/* ============================================================================
   Puzzle Music Player (Flow Music Instrumental Playlists for Chess Solving)
   ============================================================================ */

#pmp-root {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    box-sizing: border-box;
    z-index: 10900;
}

#pmp-root *,
#pmp-root *::before,
#pmp-root *::after {
    box-sizing: border-box;
}

/* Floating Mini-Player Pill (Top-Left) */
.pmp-mini-bar {
    position: fixed;
    left: max(14px, env(safe-area-inset-left));
    top: max(68px, calc(env(safe-area-inset-top) + 64px));
    bottom: auto;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 11px 6px 8px;
    border-radius: 999px;
    background: rgba(17, 24, 39, 0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(245, 158, 11, 0.35);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(255, 255, 255, 0.06) inset;
    color: #f9fafb;
    z-index: 10900;
    max-width: min(350px, calc(100vw - 28px));
    transition: transform 0.22s ease, box-shadow 0.22s ease, opacity 0.22s ease;
}

.pmp-mini-bar:hover {
    border-color: rgba(245, 158, 11, 0.65);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.55), 0 0 14px rgba(245, 158, 11, 0.2);
}

.pmp-mini-bar.pmp-hidden {
    display: none !important;
}

/* Compact (collapsed) state: only the spinning disc is visible */
.pmp-mini-bar:not(.is-expanded) {
    gap: 0;
    padding: 3px;
}

.pmp-mini-bar:not(.is-expanded) .pmp-mini-info,
.pmp-mini-bar:not(.is-expanded) .pmp-mini-controls {
    display: none;
}

.pmp-mini-bar.is-expanded {
    animation: pmpMiniExpand 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes pmpMiniExpand {
    from { opacity: 0.6; transform: scaleX(0.92); transform-origin: left center; }
    to { opacity: 1; transform: scaleX(1); transform-origin: left center; }
}

.pmp-mini-cover-icon {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    font-weight: 800;
    color: #fde68a;
    background: rgba(17, 24, 39, 0.45);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8);
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.pmp-mini-bar.is-playing .pmp-mini-cover-icon,
.pmp-mini-bar.is-expanded .pmp-mini-cover-icon {
    opacity: 0;
}

.pmp-mini-cover-wrap {
    position: relative;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    border: 2px solid rgba(245, 158, 11, 0.6);
    background: #1f2937;
    cursor: pointer;
}

.pmp-mini-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.pmp-mini-bar.is-playing .pmp-mini-cover {
    animation: pmpSpinDisc 10s linear infinite;
}

@keyframes pmpSpinDisc {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.pmp-mini-info {
    flex: 1;
    min-width: 0;
    cursor: pointer;
    padding-right: 4px;
}

.pmp-mini-title {
    font-size: 12.5px;
    font-weight: 700;
    color: #fef3c7;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.25;
}

.pmp-mini-sub {
    font-size: 10.5px;
    color: #9ca3af;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: flex;
    align-items: center;
    gap: 5px;
    margin-top: 1px;
}

.pmp-eq-bars {
    display: inline-flex;
    align-items: flex-end;
    gap: 2px;
    height: 10px;
}

.pmp-eq-bars span {
    width: 2.5px;
    background: #f59e0b;
    border-radius: 2px;
    height: 3px;
    transition: height 0.2s ease;
}

.pmp-mini-bar.is-playing .pmp-eq-bars span:nth-child(1) {
    animation: pmpEqBounce 0.65s ease-in-out infinite alternate;
}
.pmp-mini-bar.is-playing .pmp-eq-bars span:nth-child(2) {
    animation: pmpEqBounce 0.45s ease-in-out 0.15s infinite alternate;
}
.pmp-mini-bar.is-playing .pmp-eq-bars span:nth-child(3) {
    animation: pmpEqBounce 0.55s ease-in-out 0.3s infinite alternate;
}

@keyframes pmpEqBounce {
    0% { height: 3px; }
    100% { height: 10px; }
}

.pmp-mini-controls {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

.pmp-icon-btn {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.08);
    color: #f3f4f6;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    cursor: pointer;
    transition: background 0.15s ease, transform 0.15s ease, color 0.15s ease;
    padding: 0;
}

.pmp-icon-btn:hover {
    background: rgba(245, 158, 11, 0.25);
    color: #fde68a;
    transform: scale(1.06);
}

.pmp-icon-btn.pmp-play-btn {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #111827;
    font-weight: 800;
    width: 32px;
    height: 32px;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.4);
}

.pmp-icon-btn.pmp-play-btn:hover {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: #000;
}

