:root{
  --bg:#0c0d10;
  --panel-a:#2a2d33; --panel-b:#1c1e23; --panel-edge:#0a0b0e;
  --panel-shine:rgba(255,255,255,0.04);
  --label:#d6cbab; --label-dim:#8a8270;
  --led-amber:#ff9a3c; --led-amber-glow:rgba(255,154,60,.55);
  --led-cyan:#5fc6c4; --led-red:#ff5040; --led-green:#7eea9a;
  --indicator:#f4b942;
  --display-bg:#0a1410; --display-text:#7eea9a; --display-text-amber:#ffb152;
  --accent:#ff9a3c; --grid-line:rgba(255,255,255,0.03);
  --tk-bg:#16181c; --tk-bg-hi:#1f2228; --tk-bg-active:#2a2418;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--label);font-family:'Bebas Neue',sans-serif;letter-spacing:.06em;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body{
  background:
    radial-gradient(ellipse at 50% -20%, rgba(255,154,60,0.06), transparent 60%),
    radial-gradient(ellipse at 50% 120%, rgba(95,198,196,0.04), transparent 60%),
    var(--bg);
  min-height:100vh; background-attachment:fixed;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size:24px 24px;
  mask-image:radial-gradient(ellipse at center, black 30%, transparent 80%);
}
body::after{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.08 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  opacity:.5; mix-blend-mode:overlay;
}

/* === STICKY TOPBAR === */
.topbar{
  position:sticky;top:0;z-index:50;
  display:grid;grid-template-columns:auto 1fr auto auto auto;align-items:center;gap:14px;
  padding:10px 16px;
  background:linear-gradient(180deg,#1a1c20 0%,#0f1014 100%);
  border-bottom:1px solid #2a2d33;
  box-shadow:0 6px 18px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.05);
  backdrop-filter:blur(6px);
}
.brand{display:flex;align-items:baseline;gap:14px}
.brand .logo{font-family:'Major Mono Display',monospace;font-size:26px;line-height:1;color:#fff;text-shadow:0 0 12px rgba(255,154,60,.4);letter-spacing:.12em}
.brand .subtitle{font-size:12px;color:var(--label-dim);letter-spacing:.3em}
.brand .badge{font-family:'JetBrains Mono',monospace;font-size:9px;padding:3px 6px;border:1px solid #44382a;color:#c79452;background:#1a140c;border-radius:2px;letter-spacing:.15em}
.tb-group{display:flex;align-items:center;gap:8px}

.btn{
  font-family:'Bebas Neue',sans-serif;letter-spacing:.18em;font-size:12px;
  background:linear-gradient(180deg,#3a3d44,#22252a);
  border:1px solid #4a4d54;color:#e0d8c2;
  padding:7px 12px;border-radius:3px;cursor:pointer;
  box-shadow:0 2px 0 #000, inset 0 1px 0 rgba(255,255,255,.08);
  transition:all .08s; user-select:none;
}
.btn:hover{background:linear-gradient(180deg,#444750,#262931);color:#fff}
.btn:active{transform:translateY(1px);box-shadow:0 1px 0 #000}
.btn.primary{background:linear-gradient(180deg,#c87a30,#8a5018);border-color:#a86420;color:#fff;text-shadow:0 1px 0 rgba(0,0,0,.4)}
.btn.primary:hover{background:linear-gradient(180deg,#dc8a3c,#9a5a1c)}
.btn.danger{background:linear-gradient(180deg,#a83a30,#5a201a);border-color:#80281e;color:#fff}
.btn.small{padding:4px 8px;font-size:10px;letter-spacing:.14em}

/* TRANSPORT */
.transport{display:flex;gap:4px;align-items:center;padding:4px;background:#0a0b0e;border:1px solid #1d1f24;border-radius:3px}
.tp{
  width:36px;height:28px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(180deg,#2a2d33,#16181c);
  border:1px solid #3a3d44;border-radius:2px;cursor:pointer;color:#d6cbab;
  transition:all .1s;
}
.tp:hover{color:#fff;background:linear-gradient(180deg,#33363c,#1a1c20)}
.tp.on{background:linear-gradient(180deg,#c87a30,#7a4814);border-color:#dc8a3c;color:#fff;box-shadow:0 0 8px rgba(255,154,60,.45)}
.tp svg{width:14px;height:14px;fill:currentColor}

