/* DILLTRONICS LAB — Vintage drum-box hardware
   Walnut case · matte black faceplate · orange silkscreen · cream/color plastic buttons
   Albums share a color; states (focus/select) override with LED indicators. */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@500;600;700&family=IBM+Plex+Mono:wght@400;500;700&display=swap');

:root {
  /* Walnut case */
  --wood-1: #6b3e1c;
  --wood-2: #4a2810;
  --wood-3: #2a1606;
  --wood-hi: #8c5a30;

  /* Black faceplate + silkscreen */
  --face-0: #0a0a0a;
  --face-1: #161616;
  --face-2: #1d1d1d;
  --face-3: #262626;
  --face-hi: #2f2f2f;
  --silk:        #ece2c4;
  --silk-dim:    #9c9170;
  --orange:      #f47820;
  --orange-glow: rgba(244,120,32,0.45);

  /* Backlit display */
  --lcd-bg:      #0d0d0d;
  --lcd-ink:     #ff7b1c;
  --lcd-ink-dim: #6a3008;
  --lcd-glow:    rgba(255,123,28,0.4);

  /* Injection-molded plastic — CR-78 colorways */
  --btn-cream:    #e6d9b6;  --btn-cream-hi: #f3eccb;  --btn-cream-lo: #b6a878;
  --btn-blue:     #4b8fc4;  --btn-blue-hi:  #7ab1de;  --btn-blue-lo:  #2a5e8a;
  --btn-yellow:   #f0c63a;  --btn-yellow-hi:#fadc78;  --btn-yellow-lo:#a78318;
  --btn-red:      #c83a26;  --btn-red-hi:   #e86150;  --btn-red-lo:   #821a0a;
  --btn-green:    #4a9560;  --btn-green-hi: #6fb284;  --btn-green-lo: #265a36;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  background: #000;
  color: var(--silk);
  font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.2;
  font-size: 12px;
  text-transform: uppercase;
  cursor: default;
  -webkit-font-smoothing: antialiased;
}

body {
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(ellipse at 50% 0%, var(--wood-hi) 0%, var(--wood-1) 25%, var(--wood-2) 60%, var(--wood-3) 100%);
  padding: 44px 40px 52px;
  position: relative;
}
/* WALNUT GRAIN — three SVG turbulence layers (cathedral figure + medium streaks + pores) */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='1600' height='1200' viewBox='0 0 1600 1200' preserveAspectRatio='none'><filter id='w'><feTurbulence type='turbulence' baseFrequency='0.004 0.55' numOctaves='2' seed='9' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 1.7 -0.35'/></filter><rect width='100%25' height='100%25' filter='url(%23w)'/></svg>"),
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='2200' height='1400' viewBox='0 0 2200 1400' preserveAspectRatio='none'><filter id='w'><feTurbulence type='turbulence' baseFrequency='0.0018 0.06' numOctaves='2' seed='17' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 1.15 -0.6'/></filter><rect width='100%25' height='100%25' filter='url(%23w)'/></svg>"),
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='600' height='600' viewBox='0 0 600 600'><filter id='w'><feTurbulence type='fractalNoise' baseFrequency='0.95' numOctaves='1' seed='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.45 -0.25'/></filter><rect width='100%25' height='100%25' filter='url(%23w)'/></svg>");
  background-size: 1600px 1200px, 100% 100%, 300px 300px;
  background-repeat: repeat;
  mix-blend-mode: multiply;
  opacity: 0.9;
  z-index: 1;
}
/* Inner rabbet — wood casts a shadow into the recessed faceplate */
body::after {
  content: "";
  position: fixed;
  inset: 44px 40px 52px 40px;
  pointer-events: none;
  box-shadow:
    inset 0 8px 10px rgba(0,0,0,0.85),
    inset 0 -5px 8px rgba(0,0,0,0.7),
    inset 5px 0 8px rgba(0,0,0,0.7),
    inset -5px 0 8px rgba(0,0,0,0.7),
    0 0 0 1px #000,
    0 -2px 0 1px rgba(255,255,255,0.07),
    0 4px 0 1px rgba(0,0,0,0.75);
  z-index: 2;
}

