:root {
  --lab-bg: #09090b;
  --lab-panel: #151519;
  --lab-raised: #202027;
  --lab-line: #393940;
  --lab-text: #f6f4ee;
  --lab-muted: #aaaab3;
  --lab-cyan: #5ce7e7;
  --lab-pink: #ff2868;
  --lab-yellow: #ffe14d;
  --lab-green: #6ee784;
}

* { box-sizing: border-box; }
html, body { min-height: 100%; margin: 0; }
body {
  color: var(--lab-text);
  background: var(--lab-bg);
  font-family: "M PLUS 1", Inter, "Helvetica Neue", Arial, sans-serif;
  letter-spacing: 0;
}
button, input, select { font: inherit; }
button, select, input[type="range"] { cursor: pointer; }
a { color: inherit; }

.tool-topbar {
  min-height: 64px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 20px;
  border-bottom: 1px solid var(--lab-line);
  background: #050506;
}
.tool-topbar__back {
  width: 40px;
  height: 40px;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid var(--lab-line);
  color: var(--lab-text);
  text-decoration: none;
  font-size: 24px;
}
.tool-topbar__brand { min-width: 0; }
.tool-topbar__brand strong { display: block; font: 900 15px/1.15 "Arial Black", Inter, sans-serif; }
.tool-topbar__brand span { display: block; margin-top: 5px; color: var(--lab-cyan); font: 800 9px/1 monospace; }
.tool-topbar__nav { display: flex; gap: 8px; margin-left: auto; }
.tool-topbar__nav a {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  border: 1px solid var(--lab-line);
  font: 900 10px/1 monospace;
  text-decoration: none;
}

.tool-shell { width: min(1280px, 100%); margin: 0 auto; padding: 42px 24px 80px; }
.tool-hero { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 30px; align-items: end; }
.tool-kicker { margin: 0 0 12px; color: var(--lab-pink); font: 900 10px/1 monospace; }
.tool-hero h1 { max-width: 900px; margin: 0; font: 900 62px/.96 "Arial Black", Inter, sans-serif; letter-spacing: 0; }
.tool-lead { max-width: 760px; margin: 20px 0 0; color: var(--lab-muted); font-size: 15px; font-weight: 700; line-height: 1.85; }
.local-note {
  margin: 0;
  padding: 18px;
  border-left: 4px solid var(--lab-green);
  background: var(--lab-panel);
  color: var(--lab-muted);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.7;
}

.tool-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr);
  gap: 16px;
  margin-top: 34px;
}
.tool-stage, .tool-controls, .state-rack, .advanced-panel {
  border: 1px solid var(--lab-line);
  background: var(--lab-panel);
}
.tool-stage { min-height: 420px; padding: 20px; }
.tool-controls { padding: 20px; }
.panel-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}
.panel-title h2 { margin: 0; font: 900 17px/1.15 "Arial Black", Inter, sans-serif; }
.panel-title span { color: var(--lab-muted); font: 800 9px/1 monospace; }

.waveform {
  width: 100%;
  height: 210px;
  display: block;
  border: 1px solid var(--lab-line);
  background: #08080a;
}
.drop-zone {
  min-height: 104px;
  display: grid;
  place-items: center;
  margin-bottom: 16px;
  padding: 18px;
  border: 1px dashed #686872;
  color: var(--lab-muted);
  background: #101014;
  text-align: center;
  font-size: 12px;
  font-weight: 800;
  line-height: 1.6;
}
.drop-zone.is-ready { color: var(--lab-text); border-style: solid; border-color: var(--lab-cyan); }
.drop-zone input { width: min(100%, 360px); }

.control-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 12px; }
.control { min-width: 0; }
.control--wide { grid-column: 1 / -1; }
.control label {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 7px;
  color: var(--lab-muted);
  font: 800 9px/1.2 monospace;
}
.control output { color: var(--lab-cyan); }
.control select, .control input[type="number"], .control input[type="text"] {
  width: 100%;
  height: 44px;
  padding: 0 10px;
  color: var(--lab-text);
  border: 1px solid var(--lab-line);
  background: #0b0b0e;
}
.control input[type="range"] { width: 100%; min-height: 36px; margin: 0; accent-color: var(--lab-cyan); }

