:root {
  /* scanlines-system DEFAULT_PALETTE.dark — hydrated further by applyThemeCss */
  color-scheme: dark;
  --fx-bg: #050607;
  --fx-bg-rgb: 5 6 7;
  --fx-panel: #08090a;
  --fx-panel-rgb: 8 9 10;
  --fx-text: #f4f4f0;
  --fx-text-rgb: 244 244 240;
  --fx-signal: #d8ff35;
  --fx-signal-rgb: 216 255 53;
  --fx-muted: #f4f4f0;
  --fx-muted-rgb: 244 244 240;
  --bg: var(--fx-bg);
  --panel: var(--fx-panel);
  --border: rgb(var(--fx-muted-rgb) / 0.16);
  --text: var(--fx-text);
  --text-dim: rgb(var(--fx-muted-rgb) / 0.68);
  --accent: var(--fx-signal);
  --font-mono: "IBM Plex Mono", "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace;
  --font-body: Inter, ui-sans-serif, system-ui, -apple-system, sans-serif;
  font-family: var(--font-mono);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  height: 100%;
  background: var(--fx-bg, var(--bg));
  color: var(--fx-text, var(--text));
  overflow: hidden;
}

#scene {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  touch-action: none;
  cursor: grab;
}

#tooltip {
  position: fixed;
  z-index: 20;
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 12px;
  pointer-events: none;
}

#hud {
  position: fixed;
  top: 12px;
  left: 12px;
  display: flex;
  gap: 16px;
  padding: 10px 14px;
  background: rgb(var(--fx-panel-rgb, 8 9 10) / 0.82);
  border: 1px solid rgb(var(--fx-muted-rgb, 244 244 240) / 0.14);
  border-radius: 0;
  font: 600 12px/1.2 var(--font-mono);
  letter-spacing: 0.02em;
  backdrop-filter: blur(14px);
  box-shadow: 0 0 24px rgb(var(--fx-signal-rgb, 216 255 53) / 0.06);
  z-index: 15;
}

#hud-repo {
  color: var(--fx-signal, var(--accent));
  font-weight: 900;
  text-transform: lowercase;
}

#legend {
  position: fixed;
  top: 12px;
  right: 12px;
  list-style: none;
  margin: 0;
  padding: 10px 14px;
  background: rgb(var(--fx-panel-rgb, 8 9 10) / 0.82);
  border: 1px solid rgb(var(--fx-muted-rgb, 244 244 240) / 0.14);
  border-radius: 0;
  font: 600 11px/1.3 var(--font-mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
  gap: 4px;
  backdrop-filter: blur(14px);
  z-index: 15;
}

#legend li {
  display: flex;
  align-items: center;
  gap: 6px;
}

#legend .dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 6px currentColor;
}

#transport {
  position: fixed;
  bottom: max(12px, env(safe-area-inset-bottom, 0px));
  left: max(12px, env(safe-area-inset-left, 0px));
  right: max(12px, env(safe-area-inset-right, 0px));
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  padding: 8px 14px;
  background: rgb(var(--fx-panel-rgb, 8 9 10) / 0.88);
  border: 1px solid rgb(var(--fx-muted-rgb, 244 244 240) / 0.14);
  border-radius: 0;
  backdrop-filter: blur(14px);
  box-shadow: 0 0 28px rgb(var(--fx-signal-rgb, 216 255 53) / 0.05);
  z-index: 20;
  font: 600 11px/1 var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  /* never spill past the viewport — wrap into a second row instead */
  max-width: calc(100vw - max(24px, env(safe-area-inset-left, 0px) + env(safe-area-inset-right, 0px)));
  box-sizing: border-box;
}

.transport-main {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1 1 220px;
  min-width: 0;
}

.transport-tools {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 1 auto;
  flex-wrap: wrap;
  min-width: 0;
}

.transport-speed {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.transport-speed input[type="range"] {
  width: 72px;
  max-width: 18vw;
}

.load-toggle-short {
  display: none;
}

#transport button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  background: rgb(var(--fx-muted-rgb, 244 244 240) / 0.06);
  border: 1px solid rgb(var(--fx-muted-rgb, 244 244 240) / 0.24);
  color: var(--fx-text, var(--text));
  border-radius: 0;
  padding: 0 14px;
  cursor: pointer;
  font: 900 11px/1 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: border-color 0.14s ease, background 0.14s ease, color 0.14s ease;
}

