/* ==============================================================
   DRUMAPP PRO · "Studio Press" Edition — 8 voices, full controls
   ============================================================== */

:root {
  /* Palette */
  --paper:       #eae3d2;
  --paper-2:     #dcd3b9;
  --paper-rule:  #c4bca3;
  --ink:         #1a1a22;
  --ink-2:       #2d2d38;
  --ink-soft:    #6a6a75;
  --accent:      #f77f00;
  --accent-deep: #c06100;

  /* Track colors (8 voci) */
  --track-kick:    #c8553d;
  --track-snare:   #e6a23c;
  --track-hihat:   #6d9773;
  --track-openhat: #9fbc86;
  --track-clap:    #3d5a80;
  --track-tom:     #8a4b38;
  --track-rim:     #d4a94a;
  --track-cow:     #7d6d9c;

  /* Typography */
  --f-display: 'Anton', 'Impact', 'Arial Black', sans-serif;
  --f-mono:    'VT323', 'Courier New', ui-monospace, monospace;
  --f-ui:      'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --radius-sm: 4px;
  --radius:    6px;
  --radius-lg: 12px;

  --pattern-length: 16;
}

*, *::before, *::after {
  margin: 0; padding: 0; box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html { font-size: 16px; -webkit-text-size-adjust: 100%; }

button, input, select {
  font: inherit; color: inherit;
}

button {
  border: none; background: none; cursor: pointer;
}

kbd {
  font-family: var(--f-mono);
  background: var(--paper-2);
  border: 1px solid var(--ink);
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 0.85em;
  box-shadow: 0 1px 0 var(--ink);
}

body {
  min-height: 100vh; min-height: 100dvh;
  font-family: var(--f-ui);
  color: var(--ink);
  background: var(--paper);
  background-image:
    radial-gradient(ellipse 80% 50% at 10% 0%, rgba(26,26,34,0.08), transparent 60%),
    radial-gradient(ellipse 70% 50% at 95% 100%, rgba(247,127,0,0.08), transparent 60%),
    linear-gradient(180deg, var(--paper) 0%, #e4dcc8 100%);
  overflow-x: hidden;
  position: relative;
}

body::before {
  content: '';
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 1000;
  opacity: 0.32;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><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 0.45 0'/></filter><rect width='220' height='220' filter='url(%23n)'/></svg>");
}

.stage {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 2rem;
  min-height: 100vh; min-height: 100dvh;
  display: flex; flex-direction: column;
  gap: 1.25rem;
  position: relative; z-index: 2;
}

@media (max-width: 700px) {
  .stage { padding: 1rem 0.75rem 1.5rem; gap: 1rem; }
}

/* ============================================================
   TOP
   ============================================================ */
.top {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: end;
  gap: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 3px double var(--ink);
}

.brand__name {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(2.2rem, 6vw, 4.2rem);
  letter-spacing: 0.005em;
  line-height: 0.82;
  text-transform: uppercase;
}

.brand__slash {
  color: var(--accent);
  display: inline-block;
  margin: 0 -0.05em;
}

.brand__tag {
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  font-weight: 500;
  color: var(--ink-soft);
  margin-top: 0.7rem;
  text-transform: uppercase;
}

/* Transport */
.transport {
  width: 88px; height: 88px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  border: 3px solid var(--ink);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 2px;
  transition: transform 0.08s, box-shadow 0.08s, background 0.2s;
  box-shadow: 0 6px 0 #000, 0 10px 24px rgba(0,0,0,0.25), inset 0 2px 0 rgba(255,255,255,0.08);
  position: relative;
  justify-self: center;
}
.transport::before {
  content: '';
  position: absolute; inset: 5px;
  border-radius: 50%;
  border: 1px dashed rgba(234,227,210,0.25);
  pointer-events: none;
}
.transport:hover { transform: translateY(-1px); }
.transport:active { transform: translateY(4px); box-shadow: 0 2px 0 #000, 0 4px 10px rgba(0,0,0,0.25); }
.transport__icon { font-size: 1.45rem; margin-left: 3px; }
.transport__label { font-size: 0.6rem; font-weight: 700; letter-spacing: 0.2em; }