/* Main Expandable Playlist Drawer / Modal (Top-Left) */
.pmp-drawer-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 10910;
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    padding: max(64px, calc(env(safe-area-inset-top) + 60px)) 14px 14px;
    opacity: 1;
    transition: opacity 0.2s ease;
}

.pmp-drawer-backdrop.pmp-hidden {
    display: none !important;
}

.pmp-drawer,
#pmp-root #kingdom-audio-panel.pmp-drawer {
    position: relative;
    top: auto;
    right: auto;
    width: min(410px, calc(100vw - 24px));
    max-height: min(620px, calc(100dvh - 80px));
    padding: 0;
    background: linear-gradient(180deg, #161f30 0%, #0f172a 100%);
    color: #f8fafc;
    border-radius: 20px;
    border: 1px solid rgba(245, 158, 11, 0.35);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.65), 0 0 0 1px rgba(255, 255, 255, 0.06) inset;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    margin-bottom: 0;
    animation: pmpSlideDown 0.22s cubic-bezier(0.16, 1, 0.3, 1);
    line-height: 1.35;
}

#pmp-root #kingdom-audio-panel.pmp-drawer button {
    min-height: 0;
}

#pmp-root #kingdom-audio-panel.pmp-drawer input[type="range"] {
    min-height: 0;
}

@keyframes pmpSlideDown {
    from {
        opacity: 0;
        transform: translateY(-14px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.pmp-drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.02);
}

.pmp-drawer-brand {
    display: flex;
    align-items: center;
    gap: 9px;
}

.pmp-brand-badge {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.25), rgba(217, 119, 6, 0.1));
    border: 1px solid rgba(245, 158, 11, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.pmp-drawer-title {
    font-size: 14.5px;
    font-weight: 800;
    color: #fef3c7;
    margin: 0;
    line-height: 1.2;
}

.pmp-drawer-subtitle {
    font-size: 11px;
    color: #94a3b8;
    margin-top: 2px;
}

#pmp-root .pmp-close-btn {
    width: 30px;
    height: 30px;
    border-radius: 9px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.05);
    color: #cbd5e1;
    cursor: pointer;
    font-size: 14px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
}

#pmp-root .pmp-close-btn:hover {
    background: rgba(239, 68, 68, 0.2);
    border-color: rgba(239, 68, 68, 0.45);
    color: #fca5a5;
}

/* Playlist Selector Tabs */
.pmp-playlists-tabs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 7px;
    padding: 12px 14px 10px;
    background: rgba(15, 23, 42, 0.6);
}

#pmp-root .pmp-playlist-tab {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 3px;
    padding: 8px 10px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(30, 41, 59, 0.6);
    color: #cbd5e1;
    cursor: pointer;
    text-align: left;
    transition: all 0.18s ease;
}

#pmp-root .pmp-playlist-tab:hover {
    background: rgba(51, 65, 85, 0.7);
    border-color: rgba(245, 158, 11, 0.35);
}

#pmp-root .pmp-playlist-tab.active {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.22), rgba(180, 83, 9, 0.16));
    border-color: #f59e0b;
    color: #fef3c7;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.15);
}

.pmp-tab-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    font-size: 14px;
}

.pmp-tab-count {
    font-size: 9.5px;
    font-weight: 700;
    padding: 1px 5px;
    border-radius: 99px;
    background: rgba(255, 255, 255, 0.08);
    color: #cbd5e1;
}

.pmp-playlist-tab.active .pmp-tab-count {
    background: rgba(245, 158, 11, 0.3);
    color: #fef3c7;
}

.pmp-tab-name {
    font-size: 11.5px;
    font-weight: 700;
    line-height: 1.2;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.pmp-tab-desc {
    font-size: 9.5px;
    color: #94a3b8;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    width: 100%;
}

/* Active Playlist Banner */
.pmp-playlist-meta-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 6px 14px 8px;
    font-size: 11px;
    color: #94a3b8;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.pmp-playlist-meta-desc {
    flex: 1;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.pmp-flow-link {
    color: #fbbf24;
    text-decoration: none;
    font-weight: 600;
    font-size: 10.5px;
    white-space: nowrap;
    padding: 2px 7px;
    border-radius: 6px;
    background: rgba(245, 158, 11, 0.12);
    border: 1px solid rgba(245, 158, 11, 0.25);
    transition: background 0.15s ease;
}

.pmp-flow-link:hover {
    background: rgba(245, 158, 11, 0.25);
    color: #fef3c7;
}

