@font-face {
  font-family: "ITC Kabel Std";
  src: url("/assets/fonts/itc-kabel-std-medium.woff2") format("woff2");
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: "ITC Kabel Std";
  src: url("/assets/fonts/itc-kabel-std-ultra.woff2") format("woff2");
  font-weight: 800;
  font-display: swap;
}

@font-face {
  font-family: "JetBrains Mono";
  src: url("/assets/fonts/jetbrains-mono-400.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "JetBrains Mono";
  src: url("/assets/fonts/jetbrains-mono-500.woff2") format("woff2");
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: "Jost";
  src: url("/assets/fonts/jost-variable.woff2") format("woff2");
  font-weight: 400 700;
  font-display: swap;
}

@font-face {
  font-family: "Questrial";
  src: url("/assets/fonts/questrial-400.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}

:root {
  --bg: #08080b;
  --surface: #0e0f14;
  --surface-raised: #14151b;
  --surface-soft: #191a21;
  --ink: #f1f0e8;
  --muted: #9897a0;
  --dim: #676771;
  --line: #2c2d35;
  --line-bright: #484952;
  --acid: #caff4a;
  --acid-dim: #6a812d;
  --pink: #ff50ad;
  --cyan: #72e9f5;
  --danger: #ff7474;
  --panel-width: 23rem;
  color-scheme: dark;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  background: var(--bg);
  color: var(--ink);
}

[hidden] { display: none !important; }

* { box-sizing: border-box; }

html,
body {
  margin: 0;
  min-width: 320px;
  min-height: 100%;
  background: var(--bg);
}

body {
  min-height: 100svh;
  overflow: hidden;
  font-size: 12px;
  letter-spacing: 0.01em;
}

button,
input,
select { font: inherit; }

button { color: inherit; }

button:focus-visible,
input:focus-visible,
select:focus-visible,
summary:focus-visible,
a:focus-visible {
  outline: 2px solid var(--acid);
  outline-offset: 3px;
}

a { color: inherit; }

.skip-link {
  position: fixed;
  top: 0.7rem;
  left: 0.8rem;
  z-index: 20;
  padding: 0.6rem 0.8rem;
  background: var(--acid);
  color: #101208;
  transform: translateY(-180%);
  transition: transform 140ms ease;
}

.skip-link:focus { transform: translateY(0); }

.app-shell {
  display: grid;
  grid-template-rows: 3.75rem minmax(0, 1fr);
  height: 100svh;
  background: var(--bg);
}

/* ── top bar ───────────────────────────────────────────── */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-width: 0;
  padding: 0 1.1rem 0 1.3rem;
  border-bottom: 1px solid var(--line);
  background: rgba(8, 8, 11, 0.95);
}

.brand-lockup,
.topbar-right,
.tempo-readout { display: flex; align-items: center; }

.brand-lockup { gap: 1rem; min-width: 0; }

.brand {
  color: var(--ink);
  font-family: "ITC Kabel Std", "ITC Kabel", "Kabel", "Questrial", sans-serif;
  font-size: 1.45rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-decoration: none;
  text-transform: lowercase;
}

.brand span { color: var(--cyan); }

.brand-note {
  color: var(--dim);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
}

.topbar-right { gap: 0.8rem; }

.tempo-readout {
  gap: 0.5rem;
  color: var(--muted);
  font-size: 0.64rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.beat-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--line-bright);
}

.beat-dot.on { background: var(--acid); box-shadow: 0 0 0 3px rgba(202, 255, 74, 0.15); }
.beat-dot.downbeat.on { background: var(--pink); box-shadow: 0 0 0 3px rgba(255, 80, 173, 0.18); }

.clock-source {
  padding: 0.1rem 0.3rem;
  border: 1px solid var(--line);
  color: var(--dim);
  font-size: 0.52rem;
  text-transform: uppercase;
}

.clock-source.midi { border-color: var(--cyan); color: var(--cyan); }

.top-button {
  min-height: 2rem;
  padding: 0 0.7rem;
  border: 1px solid var(--line-bright);
  border-radius: 2px;
  background: transparent;
  cursor: pointer;
  font-size: 0.62rem;
}

