:root {
    --bg-color: #0d0e15;
    --neon-pink: #ff00ff;
    --neon-cyan: #00ffff;
    --text-color: #e0e0e0;
    --player-bg: rgba(20, 21, 30, 0.95);
}

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

body {
    font-family: 'Rajdhani', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    background-image: radial-gradient(circle at 50% 0%, #2a0a2a 0%, #0d0e15 50%);
    min-height: 100vh;
    padding-bottom: 120px; /* Miejsce na player */
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
}

header {
    text-align: center;
    margin-bottom: 50px;
}

.neon-title {
    font-size: 4rem;
    color: #fff;
    text-transform: uppercase;
    text-shadow: 
        0 0 5px #fff,
        0 0 10px #fff,
        0 0 20px var(--neon-pink),
        0 0 40px var(--neon-pink),
        0 0 80px var(--neon-pink);
    letter-spacing: 5px;
    margin-bottom: 10px;
}

.subtitle {
    color: var(--neon-cyan);
    font-size: 1.2rem;
    letter-spacing: 2px;
}

/* Playlista */
.playlist-container h2 {
    color: var(--neon-cyan);
    border-bottom: 1px solid var(--neon-cyan);
    padding-bottom: 10px;
    margin-bottom: 20px;
}

#playlist {
    list-style: none;
}

#playlist li {
    background: rgba(255, 255, 255, 0.05);
    margin-bottom: 10px;
    padding: 15px 20px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-left: 4px solid transparent;
}

#playlist li:hover {
    background: rgba(255, 255, 255, 0.1);
    border-left: 4px solid var(--neon-pink);
}

#playlist li.active {
    border-left: 4px solid var(--neon-cyan);
    background: rgba(0, 255, 255, 0.1);
    color: #fff;
}

/* Player Audio (wzorowany na CodePen) */
.player-wrapper {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--player-bg);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--neon-pink);
    padding: 15px 0;
    box-shadow: 0 -5px 20px rgba(255, 0, 255, 0.2);
}

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

.track-info {
    text-align: center;
    color: var(--neon-cyan);
    font-weight: 600;
    margin-bottom: 10px;
    font-size: 1.1rem;
    letter-spacing: 1px;
}

.controls-layout {
    display: flex;
    align-items: center;
    gap: 20px;
}

.control-btn {
    background: none;
    border: none;
    color: var(--neon-pink);
    font-size: 24px;
    cursor: pointer;
    transition: 0.2s;
    width: 40px;
}

.control-btn:hover {
    color: #fff;
    text-shadow: 0 0 10px var(--neon-pink);
}

.progress-container {
    flex-grow: 1;
    display: flex;
    align-items: center;
    gap: 15px;
    font-family: monospace;
    color: #aaa;
}

input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    outline: none;
    cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: var(--neon-cyan);
    box-shadow: 0 0 10px var(--neon-cyan);
}

.volume-container {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-color);
    width: 150px;
}