:root {
  color-scheme: dark;
  --surface: #252724;
  --surface-raised: #30322e;
  --surface-sunk: #151614;
  --surface-black: #090a09;
  --line: #666960;
  --line-soft: #42453f;
  --ink: #f0f0e9;
  --ink-dim: #a8aaa2;
  --ink-faint: #73766e;
  --orange: #ff5a2a;
  --yellow: #f4c64f;
  --blue: #77aefb;
  --danger: #ff654e;
  --machine-radius: 2px;
  --font-machine: ui-monospace, "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { min-height: 100%; background: var(--surface); }
body {
  min-height: 100%;
  margin: 0;
  background:
    linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px) 0 0 / 100% 24px,
    var(--surface);
  color: var(--ink);
  font-family: var(--font-machine);
  font-size: 14px;
  line-height: 1.35;
}
button, input, select { font: inherit; }
button, select, input[type="number"], input[type="file"] {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: var(--machine-radius);
  background: var(--surface-sunk);
  color: var(--ink);
}
button {
  padding: 8px 12px;
  cursor: pointer;
  font-weight: 650;
  letter-spacing: .02em;
  text-transform: uppercase;
}
button:hover:not(:disabled) { color: var(--surface-black); background: var(--ink); border-color: var(--ink); }
button:active:not(:disabled) { transform: translate(1px, 1px); }
button:disabled, select:disabled, input:disabled { opacity: .38; cursor: not-allowed; }
select, input[type="number"] { padding: 7px 9px; }
input[type="checkbox"] { width: 18px; height: 18px; margin: 0; accent-color: var(--blue); }
input[type="range"] { width: 100%; margin: 0; accent-color: var(--blue); }
a { color: var(--ink); text-decoration: underline; text-underline-offset: 4px; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
[hidden] { display: none !important; }

.app-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: minmax(210px, 1fr) auto minmax(210px, 1fr);
  align-items: stretch;
  min-height: 78px;
  border-bottom: 2px solid var(--ink);
  background: rgba(21,22,20,.97);
  backdrop-filter: blur(10px);
}
.tool-id { display: flex; align-items: center; gap: 14px; padding: 12px 18px; }
.tool-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 2px solid var(--ink);
  background: var(--ink);
  color: var(--surface-black);
  font-size: 18px;
  font-weight: 850;
}
.tool-kicker { color: var(--ink-dim); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; }
.tool-title { margin: 2px 0 0; font-size: 18px; font-weight: 800; letter-spacing: -.04em; text-transform: uppercase; }
.mode-nav { display: grid; grid-auto-flow: column; border-inline: 1px solid var(--line); }
.mode-nav a {
  display: grid;
  place-items: center;
  min-width: 130px;
  padding: 10px 16px;
  color: var(--ink-dim);
  text-decoration: none;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
}
.mode-nav a + a { border-left: 1px solid var(--line); }
.mode-nav a[aria-current="page"] { background: var(--ink); color: var(--surface-black); }
.mode-nav a:hover { background: var(--surface-raised); color: var(--ink); }
.header-actions { display: flex; justify-content: flex-end; align-items: center; gap: 8px; padding: 12px 18px; }
.header-actions button { min-height: 42px; }
.info-button {
  width: 42px;
  padding: 0;
  border-radius: 50%;
  font-size: 17px;
  font-style: italic;
  text-transform: none;
}
.button-primary { border-color: var(--ink); background: var(--ink); color: var(--surface-black); }
.button-record { border-color: var(--orange); color: var(--orange); }
.button-warning { border-color: var(--yellow); color: var(--yellow); }
.button-danger { border-color: var(--danger); color: var(--danger); }
.button-blue, button.selected { border-color: var(--blue); color: var(--blue); }
button.active { border-color: var(--ink); background: var(--ink); color: var(--surface-black); }
.button-square { min-width: 40px; padding-inline: 9px; }

.connection-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px 18px;
  min-height: 42px;
  padding: 8px max(18px, calc((100% - 1440px) / 2));
  border-bottom: 1px solid var(--line);
  background: var(--surface-black);
  color: var(--ink-dim);
  font-size: 11px;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.connection-strip .status { margin: 0; min-height: auto; }
.status { color: var(--ink-dim); font-size: 11px; letter-spacing: .02em; }
.status.good { color: var(--blue); }
.status.warning, .midi-warning { color: var(--yellow); }
.status.error, .cache-warning, .unsupported { color: var(--danger); }
.signal {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 7px;
  border: 1px solid currentColor;
  background: currentColor;
}