.top-button:hover { border-color: var(--ink); }
.top-button[aria-pressed="true"] { border-color: var(--pink); color: var(--pink); }
.top-button.is-live { border-color: var(--cyan); color: var(--cyan); }

.home-link {
  color: var(--dim);
  font-size: 0.62rem;
  text-decoration: none;
  white-space: nowrap;
}

.home-link:hover { color: var(--acid); }

/* ── workspace ─────────────────────────────────────────── */

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--panel-width);
  min-height: 0;
}

.stage-shell {
  position: relative;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  background: #000;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}

#gl-canvas,
#overlay-canvas {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
}

#gl-canvas { background: #000; }
#overlay-canvas { z-index: 2; cursor: crosshair; }
#overlay-canvas.is-dragging { cursor: grabbing; }
#overlay-canvas.is-drawing { cursor: cell; }

.stage-hint {
  position: absolute;
  z-index: 3;
  left: 50%;
  bottom: 0.9rem;
  max-width: calc(100% - 2rem);
  padding: 0.35rem 0.6rem;
  border: 1px solid var(--line);
  background: rgba(8, 8, 11, 0.8);
  color: var(--muted);
  font-size: 0.56rem;
  pointer-events: none;
  text-align: center;
  transform: translateX(-50%);
  transition: opacity 400ms ease;
}

.stage-hint.is-faded { opacity: 0; }

.perform-exit {
  position: absolute;
  z-index: 4;
  top: 0.8rem;
  right: 0.8rem;
  display: none;
  opacity: 0;
  transition: opacity 200ms ease;
}

.stage-error {
  position: absolute;
  z-index: 5;
  top: 50%;
  left: 50%;
  display: grid;
  gap: 0.5rem;
  width: min(24rem, calc(100% - 2rem));
  padding: 1.2rem;
  border: 1px solid var(--danger);
  background: rgba(20, 8, 12, 0.94);
  transform: translate(-50%, -50%);
}

.stage-error strong { color: var(--danger); font-size: 0.8rem; font-weight: 500; }
.stage-error span { color: #d7b6be; font-size: 0.66rem; line-height: 1.55; }

/* perform mode: the stage is the whole window */
body.perform .app-shell { grid-template-rows: 0 minmax(0, 1fr); }
body.perform .topbar,
body.perform .control-panel,
body.perform .mobile-bar,
body.perform .stage-hint { display: none; }
body.perform .workspace { grid-template-columns: minmax(0, 1fr); }
body.perform #overlay-canvas { cursor: none; }
body.perform .perform-exit { display: block; }
body.perform .stage-shell:hover .perform-exit { opacity: 1; }

/* ── panel ─────────────────────────────────────────────── */

.control-panel {
  z-index: 8;
  min-width: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 0.9rem 1.15rem 1.2rem;
  border-left: 1px solid var(--line);
  background: var(--surface);
  scrollbar-color: var(--line-bright) transparent;
}

.panel-heading,
.section-heading,
.slider-label,
.toggle-control,
.button-row,
.tempo-row { display: flex; align-items: center; }

.panel-heading,
.section-heading { justify-content: space-between; }

.panel-heading {
  position: sticky;
  z-index: 2;
  top: -0.9rem;
  margin: -0.9rem -1.15rem 0.4rem;
  padding: 0.9rem 1.15rem 0.7rem;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.tabs { display: flex; gap: 0.25rem; flex-wrap: wrap; }

.tab {
  min-height: 2rem;
  padding: 0 0.6rem;
  border: 1px solid transparent;
  border-radius: 2px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.64rem;
}

.tab:hover { color: var(--ink); }
.tab[aria-selected="true"] { border-color: var(--line-bright); background: var(--surface-soft); color: var(--acid); }

.control-section {
  padding: 1rem 0 1.05rem;
  border-bottom: 1px solid var(--line);
}

.section-heading { margin-bottom: 0.8rem; }

.section-heading h2 {
  margin: 0;
  color: var(--ink);
  font-size: 0.64rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-state { color: var(--dim); font-size: 0.56rem; }

.button-row { gap: 0.45rem; flex-wrap: wrap; margin-top: 0.6rem; }
.button-row .button { flex: 1 1 auto; }