.transport--playing {
  background: var(--accent);
  color: var(--ink);
  box-shadow: 0 6px 0 var(--accent-deep), 0 10px 30px rgba(247,127,0,0.5);
  animation: transport-pulse 0.4s ease-in-out infinite alternate;
}
.transport--playing .transport__icon { margin-left: 0; }
@keyframes transport-pulse {
  from { box-shadow: 0 6px 0 var(--accent-deep), 0 10px 20px rgba(247,127,0,0.35); }
  to   { box-shadow: 0 6px 0 var(--accent-deep), 0 12px 36px rgba(247,127,0,0.6); }
}

/* Tempo */
.tempo {
  justify-self: end;
  min-width: 220px; width: 100%; max-width: 340px;
  display: grid; gap: 0.25rem;
}

.tempo__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}
.tempo__head--swing { margin-top: 0.4rem; }

.tempo__label, .tempo__unit {
  font-size: 0.62rem;
  letter-spacing: 0.28em;
  font-weight: 600;
  color: var(--ink-soft);
  text-transform: uppercase;
}
.tempo__unit { font-family: var(--f-mono); font-size: 0.95rem; letter-spacing: 0; color: var(--ink); }

.tempo__readout {
  font-family: var(--f-mono);
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  line-height: 0.9;
  text-align: right;
  letter-spacing: -0.01em;
  background: linear-gradient(180deg, transparent 0%, rgba(247,127,0,0.08) 100%);
  padding: 0 0.2rem;
  border-bottom: 2px solid var(--ink);
  font-variant-numeric: tabular-nums;
}

.tempo__slider {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 7px;
  background: var(--paper-2);
  border: 1.5px solid var(--ink);
  border-radius: 2px;
  cursor: pointer;
  outline: none;
}
.tempo__slider::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 20px; height: 20px;
  background: var(--accent);
  border: 2px solid var(--ink);
  border-radius: 50%;
  cursor: grab;
  box-shadow: 0 2px 0 var(--ink);
}
.tempo__slider::-moz-range-thumb {
  width: 20px; height: 20px;
  background: var(--accent);
  border: 2px solid var(--ink);
  border-radius: 50%;
  cursor: grab;
  box-shadow: 0 2px 0 var(--ink);
}

/* Tap button */
.tap-btn {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  padding: 3px 10px;
  background: var(--ink);
  color: var(--paper);
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: 0 2px 0 var(--ink);
  transition: transform 0.08s, box-shadow 0.08s, background 0.1s;
}
.tap-btn:hover { background: var(--ink-2); }
.tap-btn:active { transform: translateY(2px); box-shadow: 0 0 0 var(--ink); }
.tap-btn.tap--flash { background: var(--accent); color: var(--ink); }

@media (max-width: 760px) {
  .top {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "brand transport"
      "tempo tempo";
    gap: 1rem;
  }
  .brand { grid-area: brand; }
  .transport { grid-area: transport; justify-self: end; width: 72px; height: 72px; }
  .transport__icon { font-size: 1.2rem; }
  .tempo { grid-area: tempo; max-width: none; justify-self: stretch; }
}

/* ============================================================
   ACTIVE TRACK PANEL
   ============================================================ */
.atrack {
  background: var(--paper-2);
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  display: grid; gap: 0.6rem;
  box-shadow: 0 3px 0 var(--ink);
}

.atrack__head {
  display: flex; align-items: center; gap: 0.6rem;
  flex-wrap: wrap;
}
.atrack__dot {
  width: 16px; height: 16px;
  border: 1.5px solid var(--ink);
  border-radius: 50%;
  background: var(--track-kick);
}
.atrack__label {
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  font-weight: 600;
  color: var(--ink-soft);
  text-transform: uppercase;
}
.atrack__name {
  font-family: var(--f-display);
  font-size: 1.35rem;
  letter-spacing: 0.03em;
}
.atrack__hint {
  font-size: 0.72rem;
  color: var(--ink-soft);
  font-style: italic;
}