/* ─── HEADER (orange wordmark on black faceplate) ────────────────────────── */
header {
  padding: 18px 28px 16px;
  background: linear-gradient(180deg, var(--face-3) 0%, var(--face-2) 100%);
  border-bottom: 1px solid #000;
  box-shadow: inset 0 1px 0 var(--face-hi), 0 1px 0 rgba(0,0,0,0.8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  position: relative;
  z-index: 3;
}
h1 {
  font-family: 'Inter', sans-serif;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--orange);
  text-transform: none;
  text-shadow: 0 1px 0 rgba(0,0,0,0.7);
  flex-shrink: 0;
}
h1::after {
  content: "RHYTHM COMPOSER · MODEL DLT-3000";
  display: block;
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--silk);
  margin-top: 4px;
  text-transform: uppercase;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 20px;
  flex: 1;
  justify-content: flex-end;
}
header .meta {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--silk-dim);
  text-transform: uppercase;
  text-align: right;
  line-height: 1.6;
  max-width: 380px;
}
.header-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}
.header-actions button {
  padding: 8px 12px;
  font-size: 10px;
  letter-spacing: 0.14em;
}

/* ─── MAIN GRID ──────────────────────────────────────────────────────────── */
main {
  flex: 1;
  display: grid;
  grid-template-columns: var(--loops-w, 320px) 6px 1fr;
  overflow: hidden;
  position: relative;
  z-index: 3;
}
#splitter {
  background: linear-gradient(180deg, var(--face-3) 0%, var(--face-1) 100%);
  border-left: 1px solid #000;
  border-right: 1px solid #000;
  cursor: col-resize;
  user-select: none;
}
#splitter:hover { background: var(--orange); }
body.splitter-dragging { cursor: col-resize; user-select: none; }
section {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--face-1);
}
#loops-pane {
  border-right: 1px solid #000;
  box-shadow: inset -1px 0 0 var(--face-hi), 1px 0 0 rgba(0,0,0,0.8);
}

/* ─── LOOPS TOOLBAR ──────────────────────────────────────────────────────── */
.loops-toolbar {
  display: flex;
  background: linear-gradient(180deg, var(--face-3) 0%, var(--face-2) 100%);
  border-bottom: 1px solid #000;
  box-shadow: inset 0 -1px 0 var(--face-hi), 0 1px 0 #000;
  padding: 26px 10px 12px;
  gap: 8px;
  position: relative;
}
.loops-toolbar::before {
  content: "PATTERN BANK";
  position: absolute;
  top: 7px;
  left: 14px;
  font-family: 'Inter', sans-serif;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--orange);
}

#loops-filter {
  flex: 1;
  min-width: 0;
  padding: 8px 12px;
  border: none;
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: linear-gradient(180deg, var(--lcd-bg) 0%, #050505 100%);
  color: var(--lcd-ink);
  text-shadow: 0 0 5px var(--lcd-glow);
  box-shadow:
    inset 0 2px 3px #000,
    0 0 0 1px #000,
    0 0 0 2px var(--face-hi);
}
#loops-filter::placeholder { color: var(--lcd-ink-dim); }
#loops-filter:focus {
  outline: none;
  box-shadow:
    inset 0 2px 3px #000,
    0 0 0 1px #000,
    0 0 0 2px var(--lcd-ink);
}

#random-loop {
  width: 56px;
  flex-shrink: 0;
  border: 1px solid #000;
  background: linear-gradient(180deg, var(--btn-yellow-hi) 0%, var(--btn-yellow) 55%, var(--btn-yellow-lo) 100%);
  color: #3a2a04;
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-indent: 0.18em;
  text-align: center;
  cursor: default;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.7),
    inset 0 -2px 3px rgba(0,0,0,0.35),
    0 1px 0 #000,
    0 2px 3px rgba(0,0,0,0.6);
}
#random-loop:hover { filter: brightness(1.1); }
#random-loop:active { transform: translateY(1px); box-shadow: inset 0 2px 3px rgba(0,0,0,0.5); }

/* ─── LOOPS LIST (plastic button rack, color-by-album) ───────────────────── */
#loops-list {
  list-style: none;
  overflow-y: auto;
  flex: 1;
  outline: none;
  background: linear-gradient(180deg, var(--face-1) 0%, var(--face-0) 100%);
  padding: 10px 8px;
}
#loops-list::-webkit-scrollbar { width: 8px; }
#loops-list::-webkit-scrollbar-track { background: var(--face-0); }
#loops-list::-webkit-scrollbar-thumb { background: var(--face-hi); border: 1px solid #000; }

#loops-list li {
  padding: 8px 12px 8px 26px;
  margin-bottom: 4px;
  cursor: default;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  min-width: 0;
  overflow: hidden;
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 600;
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: #1a1208;
  border: 1px solid #000;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.6),
    inset 0 -2px 3px rgba(0,0,0,0.22),
    0 1px 0 #000,
    0 1px 2px rgba(0,0,0,0.4);
  position: relative;
  text-transform: none;
  /* Default = cream — overridden by .color-N below */
  background: linear-gradient(180deg, var(--btn-cream-hi) 0%, var(--btn-cream) 55%, var(--btn-cream-lo) 100%);
}

