/* ===== PRO HARMONICA ===== */
:root {
    --prh-bg:      #0a0f1e;
    --prh-surface: #111827;
    --prh-card:    #1a2035;
    --prh-border:  #2a3550;
    --prh-accent:  #3b82f6;
    --prh-gold:    #f59e0b;
    --prh-green:   #10b981;
    --prh-red:     #ef4444;
    --prh-blue:    #3ecfff;
    --prh-text:    #e2e8f0;
    --prh-muted:   #64748b;
    --blow-color:  #3b82f6;
    --draw-color:  #f59e0b;
    --blow-active: #60a5fa;
    --draw-active: #fbbf24;
}

/* Wrap */
.prh-wrap { background: var(--prh-bg); border-radius: 20px; overflow: hidden; box-shadow: 0 8px 60px rgba(59,130,246,.15); position: relative; }
.prh-wrap::before { content:''; position:absolute; top:-100px; right:-100px; width:300px; height:300px; background: radial-gradient(circle, rgba(59,130,246,.1) 0%, transparent 70%); pointer-events:none; }

/* Header */
.prh-header { background: linear-gradient(135deg, #1e3a5f 0%, #1e40af 50%, #1d4ed8 100%) !important; }

/* Toolbar */
.prh-toolbar { background: var(--prh-surface); border-bottom: 1px solid var(--prh-border); padding: 12px 18px; display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; }
.prh-modes { display: flex; gap: 6px; flex-wrap: wrap; }
.prh-mode-btn { background: var(--prh-card); color: var(--prh-muted); border: 1px solid var(--prh-border); border-radius: 30px; padding: 7px 16px; font-size: .82rem; font-weight: 600; cursor: pointer; transition: all .2s; }
.prh-mode-btn:hover, .prh-mode-btn.active { background: var(--prh-accent); color: #fff; border-color: var(--prh-accent); box-shadow: 0 0 14px rgba(59,130,246,.4); }
.prh-controls { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.prh-ctrl { display: flex; align-items: center; gap: 6px; }
.prh-ctrl label { color: var(--prh-muted); font-size: .78rem; white-space: nowrap; }
.prh-ctrl select, .prh-ctrl input[type="number"] { background: var(--prh-card); color: var(--prh-text); border: 1px solid var(--prh-border); border-radius: 8px; padding: 5px 8px; font-size: .8rem; outline: none; }
.prh-ctrl input[type="range"] { width: 70px; accent-color: var(--prh-accent); }
.prh-ctrl input[type="number"] { width: 56px; text-align: center; }
.prh-toggle { background: var(--prh-card); color: var(--prh-muted); border: 1px solid var(--prh-border); border-radius: 8px; padding: 5px 12px; font-size: .78rem; cursor: pointer; transition: all .2s; }
.prh-toggle.active { background: var(--prh-accent); color: #fff; border-color: var(--prh-accent); }
#prhBlowBtn.active { background: var(--blow-color); border-color: var(--blow-color); color: #fff; }
#prhDrawBtn.active { background: var(--draw-color); border-color: var(--draw-color); color: #000; }

/* Buttons */
.prh-btn { background: var(--prh-card); color: var(--prh-text); border: 1px solid var(--prh-border); border-radius: 8px; padding: 7px 14px; font-size: .82rem; font-weight: 600; cursor: pointer; transition: all .2s; white-space: nowrap; }
.prh-btn:disabled { opacity: .4; cursor: not-allowed; }
.prh-btn.green { background: var(--prh-green); color: #000; border-color: var(--prh-green); }
.prh-btn.red   { background: var(--prh-red);   color: #fff; border-color: var(--prh-red); }
.prh-btn.blue  { background: var(--prh-blue);  color: #000; border-color: var(--prh-blue); }
.prh-btn.big   { padding: 10px 22px; font-size: .9rem; }
.prh-btn.small { padding: 4px 10px; font-size: .75rem; }
.prh-btn:not(.green):not(.red):not(.blue):hover:not(:disabled) { background: var(--prh-border); }

/* Panel */
.prh-panel { padding: 16px 18px; border-bottom: 1px solid var(--prh-border); }