.atrack__knobs {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.7rem;
}
@media (max-width: 900px) {
  .atrack__knobs { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 540px) {
  .atrack__knobs { grid-template-columns: repeat(2, 1fr); }
  .atrack__hint { display: none; }
}

.knob {
  display: grid; gap: 0.25rem;
}
.knob__label {
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  font-weight: 600;
  color: var(--ink-soft);
  text-transform: uppercase;
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 0.3rem;
}
.knob__val {
  font-family: var(--f-mono);
  font-size: 0.95rem;
  letter-spacing: 0;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.knob input[type="range"] {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 6px;
  background: var(--paper);
  border: 1.5px solid var(--ink);
  border-radius: 2px;
  cursor: pointer;
  outline: none;
}
.knob input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 16px; height: 16px;
  background: var(--accent);
  border: 2px solid var(--ink);
  border-radius: 50%;
  cursor: grab;
}
.knob input[type="range"]::-moz-range-thumb {
  width: 16px; height: 16px;
  background: var(--accent);
  border: 2px solid var(--ink);
  border-radius: 50%;
  cursor: grab;
}
.knob select {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 6px;
  background: var(--paper);
  border: 1.5px solid var(--ink);
  border-radius: var(--radius-sm);
  outline: none;
  cursor: pointer;
}

/* ============================================================
   SEQUENCER
   ============================================================ */
.sequencer-wrap {
  overflow-x: auto;
  overflow-y: visible;
  -webkit-overflow-scrolling: touch;
  margin: 0 -1.25rem;
  padding: 0 1.25rem 0.5rem;
}

.sequencer {
  display: flex; flex-direction: column;
  gap: 0.4rem;
  min-width: 720px;
}

.seq__row {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 0.75rem;
  align-items: center;
  --track-color: var(--ink);
  transition: opacity 0.2s;
}

.seq__row--active { }
.seq__row--active .seq__name { color: var(--accent); }

@media (max-width: 760px) {
  .seq__row { grid-template-columns: 130px 1fr; gap: 0.5rem; }
}

/* Track label (con mute/solo) */
.seq__label {
  display: flex; align-items: center;
  gap: 0.35rem;
  font-family: var(--f-display);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1;
}

.seq__dot {
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--track-color);
  border: 1.5px solid var(--ink);
  flex-shrink: 0;
}

.seq__name {
  flex: 1;
  text-align: left;
  white-space: nowrap;
  padding: 4px 0;
  background: none;
  color: var(--ink);
  border-radius: 3px;
  font-family: inherit;
  font-size: inherit;
}
.seq__name:hover { color: var(--accent); }

.ts-btn {
  font-size: 0.7rem;
  font-weight: 700;
  width: 22px; height: 22px;
  border: 1.5px solid var(--ink);
  border-radius: 3px;
  background: var(--paper-2);
  color: var(--ink);
  transition: background 0.15s, color 0.15s;
}
.ts-btn--mute.ts-btn--on { background: var(--track-kick); color: var(--paper); }
.ts-btn--solo.ts-btn--on { background: var(--accent); color: var(--ink); }

/* Step numbers */
.seq__row--numbers .seq__label { visibility: hidden; }
.seq__row--numbers .beats { border-bottom: 1px solid var(--paper-rule); padding-bottom: 0.2rem; }

.step-number {
  aspect-ratio: 1;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--f-mono);
  font-size: 0.82rem;
  color: var(--ink-soft);
}
.step-number--downbeat { color: var(--ink); font-weight: 700; }

/* Beats grid */
.beats {
  display: grid;
  grid-template-columns: repeat(var(--pattern-length), 1fr);
  gap: 4px;
}

.beat-cell--hidden { display: none; }
.beat-cell--downbeat { }

/* Separatore visivo dopo ogni 4 step */
.beats > .beat-cell:nth-child(4n):not(:last-child) {
  margin-right: 5px;
  border-right: 1px dotted var(--paper-rule);
  padding-right: 5px;
}

@media (max-width: 760px) {
  .beats { gap: 3px; }
  .seq__label { font-size: 0.82rem; }
}

