:root {
    --azul-electrico: #00FFFF; 
    --bg-negro: #030303;
    --bg-gris: #1d1d1d;
    --texto: #ffffff;
}

body {
    background-color: var(--bg-negro);
    color: var(--texto);
    font-family: 'Roboto', sans-serif;
    margin: 0;
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* Barra Lateral */
.sidebar {
    width: 240px;
    background-color: #000;
    padding: 20px;
    border-right: 1px solid #222;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 40px;
    letter-spacing: -1px;
}

.logo span {
    color: var(--azul-electrico);
}

.menu { list-style: none; padding: 0; }
.menu li {
    padding: 15px 10px;
    color: #909090;
    cursor: pointer;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.menu li.active, .menu li:hover {
    color: var(--azul-electrico);
}

/* Área de Contenido */
.content {
    flex-grow: 1;
    padding: 30px 50px;
    overflow-y: auto;
}

.search-bar {
    background: #121212;
    border: 1px solid #333;
    color: white;
    padding: 12px 25px;
    width: 60%;
    border-radius: 4px;
    outline: none;
}

.search-bar:focus {
    border-color: var(--azul-electric);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 25px;
    margin-top: 20px;
}

.card {
    background: var(--bg-gris);
    aspect-ratio: 1 / 1;
    border-radius: 4px;
    transition: 0.3s;
}

.card:hover {
    background: #2a2a2a;
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.2);
}

/* Reproductor */
.player {
    position: fixed;
    bottom: 0;
    width: 100%;
    background: #111;
    height: 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.progress-container {
    width: 100%;
    height: 3px;
    background: #333;
}

.progress-bar {
    width: 45%;
    height: 100%;
    background: var(--azul-electrico);
}

.controls {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-top: 10px;
}

nav-btn {
   background: none;
    border: none;
    color: #aaa;
    cursor: pointer;
}

.play-btn {
    background: var(--azul-electrico);
    border: none;
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: bold;
    cursor: pointer;
}