/* ===== PRO UKULELE SIMULATOR ===== */
@import url('https://fonts.googleapis.com/css2?family=Pacifico&family=Poppins:wght@400;500;600;700;800&display=swap');

:root {
    --uku-bg:      #1a0f00;
    --uku-surface: #231500;
    --uku-card:    #2d1c05;
    --uku-border:  #4a2e08;
    --uku-wood:    #8b4513;
    --uku-light:   #d4873c;
    --uku-shine:   #f5c067;
    --uku-string:  #e8d5a3;
    --uku-text:    #fef3c7;
    --uku-muted:   #9a7040;
    --uku-teal:    #14b8a6;
    --uku-pink:    #ec4899;
    --uku-green:   #10b981;
    --uku-red:     #ef4444;
    --uku-blue:    #38bdf8;
}

/* Header */
.uku-header { background: linear-gradient(135deg, #1a0a00 0%, #5c2800 50%, #3d1800 100%) !important; }

/* Wrap */
.uku-wrap { background: var(--uku-surface); border-radius: 20px; overflow: hidden; box-shadow: 0 8px 60px rgba(139,69,19,.2), 0 20px 60px rgba(0,0,0,.7); border: 1px solid var(--uku-border); }

/* Toolbar */
.uku-toolbar { background: var(--uku-card); border-bottom: 1px solid var(--uku-border); padding: 12px 18px; display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; }
.uku-modes { display: flex; gap: 6px; flex-wrap: wrap; }
.uku-mode-btn { background: var(--uku-bg); border: 1px solid var(--uku-border); border-radius: 20px; padding: 7px 14px; font-size: .8rem; font-weight: 600; color: var(--uku-muted); cursor: pointer; transition: all .2s; font-family: 'Poppins', sans-serif; }
.uku-mode-btn:hover, .uku-mode-btn.active { background: var(--uku-light); color: #0a0500; border-color: var(--uku-light); box-shadow: 0 0 12px rgba(212,135,60,.4); }
.uku-ctrl-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.uku-ctrl { display: flex; align-items: center; gap: 6px; }
.uku-ctrl label { color: var(--uku-muted); font-size: .76rem; font-family: 'Poppins', sans-serif; white-space: nowrap; }
.uku-ctrl input[type="range"] { width: 70px; accent-color: var(--uku-shine); }
.uku-ctrl select { background: var(--uku-bg); color: var(--uku-text); border: 1px solid var(--uku-border); border-radius: 7px; padding: 4px 8px; font-size: .78rem; outline: none; font-family: 'Poppins', sans-serif; }

/* Main layout */
.uku-main { display: grid; grid-template-columns: 280px 1fr; min-height: 600px; }

/* Left panel */
.uku-left { border-right: 1px solid var(--uku-border); background: var(--uku-bg); padding: 16px 14px; overflow-y: auto; max-height: 700px; scrollbar-width: thin; scrollbar-color: var(--uku-border) var(--uku-bg); }
.uku-left::-webkit-scrollbar { width: 4px; }
.uku-left::-webkit-scrollbar-thumb { background: var(--uku-border); border-radius: 2px; }

/* Chord search */
.uku-chord-search { margin-bottom: 10px; }
.uku-chord-search input { width: 100%; background: var(--uku-card); border: 1px solid var(--uku-border); border-radius: 10px; padding: 9px 12px; color: var(--uku-text); font-size: .85rem; font-family: 'Poppins', sans-serif; outline: none; box-sizing: border-box; transition: border-color .2s; }
.uku-chord-search input:focus { border-color: var(--uku-light); }
.uku-chord-search input::placeholder { color: var(--uku-muted); }

/* Chord cats */
.uku-chord-cats { display: flex; gap: 5px; margin-bottom: 10px; flex-wrap: wrap; }
.uku-cat-btn { background: var(--uku-card); border: 1px solid var(--uku-border); border-radius: 20px; padding: 5px 12px; font-size: .75rem; font-weight: 600; color: var(--uku-muted); cursor: pointer; transition: all .2s; font-family: 'Poppins', sans-serif; }
.uku-cat-btn.active { background: var(--uku-light); color: #0a0500; border-color: var(--uku-light); }