.lcd-input, .lcd{
  font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--display-text);
  background:var(--display-bg);
  padding:5px 8px;border:1px solid #1f3a2a;border-radius:2px;
  box-shadow:inset 0 0 8px rgba(0,0,0,.7), inset 0 0 10px rgba(126,234,154,.05);
  letter-spacing:.08em;text-align:center;outline:none;
  transition:border-color .12s, box-shadow .12s;
}
.lcd-input{width:78px;cursor:ns-resize}
.lcd-input:hover{border-color:#2f5a42}
.lcd-input:focus{border-color:var(--display-text);box-shadow:inset 0 0 8px rgba(0,0,0,.7), 0 0 6px rgba(126,234,154,.25);cursor:text}
.lcd.amber{color:var(--display-text-amber);border-color:#3a2a14;box-shadow:inset 0 0 8px rgba(0,0,0,.7), inset 0 0 10px rgba(255,154,60,.06)}

.tb-stat{display:flex;align-items:center;gap:5px;font-size:11px;color:var(--label-dim);letter-spacing:.18em}

/* === MAIN LAYOUT === */
main{position:relative;z-index:2;padding:12px;display:flex;flex-direction:column;gap:10px}

.panel{
  position:relative;
  background:linear-gradient(180deg, var(--panel-a) 0%, var(--panel-b) 100%);
  border:1px solid #404048; border-radius:4px;
  padding:14px 12px 12px;
  box-shadow:0 3px 0 var(--panel-edge), 0 8px 22px rgba(0,0,0,.5), inset 0 1px 0 var(--panel-shine), inset 0 -1px 0 rgba(0,0,0,.3);
}
.panel::before, .panel::after{
  content:"";position:absolute;width:11px;height:11px;border-radius:50%;
  background:radial-gradient(circle at 35% 30%, #d8c397 0%, #8a7458 35%, #5c4a35 70%, #2b2218 100%);
  box-shadow:0 1px 2px rgba(0,0,0,.7), inset 0 0 0 1px rgba(0,0,0,.4);
  top:6px;
}
.panel::before{left:6px} .panel::after{right:6px}
.panel > .scrb-l, .panel > .scrb-r{
  position:absolute;width:11px;height:11px;border-radius:50%;bottom:6px;
  background:radial-gradient(circle at 35% 30%, #d8c397 0%, #8a7458 35%, #5c4a35 70%, #2b2218 100%);
  box-shadow:0 1px 2px rgba(0,0,0,.7), inset 0 0 0 1px rgba(0,0,0,.4);
}
.panel > .scrb-l{left:6px} .panel > .scrb-r{right:6px}

.ptitle{text-align:center;font-size:17px;color:var(--label);margin:2px 0 12px;letter-spacing:.32em;text-shadow:0 1px 0 rgba(0,0,0,.6);position:relative}
.ptitle::before, .ptitle::after{content:"";position:absolute;top:50%;width:30%;height:1px;background:linear-gradient(to right, transparent, #6c6760, transparent)}
.ptitle::before{left:8%} .ptitle::after{right:8%}

/* === MIXER + PATTERN GRID === */
.mixer{display:flex;flex-direction:column;gap:6px}
.mixer-head{
  display:grid;grid-template-columns:300px 1fr;gap:8px;
  padding:6px 8px;
  font-family:'JetBrains Mono',monospace;font-size:9px;color:var(--label-dim);letter-spacing:.15em;
  border-bottom:1px solid #2a2d33;
}
.mixer-head .cols{display:grid;grid-template-columns:repeat(8,1fr);gap:4px;align-items:center}
.mixer-head .cols span{text-align:center}

.track{
  display:grid;grid-template-columns:300px 1fr;gap:8px;align-items:stretch;
  background:linear-gradient(180deg, var(--tk-bg-hi), var(--tk-bg));
  border:1px solid #2a2d33;border-left:3px solid var(--tk-color, #ff9a3c);border-radius:3px;
  padding:6px;
  transition:background .1s, border-color .1s;
}
.track.active{background:linear-gradient(180deg, var(--tk-bg-active), var(--tk-bg));border-color:#4a4034}
.track.muted{opacity:.55}
.track-strip{display:grid;grid-template-columns:auto 1fr auto auto;gap:6px;align-items:center}
.tk-handle{width:18px;height:32px;display:flex;align-items:center;justify-content:center;background:var(--tk-color,#ff9a3c);color:#000;font-family:'Bebas Neue',sans-serif;font-size:11px;border-radius:2px;cursor:pointer;font-weight:700}
.tk-info{display:flex;flex-direction:column;gap:2px;min-width:0}
.tk-name{font-family:'Bebas Neue',sans-serif;font-size:13px;color:#fff;letter-spacing:.16em;background:transparent;border:0;outline:none;width:100%;padding:1px 0;cursor:text}
.tk-name:hover, .tk-name:focus{background:rgba(255,255,255,.04);border-radius:2px;padding:1px 4px}
.tk-type-row{display:flex;gap:4px;align-items:center;font-size:9px;color:var(--label-dim);letter-spacing:.18em;font-family:'JetBrains Mono',monospace}
.tk-mini{display:flex;flex-direction:column;align-items:center;gap:2px}
.tk-mini .knob{width:28px;height:28px}
.tk-mini .knob-label{font-size:8px;color:var(--label-dim);letter-spacing:.1em}
.tk-strip-knobs{display:grid;grid-template-columns:repeat(8,1fr);gap:3px;align-items:center}
.tk-strip-knobs .knob-value{font-size:8px;padding:0 3px;min-width:30px}