.button {
  min-height: 2.15rem;
  padding: 0 0.7rem;
  border: 1px solid var(--line-bright);
  border-radius: 2px;
  background: transparent;
  cursor: pointer;
  font-size: 0.62rem;
  white-space: nowrap;
}

.button:hover { border-color: var(--ink); }
.button:active { transform: translateY(1px); }
.button-primary { border-color: var(--acid); background: var(--acid); color: #111407; }
.button-primary:hover { border-color: #e4ff9b; background: #e4ff9b; color: #111407; }
.button-quiet { color: var(--ink); }
.button[aria-pressed="true"] { border-color: var(--pink); background: rgba(255, 80, 173, 0.1); color: var(--ink); }
.button-square { flex: 0 0 2.15rem !important; width: 2.15rem; padding: 0; color: var(--cyan); font-size: 0.9rem; }
.button:disabled { cursor: not-allowed; opacity: 0.45; }

.control-note {
  margin: 0.6rem 0 0;
  color: var(--dim);
  font-size: 0.58rem;
  line-height: 1.6;
}

.chip-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.35rem;
}

.chip {
  min-height: 2.2rem;
  padding: 0 0.3rem;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--surface-raised);
  color: var(--muted);
  cursor: pointer;
  font-size: 0.6rem;
}

.chip:hover { border-color: var(--cyan); color: var(--ink); }

/* surfaces list */

.surface-list {
  display: grid;
  gap: 0.3rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.surface-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.3rem;
  border: 1px solid var(--line);
  background: var(--surface-raised);
}

.surface-row.is-selected { border-color: var(--cyan); background: rgba(114, 233, 245, 0.06); }
.surface-row.is-hidden .surface-pick { color: var(--dim); text-decoration: line-through; }

.surface-pick {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
  min-height: 2.2rem;
  padding: 0 0.55rem;
  border: 0;
  background: transparent;
  cursor: pointer;
  font-size: 0.62rem;
  text-align: left;
}

.surface-pick span:last-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.surface-kind { color: var(--dim); font-size: 0.52rem; text-transform: uppercase; }

.surface-tools { display: flex; }

.mini {
  width: 1.75rem;
  height: 2.2rem;
  border: 0;
  border-left: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.66rem;
}

.mini:hover { color: var(--ink); }
.mini[aria-pressed="true"] { color: var(--pink); }

/* fields */

.field {
  display: grid;
  grid-template-columns: 6.2rem minmax(0, 1fr);
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.6rem;
  color: var(--muted);
  font-size: 0.6rem;
}

.field.inline { grid-template-columns: auto 5rem; margin: 0; }

.field input[type="text"],
.field input[type="number"],
.field select,
.param-row select {
  width: 100%;
  min-height: 2rem;
  padding: 0 0.45rem;
  border: 1px solid var(--line-bright);
  border-radius: 2px;
  background: var(--surface-raised);
  color: var(--ink);
  font-size: 0.62rem;
}

.slider-stack { display: grid; gap: 0.7rem; margin-top: 0.8rem; }
.slider-control { display: grid; gap: 0.35rem; cursor: pointer; }
.slider-label { justify-content: space-between; color: var(--muted); font-size: 0.6rem; }
.slider-label output { color: var(--acid); font-size: 0.58rem; font-variant-numeric: tabular-nums; }

input[type="range"] {
  width: 100%;
  height: 1.3rem;
  margin: 0;
  background: transparent;
  accent-color: var(--acid);
  cursor: pointer;
}

.toggle-control {
  position: relative;
  justify-content: space-between;
  gap: 0.8rem;
  margin-top: 0.8rem;
  cursor: pointer;
}

.toggle-control.compact { margin-top: 0.5rem; }
.toggle-control strong,
.toggle-control small { display: block; }
.toggle-control strong { color: var(--ink); font-size: 0.62rem; font-weight: 400; }
.toggle-control small { margin-top: 0.2rem; color: var(--dim); font-size: 0.56rem; }
.toggle-control input { position: absolute; width: 1px; height: 1px; opacity: 0; }

.toggle-ui {
  position: relative;
  flex: 0 0 auto;
  width: 1.9rem;
  height: 1.05rem;
  border: 1px solid var(--line-bright);
  border-radius: 99px;
  background: var(--surface-raised);
}

