/**
 * Reggae Kenya Music Player
 * 
 * Sticky music player styling with Rasta theme
 *
 * @package ReggaeKenya
 * @version 1.0.0
 */

/* ============================================
   STICKY PLAYER BASE
   ============================================ */

.rk-player {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    background: linear-gradient(
        180deg,
        var(--dark-layer-1) 0%,
        var(--dark-base) 100%
    );
    border-top: 3px solid transparent;
    border-image: var(--rasta-gradient) 1;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.5);
    transform: translateY(100%);
    transition: transform var(--transition-normal);
}

.rk-player.active {
    transform: translateY(0);
}

.rk-player-container {
    display: grid;
    grid-template-columns: 300px 1fr 300px;
    gap: var(--space-4);
    align-items: center;
    padding: var(--space-4) var(--space-6);
    max-width: var(--container-2xl);
    margin: 0 auto;
}

/* ============================================
   TRACK INFO SECTION
   ============================================ */

.rk-player-track-info {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    min-width: 0;
}

.rk-track-image {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    object-fit: cover;
    flex-shrink: 0;
    box-shadow: var(--shadow-md);
}

.rk-track-details {
    min-width: 0;
    flex: 1;
}

.rk-track-title {
    font-size: var(--font-base);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-1);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.rk-track-artist {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.rk-track-artist:hover {
    color: var(--rasta-gold);
}

/* ============================================
   PLAYER CONTROLS
   ============================================ */

.rk-player-controls {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.rk-player-controls > div:first-child {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
}

.rk-control-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    border-radius: var(--radius-full);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.rk-control-btn:hover {
    background: var(--dark-layer-3);
    color: var(--rasta-gold);
}

.rk-control-btn .dashicons {
    font-size: 24px;
    width: 24px;
    height: 24px;
}

/* Main Play/Pause Button */
.rk-control-main {
    width: 48px;
    height: 48px;
    background: var(--rasta-gold);
    color: var(--text-inverse);
}

.rk-control-main:hover {
    background: var(--neon-gold);
    box-shadow: var(--glow-gold);
    transform: scale(1.1);
}

.rk-control-main.playing {
    background: var(--rasta-green);
}

.rk-control-main.playing:hover {
    background: var(--rasta-green-light);
    box-shadow: var(--glow-green);
}

.rk-control-btn.paused .dashicons-controls-pause {
    display: none;
}

.rk-control-btn.playing .dashicons-controls-play {
    display: none;
}

/* Active States */
.rk-shuffle.active,
.rk-repeat.active {
    color: var(--rasta-gold);
}

/* ============================================
   PROGRESS BAR
   ============================================ */

.rk-player-progress {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.rk-current-time,
.rk-total-time {
    font-size: var(--font-sm);
    font-family: var(--font-mono);
    color: var(--text-secondary);
    min-width: 40px;
}

.rk-progress-bar {
    position: relative;
    flex: 1;
    height: 6px;
    background: var(--dark-layer-3);
    border-radius: var(--radius-full);
    cursor: pointer;
    overflow: hidden;
}

.rk-progress-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: var(--rasta-gradient);
    border-radius: var(--radius-full);
    transition: width 0.1s linear;
    pointer-events: none;
}

.rk-progress-handle {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 14px;
    height: 14px;
    background: var(--rasta-gold);
    border-radius: var(--radius-full);
    box-shadow: 0 0 8px rgba(252, 209, 22, 0.8);
    opacity: 0;
    transition: opacity var(--transition-fast);
    pointer-events: none;
}

.rk-progress-bar:hover .rk-progress-handle {
    opacity: 1;
}

/* Progress Animation */
.rk-progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.3) 50%,
        transparent 100%
    );
    animation: progressShimmer 2s ease-in-out infinite;
}

@keyframes progressShimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* ============================================
   EXTRA CONTROLS
   ============================================ */

.rk-player-extras {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-2);
}

/* Volume Control */
.rk-volume-control {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    position: relative;
}

.rk-volume-btn .dashicons {
    font-size: 24px;
    width: 24px;
    height: 24px;
}

.rk-volume-slider-container {
    width: 0;
    overflow: hidden;
    transition: width var(--transition-normal);
}

.rk-volume-control:hover .rk-volume-slider-container {
    width: 100px;
}

.rk-volume-slider {
    width: 100%;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--dark-layer-3);
    border-radius: var(--radius-full);
    outline: none;
    cursor: pointer;
}

.rk-volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 12px;
    height: 12px;
    background: var(--rasta-gold);
    border-radius: var(--radius-full);
    cursor: pointer;
}

.rk-volume-slider::-moz-range-thumb {
    width: 12px;
    height: 12px;
    background: var(--rasta-gold);
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
}

.rk-volume-slider::-webkit-slider-thumb:hover {
    background: var(--neon-gold);
    box-shadow: var(--glow-gold);
}

/* External Link */
.rk-external-link {
    color: #1DB954; /* Spotify Green */
}

.rk-external-link:hover {
    color: #1ed760;
}

/* ============================================
   QUEUE SIDEBAR
   ============================================ */

.rk-player-queue {
    position: fixed;
    bottom: 0;
    right: 0;
    width: 400px;
    height: calc(100vh - 100px);
    background: var(--dark-layer-1);
    border-left: 1px solid var(--dark-border);
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    z-index: calc(var(--z-sticky) + 1);
    display: flex;
    flex-direction: column;
}