/* Loop name truncates with ellipsis. BPM stays right. */
#loops-list li .name {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
#loops-list li .bpm {
  flex: 0 0 auto;
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

/* Album color bands — every loop sharing a prefix gets the same plastic. */
#loops-list li.color-1 {
  background: linear-gradient(180deg, var(--btn-cream-hi) 0%, var(--btn-cream) 55%, var(--btn-cream-lo) 100%);
  color: #1a1208;
}
#loops-list li.color-2 {
  background: linear-gradient(180deg, var(--btn-yellow-hi) 0%, var(--btn-yellow) 55%, var(--btn-yellow-lo) 100%);
  color: #2a1f04;
}
#loops-list li.color-3 {
  background: linear-gradient(180deg, var(--btn-blue-hi) 0%, var(--btn-blue) 55%, var(--btn-blue-lo) 100%);
  color: #04101c;
}
#loops-list li.color-4 {
  background: linear-gradient(180deg, var(--btn-green-hi) 0%, var(--btn-green) 55%, var(--btn-green-lo) 100%);
  color: #04140a;
}
#loops-list li.color-5 {
  background: linear-gradient(180deg, var(--btn-red-hi) 0%, var(--btn-red) 55%, var(--btn-red-lo) 100%);
  color: #fff4ee;
  text-shadow: 0 1px 0 rgba(0,0,0,0.4);
}

/* LED indicator on each row */
#loops-list li::before {
  content: "";
  position: absolute;
  left: 9px; top: 50%;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #2a0a08;
  box-shadow: inset 0 1px 1px rgba(0,0,0,0.85), inset 0 -1px 1px rgba(255,255,255,0.15);
  transform: translateY(-50%);
}
#loops-list li:hover { filter: brightness(1.12); }
#loops-list li.focused {
  box-shadow:
    inset 0 2px 4px rgba(0,0,0,0.45),
    inset 0 -1px 0 rgba(255,255,255,0.15),
    0 1px 0 rgba(0,0,0,0.3);
  transform: translateY(1px);
}
#loops-list li.focused::before {
  background: radial-gradient(circle at 35% 35%, #fff2a0 0%, #ffaa18 50%, #4a2800 100%);
  box-shadow: 0 0 6px #ffaa18, 0 0 12px rgba(255,170,24,0.7);
}
#loops-list li.selected {
  font-weight: 700;
  box-shadow:
    inset 0 3px 5px rgba(0,0,0,0.55),
    inset 0 -1px 0 rgba(255,255,255,0.15),
    0 0 0 1px var(--orange),
    0 0 6px rgba(244,120,32,0.55);
  transform: translateY(1px);
}
#loops-list li.selected::before {
  background: radial-gradient(circle at 35% 35%, #fff0e8 0%, #ff3a1a 45%, #4a0a00 100%);
  box-shadow: 0 0 7px #ff3a1a, 0 0 14px rgba(255,58,26,0.8);
}

/* ─── EDITOR PANE ────────────────────────────────────────────────────────── */
#editor-pane {
  padding: 0;
  overflow-y: auto;
  background: linear-gradient(180deg, var(--face-1) 0%, var(--face-0) 100%);
}
#editor-pane::-webkit-scrollbar { width: 10px; }
#editor-pane::-webkit-scrollbar-track { background: var(--face-0); }
#editor-pane::-webkit-scrollbar-thumb { background: var(--face-hi); border: 1px solid #000; }

#editor-empty {
  color: var(--silk-dim);
  padding: 140px 24px;
  text-align: center;
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.22em;
  opacity: 0.7;
}

#editor { padding: 32px 32px 40px; }

#editor-title {
  font-family: 'Inter', sans-serif;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--orange);
  text-transform: uppercase;
  word-break: break-all;
  margin: 0 0 6px;
}

/* ─── WAVEFORM LCD ───────────────────────────────────────────────────────── */
.lane {
  position: relative;
  margin-bottom: 8px;
  padding-top: 0;
}
.lane::before {
  content: "";
  display: none;
  font-family: 'Inter', sans-serif;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--orange);
}