/* Chord grid */
.uku-chord-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.uku-chord-btn { background: var(--uku-card); border: 1.5px solid var(--uku-border); border-radius: 10px; padding: 10px 6px; cursor: pointer; transition: all .2s; text-align: center; font-family: 'Poppins', sans-serif; }
.uku-chord-btn:hover { border-color: var(--uku-light); background: rgba(212,135,60,.1); }
.uku-chord-btn.active { background: linear-gradient(135deg, var(--uku-wood), var(--uku-light)); border-color: var(--uku-shine); box-shadow: 0 0 14px rgba(212,135,60,.4); }
.uku-chord-btn .uku-cb-name { font-size: .9rem; font-weight: 800; color: var(--uku-shine); display: block; }
.uku-chord-btn .uku-cb-type { font-size: .62rem; color: var(--uku-muted); display: block; }
.uku-chord-btn.active .uku-cb-name { color: #fff; }
.uku-chord-btn.active .uku-cb-type { color: #fde68a; }

/* Songs */
.uku-songs-header { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.uku-songs-header span { color: var(--uku-text); font-weight: 600; font-size: .88rem; font-family: 'Poppins', sans-serif; }
.uku-speed-ctrl { display: flex; align-items: center; gap: 6px; color: var(--uku-muted); font-size: .78rem; font-family: 'Poppins', sans-serif; }
.uku-speed-ctrl input { background: var(--uku-card); border: 1px solid var(--uku-border); border-radius: 6px; padding: 4px 8px; color: var(--uku-text); font-size: .78rem; outline: none; text-align: center; font-family: 'Poppins', sans-serif; }
.uku-songs-list { display: flex; flex-direction: column; gap: 8px; }
.uku-song-item { background: var(--uku-card); border: 1px solid var(--uku-border); border-radius: 12px; padding: 10px 12px; cursor: pointer; transition: all .2s; }
.uku-song-item:hover { border-color: var(--uku-light); }
.uku-song-item.playing { background: linear-gradient(135deg, rgba(139,69,19,.3), rgba(212,135,60,.2)); border-color: var(--uku-shine); }
.uku-song-title { font-size: .85rem; font-weight: 700; color: var(--uku-text); font-family: 'Poppins', sans-serif; display: flex; align-items: center; gap: 6px; justify-content: space-between; }
.uku-song-chords { font-size: .72rem; color: var(--uku-muted); font-family: 'Poppins', sans-serif; margin-top: 4px; }

/* Record */
.uku-rec-wrap { display: flex; flex-direction: column; gap: 12px; }
.uku-rec-status { display: flex; align-items: center; gap: 10px; background: var(--uku-card); border: 1px solid var(--uku-border); border-radius: 10px; padding: 10px 14px; }
.uku-rec-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--uku-muted); }
.uku-rec-dot.recording { background: var(--uku-red); animation: ukuRecPulse .8s ease-in-out infinite alternate; }
@keyframes ukuRecPulse { from { box-shadow: 0 0 4px rgba(239,68,68,.3); } to { box-shadow: 0 0 14px rgba(239,68,68,.9); } }
#ukuRecStatusText { color: var(--uku-text); font-weight: 600; font-size: .88rem; flex: 1; font-family: 'Poppins', sans-serif; }
.uku-rec-time { color: var(--uku-shine); font-weight: 700; font-size: 1rem; font-variant-numeric: tabular-nums; font-family: 'Pacifico', cursive; }
.uku-rec-btns { display: flex; flex-wrap: wrap; gap: 7px; }
.uku-rec-hint { color: var(--uku-muted); font-size: .78rem; margin: 0; font-family: 'Poppins', sans-serif; }

/* Buttons */
.uku-btn { background: var(--uku-card); color: var(--uku-text); border: 1px solid var(--uku-border); border-radius: 8px; padding: 7px 12px; font-size: .8rem; font-weight: 600; cursor: pointer; transition: all .2s; font-family: 'Poppins', sans-serif; }
.uku-btn:disabled { opacity: .4; cursor: not-allowed; }
.uku-btn.green { background: var(--uku-green); color: #000; border-color: var(--uku-green); }
.uku-btn.red   { background: var(--uku-red);   color: #fff; border-color: var(--uku-red); }
.uku-btn.blue  { background: var(--uku-blue);  color: #000; border-color: var(--uku-blue); }
.uku-btn.big   { padding: 9px 18px; font-size: .85rem; }
.uku-btn.small { padding: 4px 10px; font-size: .74rem; }