.steps-row{display:flex;gap:3px;align-items:stretch;min-width:0;overflow-x:auto;min-height:36px}
.step{
  flex:1;min-width:18px;
  background:linear-gradient(180deg,#1a1c20,#0f1014);
  border:1px solid #2a2d33;border-radius:2px;cursor:pointer;
  position:relative;
  display:flex;align-items:flex-end;justify-content:center;
  font-family:'JetBrains Mono',monospace;font-size:8px;color:#444;
  user-select:none;transition:background .06s, border-color .06s, box-shadow .06s;
  padding-bottom:2px;
}
.step:hover{border-color:#5a5d63;background:#1f2228}
.step.beat{border-left:2px solid #44382a}
.step.on{background:linear-gradient(180deg,var(--tk-color,#ff9a3c),#7a4814);border-color:#dc8a3c;color:#fff;box-shadow:0 0 6px rgba(255,154,60,.35),inset 0 1px 0 rgba(255,255,255,.15)}
.step.playing{box-shadow:0 0 14px var(--led-amber), inset 0 0 8px rgba(255,255,255,.25);border-color:#ffd58a}
.step .vel-ind{position:absolute;top:1px;left:2px;right:2px;height:2px;background:var(--led-green);border-radius:1px;opacity:.85}
.step .pitch-tag{position:absolute;top:1px;right:2px;font-size:8px;opacity:.85;color:#fff}
.step .prob-tag{position:absolute;bottom:1px;left:2px;font-size:7px;opacity:.65;color:#fff}

.track-toolbar{display:grid;grid-template-columns:repeat(2,20px);gap:3px;padding:0 2px;align-content:center}
.tk-btn.dup, .tk-btn.cp, .tk-btn.pt{font-size:10px}
.tk-btn.cp.on, .tk-btn.pt.on{background:linear-gradient(180deg,#5fc6c4,#2a7a78);color:#000;border-color:#5fc6c4}
.tk-btn{
  width:22px;height:22px;display:flex;align-items:center;justify-content:center;
  background:#1a1c20;border:1px solid #2a2d33;border-radius:2px;color:var(--label-dim);
  cursor:pointer;font-family:'Bebas Neue',sans-serif;font-size:11px;letter-spacing:.1em;user-select:none;
  transition:all .08s;
}
.tk-btn:hover{color:#fff;border-color:#4a4d54}
.tk-btn.on{background:linear-gradient(180deg,#c87a30,#7a4814);color:#fff;border-color:#dc8a3c;box-shadow:0 0 6px rgba(255,154,60,.4)}
.tk-btn.solo.on{background:linear-gradient(180deg,#a8c843,#5a7a14);border-color:#c8e848;box-shadow:0 0 6px rgba(168,200,67,.5);color:#000}
.tk-btn.del{color:#ff7060}
.tk-btn.del:hover{background:#3a1818;border-color:#a83a30;color:#fff}

.add-track-row{padding:8px;text-align:center;display:flex;justify-content:center;gap:10px}
.add-track-btn{
  display:inline-flex;align-items:center;gap:8px;padding:8px 16px;
  background:transparent;border:1px dashed #4a4d54;color:var(--label-dim);
  border-radius:3px;cursor:pointer;font-family:'Bebas Neue',sans-serif;font-size:12px;letter-spacing:.2em;
  transition:all .1s;
}
.add-track-btn:hover{border-color:#dc8a3c;color:#ffb152}

/* === EDITOR & FX & PRESETS === */
.editor-wrap{display:grid;grid-template-columns:1fr 320px;gap:10px}
@media (max-width:1100px){.editor-wrap{grid-template-columns:1fr}}
.editor-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:8px}