#waveform-wrap {
  position: relative;
  height: 180px;
  background: var(--lcd-bg);
  border: 1px solid #000;
  box-shadow:
    inset 0 2px 6px #000,
    inset 0 0 30px rgba(255,123,28,0.05),
    0 0 0 2px var(--face-hi),
    0 0 0 3px #000,
    0 4px 8px rgba(0,0,0,0.7);
  overflow: hidden;
}
#waveform-wrap::before {
  content: "";
  position: absolute; inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(0deg, rgba(0,0,0,0.22) 0 1px, transparent 1px 3px);
  z-index: 2;
}
#waveform-wrap::after {
  content: "";
  position: absolute; inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at 50% 50%, transparent 0%, rgba(0,0,0,0.35) 100%);
  z-index: 3;
}
#waveform {
  display: block;
  width: 100%;
  height: 100%;
  /* Re-tint the black-on-white canvas to glowing orange. */
  filter: invert(1) sepia(1) hue-rotate(-30deg) saturate(7) brightness(0.95) contrast(1.1);
  mix-blend-mode: screen;
  position: relative;
  z-index: 1;
}

#playhead {
  position: absolute;
  top: 0; bottom: 0;
  width: 2px;
  background: #fff;
  box-shadow: 0 0 4px rgba(255,255,255,0.85), 0 0 10px rgba(255,123,28,0.7);
  pointer-events: none;
  left: -10px;
  display: none;
  z-index: 6;
}
#playhead.on { display: block; }

.hit-marker {
  position: absolute;
  top: 0; bottom: 0;
  border-left: 1px solid rgba(255,123,28,0.55);
  cursor: default;
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  padding: 0 0 6px 6px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--silk);
  text-shadow: 0 0 4px #000, 0 0 8px rgba(0,0,0,0.85);
  user-select: none;
  z-index: 4;
}
.hit-marker.focused {
  border-left: 2px solid var(--orange);
  background: linear-gradient(180deg, rgba(244,120,32,0.04) 0%, rgba(244,120,32,0.22) 100%);
  box-shadow: inset 0 0 18px rgba(244,120,32,0.18);
  color: #fff;
  z-index: 5;
}
.hit-marker.swapped {
  background: linear-gradient(180deg, rgba(200,58,38,0.04) 0%, rgba(200,58,38,0.14) 100%);
}
.hit-corner {
  position: absolute;
  top: 4px;
  left: 5px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0;
  color: var(--orange);
  pointer-events: none;
}
.hit-corner.fav { color: #ffaa18; text-shadow: 0 0 4px rgba(255,170,24,0.8); }

/* ─── HIT CONTROLS BAR ───────────────────────────────────────────────────── */
#hit-controls {
  margin: 8px 0 6px;
  padding: 12px 14px;
  background: linear-gradient(180deg, var(--face-3) 0%, var(--face-2) 100%);
  border: 1px solid #000;
  box-shadow: inset 0 1px 0 var(--face-hi), 0 1px 0 rgba(0,0,0,0.7);
}
.hit-controls-row {
  display: flex;
  align-items: stretch;
  gap: 8px;
}
#hit-prev, #hit-next, #hit-mode, #hit-fav {
  width: 48px;
  height: 42px;
  padding: 0;
  font-size: 16px;
  letter-spacing: 0;
  flex-shrink: 0;
}
#hit-prev, #hit-next {
  background: linear-gradient(180deg, var(--btn-cream-hi) 0%, var(--btn-cream) 55%, var(--btn-cream-lo) 100%);
  color: #2a2008;
}
#hit-mode {
  background: linear-gradient(180deg, var(--btn-cream-hi) 0%, var(--btn-cream) 55%, var(--btn-cream-lo) 100%);
  color: #2a2008;
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: 14px;
}
#hit-mode.mode-A {
  background: linear-gradient(180deg, var(--btn-blue-hi) 0%, var(--btn-blue) 55%, var(--btn-blue-lo) 100%);
  color: #06141e;
}
#hit-mode.mode-LOCK {
  background: linear-gradient(180deg, var(--btn-red-hi) 0%, var(--btn-red) 55%, var(--btn-red-lo) 100%);
  color: #fff4ee;
  text-shadow: 0 1px 0 rgba(0,0,0,0.5);
}
#hit-fav {
  background: linear-gradient(180deg, var(--btn-cream-hi) 0%, var(--btn-cream) 55%, var(--btn-cream-lo) 100%);
  color: #2a2008;
}
#hit-fav.on {
  background: linear-gradient(180deg, var(--btn-yellow-hi) 0%, var(--btn-yellow) 55%, var(--btn-yellow-lo) 100%);
  color: #3a2a04;
}
#fav-mode {
  width: 110px;
  height: 42px;
  font-size: 10px;
  letter-spacing: 0.14em;
  flex-shrink: 0;
  background: linear-gradient(180deg, var(--btn-cream-hi) 0%, var(--btn-cream) 55%, var(--btn-cream-lo) 100%);
  color: #2a2008;
}
#fav-mode.on {
  background: linear-gradient(180deg, var(--btn-green-hi) 0%, var(--btn-green) 55%, var(--btn-green-lo) 100%);
  color: #04140a;
  box-shadow:
    inset 0 2px 4px rgba(0,0,0,0.4),
    inset 0 1px 0 rgba(255,255,255,0.2),
    0 0 0 1px var(--orange),
    0 0 6px rgba(244,120,32,0.5);
}
.hit-controls-row #current-cand {
  margin: 0;
  flex: 1;
  min-width: 0;
  min-height: 42px;
  padding: 10px 14px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--lcd-ink);
  text-shadow: 0 0 4px var(--lcd-glow);
  background: linear-gradient(180deg, var(--lcd-bg) 0%, #050505 100%);
  border: 1px solid #000;
  box-shadow:
    inset 0 2px 3px #000,
    0 0 0 1px var(--face-hi);
  text-transform: none;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}
.hit-controls-row #current-cand::before {
  content: "";
  position: absolute; inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(0deg, rgba(0,0,0,0.22) 0 1px, transparent 1px 3px);
}
#current-cand .label { color: var(--lcd-ink-dim); }