/* Right panel */
.uku-right { padding: 18px 20px; display: flex; flex-direction: column; gap: 16px; position: relative; }

/* Chord diagram */
.uku-diagram-wrap { background: var(--uku-card); border: 1px solid var(--uku-border); border-radius: 14px; padding: 14px; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.uku-diagram-title { font-family: 'Pacifico', cursive; font-size: 1.1rem; color: var(--uku-shine); }
.uku-diagram-fingering { font-size: .78rem; color: var(--uku-muted); font-family: 'Poppins', sans-serif; text-align: center; }

/* Active chord display */
.uku-active-chord { font-family: 'Pacifico', cursive; font-size: 1.6rem; color: var(--uku-shine); text-align: center; filter: drop-shadow(0 0 14px rgba(245,192,103,.4)); }

/* Ukulele instrument */
.uku-instrument { display: flex; justify-content: center; gap: 0; position: relative; }
.uku-neck { width: 70px; background: linear-gradient(90deg, #3d1a00, #5c2800, #3d1a00); border-radius: 10px 10px 0 0; border: 2px solid var(--uku-wood); border-bottom: none; position: relative; height: 140px; display: flex; flex-direction: column; justify-content: space-between; padding: 12px 0; }
.uku-fret-lines { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: space-evenly; }
.uku-fret-line { height: 2px; background: linear-gradient(90deg, transparent, rgba(212,135,60,.6), transparent); }
.uku-strings-neck { position: absolute; inset: 0; display: flex; justify-content: space-evenly; align-items: stretch; }
.uku-string-n { width: 2px; background: linear-gradient(180deg, rgba(232,213,163,.8), rgba(232,213,163,.3)); }

.uku-body-shape { width: 120px; background: radial-gradient(ellipse at 40% 40%, #8b5e1a, #5c2800 60%, #3d1500); border-radius: 50% 50% 60% 60%; border: 3px solid var(--uku-wood); position: relative; height: 160px; display: flex; flex-direction: column; align-items: center; justify-content: center; box-shadow: inset -6px -6px 20px rgba(0,0,0,.4), inset 4px 4px 12px rgba(255,200,100,.1), 4px 4px 20px rgba(0,0,0,.5); }
.uku-sound-hole { width: 40px; height: 40px; border-radius: 50%; background: radial-gradient(circle, #0a0500, #1a0800); border: 2px solid rgba(212,135,60,.3); box-shadow: 0 0 14px rgba(0,0,0,.6), inset 0 0 8px rgba(0,0,0,.9); margin-bottom: 8px; }
.uku-strings-body { display: flex; gap: 8px; padding: 0 10px; position: absolute; inset: 0; align-items: stretch; justify-content: center; }
.uku-string-b { width: 2.5px; background: linear-gradient(180deg, rgba(232,213,163,.9) 0%, rgba(232,213,163,.4) 100%); cursor: pointer; transition: background .1s; position: relative; }
.uku-string-b::after { content: ''; position: absolute; inset: 0; background: transparent; }
.uku-string-b.plucked { background: linear-gradient(180deg, rgba(245,192,103,1) 0%, rgba(245,192,103,.5) 100%); animation: ukuVibrate .3s ease-out; }
@keyframes ukuVibrate { 0%,100% { transform: scaleX(1); } 20% { transform: scaleX(3); } 40% { transform: scaleX(2); } 60% { transform: scaleX(2.5); } 80% { transform: scaleX(1.5); } }
.uku-bridge { width: 80px; height: 8px; background: linear-gradient(90deg, #3d1a00, #7c3d00, #3d1a00); border-radius: 4px; border: 1px solid var(--uku-wood); position: absolute; bottom: 18px; }