.toggle-ui::after {
  position: absolute;
  top: 0.14rem;
  left: 0.15rem;
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 50%;
  background: var(--muted);
  content: "";
  transition: transform 140ms ease, background-color 140ms ease;
}

.toggle-control input:checked + .toggle-ui { border-color: var(--acid-dim); background: rgba(202, 255, 74, 0.12); }
.toggle-control input:checked + .toggle-ui::after { transform: translateX(0.82rem); background: var(--acid); }
.toggle-control input:focus-visible + .toggle-ui { outline: 2px solid var(--acid); outline-offset: 3px; }

.toggle-grid { display: grid; grid-template-columns: 1fr 1fr; column-gap: 1.2rem; }

.nudge-block {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 1.2rem;
  margin-top: 0.9rem;
}

.nudge-pad {
  display: grid;
  grid-template-columns: repeat(3, 2.15rem);
  gap: 0.25rem;
}

.nudge-pad .button-square { width: 2.15rem; height: 2.15rem; }
#nudge-target { color: var(--pink); }

/* look pane */

.segmented { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line-bright); }

.segmented button {
  min-height: 2.15rem;
  border: 0;
  border-left: 1px solid var(--line-bright);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.6rem;
}

.segmented button:first-child { border-left: 0; }
.segmented button[aria-pressed="true"] { background: var(--acid); color: #111407; }

.swatch {
  flex: 0 0 2.15rem;
  width: 2.15rem;
  height: 2.15rem;
  padding: 0.15rem;
  border: 1px solid var(--line-bright);
  border-radius: 2px;
  background: var(--surface-raised);
  cursor: pointer;
}

.visual-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.3rem;
}

.visual-button {
  min-height: 2.05rem;
  padding: 0 0.25rem;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--surface-raised);
  color: var(--muted);
  cursor: pointer;
  font-size: 0.57rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.visual-button:hover { border-color: var(--line-bright); color: var(--ink); }
.visual-button[aria-pressed="true"] { border-color: var(--pink); background: rgba(255, 80, 173, 0.1); color: var(--ink); }

.param-stack { display: grid; gap: 0.75rem; }

.param-row { display: grid; gap: 0.3rem; }

.param-mod {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 4.5rem 1.75rem;
  align-items: center;
  gap: 0.35rem;
}

.param-mod select { min-height: 1.75rem; font-size: 0.57rem; }
.param-mod input[type="range"] { accent-color: var(--cyan); }

.learn {
  height: 1.75rem;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: transparent;
  color: var(--dim);
  cursor: pointer;
  font-size: 0.55rem;
}

.learn.is-learning { border-color: var(--pink); color: var(--pink); animation: blink 0.8s steps(2) infinite; }
.learn.is-mapped { border-color: var(--cyan); color: var(--cyan); }

@keyframes blink { 50% { opacity: 0.35; } }

/* sync pane */

.tempo-row { gap: 0.45rem; }
.tempo-row .button { flex: 1; }

.meters { display: grid; gap: 0.3rem; margin-top: 0.8rem; }

.meter {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  align-items: center;
  gap: 0.4rem;
  color: var(--dim);
  font-size: 0.54rem;
}

.meter i {
  display: block;
  height: 0.4rem;
  background: linear-gradient(90deg, var(--acid) var(--v, 0%), var(--surface-soft) var(--v, 0%));
}

.mapping-list,
.scene-list {
  display: grid;
  gap: 0.3rem;
  margin: 0.6rem 0 0;
  padding: 0;
  list-style: none;
}

.mapping-list li {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  color: var(--muted);
  font-size: 0.57rem;
}

.scene-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  border: 1px solid var(--line);
  background: var(--surface-raised);
}

.scene-row.is-current { border-color: var(--pink); }
.scene-row .surface-pick { font-size: 0.62rem; }

