:root {
    --bg: #030303;
    --glass: rgba(17, 17, 17, 0.8);
    --border: rgba(255, 255, 255, 0.1);
    --accent: #0070f3;
    --accent-glow: rgba(0, 112, 243, 0.3);
    --text-main: #ffffff;
    --text-dim: #888888;
}

body {
    background-color: var(--bg);
    background-image: 
        radial-gradient(at 0% 0%, rgba(0, 112, 243, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(0, 255, 136, 0.1) 0px, transparent 50%);
    color: var(--text-main);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    overflow-x: hidden;
}

.glass-container {
    width: 95%;
    max-width: 1100px;
    background: var(--glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
}

h1 { 
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -2px;
    margin: 0;
    background: linear-gradient(to right, #fff, #888);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.status-tag {
    background: rgba(0, 255, 136, 0.1);
    color: #00ff88;
    padding: 0.5rem 1rem;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid rgba(0, 255, 136, 0.2);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: #00ff88;
    border-radius: 50%;
    box-shadow: 0 0 10px #00ff88;
    animation: pulse 2s infinite;
}

.grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 2rem;
}

.card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    padding: 2rem;
    border-radius: 16px;
    transition: transform 0.2s, border-color 0.2s;
}

.card:hover {
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

h2 {
    font-size: 1.2rem;
    margin-top: 0;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
}

.btn {
    padding: 1rem;
    background: #ffffff;
    color: #000;
    text-decoration: none;
    text-align: center;
    border-radius: 10px;
    font-weight: 600;
    transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn:hover {
    background: #e0e0e0;
    transform: scale(1.02);
}

.music-player {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

#player-info {
    margin-top: 1rem;
}

.song-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.controls {
    display: flex;
    gap: 1.5rem;
    margin-top: 2rem;
}

.control-btn {
    background: none;
    border: 1px solid var(--border);
    color: white;
    padding: 0.8rem;
    border-radius: 50%;
    cursor: pointer;
    transition: 0.2s;
}

.control-btn:hover {
    background: var(--border);
    border-color: white;
}

footer {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    color: var(--text-dim);
    font-size: 0.9rem;
    display: flex;
    justify-content: space-between;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.4; }
    100% { opacity: 1; }
}

@media (max-width: 768px) {
    .grid { grid-template-columns: 1fr; }
    .glass-container { padding: 1.5rem; }
}