/* Now Playing Card inside Drawer */
.pmp-now-playing {
    padding: 12px 14px;
    background: rgba(30, 41, 59, 0.45);
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.pmp-np-top {
    display: flex;
    align-items: center;
    gap: 12px;
}

.pmp-np-cover {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    object-fit: cover;
    border: 1px solid rgba(245, 158, 11, 0.4);
    flex-shrink: 0;
    background: #1e293b;
}

.pmp-np-text {
    flex: 1;
    min-width: 0;
}

.pmp-np-title {
    font-size: 13.5px;
    font-weight: 700;
    color: #f8fafc;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.pmp-np-artist {
    font-size: 11px;
    color: #fbbf24;
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Progress scrubber */
.pmp-progress-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10.5px;
    color: #94a3b8;
}

#pmp-root .pmp-range {
    flex: 1;
    width: auto;
    height: 5px;
    accent-color: #f59e0b;
    cursor: pointer;
    margin: 0;
}

/* Controls & Volume Row */
.pmp-transport-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-top: 10px;
}

.pmp-transport-main {
    display: flex;
    align-items: center;
    gap: 6px;
}

#pmp-root .pmp-ctrl-btn {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.05);
    color: #e2e8f0;
    font-size: 13px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
    padding: 0;
}

#pmp-root .pmp-ctrl-btn:hover {
    background: rgba(245, 158, 11, 0.2);
    border-color: rgba(245, 158, 11, 0.45);
    color: #fef3c7;
}

#pmp-root .pmp-ctrl-btn.active {
    background: rgba(245, 158, 11, 0.25);
    border-color: #f59e0b;
    color: #fbbf24;
}

#pmp-root .pmp-ctrl-play {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    border: none;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #0f172a;
    font-size: 15px;
    font-weight: 800;
    padding: 0;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.35);
    transition: transform 0.15s ease, background 0.15s ease;
}

#pmp-root .pmp-ctrl-play:hover {
    transform: scale(1.05);
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
}

.pmp-volume-wrap {
    display: flex;
    align-items: center;
    gap: 6px;
    min-width: 105px;
}

#pmp-root .pmp-vol-slider {
    width: 72px;
    height: 4px;
    accent-color: #f59e0b;
    cursor: pointer;
    margin: 0;
}

/* Track List (8 Songs) */
.pmp-track-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px 10px 10px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    max-height: 280px;
}

#pmp-root .pmp-track-item {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 6px 10px;
    border-radius: 10px;
    border: 1px solid transparent;
    background: rgba(255, 255, 255, 0.025);
    color: #e2e8f0;
    cursor: pointer;
    text-align: left;
    transition: all 0.15s ease;
    width: 100%;
}

#pmp-root .pmp-track-item:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(255, 255, 255, 0.1);
}

#pmp-root .pmp-track-item.active {
    background: rgba(245, 158, 11, 0.15);
    border-color: rgba(245, 158, 11, 0.45);
    color: #fef3c7;
}

.pmp-track-num {
    width: 20px;
    font-size: 11px;
    font-weight: 700;
    color: #64748b;
    text-align: center;
    flex-shrink: 0;
}

.pmp-track-item.active .pmp-track-num {
    color: #f59e0b;
}

.pmp-track-thumb {
    width: 28px;
    height: 28px;
    border-radius: 7px;
    object-fit: cover;
    flex-shrink: 0;
    background: #1e293b;
}

.pmp-track-meta {
    flex: 1;
    min-width: 0;
}

.pmp-track-name {
    font-size: 12.5px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.25;
}

.pmp-track-dur {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10.5px;
    color: #94a3b8;
    background: rgba(15, 23, 42, 0.55);
    padding: 2px 6px;
    border-radius: 6px;
    flex-shrink: 0;
}

/* Inline Trigger Button for ChessBoardComponent & ProPuzzleSolver */
.pmp-inline-trigger {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 11px;
    border-radius: 8px;
    border: 1px solid rgba(245, 158, 11, 0.45);
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.16), rgba(217, 119, 6, 0.08));
    color: #fbbf24;
    font-size: 12.5px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.18s ease;
    white-space: nowrap;
}

.pmp-inline-trigger:hover {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.28), rgba(217, 119, 6, 0.18));
    border-color: #f59e0b;
    transform: translateY(-1px);
}

/* Compact Village Audio & SFX Footer inside Drawer */
.pmp-sfx-footer {
    padding: 9px 14px 11px;
    background: rgba(15, 23, 42, 0.85);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
    font-size: 11.5px;
    color: #cbd5e1;
}