.help-panel { margin: 1rem 0; border-bottom: 1px solid var(--line); }

.help-panel summary {
  padding-bottom: 0.8rem;
  color: var(--ink);
  cursor: pointer;
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.shortcut-list { display: grid; gap: 0.45rem; margin: 0; padding: 0 0 1rem; }
.shortcut-list div { display: flex; align-items: baseline; gap: 0.7rem; }
.shortcut-list dt { width: 4.6rem; color: var(--acid); font-size: 0.6rem; }
.shortcut-list dd { margin: 0; color: var(--muted); font-size: 0.59rem; }

.privacy-note { margin: 0; color: var(--dim); font-size: 0.56rem; line-height: 1.6; }

.icon-button {
  min-width: 2rem;
  min-height: 2rem;
  padding: 0;
  border: 1px solid var(--line-bright);
  border-radius: 2px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font-size: 1.15rem;
  line-height: 1;
}

.mobile-only,
.mobile-bar,
.drawer-grip { display: none; }

.drop-overlay {
  position: fixed;
  z-index: 15;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(9, 8, 14, 0.82);
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms ease;
}

.drop-overlay.is-active { opacity: 1; pointer-events: auto; }

.drop-card {
  display: grid;
  gap: 0.7rem;
  width: min(24rem, calc(100% - 2rem));
  padding: 2rem;
  border: 1px solid var(--cyan);
  background: var(--surface);
  text-align: center;
}

.drop-card strong { font-family: "ITC Kabel Std", "Questrial", sans-serif; font-size: 1.5rem; font-weight: 500; }
.drop-card span { color: var(--muted); font-size: 0.6rem; }

.noscript-message {
  position: fixed;
  inset: 1rem;
  z-index: 30;
  padding: 1rem;
  background: var(--surface-raised);
}

/* ── phone / tablet ────────────────────────────────────── */

@media (max-width: 900px) {
  .app-shell {
    display: block;
    height: 100svh;
    padding-bottom: 4.1rem;
  }

  .topbar { min-height: 3.5rem; padding: 0 0.8rem; }
  .brand-note, .home-link, .top-button#output-button { display: none; }
  .topbar-right { gap: 0.5rem; }
  .workspace { display: block; height: calc(100svh - 3.5rem - 4.1rem); }
  .stage-shell { height: 100%; }
  body.perform .app-shell { padding-bottom: 0; }
  body.perform .workspace { height: 100svh; }
  body.perform .perform-exit { opacity: 1; }

  .app-shell.controls-open::before {
    position: fixed;
    z-index: 7;
    inset: 0;
    background: rgba(8, 8, 11, 0.55);
    content: "";
  }

  .control-panel {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    max-height: min(78svh, 44rem);
    padding: 0.6rem 1rem 5rem;
    border-top: 1px solid var(--line-bright);
    border-left: 0;
    border-radius: 10px 10px 0 0;
    transform: translateY(105%);
    transition: transform 220ms cubic-bezier(0.2, 0.7, 0.2, 1);
  }

  .panel-heading { top: -0.6rem; margin: -0.6rem -1rem 0.4rem; padding: 0.6rem 1rem 0.6rem; }
  .app-shell.controls-open .control-panel { transform: translateY(0); }
  .drawer-grip { display: block; width: 2.4rem; height: 3px; margin: 0 auto 0.6rem; border-radius: 99px; background: var(--line-bright); }
  .mobile-only { display: block; }
  .stage-hint { display: none; }

  .mobile-bar {
    position: fixed;
    z-index: 10;
    right: 0;
    bottom: 0;
    left: 0;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    min-height: 4.1rem;
    padding: 0.35rem 0.5rem max(0.35rem, env(safe-area-inset-bottom));
    border-top: 1px solid var(--line);
    background: rgba(14, 15, 20, 0.97);
  }

  .mobile-action {
    border: 0;
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    font-size: 0.62rem;
  }

  .mobile-action:hover,
  .mobile-action:focus-visible { color: var(--ink); }
  .mobile-action-accent { color: var(--acid); }
}

@media (max-width: 520px) {
  .tempo-readout #bpm-readout { font-size: 0.58rem; }
  .button, .chip, .visual-button { min-height: 2.5rem; }
  .field { grid-template-columns: 5.4rem minmax(0, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }
}

.slider-label .learn { width: 1.3rem; height: 1.15rem; margin-left: 0.35rem; padding: 0; font-size: 0.5rem; vertical-align: middle; }