/* Step cell */
.step {
  aspect-ratio: 1;
  min-width: 0;
  border: 1.5px solid var(--ink);
  background: var(--paper-2);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.15s, transform 0.08s, box-shadow 0.08s;
  box-shadow: 0 2px 0 var(--ink), inset 0 1px 0 rgba(255,255,255,0.4);
  position: relative;
  padding: 0;
  touch-action: none;
  overflow: hidden;
}

.step__bar {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  background: var(--track-color);
  height: 0%;
  transition: height 0.1s;
  pointer-events: none;
}

.step__ind {
  position: absolute;
  top: 2px; right: 2px;
  font-family: var(--f-mono);
  font-size: 0.55rem;
  color: var(--paper);
  line-height: 1;
  background: rgba(0,0,0,0.55);
  padding: 1px 3px;
  border-radius: 2px;
  pointer-events: none;
}

.step:hover { background: #e5ddc4; }
.step:active { transform: translateY(1px); box-shadow: 0 1px 0 var(--ink); }

.step--active {
  box-shadow: 0 2px 0 var(--ink), inset 0 1px 0 rgba(255,255,255,0.3), inset 0 -6px 8px rgba(0,0,0,0.12);
}

/* Stile diverso se probability parziale (bordo tratteggiato) */
.step--prob-partial { outline: 1px dashed var(--ink); outline-offset: -4px; }

/* Stile nudged: ombra laterale che indica lo sposto */
.step--nudged { border-right-color: var(--accent); }

.step--playing { animation: step-flash 0.22s ease-out; }
@keyframes step-flash {
  0%   { transform: scale(1);    box-shadow: 0 2px 0 var(--ink), 0 0 0 0 rgba(247,127,0,0.8); }
  40%  { transform: scale(1.14); box-shadow: 0 2px 0 var(--ink), 0 0 0 6px rgba(247,127,0,0.3); }
  100% { transform: scale(1);    box-shadow: 0 2px 0 var(--ink), 0 0 0 0 rgba(247,127,0,0); }
}
.step--active.step--playing .step__bar { filter: brightness(1.2); }

.step--current-column::before {
  content: '';
  position: absolute;
  left: 10%; right: 10%;
  top: -5px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  box-shadow: 0 0 6px rgba(247,127,0,0.8);
}

/* ============================================================
   MODEBAR (edit mode + pattern + length)
   ============================================================ */
.modebar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.7rem 0;
  border-top: 1px solid var(--paper-rule);
  border-bottom: 1px solid var(--paper-rule);
  flex-wrap: wrap;
}

.modebar__group {
  display: flex; align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.mode-btn, .pat-btn {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  padding: 0.45rem 0.7rem;
  background: var(--paper-2);
  color: var(--ink);
  border: 1.5px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: 0 2px 0 var(--ink);
  transition: transform 0.08s, box-shadow 0.08s, background 0.15s, color 0.15s;
}
.mode-btn:hover, .pat-btn:hover { background: #e5ddc4; }
.mode-btn:active, .pat-btn:active { transform: translateY(2px); box-shadow: 0 0 0 var(--ink); }

.mode-btn--on {
  background: var(--ink);
  color: var(--paper);
}

.pat-btn {
  font-family: var(--f-display);
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  width: 38px; height: 38px;
  padding: 0;
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.pat-btn--has-content::after {
  content: '';
  position: absolute; top: 4px; right: 4px;
  width: 5px; height: 5px;
  background: var(--accent);
  border-radius: 50%;
}
.pat-btn--active {
  background: var(--ink);
  color: var(--paper);
}
.pat-btn--active.pat-btn--has-content::after {
  background: var(--accent);
}

.toggle {
  display: flex; align-items: center;
  gap: 0.3rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  cursor: pointer;
  user-select: none;
  padding: 0.35rem 0.55rem;
  border: 1.5px solid var(--ink);
  border-radius: var(--radius);
  background: var(--paper-2);
  transition: background 0.15s;
}
.toggle:hover { background: #e5ddc4; }
.toggle input { width: 14px; height: 14px; cursor: pointer; accent-color: var(--accent); }
.toggle input:checked + span { color: var(--accent); font-weight: 700; }