.workspace { width: min(1440px, calc(100% - 28px)); margin: 0 auto; padding: 14px 0 44px; }
.section-label {
  color: var(--ink-dim);
  font-size: 10px;
  font-weight: 650;
  letter-spacing: .15em;
  text-transform: uppercase;
}
.section-number { color: var(--ink-faint); font-size: 11px; }
.readout { font-variant-numeric: tabular-nums; }

.machine-panel { border: 1px solid var(--line); background: var(--surface); }
.machine-panel + .machine-panel { margin-top: 12px; }
.machine-panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  min-height: 42px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-sunk);
}
.machine-panel-head h2 { margin: 0; font-size: 13px; letter-spacing: .06em; text-transform: uppercase; }

/* Launcher */
.launcher-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.slot {
  position: relative;
  min-width: 0;
  min-height: 156px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface-raised);
}
.slot.selected { box-shadow: inset 0 0 0 2px var(--blue); }
.slot.playing { color: var(--surface-black); background: var(--ink); }
.slot.learning { box-shadow: inset 0 0 0 3px var(--yellow); }
.slot.dragover { background: var(--blue); color: var(--surface-black); }
.slot-main {
  width: 100%;
  min-height: 102px;
  padding: 10px 12px;
  border: 0;
  background: transparent;
  color: inherit;
  text-align: left;
  text-transform: none;
}
.slot-main:hover:not(:disabled) { background: rgba(255,255,255,.06); color: inherit; }
.slot-topline { display: flex; justify-content: space-between; align-items: start; gap: 10px; }
.slot-number { font-size: 32px; font-weight: 850; line-height: .95; letter-spacing: -.08em; }
.slot-mode { color: var(--ink-dim); font-size: 9px; letter-spacing: .12em; text-transform: uppercase; }
.slot.playing .slot-mode, .slot.playing .slot-meta { color: #3e403b; }
.file-name { margin-top: 16px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12px; font-weight: 600; }
.slot-meta { display: flex; justify-content: space-between; gap: 8px; margin-top: 5px; color: var(--ink-dim); font-size: 9px; text-transform: uppercase; }
.slot-performance {
  display: grid;
  grid-template-columns: 78px 1fr 42px;
  align-items: center;
  gap: 8px;
  min-height: 52px;
  padding: 7px 10px;
  border-top: 1px solid var(--line);
  background: var(--surface-sunk);
  color: var(--ink);
}
.slot.playing .slot-performance { border-color: #777970; background: var(--surface-black); color: var(--ink); }
.slot-play { min-height: 34px; padding: 5px 8px; font-size: 10px; }
.slot-volume-value { text-align: right; color: var(--ink-dim); font-size: 10px; }

.slot-inspector { margin-top: 12px; border: 2px solid var(--ink); background: var(--surface-sunk); }
.inspector-head {
  display: grid;
  grid-template-columns: 100px minmax(0, 1fr) auto;
  align-items: center;
  min-height: 62px;
  border-bottom: 1px solid var(--line);
}
.inspector-index { align-self: stretch; display: grid; place-items: center; border-right: 1px solid var(--line); font-size: 34px; font-weight: 850; }
.inspector-title { min-width: 0; padding: 10px 14px; }
.inspector-title strong { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 15px; }
.inspector-title span { color: var(--ink-dim); font-size: 10px; text-transform: uppercase; }
.inspector-actions { display: flex; gap: 8px; padding: 10px 12px; }
.inspector-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); }
.inspector-field { min-width: 0; padding: 12px; border-right: 1px solid var(--line); }
.inspector-field:last-child { border-right: 0; }
.inspector-field label, .setup-field label { display: block; margin-bottom: 8px; color: var(--ink-dim); font-size: 9px; letter-spacing: .1em; text-transform: uppercase; }
.inspector-field select, .inspector-field input[type="number"], .inspector-field input[type="file"] { width: 100%; }
.value-line { display: flex; align-items: center; gap: 8px; }
.value-line output { min-width: 46px; color: var(--ink); text-align: right; font-size: 11px; }
.file-drop { outline: 1px dashed var(--line); outline-offset: -5px; }
.file-drop.dragover { outline-color: var(--blue); background: rgba(119, 174, 251, .12); }