/* ─── CONTROLS / FADERS ──────────────────────────────────────────────────── */
.controls { margin-top: 24px; }
.controls .slider-row {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 12px;
  padding: 10px 16px;
  background: linear-gradient(180deg, var(--face-3) 0%, var(--face-2) 100%);
  border: 1px solid #000;
  box-shadow: inset 0 1px 0 var(--face-hi), 0 1px 0 rgba(0,0,0,0.7);
}
.slider-row label {
  width: 60px;
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--orange);
  text-transform: uppercase;
  flex-shrink: 0;
}

.slider-row input[type=range] {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 22px;
  background: transparent;
  cursor: default;
}
.slider-row input[type=range]::-webkit-slider-runnable-track {
  height: 6px;
  background: linear-gradient(180deg, #050505 0%, #000 100%);
  border: 1px solid #000;
  box-shadow: inset 0 2px 3px rgba(0,0,0,0.9);
}
.slider-row input[type=range]::-moz-range-track {
  height: 6px;
  background: linear-gradient(180deg, #050505, #000);
  border: 1px solid #000;
}
.slider-row input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 18px;
  margin-top: -8px;
  background: linear-gradient(180deg, var(--btn-cream-hi) 0%, var(--btn-cream) 45%, var(--btn-cream-lo) 100%);
  border: 1px solid #000;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.7),
    inset 0 -2px 2px rgba(0,0,0,0.3),
    0 1px 0 #000,
    0 2px 3px rgba(0,0,0,0.6);
}
.slider-row input[type=range]::-moz-range-thumb {
  width: 22px;
  height: 18px;
  background: linear-gradient(180deg, var(--btn-cream-hi) 0%, var(--btn-cream-lo) 100%);
  border: 1px solid #000;
}

.slider-row output {
  width: 92px;
  text-align: right;
  font-family: 'IBM Plex Mono', monospace;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.02em;
  padding: 6px 10px;
  color: var(--lcd-ink);
  background: linear-gradient(180deg, var(--lcd-bg) 0%, #050505 100%);
  text-shadow: 0 0 4px var(--lcd-glow);
  border: 1px solid #000;
  box-shadow: inset 0 2px 3px #000, 0 0 0 1px var(--face-hi);
  flex-shrink: 0;
}

/* ─── TRANSPORT (color-coded plastic action pads) ────────────────────────── */
.actions {
  display: flex;
  gap: 6px;
  margin-top: 26px;
  flex-wrap: wrap;
  padding-top: 18px;
  position: relative;
}
.actions button {
  padding: 10px 12px;
  font-size: 10px;
  letter-spacing: 0.12em;
  flex: 1 1 0;
  min-width: 0;
  white-space: nowrap;
}
.actions::before {
  content: "TRANSPORT";
  position: absolute;
  top: 0;
  left: 0;
  font-family: 'Inter', sans-serif;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--orange);
}

/* Base button = cream plastic. Specific IDs override below. */
button {
  background: linear-gradient(180deg, var(--btn-cream-hi) 0%, var(--btn-cream) 55%, var(--btn-cream-lo) 100%);
  color: #2a2008;
  border: 1px solid #000;
  padding: 13px 22px;
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-indent: 0.18em;
  text-align: center;
  text-transform: uppercase;
  cursor: default;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.7),
    inset 0 -3px 4px rgba(0,0,0,0.25),
    0 1px 0 #000,
    0 3px 4px rgba(0,0,0,0.55);
}
button:hover { filter: brightness(1.1); }
button:active {
  filter: brightness(0.85);
  box-shadow: inset 0 2px 5px rgba(0,0,0,0.4);
  transform: translateY(1px);
}
button:focus { outline: none; }