/* Fretboard */
.uku-fretboard-wrap { display: flex; flex-direction: column; gap: 8px; }
.uku-fret-label { font-size: .78rem; color: var(--uku-muted); font-family: 'Poppins', sans-serif; text-align: center; }
.uku-fretboard { display: grid; grid-template-columns: repeat(13, 1fr); border: 2px solid var(--uku-wood); border-radius: 8px; overflow: hidden; background: linear-gradient(90deg, #3d1a00, #5c2800); }
.uku-fb-cell { aspect-ratio: 1; border-right: 1px solid rgba(212,135,60,.3); border-bottom: 1px solid rgba(212,135,60,.15); display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all .15s; position: relative; }
.uku-fb-cell:hover { background: rgba(212,135,60,.2); }
.uku-fb-cell.active { background: rgba(245,192,103,.4); }
.uku-fb-cell .uku-dot { width: 14px; height: 14px; border-radius: 50%; background: var(--uku-shine); box-shadow: 0 0 8px rgba(245,192,103,.6); }
.uku-fb-cell .uku-open { font-size: .6rem; color: var(--uku-muted); font-family: 'Poppins', sans-serif; }
.uku-string-labels { display: flex; justify-content: space-around; padding: 0 2px; }
.uku-string-labels span { font-size: .72rem; color: var(--uku-shine); font-family: 'Poppins', sans-serif; font-weight: 700; }

/* Strum zone */
.uku-strum-zone { background: radial-gradient(ellipse at center, rgba(212,135,60,.1) 0%, transparent 70%); border: 2px dashed rgba(212,135,60,.3); border-radius: 16px; padding: 20px; text-align: center; cursor: pointer; transition: all .2s; }
.uku-strum-zone:hover, .uku-strum-zone:active { background: radial-gradient(ellipse at center, rgba(212,135,60,.25) 0%, transparent 70%); border-color: var(--uku-light); }
.uku-strum-icon { font-size: 2rem; animation: ukuBounce 2s ease-in-out infinite; }
@keyframes ukuBounce { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
.uku-strum-text { font-family: 'Pacifico', cursive; font-size: .9rem; color: var(--uku-shine); margin-bottom: 4px; }
.uku-strum-hint { font-size: .72rem; color: var(--uku-muted); font-family: 'Poppins', sans-serif; }

/* Strum buttons */
.uku-strum-btns { display: flex; gap: 8px; flex-wrap: wrap; }
.uku-strum-btn { flex: 1; background: var(--uku-card); border: 1px solid var(--uku-border); border-radius: 10px; padding: 10px 8px; font-size: .82rem; font-weight: 600; color: var(--uku-text); cursor: pointer; transition: all .2s; font-family: 'Poppins', sans-serif; text-align: center; min-width: 70px; }
.uku-strum-btn:hover { border-color: var(--uku-light); background: rgba(212,135,60,.1); }
.uku-strum-btn:active { transform: scale(.95); }

/* Auto strum */
.uku-auto-strum { background: var(--uku-card); border: 1px solid var(--uku-border); border-radius: 14px; padding: 14px; }
.uku-auto-label { font-size: .78rem; font-weight: 700; color: var(--uku-muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 10px; font-family: 'Poppins', sans-serif; }
.uku-pattern-grid { display: flex; gap: 6px; margin-bottom: 10px; flex-wrap: wrap; }
.uku-pattern-btn { background: var(--uku-bg); border: 1px solid var(--uku-border); border-radius: 8px; padding: 7px 12px; font-size: .78rem; font-weight: 600; color: var(--uku-muted); cursor: pointer; transition: all .2s; font-family: 'Poppins', sans-serif; }
.uku-pattern-btn.active { background: var(--uku-wood); color: var(--uku-shine); border-color: var(--uku-light); }
.uku-auto-btn { width: 100%; background: linear-gradient(135deg, var(--uku-wood), var(--uku-light)); color: #0a0500; border: none; border-radius: 10px; padding: 11px; font-size: .88rem; font-weight: 700; cursor: pointer; transition: all .2s; font-family: 'Poppins', sans-serif; }
.uku-auto-btn.running { background: linear-gradient(135deg, var(--uku-red), #b91c1c); color: #fff; }
.uku-auto-btn:hover { opacity: .9; transform: translateY(-1px); }

/* Visualizer */
.uku-viz { width: 100%; height: 50px; background: var(--uku-bg); display: block; border-top: 1px solid var(--uku-border); }

/* Fretboard panel */
#ukuPanelFretboard { padding: 4px 0; }

/* Responsive */
@media (max-width: 900px) { .uku-main { grid-template-columns: 1fr; } .uku-left { max-height: none; border-right: none; border-bottom: 1px solid var(--uku-border); } }
@media (max-width: 480px) { .uku-chord-grid { grid-template-columns: repeat(3, 1fr); } .uku-body-shape { width: 90px; } .uku-neck { width: 55px; } }