.preset-strip, .transport-strip, .ab-strip, .state-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.preset-strip { margin-bottom: 18px; }
.tool-button {
  min-height: 42px;
  padding: 0 13px;
  color: var(--lab-text);
  border: 1px solid var(--lab-line);
  background: var(--lab-raised);
  font: 900 10px/1 monospace;
}
.tool-button:hover, .tool-button:focus-visible { color: #08080a; background: var(--lab-cyan); border-color: var(--lab-cyan); }
.tool-button.is-active { color: #08080a; background: var(--lab-yellow); border-color: var(--lab-yellow); }
.tool-button--play { color: #071008; background: var(--lab-green); border-color: var(--lab-green); }
.tool-button--save { color: #171000; background: var(--lab-yellow); border-color: var(--lab-yellow); }
.tool-button:disabled { cursor: not-allowed; opacity: .42; }

.transport-strip { margin-top: 16px; }
.status {
  min-height: 46px;
  margin: 16px 0 0;
  padding: 12px 14px;
  border-left: 3px solid var(--lab-pink);
  color: var(--lab-muted);
  background: #0c0c0f;
  font-size: 11px;
  font-weight: 700;
  line-height: 1.7;
}

.advanced-panel { margin-top: 16px; }
.advanced-panel summary {
  min-height: 50px;
  display: flex;
  align-items: center;
  padding: 0 18px;
  color: var(--lab-cyan);
  cursor: pointer;
  font: 900 10px/1 monospace;
}
.advanced-panel__body { padding: 4px 18px 20px; }

.state-rack { margin-top: 16px; padding: 18px; }
.state-rack__head { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.state-rack__head strong { font: 900 12px/1 "Arial Black", Inter, sans-serif; }
.state-rack__head span { color: var(--lab-muted); font: 800 9px/1 monospace; }
.state-selects { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 10px; }
.state-selects select {
  width: 100%;
  height: 42px;
  padding: 0 10px;
  color: var(--lab-text);
  border: 1px solid var(--lab-line);
  background: #0b0b0e;
  font-size: 11px;
}
.ab-strip { margin-top: 10px; }

.candidate-list { display: grid; gap: 8px; margin-top: 16px; }
.candidate {
  width: 100%;
  min-height: 46px;
  display: grid;
  grid-template-columns: 54px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  color: var(--lab-text);
  border: 1px solid var(--lab-line);
  background: #101014;
  text-align: left;
}
.candidate.is-active { border-color: var(--lab-yellow); background: #242014; }
.candidate strong { color: var(--lab-cyan); font: 900 10px/1 monospace; }
.candidate span { font-size: 12px; font-weight: 800; }
.candidate small { color: var(--lab-muted); font: 800 9px/1 monospace; }

.hit-sequence { display: grid; grid-template-columns: repeat(8, 1fr); gap: 6px; margin-top: 16px; }
.hit-step {
  min-width: 0;
  aspect-ratio: 1;
  padding: 4px;
  color: var(--lab-muted);
  border: 1px solid var(--lab-line);
  background: #101014;
  font: 900 9px/1 monospace;
}
.hit-step.is-on { color: #0b0b0d; background: var(--lab-pink); border-color: var(--lab-pink); }

.meter {
  height: 8px;
  margin-top: 14px;
  overflow: hidden;
  background: #050506;
}
.meter span { width: 0; height: 100%; display: block; background: var(--lab-green); transition: width .15s linear; }

.tool-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 24px;
  border-top: 1px solid var(--lab-line);
  color: var(--lab-muted);
  font-size: 11px;
  font-weight: 800;
}
.tool-footer nav { display: flex; flex-wrap: wrap; gap: 14px; }
.tool-footer a { color: var(--lab-cyan); text-decoration: none; }