#lengthSelect {
  font-size: 0.8rem;
  font-weight: 700;
  padding: 6px 8px;
  background: var(--paper-2);
  border: 1.5px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: 0 2px 0 var(--ink);
  cursor: pointer;
}

/* ============================================================
   STEP READOUT (info dello step in edit)
   ============================================================ */
.step-readout {
  font-family: var(--f-mono);
  font-size: 0.95rem;
  color: var(--ink-soft);
  padding: 0.3rem 0;
  text-align: center;
  border-bottom: 1px dashed var(--paper-rule);
  min-height: 28px;
  letter-spacing: 0.01em;
  transition: color 0.2s;
}
.step-readout--hint {
  color: var(--ink-soft);
  font-size: 0.82rem;
  font-style: italic;
  letter-spacing: 0.02em;
}
.step-readout--hint::before {
  content: '↯ ';
  color: var(--accent);
  font-style: normal;
  font-weight: bold;
  margin-right: 4px;
}

/* ============================================================
   STORAGE BAR
   ============================================================ */
.storage {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--paper-rule);
  flex-wrap: wrap;
}

.storage__group {
  display: flex; align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.storage__label {
  font-size: 0.6rem;
  letter-spacing: 0.28em;
  font-weight: 600;
  color: var(--ink-soft);
  text-transform: uppercase;
  margin-right: 0.1rem;
}

/* Slot buttons */
.slots { display: flex; gap: 0.35rem; }

.slot {
  width: 36px; height: 36px;
  border: 1.5px solid var(--ink);
  background: var(--paper-2);
  border-radius: var(--radius);
  font-family: var(--f-display);
  font-size: 1.05rem;
  color: var(--ink);
  box-shadow: 0 2px 0 var(--ink);
  transition: transform 0.08s, box-shadow 0.08s, background 0.2s, color 0.2s;
  position: relative;
  user-select: none;
  touch-action: manipulation;
}
.slot:hover { background: #e5ddc4; }
.slot:active { transform: translateY(2px); box-shadow: 0 0 0 var(--ink); }
.slot--filled { background: var(--ink); color: var(--paper); }
.slot--filled:hover { background: var(--ink-2); }
.slot--filled::after {
  content: '';
  position: absolute; top: 4px; right: 4px;
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
}
.slot--holding { animation: slot-hold 0.5s linear forwards; }
@keyframes slot-hold {
  0%   { box-shadow: 0 2px 0 var(--ink), inset 0 0 0 0 var(--accent); }
  100% { box-shadow: 0 2px 0 var(--ink), inset 0 -36px 0 0 var(--accent); }
}
.slot--saving  { animation: slot-save 0.5s ease; }
@keyframes slot-save {
  0%   { background: var(--accent); color: var(--ink); transform: scale(1.12); }
  100% { background: var(--ink); color: var(--paper); transform: scale(1); }
}
.slot--loading { animation: slot-load 0.35s ease; }
@keyframes slot-load {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.15); box-shadow: 0 2px 0 var(--ink), 0 0 0 6px rgba(247,127,0,0.4); }
  100% { transform: scale(1); }
}

/* Chip buttons (export / import / share / wav / midi / undo / redo / demo / clear) */
.chip {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  padding: 0.5rem 0.75rem;
  background: var(--ink);
  color: var(--paper);
  border: 1.5px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: 0 2px 0 var(--ink);
  transition: transform 0.08s, box-shadow 0.08s, background 0.15s;
}
.chip:hover { background: var(--ink-2); }
.chip:active { transform: translateY(2px); box-shadow: 0 0 0 var(--ink); }
.chip--ghost {
  background: transparent;
  color: var(--ink);
}
.chip--ghost:hover { background: rgba(26,26,34,0.08); }
.chip--on {
  background: var(--accent);
  color: var(--ink);
  border-color: var(--ink);
}