.header-actions button,
#play-btn, #randomize-btn, #export-btn, #hits-zip-btn, #reset-btn {
  /* covered by per-id rules below */
}

.header-actions button {
  background: linear-gradient(180deg, var(--btn-blue-hi) 0%, var(--btn-blue) 55%, var(--btn-blue-lo) 100%);
  color: #06141e;
}
#play-btn {
  background: linear-gradient(180deg, var(--btn-green-hi) 0%, var(--btn-green) 55%, var(--btn-green-lo) 100%);
  color: #04140a;
}
#randomize-btn {
  background: linear-gradient(180deg, var(--btn-yellow-hi) 0%, var(--btn-yellow) 55%, var(--btn-yellow-lo) 100%);
  color: #3a2a04;
}
#export-btn, #hits-zip-btn {
  background: linear-gradient(180deg, var(--btn-blue-hi) 0%, var(--btn-blue) 55%, var(--btn-blue-lo) 100%);
  color: #06141e;
}
#reset-btn {
  background: linear-gradient(180deg, var(--btn-red-hi) 0%, var(--btn-red) 55%, var(--btn-red-lo) 100%);
  color: #fff4ee;
  text-shadow: 0 1px 0 rgba(0,0,0,0.5);
}

/* per-hit favorite star — top-right of each hit tile */
.hit-star {
  position: absolute;
  top: 3px;
  right: 4px;
  width: 18px;
  height: 18px;
  padding: 0;
  background: transparent;
  border: none;
  color: rgba(0,0,0,0.45);
  font-family: 'Archivo Black', sans-serif;
  font-size: 14px;
  line-height: 1;
  cursor: default;
  z-index: 6;
}
.hit-star:hover { color: var(--gold-deep); }
.hit-star.on    { color: var(--gold-deep); text-shadow: 0 0 4px var(--gold); }

/* ─── HIT LABEL DROPDOWN ─────────────────────────────────────────────── */
#hit-label {
  width: 60px;
  height: 44px;
  flex-shrink: 0;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 13px;
  background: var(--white);
  color: var(--black);
  border: 3px solid var(--black);
  text-align: center;
  text-align-last: center;
  padding: 0 4px;
  cursor: default;
  -webkit-appearance: none;
  appearance: none;
}
#hit-label:hover { background: var(--gold); }

/* ─── FAVORITES MODAL ────────────────────────────────────────────────── */
#favs-modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
}
#favs-modal[hidden] { display: none; }
.favs-panel {
  width: min(900px, 90vw);
  max-height: 84vh;
  background: var(--white);
  border: 4px solid var(--black);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.favs-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: var(--blue);
  border-bottom: 4px solid var(--black);
}
.favs-head h3 {
  font-family: 'Archivo Black', sans-serif;
  font-size: 24px;
  letter-spacing: -0.02em;
}
.favs-actions { display: flex; gap: 8px; }
#favs-body {
  overflow-y: auto;
  padding: 18px 20px 22px;
  flex: 1;
}
.favs-group { margin-bottom: 20px; }
.favs-group h4 {
  font-family: 'Archivo Black', sans-serif;
  font-size: 16px;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
  color: var(--black);
  border-bottom: 2px solid var(--black);
  padding-bottom: 4px;
}
.favs-group-empty { color: rgba(0,0,0,0.4); font-size: 11px; padding: 6px 0; }
.fav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-bottom: 1px solid var(--blue-line);
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 11px;
  color: var(--black);
  text-transform: lowercase;
}
.fav-item:hover { background: var(--gold); }
.fav-item .fav-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fav-item .fav-bpm { color: rgba(0,0,0,0.6); font-size: 10px; }
.fav-item button {
  padding: 4px 8px;
  font-size: 10px;
  border-width: 2px;
}

/* mute + lock as their own buttons */
#hit-mute, #hit-lock {
  width: 52px; height: 44px; font-size: 16px; padding: 0; flex-shrink: 0;
}
#hit-mute.muted { background: var(--red); color: var(--white); }
#hit-lock.locked { background: var(--black); color: var(--gold); }

