/**
 * PercuFun Player - Frontend Styles
 *
 * Estilos del reproductor de audio en el frontend.
 * Diseño minimalista estilo SoundCloud, responsive y
 * adaptable a los colores del tema de WordPress.
 *
 * Variables CSS personalizables:
 * --pfp-accent: Color de acento principal
 * --pfp-bg: Fondo del reproductor
 * --pfp-text: Color del texto
 * --pfp-border: Color de bordes
 * --pfp-wave-progress: Color del waveform reproducido
 * --pfp-wave-remaining: Color del waveform restante
 *
 * @package PercuFun_Player
 */

/* ─── Variables CSS (colores por defecto, adaptables al tema) ─── */
.pfp-player {
    --pfp-accent: #8f60eb;
    --pfp-bg: #ffffff;
    --pfp-bg-secondary: #f2f2f2;
    --pfp-text: #333333;
    --pfp-text-muted: #999999;
    --pfp-border: #e5e5e5;
    --pfp-wave-progress: #8f60eb;
    --pfp-wave-remaining: #cccccc;
    --pfp-radius: 10px;
    --pfp-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

/* ─── Contenedor principal ─── */
.pfp-player {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    background: var(--pfp-bg);
    border: 1px solid var(--pfp-border);
    border-radius: var(--pfp-radius);
    box-shadow: var(--pfp-shadow);
    overflow: visible;
    max-width: 720px;
    margin: 24px auto;
    color: var(--pfp-text);
    line-height: 1.4;
}

/* ─── Cabecera ─── */
.pfp-player-header {
    padding: 16px 20px 0;
}

.pfp-player-title {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--pfp-text-muted);
}

/* ─── Zona principal (play + waveform) ─── */
.pfp-player-main {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 20px;
}

/* Centrar el botón play verticalmente solo con el waveform (60px de alto) */
.pfp-player-main .pfp-play-btn {
    margin-top: 4px; /* (60 - 52) / 2 = 4px para centrar con el waveform de 60px */
}

/* ─── Botón Play/Pause ─── */
.pfp-play-btn {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: none;
    background: var(--pfp-accent);
    color: #ffffff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    box-shadow: 0 2px 8px rgba(143, 96, 235, 0.3);
}

.pfp-play-btn:hover {
    transform: scale(1.08);
    box-shadow: 0 4px 14px rgba(143, 96, 235, 0.4);
}

.pfp-play-btn:active {
    transform: scale(0.96);
}

.pfp-play-btn svg {
    pointer-events: none;
}

/* ─── Waveform ─── */
.pfp-waveform-container {
    flex: 1;
    min-width: 0;
    position: relative;
}

.pfp-waveform {
    width: 100%;
    cursor: pointer;
}

.pfp-time {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    font-variant-numeric: tabular-nums;
    color: var(--pfp-text-muted);
    margin-top: 6px;
}

.pfp-time-separator {
    opacity: 0.5;
}

/* ─── Controles inferiores ─── */
.pfp-player-controls {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 20px 16px;
    border-top: 1px solid var(--pfp-border);
    flex-wrap: wrap;
}

/* ─── Selector de pista (dropdown personalizado) ─── */
.pfp-track-selector {
    position: relative;
    flex: 1;
    min-width: 160px;
}

.pfp-track-selector-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 8px 12px;
    background: var(--pfp-bg-secondary);
    border: 1px solid var(--pfp-border);
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    color: var(--pfp-text);
    transition: border-color 0.2s ease;
    text-align: left;
}

.pfp-track-selector-btn:hover {
    border-color: var(--pfp-accent);
}

.pfp-track-selector-icon {
    flex-shrink: 0;
    opacity: 0.5;
}

.pfp-track-selector-text {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 500;
}

.pfp-track-selector-arrow {
    flex-shrink: 0;
    opacity: 0.4;
    transition: transform 0.2s ease;
}

.pfp-track-selector.open .pfp-track-selector-arrow {
    transform: rotate(180deg);
}

/* ─── Dropdown de pistas ─── */
.pfp-track-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--pfp-bg);
    border: 1px solid var(--pfp-border);
    border-radius: 6px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    margin-top: 6px;
    max-height: 200px;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    z-index: 100;
}