/* ============================================================
   FOOT
   ============================================================ */
.foot {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  padding-top: 0.8rem;
  border-top: 3px double var(--ink);
}

.foot__controls { display: flex; gap: 0.4rem; }

.foot__shortcuts {
  font-size: 0.72rem;
  color: var(--ink-soft);
  text-align: center;
  letter-spacing: 0.02em;
}

.foot__meta {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  font-family: var(--f-mono);
  font-size: 0.85rem;
  color: var(--ink-soft);
  justify-self: end;
  text-align: right;
}
.foot__sig { color: var(--ink); font-weight: 700; }

@media (max-width: 780px) {
  .foot { grid-template-columns: 1fr 1fr; gap: 0.8rem; }
  .foot__shortcuts { grid-column: 1 / -1; order: 3; text-align: left; }
  .foot__meta { align-items: flex-end; }
}
@media (max-width: 480px) {
  .foot__meta span:first-child { display: none; }
  .foot__shortcuts { font-size: 0.65rem; }
}

/* ============================================================
   TOAST
   ============================================================ */
.toast {
  position: fixed;
  bottom: 1.2rem;
  left: 50%;
  transform: translateX(-50%) translateY(16px);
  background: var(--ink);
  color: var(--paper);
  padding: 0.65rem 1rem;
  border-radius: var(--radius);
  font-size: 0.8rem;
  font-weight: 500;
  box-shadow: 0 4px 14px rgba(0,0,0,0.25), 0 0 0 2px var(--ink);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s, transform 0.22s;
  z-index: 2000;
  max-width: 85vw;
  text-align: center;
}
.toast--show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast--error {
  background: var(--track-kick);
  box-shadow: 0 4px 14px rgba(200,85,61,0.4), 0 0 0 2px var(--ink);
}

/* ============================================================
   SONG BAR (sequence editor)
   ============================================================ */
.songbar {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.6rem 0;
  border-bottom: 1px dashed var(--paper-rule);
  flex-wrap: wrap;
}

.songbar__slots {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  flex: 1;
  min-width: 200px;
}

.song-slot {
  width: 30px; height: 30px;
  border: 1.5px solid var(--ink);
  background: var(--paper-2);
  border-radius: var(--radius-sm);
  font-family: var(--f-display);
  font-size: 0.9rem;
  color: var(--ink);
  box-shadow: 0 2px 0 var(--ink);
  transition: transform 0.08s, box-shadow 0.08s, background 0.15s, color 0.15s;
  padding: 0;
  line-height: 1;
}
.song-slot:hover { background: #e5ddc4; }
.song-slot:active { transform: translateY(2px); box-shadow: 0 0 0 var(--ink); }
.song-slot--current {
  background: var(--accent);
  color: var(--ink);
  animation: song-slot-pulse 0.5s ease-out;
  box-shadow: 0 2px 0 var(--accent-deep), 0 0 0 2px rgba(247,127,0,0.3);
}
@keyframes song-slot-pulse {
  0% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

.songbar__ctl {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0 0.3rem;
  border-left: 1px solid var(--paper-rule);
  border-right: 1px solid var(--paper-rule);
}

.song-ctl-btn {
  width: 26px; height: 26px;
  border: 1.5px solid var(--ink);
  background: var(--paper-2);
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 1rem;
  color: var(--ink);
  box-shadow: 0 2px 0 var(--ink);
  transition: transform 0.08s, box-shadow 0.08s, background 0.15s;
  line-height: 1;
}
.song-ctl-btn:hover { background: #e5ddc4; }
.song-ctl-btn:active { transform: translateY(2px); box-shadow: 0 0 0 var(--ink); }

.songbar__len {
  font-family: var(--f-mono);
  font-size: 0.82rem;
  color: var(--ink-soft);
  letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums;
}
.songbar__len span { color: var(--ink); font-weight: 700; }

.songbar__hint {
  font-size: 0.7rem;
  color: var(--ink-soft);
  font-style: italic;
}
@media (max-width: 640px) {
  .songbar__hint { display: none; }
  .songbar { gap: 0.5rem; }
}