.rk-player-queue.active {
    transform: translateX(0);
}

.rk-queue-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4);
    border-bottom: 1px solid var(--dark-border);
    background: var(--dark-layer-2);
}

.rk-queue-header h3 {
    margin: 0;
    font-size: var(--font-lg);
    color: var(--rasta-gold);
}

.rk-close-queue {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.rk-close-queue:hover {
    background: var(--dark-layer-3);
    color: var(--rasta-red);
}

.rk-queue-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-4);
}

.rk-queue-empty {
    text-align: center;
    color: var(--text-muted);
    padding: var(--space-8);
}

.rk-queue-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.rk-queue-item:hover {
    background: var(--dark-layer-2);
}

.rk-queue-item.active {
    background: var(--dark-layer-3);
    border-left: 3px solid var(--rasta-gold);
}

.rk-queue-item-image {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    flex-shrink: 0;
}

.rk-queue-item-info {
    flex: 1;
    min-width: 0;
}

.rk-queue-item-title {
    font-size: var(--font-sm);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.rk-queue-item-artist {
    font-size: var(--font-xs);
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.rk-queue-item-remove {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--text-muted);
    border-radius: var(--radius-sm);
    cursor: pointer;
    opacity: 0;
    transition: all var(--transition-fast);
}

.rk-queue-item:hover .rk-queue-item-remove {
    opacity: 1;
}

.rk-queue-item-remove:hover {
    background: rgba(232, 0, 13, 0.1);
    color: var(--rasta-red);
}

.rk-queue-footer {
    padding: var(--space-4);
    border-top: 1px solid var(--dark-border);
}

.rk-clear-queue {
    width: 100%;
    padding: var(--space-3);
    background: transparent;
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-weight: var(--font-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.rk-clear-queue:hover {
    background: rgba(232, 0, 13, 0.1);
    border-color: var(--rasta-red);
    color: var(--rasta-red);
}

/* ============================================
   PLAYER VISUALIZER (Optional)
   ============================================ */

.rk-player-visualizer {
    position: absolute;
    bottom: 100%;
    left: 0;
    right: 0;
    height: 60px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 2px;
    padding: var(--space-2);
    background: rgba(10, 10, 10, 0.5);
    opacity: 0;
    transition: opacity var(--transition-normal);
    pointer-events: none;
}

.rk-player.active .rk-player-visualizer {
    opacity: 1;
}

.rk-visualizer-bar {
    width: 4px;
    height: 20%;
    background: var(--rasta-gradient-vertical);
    border-radius: var(--radius-full);
    animation: visualizerPulse 0.8s ease-in-out infinite;
}

.rk-visualizer-bar:nth-child(1) { animation-delay: 0s; }
.rk-visualizer-bar:nth-child(2) { animation-delay: 0.1s; }
.rk-visualizer-bar:nth-child(3) { animation-delay: 0.2s; }
.rk-visualizer-bar:nth-child(4) { animation-delay: 0.3s; }
.rk-visualizer-bar:nth-child(5) { animation-delay: 0.4s; }
.rk-visualizer-bar:nth-child(6) { animation-delay: 0.3s; }
.rk-visualizer-bar:nth-child(7) { animation-delay: 0.2s; }
.rk-visualizer-bar:nth-child(8) { animation-delay: 0.1s; }

@keyframes visualizerPulse {
    0%, 100% { height: 20%; }
    50% { height: 80%; }
}

/* ============================================
   RESPONSIVE PLAYER
   ============================================ */

@media (max-width: 1279px) {
    .rk-player-container {
        grid-template-columns: 250px 1fr 250px;
    }

    .rk-player-queue {
        width: 350px;
    }
}

@media (max-width: 1023px) {
    .rk-player-container {
        grid-template-columns: 200px 1fr 200px;
        gap: var(--space-3);
    }

    .rk-track-image {
        width: 50px;
        height: 50px;
    }

    .rk-player-queue {
        width: 100%;
    }

    .rk-shuffle,
    .rk-repeat {
        display: none;
    }
}

@media (max-width: 767px) {
    .rk-player-container {
        grid-template-columns: 1fr;
        gap: var(--space-2);
        padding: var(--space-3);
    }

    .rk-player-track-info {
        order: 2;
    }

    .rk-player-controls {
        order: 1;
    }

    .rk-player-progress {
        order: 3;
        grid-column: 1 / -1;
    }

    .rk-player-extras {
        order: 4;
        justify-content: center;
    }

    .rk-volume-control {
        display: none;
    }

    .rk-track-title {
        font-size: var(--font-sm);
    }

    .rk-track-artist {
        font-size: var(--font-xs);
    }
}

/* ============================================
   PLAYER LOADING STATE
   ============================================ */

.rk-player.loading .rk-control-main {
    pointer-events: none;
}

.rk-player.loading .rk-control-main .dashicons {
    animation: rk-spin 1s linear infinite;
}

/* ============================================
   MINI PLAYER MODE
   ============================================ */

.rk-player.mini {
    height: 60px;
}

.rk-player.mini .rk-player-container {
    padding: var(--space-2) var(--space-4);
}

.rk-player.mini .rk-track-image {
    width: 44px;
    height: 44px;
}

.rk-player.mini .rk-control-btn {
    width: 36px;
    height: 36px;
}

.rk-player.mini .rk-control-main {
    width: 44px;
    height: 44px;
}

.rk-player.mini .rk-player-progress {
    display: none;
}