.pfp-track-selector.open .pfp-track-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.pfp-track-option {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 10px 14px;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 13px;
    color: var(--pfp-text);
    text-align: left;
    transition: background 0.15s ease;
}

.pfp-track-option:hover {
    background: var(--pfp-accent);
    color: #ffffff;
}

.pfp-track-option.active {
    color: var(--pfp-accent);
    font-weight: 600;
}

.pfp-track-option.active:hover {
    color: #ffffff;
}

.pfp-track-option-num {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--pfp-bg-secondary);
    font-size: 11px;
    font-weight: 600;
    color: var(--pfp-text-muted);
}

.pfp-track-option.active .pfp-track-option-num {
    background: var(--pfp-accent);
    color: #fff;
}

.pfp-track-option:hover .pfp-track-option-num {
    background: rgba(255, 255, 255, 0.25);
    color: #fff;
}

.pfp-track-option-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ─── Nombre de pista única (sin dropdown) ─── */
.pfp-track-name-single {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 500;
    color: var(--pfp-text);
    flex: 1;
}

.pfp-track-name-single svg {
    opacity: 0.4;
    flex-shrink: 0;
}

/* ─── Control de velocidad ─── */
.pfp-speed-control {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.pfp-speed-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    color: var(--pfp-text-muted);
}

.pfp-speed-slider {
    width: 70px;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--pfp-bg-secondary);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}

.pfp-speed-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--pfp-accent);
    cursor: pointer;
    border: 2px solid #fff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.pfp-speed-slider::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--pfp-accent);
    cursor: pointer;
    border: 2px solid #fff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.pfp-speed-value {
    font-size: 12px;
    font-weight: 600;
    color: var(--pfp-accent);
    min-width: 36px;
    text-align: center;
    font-variant-numeric: tabular-nums;
}

/* ─── Control de volumen ─── */
.pfp-volume-control {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.pfp-volume-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--pfp-text-muted);
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: color 0.2s ease;
}

.pfp-volume-btn:hover {
    color: var(--pfp-text);
}

.pfp-volume-slider {
    width: 70px;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--pfp-bg-secondary);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}

.pfp-volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--pfp-text-muted);
    cursor: pointer;
    border: 2px solid #fff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.15);
    transition: background 0.2s ease;
}

.pfp-volume-slider::-moz-range-thumb {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--pfp-text-muted);
    cursor: pointer;
    border: 2px solid #fff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

.pfp-volume-slider:hover::-webkit-slider-thumb {
    background: var(--pfp-accent);
}

/* ─── Estado de carga ─── */
.pfp-player.loading .pfp-waveform {
    opacity: 0.5;
}

.pfp-player.loading .pfp-play-btn {
    pointer-events: none;
    opacity: 0.6;
}

/* ─── Botón de descarga ─── */
.pfp-download-control {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.pfp-download-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--pfp-text-muted);
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: color 0.2s ease, transform 0.15s ease;
}

.pfp-download-btn:hover {
    color: var(--pfp-accent);
    transform: scale(1.1);
}

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

.pfp-download-btn:disabled {
    cursor: wait;
    opacity: 0.6;
}

.pfp-download-btn svg {
    pointer-events: none;
}

.pfp-icon-download-loading {
    animation: pfp-spin 0.8s linear infinite;
}

@keyframes pfp-spin {
    to { transform: rotate(360deg); }
}

/* ─── Responsive ─── */
@media screen and (max-width: 520px) {
    .pfp-player-main {
        gap: 12px;
        padding: 12px 16px;
    }

    .pfp-play-btn {
        width: 44px;
        height: 44px;
    }

    .pfp-play-btn svg {
        width: 22px;
        height: 22px;
    }

    .pfp-player-controls {
        padding: 10px 16px 14px;
        gap: 10px;
    }

    .pfp-track-selector {
        min-width: 100%;
        order: -1;
    }

    .pfp-speed-control {
        flex: 1;
    }

    .pfp-speed-slider {
        flex: 1;
        width: auto;
    }
}