.chop-shell { width: min(1440px, 100%); }
.chop-title { font-size: 54px !important; }
.chop-workspace { grid-template-columns: minmax(0, 1.55fr) minmax(310px, .45fr); }
.chop-editor { min-height: 0; }
.chop-waveform { height: 260px; touch-action: none; }
.slice-readout {
  min-height: 38px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0 0;
  color: var(--lab-muted);
  font: 800 9px/1.5 monospace;
}
.slice-toolbar {
  display: grid;
  grid-template-columns: 92px minmax(150px, 1fr) 118px repeat(5, auto);
  align-items: end;
  gap: 8px;
  margin-top: 15px;
}
.slice-control label { margin-bottom: 6px; }
.slice-control select { height: 42px; }
.auto-assign-switch {
  display: grid;
  min-height: 42px;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--lab-line);
  padding: 0 10px;
  background: #0b0b0e;
  color: var(--lab-muted);
  font: 800 8px/1 monospace;
  cursor: pointer;
}
.auto-assign-switch input {
  width: 18px;
  height: 18px;
  margin: 0;
  accent-color: var(--lab-pink);
}
.auto-assign-switch strong {
  min-width: 18px;
  color: var(--lab-green);
  font-size: 9px;
  text-align: right;
}
.auto-assign-switch:has(input:not(:checked)) strong { color: var(--lab-muted); }
.panel-title--sub { margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--lab-line); }
.panel-title--compact { margin-bottom: 12px; }
.source-prep {
  margin-top: 16px;
  padding: 14px;
  border: 1px solid var(--lab-line);
  background: #101014;
}
.source-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}
.source-stats div {
  min-width: 0;
  padding: 10px;
  border: 1px solid #2e2e35;
  background: #09090b;
}
.source-stats small { display: block; color: var(--lab-muted); font: 800 8px/1 monospace; }
.source-stats strong {
  display: block;
  margin-top: 7px;
  overflow: hidden;
  color: var(--lab-cyan);
  font: 900 10px/1.15 monospace;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.source-stats strong.is-warning { color: var(--lab-pink); }
.source-prep-actions {
  display: grid;
  grid-template-columns: minmax(150px, 1fr) repeat(4, auto);
  align-items: end;
  gap: 8px;
  margin-top: 10px;
}
.source-threshold label { margin-bottom: 3px; }
.checkbox-control label {
  min-height: 44px;
  align-items: center;
  margin: 0;
  padding: 0 12px;
  border: 1px solid var(--lab-line);
  background: #0b0b0e;
}
.checkbox-control input { width: 20px; height: 20px; accent-color: var(--lab-pink); }
.chop-performance, .chop-pattern {
  margin-top: 16px;
  padding: 20px;
  border: 1px solid var(--lab-line);
  background: var(--lab-panel);
}
.pad-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 9px;
}
.sample-pad {
  position: relative;
  min-width: 0;
  aspect-ratio: 1.45;
  display: grid;
  align-content: space-between;
  gap: 8px;
  padding: 12px;
  color: var(--lab-text);
  border: 1px solid var(--lab-line);
  background: #101014;
  text-align: left;
  user-select: none;
  touch-action: manipulation;
}
.sample-pad::before {
  content: "";
  position: absolute;
  inset: 0;
  border-top: 4px solid var(--pad-color, var(--lab-cyan));
  pointer-events: none;
}
.sample-pad:hover, .sample-pad:focus-visible { border-color: var(--pad-color, var(--lab-cyan)); }
.sample-pad.is-selected { outline: 2px solid var(--lab-yellow); outline-offset: 2px; }
.sample-pad.is-playing { color: #050506; background: var(--pad-color, var(--lab-cyan)); border-color: var(--pad-color, var(--lab-cyan)); }
.sample-pad.is-empty { opacity: .48; }
.sample-pad strong { font: 900 22px/1 "Arial Black", Inter, sans-serif; }
.sample-pad span { overflow: hidden; font: 900 11px/1.2 monospace; text-overflow: ellipsis; white-space: nowrap; }
.sample-pad small { color: var(--lab-muted); font: 800 9px/1 monospace; }
.sample-pad.is-playing small { color: #101014; }
.pad-key {
  position: absolute;
  top: 11px;
  right: 11px;
  font: 900 10px/1 monospace;
}
.pattern-toolbar { display: flex; flex-wrap: wrap; align-items: end; gap: 8px; }
.pattern-bpm { width: 92px; }
.pattern-grid {
  display: grid;
  grid-template-columns: repeat(16, minmax(38px, 1fr));
  gap: 5px;
  margin-top: 16px;
  overflow-x: auto;
  padding-bottom: 4px;
}
.pattern-step {
  min-width: 38px;
  aspect-ratio: .8;
  display: grid;
  place-items: center;
  gap: 2px;
  padding: 5px 2px;
  color: var(--lab-muted);
  border: 1px solid var(--lab-line);
  background: #101014;
  font: 900 9px/1 monospace;
}
.pattern-step span { color: var(--lab-text); font-size: 10px; }
.pattern-step.is-on { color: #09090b; background: var(--step-color, var(--lab-pink)); border-color: var(--step-color, var(--lab-pink)); }