.pmp-sfx-group {
    display: flex;
    align-items: center;
    gap: 7px;
}

#pmp-root .pmp-sfx-chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 9px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.05);
    color: #e2e8f0;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
}

#pmp-root .pmp-sfx-chip:hover {
    border-color: rgba(245, 158, 11, 0.45);
    background: rgba(245, 158, 11, 0.14);
}

#pmp-root .pmp-sfx-chip.active {
    border-color: rgba(16, 185, 129, 0.5);
    background: rgba(16, 185, 129, 0.15);
    color: #6ee7b7;
}

#pmp-root .pmp-sfx-slider {
    width: 64px;
    height: 4px;
    accent-color: #10b981;
    cursor: pointer;
    margin: 0;
}

@media (max-width: 600px) {
    .pmp-mini-bar {
        left: 8px;
        top: max(62px, calc(env(safe-area-inset-top) + 58px));
        bottom: auto;
        max-width: calc(100vw - 16px);
    }
    .pmp-mini-bar:not(.is-expanded) {
        padding: 2px;
        opacity: 0.88;
    }
    .pmp-mini-bar:not(.is-expanded) .pmp-mini-cover-wrap {
        width: 32px;
        height: 32px;
    }

    /* Drawer becomes a compact bottom sheet on phones */
    .pmp-drawer-backdrop {
        align-items: flex-end;
        justify-content: center;
        padding: 0;
    }
    .pmp-drawer,
    #pmp-root #kingdom-audio-panel.pmp-drawer {
        width: 100%;
        max-height: min(72dvh, 560px);
        border-radius: 18px 18px 0 0;
        border-bottom: none;
        padding-bottom: env(safe-area-inset-bottom);
        animation: pmpSlideUp 0.24s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .pmp-drawer-header {
        position: relative;
        padding: 14px 12px 8px;
    }
    .pmp-drawer-header::before {
        content: '';
        position: absolute;
        top: 5px;
        left: 50%;
        width: 38px;
        height: 4px;
        margin-left: -19px;
        border-radius: 99px;
        background: rgba(255, 255, 255, 0.22);
    }
    .pmp-brand-badge {
        display: none;
    }
    .pmp-drawer-title {
        font-size: 13.5px;
    }

    /* Playlist tabs: single-row chips */
    .pmp-playlists-tabs {
        display: flex;
        gap: 6px;
        padding: 8px 12px;
        overflow-x: auto;
        scrollbar-width: none;
    }
    .pmp-playlists-tabs::-webkit-scrollbar {
        display: none;
    }
    #pmp-root .pmp-playlist-tab {
        flex: 0 0 auto;
        flex-direction: row;
        align-items: center;
        gap: 5px;
        padding: 6px 10px;
        border-radius: 99px;
    }
    .pmp-tab-top {
        width: auto;
        font-size: 13px;
    }
    .pmp-tab-count {
        display: none;
    }
    .pmp-tab-name {
        font-size: 11.5px;
        white-space: nowrap;
    }

    /* Now playing: tighter */
    .pmp-now-playing {
        padding: 8px 12px;
    }
    .pmp-np-cover {
        width: 38px;
        height: 38px;
        border-radius: 9px;
    }
    .pmp-np-title {
        font-size: 12.5px;
    }
    .pmp-progress-row {
        margin-top: 6px;
    }
    .pmp-transport-row {
        margin-top: 6px;
    }
    .pmp-transport-main {
        gap: 4px;
    }
    #pmp-root .pmp-ctrl-btn {
        width: 30px;
        height: 30px;
    }
    #pmp-root .pmp-ctrl-play {
        width: 36px;
        height: 36px;
    }
    .pmp-volume-wrap {
        min-width: 0;
    }
    #pmp-root .pmp-vol-slider {
        width: 56px;
    }

    /* Track list fills remaining space */
    .pmp-track-list {
        max-height: none;
        min-height: 0;
        padding: 6px 8px;
        gap: 2px;
    }
    #pmp-root .pmp-track-item {
        padding: 5px 8px;
    }
    .pmp-track-thumb {
        width: 24px;
        height: 24px;
    }
    .pmp-track-name {
        font-size: 12px;
    }

    /* SFX footer: one compact row */
    .pmp-sfx-footer {
        padding: 6px 12px 8px;
        gap: 6px;
        flex-wrap: nowrap;
    }
    #pmp-root .pmp-sfx-slider {
        display: none;
    }
    #pmp-root .pmp-sfx-chip {
        padding: 4px 8px;
        font-size: 10.5px;
        white-space: nowrap;
    }
}

@keyframes pmpSlideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}