.m-osc1, .m-osc2, .m-osc3{grid-column:span 4}
.m-noise, .m-mix, .m-filter{grid-column:span 4}
.m-ampenv, .m-filtenv, .m-pitchenv{grid-column:span 4}
.m-lfo1, .m-lfo2{grid-column:span 6}
.m-modmatrix, .m-drum{grid-column:span 12}
@media (max-width:900px){
  .m-osc1, .m-osc2, .m-osc3, .m-noise, .m-mix, .m-filter,
  .m-ampenv, .m-filtenv, .m-pitchenv, .m-lfo1, .m-lfo2{grid-column:span 12}
}

.knob-row{display:flex;justify-content:space-around;flex-wrap:wrap;gap:8px 4px}
.knob-wrap{display:flex;flex-direction:column;align-items:center;gap:3px;min-width:48px}
.knob-label{font-size:9px;color:var(--label-dim);letter-spacing:.2em;text-align:center}
.knob-value{
  font-family:'JetBrains Mono',monospace;font-size:9px;color:var(--display-text-amber);
  background:var(--display-bg);padding:1px 5px;border:1px solid #3a2a14;border-radius:2px;
  min-width:42px;text-align:center;letter-spacing:.05em;
  box-shadow:inset 0 0 4px rgba(0,0,0,.7);
}
.knob{position:relative;width:42px;height:42px;cursor:ns-resize;user-select:none;touch-action:none}
.knob.small{width:32px;height:32px}
.knob svg{width:100%;height:100%;display:block;overflow:visible}

.selector{display:flex;background:#0a0b0e;border:1px solid #1d1f24;border-radius:3px;padding:2px;gap:2px;box-shadow:inset 0 1px 3px rgba(0,0,0,.6)}
.selector button{flex:1;background:transparent;border:0;color:var(--label-dim);font-family:'Bebas Neue',sans-serif;letter-spacing:.16em;font-size:11px;padding:5px 6px;cursor:pointer;border-radius:2px;transition:all .1s}
.selector button:hover{color:var(--label)}
.selector button.on{background:linear-gradient(180deg,#3a3d44,#22252a);color:#fff;box-shadow:0 1px 0 rgba(255,255,255,.06) inset, 0 0 8px rgba(255,154,60,.15);border:1px solid #4a4034}

.row{display:flex;gap:8px;align-items:center;justify-content:center;margin-bottom:6px;flex-wrap:wrap}
.row.tight{margin-bottom:3px}
.sep{height:1px;background:linear-gradient(to right, transparent, #44464c, transparent);margin:7px 0}

.module-mute{position:absolute;top:6px;right:24px;width:20px;height:18px;background:#1a1c20;border:1px solid #2a2d33;border-radius:2px;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--label-dim);font-family:'Bebas Neue',sans-serif;font-size:10px;letter-spacing:.1em;z-index:1;user-select:none}
.module-mute:hover{color:#fff}
.module-mute.on{background:#3a1818;border-color:#a83a30;color:#ff7060}

.matrix{display:grid;grid-template-columns:repeat(2, 1fr);gap:8px}
@media (max-width:900px){.matrix{grid-template-columns:1fr}}
.mod-slot{display:grid;grid-template-columns:1fr 1fr 50px 22px;gap:6px;align-items:center;background:linear-gradient(180deg,#1a1c20,#141519);border:1px solid #2a2d33;border-radius:3px;padding:6px 8px}
.mod-slot select{background:var(--display-bg);color:var(--display-text);border:1px solid #1f3a2a;border-radius:2px;font-family:'JetBrains Mono',monospace;font-size:10px;padding:3px 4px;letter-spacing:.05em}
.mod-slot select:focus{outline:1px solid var(--led-amber)}
.mod-slot .knob-wrap{min-width:0}

.side{display:flex;flex-direction:column;gap:10px}
.preset-browser{max-height:480px;overflow-y:auto;display:flex;flex-direction:column}
.preset-list{display:flex;flex-direction:column;gap:2px;overflow-y:auto;max-height:380px}
.preset-cat-title{font-family:'JetBrains Mono',monospace;font-size:9px;color:var(--label-dim);padding:8px 4px 3px;letter-spacing:.2em;border-bottom:1px solid #2a2d33;margin-top:4px}
.preset-cat-title:first-child{margin-top:0}
.preset-item{display:flex;justify-content:space-between;align-items:center;padding:5px 8px;background:#16181c;border:1px solid #2a2d33;border-radius:2px;cursor:pointer;transition:all .08s;font-size:11px;letter-spacing:.12em;color:#d6cbab}
.preset-item:hover{background:#1f2228;border-color:#4a4d54;color:#fff}
.preset-item .tag{font-family:'JetBrains Mono',monospace;font-size:8px;color:var(--label-dim);letter-spacing:.1em}
.preset-toolbar{display:flex;gap:6px;align-items:center;margin-bottom:6px}
.preset-toolbar input{flex:1;width:auto}