/* center text in the random-loop button */
#random-loop {
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ─── HOTKEYS PANEL — mirrors PATTERN BANK styling ─────────────────────────── */
#hotkeys-toggle {
  width: 32px;
  height: 32px;
  padding: 0;
  font-size: 16px;
  line-height: 1;
  border-radius: 4px;
  margin-left: 12px;
}
#hotkeys-panel {
  border-left: 1px solid #000;
  box-shadow: inset 1px 0 0 var(--face-hi), -1px 0 0 rgba(0,0,0,0.8);
}
#hotkeys-panel[hidden],
#hotkeys-splitter[hidden] { display: none !important; }
.hotkeys-toolbar {
  display: flex;
  background: linear-gradient(180deg, var(--face-3) 0%, var(--face-2) 100%);
  border-bottom: 1px solid #000;
  box-shadow: inset 0 -1px 0 var(--face-hi), 0 1px 0 #000;
  padding: 26px 10px 12px;
  gap: 8px;
  position: relative;
  justify-content: flex-end;
}
.hotkeys-toolbar::before {
  content: "HOTKEYS";
  position: absolute;
  top: 7px;
  left: 14px;
  font-family: 'Inter', sans-serif;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--orange);
}
#hotkeys-close {
  width: 36px;
  height: 32px;
  padding: 0;
  font-size: 16px;
  line-height: 1;
  flex-shrink: 0;
}
.hotkeys-list {
  list-style: none;
  margin: 0;
  padding: 8px 0;
  overflow-y: auto;
}
.hotkeys-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border-bottom: 1px dotted rgba(255,255,255,0.08);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--silk);
  text-transform: uppercase;
}
.hotkeys-list li span {
  margin-left: auto;
  color: var(--silk-dim);
}
.hotkeys-list kbd {
  display: inline-block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  padding: 2px 6px;
  background: linear-gradient(180deg, var(--lcd-bg) 0%, #050505 100%);
  border: 1px solid #000;
  box-shadow: inset 0 1px 2px #000, 0 0 0 1px var(--face-hi);
  color: var(--lcd-ink);
  text-shadow: 0 0 4px var(--lcd-glow);
  min-width: 18px;
  text-align: center;
}
#hotkeys-splitter {
  background: linear-gradient(180deg, var(--face-3) 0%, var(--face-1) 100%);
  border-left: 1px solid #000;
  border-right: 1px solid #000;
  cursor: col-resize;
  user-select: none;
}
#hotkeys-splitter:hover { background: var(--orange); }
body.hotkeys-open main {
  grid-template-columns: var(--loops-w, 320px) 6px 1fr 6px var(--hotkeys-w, 300px);
}
body.hotkeys-open #hotkeys-splitter { display: block; }
body.hotkeys-open { padding-right: 44px; }


/* ─── MOBILE: pattern bank only, tap to play ──────────────────────────────── */
@media (max-width: 700px) {
  body { padding: 0; }
  body::after { display: none; }
  header { padding: 12px 14px; gap: 12px; }
  h1 { font-size: 18px; }
  h1::after { font-size: 8px; letter-spacing: 0.16em; }
  main { grid-template-columns: 1fr !important; }
  #splitter,
  #editor-pane,
  #hotkeys-splitter,
  #hotkeys-panel,
  #hotkeys-toggle { display: none !important; }
  body.hotkeys-open main { grid-template-columns: 1fr !important; }
  #loops-list li { padding: 14px 16px; font-size: 13px; }
  #loops-filter { font-size: 13px; padding: 12px; }
  .loops-toolbar { padding: 30px 10px 14px; }
  #random-loop { width: 64px; font-size: 12px; }
}

/* ─── HIT CONTROLS — labeled groups ──────────────────────────────────────── */
.hit-controls-row { align-items: flex-start; gap: 14px; flex-wrap: wrap; }
.hit-ctrl-grp {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
}
.hit-ctrl-label {
  font-family: 'Inter', sans-serif;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--orange);
  text-transform: uppercase;
  white-space: nowrap;
  line-height: 1;
}
.hit-ctrl-row { display: flex; gap: 6px; }
#hit-mute.muted {
  background: linear-gradient(180deg, var(--btn-red-hi) 0%, var(--btn-red) 55%, var(--btn-red-lo) 100%);
  color: #fff;
}
.hit-vol-grp { min-width: 120px; }
.hit-vol-row { display: flex; align-items: center; gap: 8px; }
.knob {
  --angle: 0deg;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 28%, #4a4a4a 0%, #2a2a2a 40%, #0d0d0d 100%);
  border: 1px solid #000;
  box-shadow:
    inset 0 1px 2px rgba(255,255,255,0.18),
    inset 0 -3px 5px rgba(0,0,0,0.7),
    0 2px 3px rgba(0,0,0,0.55);
  position: relative;
  cursor: ns-resize;
  touch-action: none;
  flex-shrink: 0;
}
.knob:focus { outline: none; box-shadow: inset 0 1px 2px rgba(255,255,255,0.18), inset 0 -3px 5px rgba(0,0,0,0.7), 0 0 0 2px var(--orange); }
.knob-indicator {
  position: absolute;
  left: 50%;
  top: 4px;
  width: 3px;
  height: 18px;
  background: var(--orange);
  box-shadow: 0 0 4px var(--orange-glow);
  transform-origin: 50% 100%;
  transform: translateX(-50%) rotate(var(--angle));
  pointer-events: none;
}
#hit-vol-display {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--lcd-ink);
  text-shadow: 0 0 4px var(--lcd-glow);
  min-width: 38px;
}