.oracle-page {
  --lab-bg: #0c0d0c;
  --lab-panel: #161816;
  --lab-raised: #222522;
  --lab-line: #363a36;
  --lab-text: #f2f0e8;
  --lab-muted: #90968f;
  --lab-cyan: #55dce0;
  --lab-pink: #f14d4d;
  --lab-yellow: #f2c94c;
  --lab-green: #65e070;
}
.oracle-shell { width: min(1320px, 100%); }
.oracle-hero h1 { color: var(--lab-yellow); }
.oracle-command {
  display: grid;
  grid-template-columns: auto auto minmax(260px, 1fr);
  align-items: stretch;
  gap: 10px;
  margin-top: 34px;
}
.oracle-bpm {
  min-height: 104px;
  display: grid;
  grid-template-columns: 42px 46px 104px 46px;
  align-items: center;
  gap: 6px;
  padding: 14px;
  background: var(--lab-panel);
}
.oracle-bpm label {
  color: var(--lab-muted);
  font: 900 9px/1 monospace;
}
.oracle-bpm input {
  width: 100%;
  height: 58px;
  padding: 0;
  color: var(--lab-yellow);
  border: 0;
  outline: 0;
  background: #080908;
  text-align: center;
  font: 900 29px/1 "Arial Black", sans-serif;
}
.oracle-step {
  width: 46px;
  height: 58px;
  padding: 0;
  color: var(--lab-text);
  border: 0;
  background: var(--lab-raised);
  font-size: 22px;
}
.oracle-tap { min-width: 118px; }
.oracle-main-readout {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(110px, .7fr) minmax(160px, 1fr) minmax(100px, .7fr);
  align-items: center;
  gap: 16px;
  padding: 14px 22px;
  color: #101210;
  background: var(--lab-yellow);
}
.oracle-main-readout small,
.oracle-main-readout span { font: 900 10px/1.3 monospace; }
.oracle-main-readout strong { font: 900 clamp(30px, 4vw, 55px)/1 "Arial Black", sans-serif; text-align: center; }
.oracle-main-readout span { text-align: right; }
.oracle-workspace { grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr); }
.oracle-stage { min-height: 0; }
.oracle-candidates .candidate { grid-template-columns: 62px minmax(0, 1fr) 84px; }
.oracle-candidates .candidate strong { color: var(--lab-yellow); }
.oracle-candidates .candidate.is-active { color: #101210; border-color: var(--lab-yellow); background: var(--lab-yellow); }
.oracle-candidates .candidate.is-active strong,
.oracle-candidates .candidate.is-active small { color: #101210; }
.oracle-verdict {
  margin-top: 18px;
  padding: 18px;
  background: #101210;
}
.oracle-verdict > p { min-height: 54px; margin: 0; color: var(--lab-text); font-size: 13px; font-weight: 700; line-height: 1.8; }
.oracle-verdict dl { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin: 18px 0 0; background: var(--lab-line); }
.oracle-verdict dl div { min-width: 0; padding: 11px; background: var(--lab-panel); }
.oracle-verdict dt { color: var(--lab-muted); font: 800 8px/1.3 monospace; }
.oracle-verdict dd { margin: 8px 0 0; color: var(--lab-cyan); font: 900 14px/1 monospace; }
.oracle-table { margin-top: 14px; background: #101210; }
.oracle-table summary { min-height: 48px; display: flex; align-items: center; padding: 0 14px; color: var(--lab-muted); cursor: pointer; font: 900 9px/1 monospace; }
.oracle-table__grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; padding: 1px; background: var(--lab-line); }
.oracle-table__grid div { padding: 12px 8px; background: var(--lab-panel); text-align: center; }
.oracle-table__grid span { display: block; color: var(--lab-muted); font: 800 9px/1 monospace; }
.oracle-table__grid strong { display: block; margin-top: 7px; color: var(--lab-yellow); font: 900 12px/1 monospace; }
.oracle-danger {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  margin-top: 18px;
  padding: 14px;
  color: #fff;
  background: #8d191d;
  font-size: 11px;
  font-weight: 800;
  line-height: 1.6;
}
.oracle-danger[hidden] { display: none; }
.oracle-danger strong { font: 900 11px/1 monospace; }
.oracle-audio {
  margin-top: 16px;
  padding: 20px;
  border: 1px solid var(--lab-line);
  background: var(--lab-panel);
}
.oracle-audio .drop-zone { grid-template-columns: 1fr minmax(240px, 360px); min-height: 82px; }
.oracle-waveform { height: 150px; }

