;
    height: 130px;
    object-fit: cover;
    border-radius: 12px;
}

.video-info .details {
    flex: 1;
}

.video-info h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    line-height: 1.4;
}

.video-info p {
    color: #aaa;
    margin: 5px 0;
}

.video-info p i {
    color: #00d2ff;
    margin-right: 8px;
}

.download-options {
    display: grid;
    gap: 12px;
}

.download-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
    background: linear-gradient(90deg, rgba(0,210,255,0.2), rgba(58,123,213,0.2));
    border: 1px solid rgba(0,210,255,0.3);
    border-radius: 12px;
    color: #fff;
    text-decoration: none;
    transition: all 0.3s;
}

.download-btn:hover {
    background: linear-gradient(90deg, rgba(0,210,255,0.3), rgba(58,123,213,0.3));
    transform: translateX(5px);
}

.download-btn .quality {
    font-weight: bold;
}

.download-btn .size {
    color: #aaa;
    font-size: 0.9rem;
}

.download-btn i {
    color: #00d2ff;
}

.error {
    background: rgba(255,0,0,0.1);
    border: 1px solid rgba(255,0,0,0.3);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    margin: 20px 0;
}

.error i {
    font-size: 2rem;
    color: #ff4444;
    margin-bottom: 10px;
}

.supported-sites {
    margin-top: 50px;
    text-align: center;
}

.supported-sites h3 {
    margin-bottom: 20px;
    color: #aaa;
}

.sites-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 15px;
}

.sites-grid .site {
    background: rgba(255,255,255,0.05);
    padding: 15px;
    border-radius: 10px;
    font-size: 0.9rem;
}

.sites-grid .site i {
    display: block;
    font-size: 1.5rem;
    margin-bottom: 8px;
    color: #00d2ff;
}

footer {
    text-align: center;
    padding: 30px;
    color: #666;
    font-size: 0.9rem;
}

@media (max-width: 600px) {
    header h1 {
        font-size: 1.8rem;
    }
    
    .search-box {
        flex-direction: column;
    }
    
    .search-box button {
        width: 100%;
    }
    
    .video-info {
        flex-direction: column;
    }
    
    .video-info img {
        width: 100%;
        height: auto;
    }
}