/* ─── BPM RANGE FILTER in PATTERN BANK ────────────────────────────────────── */
.loops-bpm-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px 10px;
  background: linear-gradient(180deg, var(--face-2) 0%, var(--face-1) 100%);
  border-bottom: 1px solid #000;
}
.loops-bpm-row .bpm-label {
  font-family: 'Inter', sans-serif;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--orange);
}
.loops-bpm-row .bpm-sep { color: var(--silk-dim); }
#bpm-min, #bpm-max {
  width: 64px;
  padding: 6px 8px;
  border: none;
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.06em;
  background: linear-gradient(180deg, var(--lcd-bg) 0%, #050505 100%);
  color: var(--lcd-ink);
  text-shadow: 0 0 4px var(--lcd-glow);
  box-shadow: inset 0 2px 3px #000, 0 0 0 1px #000, 0 0 0 2px var(--face-hi);
}
#bpm-min:focus, #bpm-max:focus { outline: none; box-shadow: inset 0 2px 3px #000, 0 0 0 1px #000, 0 0 0 2px var(--lcd-ink); }

/* ─── LABEL PICKER POPOVER ────────────────────────────────────────────────── */
.hit-marker-label {
  cursor: pointer;
  padding: 2px 5px;
  border-radius: 2px;
  user-select: none;
  background: rgba(0, 0, 0, 0.7);
  color: var(--silk);
  border: 1px solid rgba(255, 123, 28, 0.45);
  font-weight: 700;
  position: relative;
  z-index: 6;
}
.hit-marker-label:hover {
  background: rgba(244,120,32,0.9);
  color: #fff;
}
#label-picker {
  position: absolute;
  z-index: 50;
  display: flex;
  gap: 4px;
  padding: 6px;
  background: linear-gradient(180deg, var(--face-3) 0%, var(--face-2) 100%);
  border: 1px solid #000;
  box-shadow:
    inset 0 1px 0 var(--face-hi),
    0 6px 14px rgba(0,0,0,0.7);
}
#label-picker[hidden] { display: none; }
#label-picker button {
  padding: 8px 12px;
  font-size: 11px;
  letter-spacing: 0.18em;
}

/* Fixed widths so SCOPE / MUTE buttons stay consistent regardless of label */
#hit-mode { width: 100px; padding: 10px 0; text-align: center; }
#hit-mute { width: 56px; padding: 10px 0; text-align: center; font-size: 18px; line-height: 1; }
#hit-group-picker {
  padding: 9px 10px;
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  background: linear-gradient(180deg, var(--lcd-bg) 0%, #050505 100%);
  color: var(--lcd-ink);
  text-shadow: 0 0 4px var(--lcd-glow);
  border: 1px solid #000;
  box-shadow: inset 0 1px 2px #000, 0 0 0 1px var(--face-hi);
}

/* Save-groups button — green, sits next to song title above the waveform */
.lane-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 6px;
}
#submit-defaults {
  padding: 8px 14px;
  font-size: 10px;
  letter-spacing: 0.16em;
  background: linear-gradient(180deg, var(--btn-green-hi) 0%, var(--btn-green) 55%, var(--btn-green-lo) 100%);
  color: #04140a;
}
#submit-defaults.saved {
  background: linear-gradient(180deg, #fff 0%, var(--btn-green-hi) 100%);
}

/* Uniform height for all hit-control rectangles (▼/▲, DRUMS, SCOPE, MUTE) */
.hit-ctrl-row #hit-prev,
.hit-ctrl-row #hit-next,
#hit-group-picker,
#hit-mode,
#hit-mute {
  height: 44px;
  padding-top: 0;
  padding-bottom: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

#save-count {
  margin-left: 16px;
  color: var(--silk-dim);
}
#save-count.ready { color: #4a9560; font-weight: 700; }