/* Tiles */
.prh-tiles-header { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 12px; }
.prh-score-box { background: var(--prh-card); border: 1px solid var(--prh-border); border-radius: 10px; padding: 6px 14px; text-align: center; min-width: 68px; }
.prh-sc-label { font-size: .7rem; color: var(--prh-muted); text-transform: uppercase; }
.prh-sc-val { font-size: 1.4rem; font-weight: 800; color: var(--prh-gold); }
.prh-sc-val.prh-miss { color: var(--prh-red); }
.prh-tiles-song-sel { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; flex: 1; }
.prh-tiles-song-sel label { color: var(--prh-muted); font-size: .8rem; }
.prh-tiles-song-sel select { background: var(--prh-card); color: var(--prh-text); border: 1px solid var(--prh-border); border-radius: 8px; padding: 6px 10px; font-size: .82rem; outline: none; flex: 1; min-width: 130px; }
.prh-tiles-canvas-wrap { position: relative; width: 100%; height: 250px; background: #050a14; border-radius: 12px; overflow: hidden; border: 1px solid var(--prh-border); }
#prhTilesCanvas { width: 100%; height: 100%; display: block; }
.prh-tiles-overlay { position: absolute; inset: 0; background: rgba(5,10,20,.85); backdrop-filter: blur(4px); display: flex; align-items: center; justify-content: center; z-index: 10; }
.prh-overlay-msg { text-align: center; color: var(--prh-text); }
.prh-overlay-msg h3 { font-size: 1.3rem; margin: 8px 0 4px; }
.prh-overlay-msg p { color: var(--prh-muted); font-size: .85rem; margin: 3px 0; }

/* Record */
.prh-record-panel { display: flex; flex-direction: column; gap: 12px; }
.prh-rec-status { display: flex; align-items: center; gap: 10px; background: var(--prh-card); border: 1px solid var(--prh-border); border-radius: 10px; padding: 10px 14px; }
.prh-rec-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--prh-muted); transition: background .3s; }
.prh-rec-dot.recording { background: var(--prh-red); animation: prhRecPulse .8s ease-in-out infinite alternate; }
@keyframes prhRecPulse { from { box-shadow: 0 0 4px rgba(239,68,68,.4); } to { box-shadow: 0 0 14px rgba(239,68,68,.9); } }
#prhRecStatusText { color: var(--prh-text); font-weight: 600; font-size: .9rem; flex: 1; }
.prh-rec-time { color: var(--prh-gold); font-weight: 700; font-size: 1.1rem; font-variant-numeric: tabular-nums; }
.prh-rec-btns { display: flex; flex-wrap: wrap; gap: 8px; }
.prh-rec-hint { color: var(--prh-muted); font-size: .82rem; margin: 0; }

/* Songs */
.prh-songs { padding: 14px 18px; border-bottom: 1px solid var(--prh-border); }
.prh-songs-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; color: var(--prh-text); font-weight: 600; font-size: .9rem; flex-wrap: wrap; }
.prh-song-speed-row { display: flex; align-items: center; gap: 6px; color: var(--prh-muted); font-size: .8rem; font-weight: 400; }
.prh-song-speed-row select { background: var(--prh-card); color: var(--prh-text); border: 1px solid var(--prh-border); border-radius: 6px; padding: 4px 8px; font-size: .78rem; outline: none; }
.prh-songs-grid { display: flex; flex-wrap: wrap; gap: 7px; }
.prh-song-btn { background: var(--prh-card); color: var(--prh-text); border: 1px solid var(--prh-border); border-radius: 20px; padding: 6px 14px; font-size: .8rem; cursor: pointer; transition: all .2s; white-space: nowrap; }
.prh-song-btn:hover { border-color: var(--prh-accent); color: var(--prh-accent); }
.prh-song-btn.playing { background: var(--prh-accent); color: #fff; border-color: var(--prh-accent); animation: prhSongPulse 1.2s ease-in-out infinite alternate; }
@keyframes prhSongPulse { from { box-shadow: 0 0 8px rgba(59,130,246,.4); } to { box-shadow: 0 0 20px rgba(59,130,246,.8); } }
.prh-song-cat { color: var(--prh-muted); font-size: .72rem; padding: 2px 10px; background: var(--prh-surface); border-radius: 20px; border: 1px solid var(--prh-border); pointer-events: none; }

/* Harmonica body */
.prh-harmonica-wrap { padding: 20px 18px 14px; overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* Tab notation row */
.prh-tab-row { display: flex; gap: 0; margin-bottom: 8px; min-width: 600px; }
.prh-tab-cell { flex: 1; text-align: center; font-size: .7rem; font-weight: 700; color: var(--prh-muted); padding: 4px 2px; }
.prh-tab-cell.blow-active { color: var(--blow-color); animation: prhTabFlash .3s ease-out; }
.prh-tab-cell.draw-active { color: var(--draw-color); animation: prhTabFlash .3s ease-out; }
@keyframes prhTabFlash { from { opacity: 0; transform: scale(.8); } to { opacity: 1; transform: scale(1); } }