/* Looper */
.looper-toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  border: 1px solid var(--line);
  background: var(--surface-sunk);
}
.transport-bank, .edit-bank { display: flex; flex-wrap: wrap; align-items: center; gap: 7px; padding: 9px; }
.edit-bank { justify-content: flex-end; border-left: 1px solid var(--line); }
.session-console {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  margin-top: 12px;
  border: 1px solid var(--line);
  background: var(--surface-raised);
}
.session-controls { display: flex; flex-wrap: wrap; align-items: stretch; }
.session-control { display: flex; align-items: center; gap: 9px; min-height: 62px; padding: 10px 13px; border-right: 1px solid var(--line); }
.session-control > span:first-child { color: var(--ink-dim); font-size: 9px; letter-spacing: .1em; text-transform: uppercase; }
.session-control input[type="number"] { width: 78px; font-size: 18px; font-weight: 750; }
.session-state { display: grid; align-content: center; justify-items: end; min-width: 220px; padding: 10px 14px; border-left: 1px solid var(--line); background: var(--surface-sunk); text-transform: uppercase; }
.session-state .status { margin: 0; }

.capture-console {
  display: grid;
  grid-template-columns: minmax(230px, .75fr) minmax(0, 1.25fr);
  margin-top: 12px;
  border: 2px solid var(--ink);
  background: var(--surface-sunk);
}
.capture-action { min-height: 150px; padding: 18px; border: 0; border-right: 1px solid var(--line); border-radius: 0; font-size: clamp(20px, 3vw, 38px); font-weight: 850; text-align: left; }
.capture-action.record-new { color: var(--orange); }
.capture-action.end-recording { background: var(--orange); color: var(--surface-black); }
.capture-readout { display: grid; place-items: center; min-height: 150px; padding: 16px; text-align: center; }
.capture-count { font-size: clamp(58px, 10vw, 116px); font-weight: 850; line-height: .8; letter-spacing: -.1em; }
.capture-copy { margin-top: 16px; color: var(--ink-dim); font-size: 11px; text-transform: uppercase; }
.capture-tools { display: flex; justify-content: space-between; align-items: center; margin-top: 7px; }

.layers-console { margin-top: 12px; border: 1px solid var(--line); }
.layers { background: var(--surface-sunk); }
.empty { padding: 48px 16px; color: var(--ink-faint); text-align: center; text-transform: uppercase; }
.layer {
  display: grid;
  grid-template-columns: 160px minmax(180px, 1fr) auto minmax(180px, .55fr) auto;
  align-items: center;
  gap: 12px;
  min-height: 76px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-raised);
}
.layer:last-child { border-bottom: 0; }
.layer.muted { color: var(--ink-faint); background: #20221f; }
.layer.soloed { box-shadow: inset 4px 0 0 var(--yellow); }
.layer-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13px; font-weight: 750; text-transform: uppercase; }
.layer-meta { margin-top: 3px; color: var(--ink-dim); font-size: 9px; letter-spacing: .08em; text-transform: uppercase; }
.phase-strip { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: 3px; height: 28px; }
.phase-cell { position: relative; border: 1px solid var(--line); background: var(--surface-sunk); }
.phase-cell::after { content: ""; position: absolute; inset: 4px; background: var(--line-soft); }
.phase-cell.active { border-color: var(--ink); }
.phase-cell.active::after { background: var(--ink); }
.layer.muted .phase-cell.active::after { background: var(--ink-faint); }
.layer-actions { display: flex; flex-wrap: wrap; gap: 6px; }
.layer-actions button { min-height: 34px; padding: 5px 8px; font-size: 10px; }
.layer-actions button.on { border-color: var(--ink); background: var(--ink); color: var(--surface-black); }
.layer-actions button.solo-on { border-color: var(--yellow); color: var(--yellow); }
.volume-row { display: grid; grid-template-columns: 1fr 44px; align-items: center; gap: 8px; }
.volume-value { color: var(--ink-dim); font-size: 10px; text-align: right; }

.jam-console { margin-top: 12px; padding: 10px 12px; border: 1px solid var(--line); background: var(--surface-sunk); }
.jam-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.jam-result { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--line); }
audio { width: min(100%, 520px); height: 34px; }
.meter { width: 100%; height: 8px; border: 0; background: var(--surface-black); }
meter::-webkit-meter-bar { border: 0; background: var(--surface-black); }
meter::-webkit-meter-optimum-value { background: var(--blue); }