.scope-wrap{background:var(--display-bg);border:1px solid #1f3a2a;border-radius:3px;padding:6px;box-shadow:inset 0 0 12px rgba(0,0,0,.7), inset 0 0 18px rgba(126,234,154,.04)}
.scope-wrap canvas{display:block;width:100%;height:100%}

.keys{display:flex;justify-content:center;align-items:flex-end;position:relative;height:110px;background:#0a0b0e;border-radius:3px;border:1px solid #2a2d33;padding:4px;box-shadow:inset 0 1px 6px rgba(0,0,0,.7);user-select:none;overflow-x:auto}
.keys .key{position:relative;flex-shrink:0;width:28px;height:100%;background:linear-gradient(180deg,#f5efde 0%, #e6dfcc 70%, #c8c0a8 100%);border:1px solid #2a2522;border-radius:0 0 4px 4px;margin:0 1px;cursor:pointer;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;padding-bottom:6px;box-shadow:0 4px 0 #1a1410, inset 0 -8px 14px rgba(0,0,0,.1);transition:all .04s}
.keys .key.black{background:linear-gradient(180deg,#1a1a1c 0%, #0c0c0e 100%);width:20px;height:62%;margin:0 -10px;z-index:2;border-color:#000;color:#888;box-shadow:0 4px 0 #000, inset 0 -6px 10px rgba(255,255,255,.05)}
.keys .key.active{background:linear-gradient(180deg,#ffc88a 0%, #f5a050 70%, #d07820 100%);transform:translateY(2px);box-shadow:0 2px 0 #1a1410, inset 0 -8px 14px rgba(120,60,0,.2)}
.keys .key.black.active{background:linear-gradient(180deg,#c87a30 0%, #803c10 100%);box-shadow:0 2px 0 #000, inset 0 -6px 10px rgba(255,255,255,.1)}
.keys .key .hot{font-family:'JetBrains Mono',monospace;font-size:9px;color:#5a4a30;font-weight:700}
.keys .key.black .hot{color:#a09078}

.hint{font-family:'JetBrains Mono',monospace;font-size:10px;color:var(--label-dim);letter-spacing:.05em}
.kbd{font-family:'JetBrains Mono',monospace;font-size:10px;padding:2px 5px;border:1px solid #44464c;background:#1a1c20;color:#d4c8a8;border-radius:2px;letter-spacing:.05em}
.kbd-hint{display:flex;gap:6px;align-items:center;flex-wrap:wrap;color:var(--label-dim);font-family:'JetBrains Mono',monospace;font-size:10px}

.fx-strip{display:grid;grid-template-columns:repeat(6, 1fr);gap:6px;align-items:stretch}
.fx-cell{background:linear-gradient(180deg,#222428,#16181c);border:1px solid #2e3036;border-radius:3px;padding:6px 4px;display:flex;flex-direction:column;align-items:center;gap:5px;position:relative}
.fx-cell .name{font-size:11px;letter-spacing:.22em;color:var(--label-dim);text-align:center}
@media (max-width:780px){.fx-strip{grid-template-columns:repeat(3,1fr)}}

input[type=number], input[type=text]{background:var(--display-bg);color:var(--display-text);border:1px solid #1f3a2a;border-radius:2px;font-family:'JetBrains Mono',monospace;font-size:11px;padding:4px 6px;width:80px;letter-spacing:.05em}
input[type=file]{display:none}

.footer{position:relative;z-index:2;text-align:center;color:var(--label-dim);font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.05em;margin:18px 0 8px}

.center{text-align:center}
.mt8{margin-top:8px}
.right{margin-left:auto}

.panel.editor-panel{border-left:3px solid var(--tk-color,#ff9a3c)}

/* render progress overlay */
.render-overlay{position:fixed;inset:0;background:rgba(10,11,14,.85);z-index:100;display:none;align-items:center;justify-content:center}
.render-overlay.show{display:flex}
.render-overlay .box{background:linear-gradient(180deg,#2a2d33,#1c1e23);border:1px solid #4a4d54;border-radius:6px;padding:30px 50px;text-align:center;box-shadow:0 0 40px rgba(255,154,60,.3)}
.render-overlay .label{font-family:'Bebas Neue',sans-serif;letter-spacing:.32em;font-size:20px;color:var(--accent);margin-bottom:14px}
.render-overlay .sub{font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--label-dim);letter-spacing:.1em}