@media (max-width: 820px) {
  .oracle-command { grid-template-columns: 1fr auto; }
  .oracle-main-readout { grid-column: 1 / -1; }
  .oracle-workspace { grid-template-columns: 1fr; }
  .oracle-audio .drop-zone { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .oracle-command { grid-template-columns: 1fr; }
  .oracle-tap { min-height: 54px; }
  .oracle-bpm { grid-template-columns: 36px 42px minmax(74px, 1fr) 42px; }
  .oracle-main-readout { grid-template-columns: 1fr; text-align: left; }
  .oracle-main-readout strong,
  .oracle-main-readout span { text-align: left; }
  .oracle-verdict dl { grid-template-columns: 1fr 1fr; }
  .oracle-table__grid { grid-template-columns: 1fr 1fr; }
  .oracle-candidates .candidate { grid-template-columns: 58px minmax(0, 1fr); }
  .oracle-candidates .candidate small { grid-column: 2; }
}
.pattern-step.is-on span { color: #09090b; }
.pattern-step.is-current { outline: 2px solid var(--lab-yellow); outline-offset: 1px; }
.pattern-help { margin: 12px 0 0; color: var(--lab-muted); font-size: 10px; font-weight: 700; line-height: 1.7; }
.tool-button--resample { color: #08080a; background: var(--lab-pink); border-color: var(--lab-pink); }
.tool-button--resample.is-recording { color: #fff; animation: resample-pulse .8s steps(2, end) infinite; }
@keyframes resample-pulse { 50% { background: #6f1232; } }

@media (max-width: 900px) {
  .tool-hero, .tool-workspace { grid-template-columns: 1fr; }
  .local-note { max-width: 680px; }
  .slice-toolbar { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .source-prep-actions { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .source-threshold { grid-column: 1 / -1; }
  .slice-control:nth-child(2) { grid-column: span 2; }
}

@media (max-width: 620px) {
  .tool-topbar { padding: 8px 12px; }
  .tool-topbar__brand span, .tool-topbar__nav a:last-child { display: none; }
  .tool-shell { padding: 28px 12px 60px; }
  .tool-hero h1 { font-size: 40px; }
  .tool-stage { min-height: 340px; padding: 14px; }
  .tool-controls { padding: 16px; }
  .control-grid, .state-selects { grid-template-columns: 1fr; }
  .control--wide { grid-column: auto; }
  .waveform { height: 160px; }
  .tool-button { flex: 1 1 auto; }
  .hit-sequence { grid-template-columns: repeat(4, 1fr); }
  .tool-footer { flex-direction: column; }
  .chop-title { font-size: 34px !important; }
  .chop-waveform { height: 190px; }
  .slice-readout { flex-direction: column; }
  .slice-toolbar { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .source-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .slice-control:nth-child(2) { grid-column: auto; }
  .slice-toolbar .tool-button { min-height: 46px; }
  .chop-performance, .chop-pattern { padding: 14px; }
  .pad-grid { gap: 6px; }
  .sample-pad { aspect-ratio: 1; padding: 8px; }
  .sample-pad strong { font-size: 16px; }
  .sample-pad span { font-size: 8px; }
  .sample-pad small { display: none; }
  .pad-key { top: 7px; right: 7px; font-size: 8px; }
  .pattern-grid { grid-template-columns: repeat(16, 38px); }
}

/* CHOP SAMPLER: 波形ズームとシーケンサーへの送信列 */
.zoom-tools { display: inline-flex; gap: 6px; margin-left: auto; }
.seq-send__row { display: flex; flex-wrap: wrap; gap: 6px; }