/* Dialogs */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  place-items: center;
  padding: 16px;
  background: rgba(0,0,0,.76);
}
.modal-backdrop.open { display: grid; }
.modal {
  width: min(820px, 100%);
  max-height: min(820px, calc(100vh - 32px));
  overflow: auto;
  border: 2px solid var(--ink);
  border-radius: 0;
  background: var(--surface);
  box-shadow: 14px 14px 0 var(--surface-black);
}
.modal-header { position: sticky; top: 0; z-index: 2; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--line); background: var(--surface-sunk); }
.modal-header h2 { margin: 0; padding: 13px 16px; font-size: 14px; letter-spacing: .08em; text-transform: uppercase; }
.modal-close { width: 48px; min-height: 48px; border: 0; border-left: 1px solid var(--line); border-radius: 0; font-size: 22px; }
.modal-tabs { display: flex; border-bottom: 1px solid var(--line); background: var(--surface-black); }
.modal-tab { border: 0; border-right: 1px solid var(--line); border-radius: 0; color: var(--ink-dim); }
.modal-tab.active { background: var(--ink); color: var(--surface-black); }
.modal-body { padding: 18px; }
.modal-body h3 { margin: 24px 0 8px; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.modal-body h3:first-child { margin-top: 0; }
.modal-body p, .modal-body li { color: #d5d6cf; line-height: 1.55; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.setup-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.setup-field { padding: 12px; border: 1px solid var(--line); background: var(--surface-sunk); }
.setup-field select, .setup-field button { width: 100%; }
.setup-span { grid-column: 1 / -1; }
.code-grid { display: grid; grid-template-columns: 72px 1fr; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.code-grid > * { padding: 9px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.code { color: var(--orange); font-size: 17px; font-weight: 800; }
.callout { padding: 12px; border-left: 5px solid var(--yellow); background: var(--surface-sunk); }
.callout.good { border-color: var(--blue); }

@keyframes rec-blink { 0%, 48% { opacity: 1; } 49%, 100% { opacity: .2; } }
.record-action.active::before { content: "■ "; animation: rec-blink .8s steps(1) infinite; }

@media (max-width: 1000px) {
  .app-header { grid-template-columns: 1fr auto; }
  .mode-nav { order: 3; grid-column: 1 / -1; border-top: 1px solid var(--line); border-inline: 0; }
  .mode-nav a { min-height: 42px; }
  .launcher-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .inspector-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .inspector-field:nth-child(3) { border-right: 0; }
  .inspector-field:nth-child(-n+3) { border-bottom: 1px solid var(--line); }
  .layer { grid-template-columns: 130px minmax(160px, 1fr) auto; }
  .layer .volume-row { grid-column: 1 / 3; }
}

@media (max-width: 680px) {
  body { font-size: 13px; }
  .app-header { position: relative; grid-template-columns: 1fr; }
  .tool-id { padding: 10px 14px; }
  .header-actions { position: absolute; top: 8px; right: 8px; padding: 0; }
  .header-actions .hide-mobile { display: none; }
  .mode-nav { grid-column: 1; }
  .mode-nav a { min-width: 0; }
  .connection-strip { padding-inline: 14px; }
  .workspace { width: calc(100% - 16px); padding-top: 8px; }
  .launcher-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .slot { min-height: 146px; }
  .inspector-head { grid-template-columns: 68px 1fr; }
  .inspector-actions { grid-column: 1 / -1; border-top: 1px solid var(--line); }
  .inspector-grid { grid-template-columns: 1fr 1fr; }
  .inspector-field, .inspector-field:nth-child(3) { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .inspector-field:nth-child(even) { border-right: 0; }
  .looper-toolbar, .session-console, .capture-console { grid-template-columns: 1fr; }
  .edit-bank, .session-state { border-top: 1px solid var(--line); border-left: 0; justify-content: flex-start; }
  .session-state { justify-items: start; min-width: 0; }
  .capture-action { min-height: 108px; border-right: 0; border-bottom: 1px solid var(--line); }
  .capture-readout { min-height: 118px; }
  .layer { grid-template-columns: 1fr auto; }
  .layer .phase-strip, .layer .volume-row { grid-column: 1 / -1; }
  .layer-actions { justify-content: flex-start; }
  .setup-grid { grid-template-columns: 1fr; }
  .setup-span { grid-column: auto; }
  .modal { box-shadow: 6px 6px 0 var(--surface-black); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; scroll-behavior: auto !important; }
}