/* ============================================================
   CHIP ARMED (paste button attivo quando c'è clipboard)
   ============================================================ */
.chip--armed {
  color: var(--accent) !important;
  border-color: var(--accent) !important;
  position: relative;
}
.chip--armed::after {
  content: '';
  position: absolute;
  top: 4px; right: 4px;
  width: 5px; height: 5px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 4px var(--accent);
}

/* ============================================================
   REC button (stato recording = pulsante rosso)
   ============================================================ */
.chip--rec {
  background: #c8553d !important;
  color: var(--paper) !important;
  border-color: #8e3825 !important;
  animation: rec-pulse 0.9s ease-in-out infinite;
}
@keyframes rec-pulse {
  0%, 100% { box-shadow: 0 2px 0 #8e3825, 0 0 0 0 rgba(200,85,61,0.6); }
  50%      { box-shadow: 0 2px 0 #8e3825, 0 0 0 6px rgba(200,85,61,0); }
}

/* ============================================================
   MODAL (bounce dialog)
   ============================================================ */
.modal {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.modal--open { display: flex; }

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(26,26,34,0.55);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

.modal__box {
  position: relative;
  background: var(--paper);
  border: 2px solid var(--ink);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.4rem;
  max-width: 440px;
  width: 100%;
  box-shadow: 0 10px 0 var(--ink), 0 20px 40px rgba(0,0,0,0.25);
  z-index: 1;
  animation: modal-in 0.18s ease-out;
}
@keyframes modal-in {
  from { opacity: 0; transform: translateY(8px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.modal__title {
  font-family: var(--f-display);
  font-size: 1.6rem;
  letter-spacing: 0.03em;
  margin-bottom: 0.4rem;
  text-transform: uppercase;
}

.modal__sub {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-bottom: 1rem;
  line-height: 1.4;
}
.modal__sub span { font-family: var(--f-mono); color: var(--ink); font-weight: 700; font-variant-numeric: tabular-nums; }

.modal__options {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.2rem;
}

.modal__opt {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.7rem;
  border: 1.5px solid var(--paper-rule);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  user-select: none;
  font-size: 0.9rem;
}
.modal__opt:hover { background: rgba(26,26,34,0.04); }
.modal__opt input[type="radio"] { accent-color: var(--accent); width: 16px; height: 16px; cursor: pointer; }
.modal__opt:has(input:checked) {
  border-color: var(--ink);
  background: rgba(247,127,0,0.08);
}

.modal__actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
}

/* ============================================================
   DEMO LIBRARY
   ============================================================ */
.modal__box--demos {
  max-width: 760px;
  max-height: 85vh;
  padding: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.demos__body {
  overflow-y: auto;
  padding: 1rem 1.4rem;
  flex: 1;
}

.demos__intro {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-bottom: 1rem;
  line-height: 1.5;
}
.demos__intro strong { color: var(--ink); }
.demos__warn {
  display: inline-block;
  margin-top: 0.4rem;
  font-size: 0.78rem;
  color: var(--accent-deep);
  font-style: italic;
}

.demos__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.6rem;
}

.demo-card {
  text-align: left;
  padding: 0.7rem 0.8rem 0.8rem;
  background: var(--paper-2);
  border: 1.5px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: 0 2px 0 var(--ink);
  transition: transform 0.08s, box-shadow 0.08s, background 0.15s;
  cursor: pointer;
  font-family: inherit;
  color: var(--ink);
}
.demo-card:hover {
  background: var(--paper);
  transform: translateY(-1px);
  box-shadow: 0 4px 0 var(--ink);
}
.demo-card:active {
  transform: translateY(2px);
  box-shadow: 0 0 0 var(--ink);
}

.demo-card__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.3rem;
}
.demo-card__bpm {
  font-family: var(--f-mono);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent-deep);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.demo-card__bpm::after {
  content: ' BPM';
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  color: var(--ink-soft);
  font-weight: 500;
}
.demo-card__tag {
  font-size: 1rem;
  opacity: 0.7;
}
.demo-card__name {
  font-family: var(--f-display);
  font-size: 1rem;
  letter-spacing: 0.02em;
  line-height: 1.1;
  margin-bottom: 0.25rem;
}
.demo-card__desc {
  font-size: 0.75rem;
  color: var(--ink-soft);
  line-height: 1.35;
}