#transport button:hover {
  border-color: rgb(var(--fx-signal-rgb, 216 255 53) / 0.7);
  background: rgb(var(--fx-signal-rgb, 216 255 53) / 0.11);
}

#transport button.transport-dice {
  font-size: 16px;
  min-width: 36px;
  border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
  color: var(--accent);
}

#transport button.transport-dice:hover {
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  transform: rotate(-12deg) scale(1.06);
}

#transport button.transport-dice:active {
  transform: rotate(18deg) scale(0.96);
}

#transport button.transport-dice.is-rolling {
  animation: dice-roll 0.45s ease-out;
}

@keyframes dice-roll {
  0% {
    transform: rotate(0deg) scale(1);
  }
  40% {
    transform: rotate(-28deg) scale(1.15);
  }
  70% {
    transform: rotate(32deg) scale(1.08);
  }
  100% {
    transform: rotate(0deg) scale(1);
  }
}

#transport button:active {
  transform: scale(0.94);
}

#play {
  color: var(--fx-signal, var(--accent));
  border-color: rgb(var(--fx-signal-rgb, 216 255 53) / 0.5);
  min-width: 42px;
}

#transport button.transport-toggle {
  min-width: 48px;
  padding: 0 10px;
  opacity: 0.72;
}

#transport button.transport-toggle.is-on {
  border-color: rgb(var(--fx-signal-rgb, 216 255 53) / 0.7);
  background: rgb(var(--fx-signal-rgb, 216 255 53) / 0.14);
  color: var(--fx-signal, var(--accent));
  opacity: 1;
}

#transport button.transport-toggle.is-on::after {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-left: 6px;
  border-radius: 50%;
  background: var(--fx-signal, var(--accent));
  box-shadow: 0 0 8px var(--fx-signal, var(--accent));
}

input[type="range"] {
  accent-color: var(--accent);
}

.transport-audio {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: 4px;
  padding-left: 10px;
  border-left: 1px solid rgb(var(--fx-muted-rgb, 244 244 240) / 0.16);
  min-width: 0;
}

#audio-meter {
  width: 72px;
  height: 22px;
  border-radius: 0;
  background: rgb(var(--fx-muted-rgb, 244 244 240) / 0.06);
  border: 1px solid rgb(var(--fx-muted-rgb, 244 244 240) / 0.18);
  flex: 0 0 auto;
}

.transport-audio-btn {
  min-height: 30px !important;
  min-width: 34px;
  padding: 0 8px !important;
  font-size: 10px !important;
  letter-spacing: 0.04em;
  opacity: 0.85;
}

.transport-audio-btn.is-on {
  border-color: rgb(var(--fx-signal-rgb, 216 255 53) / 0.75) !important;
  background: rgb(var(--fx-signal-rgb, 216 255 53) / 0.16) !important;
  color: var(--fx-signal, var(--accent)) !important;
  opacity: 1;
}

.transport-audio-file {
  position: relative;
  display: inline-flex;
  cursor: pointer;
  margin: 0;
}

.transport-audio-file input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

.transport-audio-status {
  font: 600 10px/1 var(--font-mono);
  color: var(--text-dim, rgba(244, 244, 240, 0.55));
  max-width: 110px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 900px) {
  .transport-audio-status {
    display: none;
  }
  #audio-meter {
    width: 48px;
  }
  #transport {
    bottom: max(8px, env(safe-area-inset-bottom, 0px));
    left: max(8px, env(safe-area-inset-left, 0px));
    right: max(8px, env(safe-area-inset-right, 0px));
    padding: 8px 10px;
    gap: 8px;
  }
  .transport-main {
    flex: 1 1 100%;
    gap: 8px;
  }
  .transport-tools {
    flex: 1 1 100%;
    justify-content: flex-start;
  }
  .transport-speed-label {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
  }
  .transport-speed input[type="range"] {
    width: 56px;
  }
  #transport button {
    min-height: 36px;
    padding: 0 10px;
  }
  #load-toggle .load-toggle-full {
    display: none;
  }
  #load-toggle .load-toggle-short {
    display: inline;
  }
}

