:root {
    --color-primario: var(--color-celeste);
    --color-panel: rgba(255, 255, 255, 0.95);
    --color-borde: rgba(0, 0, 0, 0.1);
    --color-hover: #2e4d34;
    --color-texto: #121212;
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
    --transition: all 0.3s ease;
}

.floating-controls {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    z-index: 999;
}

.control-group {
    position: relative;
}

/* Botón flotante */
.floating-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background-color: var(--color-celeste);
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    box-shadow: var(--shadow-md);
    cursor: pointer;
    transition: var(--transition);
}

.floating-btn img {
    width: 24px;
    height: 24px;
}

.floating-btn:hover {
    transform: scale(1.05);
}

/* Ícono SVG del botón */
.floating-icon {
    width: 24px;
    height: 24px;
}

/* Panel flotante */
.floating-panel {
    position: absolute;
    bottom: 70px;
    right: 0;
    min-width: 260px;
    background: var(--color-panel);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    padding: 20px;
    display: none;
    flex-direction: column;
    gap: 16px;
    border: 1px solid var(--color-borde);
    backdrop-filter: blur(8px);
    transform: translateY(20px);
    opacity: 0;
    transition: var(--transition);
}

.floating-panel.visible {
    display: flex;
    transform: translateY(0);
    opacity: 1;
}

/* Cabecera del panel */
.panel-header {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--color-texto);
    margin-bottom: 8px;
}

/* Controles de música */
.player-display {
    text-align: center;
}

.track-info {
    font-weight: 600;
    font-size: 1rem;
    color: var(--color-texto);
}

.track-artist {
    font-size: 0.9rem;
    opacity: 0.7;
    color: var(--color-texto);
}

.progress-container {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    margin-bottom: 20px;
}

.volume-control {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    margin-top: 20px;
}

.controls-row {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.control-btn {
    background: rgba(0, 0, 0, 0.05);
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.control-btn img {
    width: 20px;
    height: 20px;
    fill: var(--color-texto);
}

.control-btn:hover {
    background: var(--color-primario);
    color: var(--color-icono);
}

.play-btn {
    width: 50px;
    height: 50px;
    background: var(--color-primario);
    color: var(--color-hover);
    box-shadow: var(--shadow-md);
}

.icon-btn,
.volume-icon {
    width: 20px;
    height: 20px;
    fill: currentColor;
    color: var(--color-texto);
}

/* Range sliders */
.range-slider {
    flex: 1;
    height: 6px;
    border-radius: 3px;
    background: rgba(0, 0, 0, 0.1);
    appearance: none;
}

.range-slider::-webkit-slider-thumb {
    appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--color-primario);
    cursor: pointer;
    transition: var(--transition);
}

.range-slider:hover::-webkit-slider-thumb {
    transform: scale(1.2);
}