.demo-card--classic {
  background: linear-gradient(180deg, var(--paper-2) 0%, rgba(247,127,0,0.06) 100%);
}
.demo-card--classic .demo-card__bpm {
  color: var(--ink);
}

@media (max-width: 560px) {
  .demos__grid { grid-template-columns: 1fr 1fr; gap: 0.4rem; }
  .demo-card { padding: 0.55rem 0.6rem 0.65rem; }
  .demo-card__bpm { font-size: 1.1rem; }
  .demo-card__name { font-size: 0.85rem; }
  .demo-card__desc { font-size: 0.7rem; }
}

/* ============================================================
   HELP (bottone ? + modal)
   ============================================================ */
.chip--help {
  width: 36px;
  padding: 0.5rem 0;
  font-family: var(--f-display);
  font-size: 1.15rem;
  letter-spacing: 0;
  background: var(--paper-2);
  color: var(--ink);
  border: 1.5px solid var(--ink);
}
.chip--help:hover {
  background: var(--accent);
  color: var(--ink);
}

.modal__box--help {
  max-width: 620px;
  max-height: 85vh;
  padding: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.help__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.4rem;
  border-bottom: 2px solid var(--ink);
  background: var(--paper-2);
}
.help__head .modal__title {
  margin: 0;
  font-size: 1.35rem;
}

.help__close {
  width: 32px; height: 32px;
  border: 1.5px solid var(--ink);
  border-radius: 50%;
  background: var(--paper);
  color: var(--ink);
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  transition: transform 0.08s, background 0.15s;
}
.help__close:hover { background: var(--track-kick); color: var(--paper); }
.help__close:active { transform: scale(0.9); }

.help__body {
  overflow-y: auto;
  padding: 1rem 1.4rem;
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--ink-2);
  flex: 1;
}
.help__body::-webkit-scrollbar { width: 8px; }
.help__body::-webkit-scrollbar-thumb { background: var(--paper-rule); border-radius: 4px; }

.help__sec {
  margin-bottom: 1.1rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px dashed var(--paper-rule);
}
.help__sec:last-child { border-bottom: none; margin-bottom: 0; }
.help__sec h4 {
  font-family: var(--f-display);
  font-size: 1rem;
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
  color: var(--ink);
  text-transform: uppercase;
}
.help__sec p { margin-bottom: 0.4rem; }
.help__sec strong { color: var(--ink); }
.help__sec em { color: var(--accent-deep); font-style: normal; font-weight: 500; }
.help__sec code {
  font-family: var(--f-mono);
  background: var(--paper-2);
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 0.9em;
  border: 1px solid var(--paper-rule);
}

.help__list {
  list-style: none;
  padding-left: 0;
  margin: 0.4rem 0;
}
.help__list li {
  padding: 0.25rem 0 0.25rem 1.1rem;
  position: relative;
}
.help__list li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: bold;
}
.help__list li + li { border-top: 1px dotted rgba(196,188,163,0.5); }

.help__kbd {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.45rem 1rem;
  font-size: 0.82rem;
}

.help__sec--tips {
  background: rgba(247,127,0,0.08);
  border: 1.5px solid var(--accent);
  border-radius: var(--radius);
  padding: 0.8rem 1rem;
  margin-top: 1rem;
}
.help__sec--tips h4 { color: var(--accent-deep); }

.modal__box--help .modal__actions {
  padding: 0.8rem 1.4rem;
  border-top: 2px solid var(--ink);
  background: var(--paper-2);
  justify-content: center;
}

@media (max-width: 600px) {
  .help__body { font-size: 0.82rem; padding: 0.8rem 1rem; }
  .help__head { padding: 0.7rem 1rem; }
  .help__kbd { grid-template-columns: 1fr; }
}

/* ============================================================
   Utility
   ============================================================ */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--radius);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}