/* Harmonica */
.prh-harmonica { display: flex; min-width: 600px; border-radius: 14px; overflow: hidden; box-shadow: 0 8px 40px rgba(0,0,0,.6), inset 0 2px 4px rgba(255,255,255,.05); border: 2px solid #334155; background: linear-gradient(180deg, #2d3a4a 0%, #1e2a38 50%, #2d3a4a 100%); }

.prh-hole-col { flex: 1; display: flex; flex-direction: column; border-right: 1px solid rgba(255,255,255,.06); }
.prh-hole-col:last-child { border-right: none; }

/* Number label */
.prh-hole-num { background: rgba(0,0,0,.4); color: var(--prh-muted); font-size: .72rem; font-weight: 800; text-align: center; padding: 5px 2px; border-bottom: 1px solid rgba(255,255,255,.06); }

/* Blow cell */
.prh-blow-cell, .prh-draw-cell {
    flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
    padding: 10px 4px; cursor: pointer; user-select: none; transition: all .12s; position: relative; min-height: 70px;
}
.prh-blow-cell { background: linear-gradient(180deg, rgba(59,130,246,.08) 0%, rgba(59,130,246,.04) 100%); border-bottom: 1px solid rgba(59,130,246,.1); }
.prh-draw-cell { background: linear-gradient(180deg, rgba(245,158,11,.04) 0%, rgba(245,158,11,.08) 100%); }

.prh-blow-cell:hover { background: rgba(59,130,246,.2); }
.prh-draw-cell:hover { background: rgba(245,158,11,.2); }

.prh-blow-cell.active { background: rgba(59,130,246,.5); box-shadow: inset 0 0 20px rgba(59,130,246,.4); transform: scale(.97); }
.prh-draw-cell.active { background: rgba(245,158,11,.5); box-shadow: inset 0 0 20px rgba(245,158,11,.4); transform: scale(.97); }

.prh-cell-note { font-size: .75rem; font-weight: 800; color: rgba(255,255,255,.7); }
.prh-blow-cell .prh-cell-note { color: var(--blow-color); }
.prh-draw-cell .prh-cell-note { color: var(--draw-color); }

.prh-blow-cell.active .prh-cell-note { color: #fff; }
.prh-draw-cell.active .prh-cell-note { color: #fff; }

.prh-cell-arrow { font-size: .8rem; opacity: .5; }
.prh-blow-cell .prh-cell-arrow { color: var(--blow-color); }
.prh-draw-cell .prh-cell-arrow { color: var(--draw-color); }

/* Tiles hit flash */
.prh-blow-cell.tiles-hit { background: rgba(16,185,129,.5); box-shadow: inset 0 0 20px rgba(16,185,129,.5); }
.prh-draw-cell.tiles-hit { background: rgba(16,185,129,.5); box-shadow: inset 0 0 20px rgba(16,185,129,.5); }

/* Key hint */
.prh-key-hint { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; padding: 10px 0 4px; color: var(--prh-muted); font-size: .75rem; }

/* Scrollbar */
.prh-harmonica-wrap::-webkit-scrollbar { height: 4px; }
.prh-harmonica-wrap::-webkit-scrollbar-track { background: var(--prh-surface); }
.prh-harmonica-wrap::-webkit-scrollbar-thumb { background: var(--prh-border); border-radius: 2px; }

/* Responsive */
@media (max-width: 768px) {
    .prh-toolbar { padding: 10px 14px; }
    .prh-mode-btn { padding: 6px 12px; font-size: .78rem; }
    .prh-controls { gap: 8px; }
    .prh-panel, .prh-songs { padding: 12px 14px; }
    .prh-harmonica-wrap { padding: 14px 10px 8px; }
    .prh-harmonica { min-width: 460px; }
    .prh-tab-row { min-width: 460px; }
    .prh-blow-cell, .prh-draw-cell { min-height: 56px; padding: 7px 2px; }
    .prh-cell-note { font-size: .68rem; }
    .prh-tiles-canvas-wrap { height: 200px; }
}
@media (max-width: 480px) {
    .prh-harmonica { min-width: 380px; }
    .prh-tab-row { min-width: 380px; }
    .prh-blow-cell, .prh-draw-cell { min-height: 48px; }
    .prh-cell-note { font-size: .62rem; }
    .prh-hole-num { font-size: .65rem; }
    .prh-tiles-canvas-wrap { height: 170px; }
}
@media (hover: none) and (pointer: coarse) {
    .prh-blow-cell, .prh-draw-cell { min-height: 64px; }
}