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

:root {
    --bg-gradient-1: #f5f7fa;
    --bg-gradient-2: #e8ecf1;
    --bg-gradient-3: #dfe6ed;
    --card-bg: rgba(255, 255, 255, 0.95);
    --text-primary: #1a1a1a;
    --text-secondary: rgba(0, 0, 0, 0.6);
    --accent: #667eea;
    --accent-hover: #764ba2;
    --shadow: rgba(0, 0, 0, 0.08);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-gradient-1), var(--bg-gradient-2), var(--bg-gradient-3));
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    padding: 20px;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.container {
    width: 100%;
    max-width: 450px;
}

.profile-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 30px;
    padding: 50px 40px;
    text-align: center;
    box-shadow: 0 20px 60px var(--shadow), 0 0 0 1px rgba(0, 0, 0, 0.02);
    transition: transform 0.3s ease;
}

.profile-card:hover {
    transform: translateY(-5px);
}

.avatar-wrapper {
    position: relative;
    width: 160px;
    height: 160px;
    margin: 0 auto 30px;
}

.avatar {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
    transition: transform 0.3s ease;
}

.avatar:hover {
    transform: scale(1.05);
}

.avatar-ring {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border-radius: 50%;
    border: 2px solid var(--accent);
    opacity: 0;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.1);
    }
}

.name {
    color: var(--text-primary);
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -0.5px;
}

.bio {
    color: var(--text-secondary);
    font-size: 16px;
    margin-bottom: 35px;
    line-height: 1.6;
}

.music-player {
    background: rgba(0, 0, 0, 0.02);
    border-radius: 20px;
    padding: 20px;
    margin-bottom: 35px;
    display: flex;
    align-items: center;
    gap: 15px;
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.play-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--text-primary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.play-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.play-btn:active {
    transform: scale(0.95);
}

.play-icon,
.pause-icon {
    width: 20px;
    height: 20px;
    color: var(--bg-gradient-1);
}

.hidden {
    display: none;
}

.track-info {
    flex: 1;
    text-align: left;
}

.track-name {
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
}

.progress-bar {
    width: 100%;
    height: 4px;
    background: rgba(0, 0, 0, 0.08);
    border-radius: 2px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent-hover));
    width: 0%;
    transition: width 0.1s linear;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.social-link {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.03);
    border: 1px solid rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.3s ease;
    text-decoration: none;
}

.social-link:hover {
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
    border-color: transparent;
}

.social-link svg {
    width: 20px;
    height: 20px;
}

@media (max-width: 500px) {
    .profile-card {
        padding: 40px 30px;
    }
    
    .name {
        font-size: 28px;
    }
    
    .bio {
        font-size: 15px;
    }
    
    .avatar-wrapper {
        width: 140px;
        height: 140px;
    }
    
    .avatar {
        width: 140px;
        height: 140px;
    }
}