@media (max-width: 480px) {
  #hud {
    left: 8px;
    right: 8px;
    top: max(8px, env(safe-area-inset-top, 0px));
    flex-wrap: wrap;
    gap: 6px 12px;
    font-size: 11px;
    padding: 8px 10px;
  }
  #legend {
    top: auto;
    bottom: calc(max(8px, env(safe-area-inset-bottom, 0px)) + 108px);
    right: 8px;
    max-height: 30vh;
    overflow: auto;
    font-size: 10px;
    padding: 8px 10px;
  }
  #audio-meter {
    display: none;
  }
  .transport-audio {
    margin-left: 0;
    padding-left: 0;
    border-left: none;
  }
}

#timeline {
  height: 4px;
  filter: drop-shadow(0 0 4px color-mix(in srgb, var(--accent) 60%, transparent));
}

#timeline {
  flex: 1;
}

/* SPA load shell — same page as the canvas; overlay, no navigation */
#load-panel {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 48px 16px 32px;
  overflow-y: auto;
  background: rgb(0 0 0 / 0.55);
  backdrop-filter: blur(6px);
}

#load-panel[hidden] {
  display: none !important;
}

.load-panel-inner {
  width: min(560px, 96vw);
  max-height: none;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px 22px 18px;
  box-shadow: 0 24px 70px rgb(0 0 0 / 0.55);
  position: relative;
}

.load-panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.load-kicker {
  margin: 0 0 4px;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
}

#load-panel h2,
#load-panel-title {
  margin: 0 0 6px;
  font-size: 18px;
  letter-spacing: 0.01em;
}

.load-lead {
  margin: 0;
  font-size: 12px;
  line-height: 1.45;
  color: var(--text-dim);
  max-width: 42ch;
}

.load-options {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.load-option {
  margin-bottom: 0;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.load-option:last-of-type {
  border-bottom: none;
}

.load-option h3 {
  margin: 0 0 6px;
  font-size: 13px;
  font-weight: 700;
}

.load-option-primary {
  padding: 14px 12px;
  margin: 0 -4px 4px;
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--border));
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}

.load-row {
  display: flex;
  gap: 8px;
  align-items: stretch;
  margin-top: 6px;
}

.load-row input[type="text"] {
  flex: 1;
  min-width: 0;
  margin: 0;
}

.load-option input[type="text"],
.load-option textarea {
  width: 100%;
  background: var(--input-bg, #0d1119);
  color: var(--input-text, #dfe6f5);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px;
  font: inherit;
  font-size: 12px;
  margin: 6px 0;
}

.load-option button {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 6px 12px;
  cursor: pointer;
  font: inherit;
  white-space: nowrap;
}

.load-option-primary button#local-repo-load {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  color: var(--accent);
  font-weight: 700;
}

.load-option-primary button#local-repo-load:hover {
  background: color-mix(in srgb, var(--accent) 14%, transparent);
}

.local-repo-status {
  color: var(--text-dim);
  font-size: 12px;
  align-self: center;
}

.hint {
  color: var(--text-dim);
  font-size: 12px;
}

#panel-close {
  position: static;
  flex-shrink: 0;
}

/* ---- Load status strip (top of panel — always above options) ---- */
.load-status {
  position: sticky;
  top: 0;
  z-index: 2;
  margin: 0 0 14px;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid color-mix(in srgb, var(--accent) 45%, var(--border));
  background: color-mix(in srgb, var(--accent) 16%, var(--panel));
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--accent) 18%, transparent) inset,
    0 8px 20px rgb(0 0 0 / 0.25);
}

.load-status[hidden] {
  display: none !important;
}

.load-status[data-state="loading"] {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
}

.load-status[data-state="error"] {
  border-color: #f2554f;
  background: rgba(242, 85, 79, 0.14);
  box-shadow: none;
}

.load-status-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.load-status-icon {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 2px;
  border-radius: 50%;
  border: 2px solid color-mix(in srgb, var(--accent) 40%, transparent);
  border-top-color: var(--accent);
}

.load-status[data-state="loading"] .load-status-icon {
  animation: load-spin 0.7s linear infinite;
}

.load-status[data-state="error"] .load-status-icon {
  animation: none;
  border: none;
  border-radius: 4px;
  background: #f2554f;
  position: relative;
}

.load-status[data-state="error"] .load-status-icon::before,
.load-status[data-state="error"] .load-status-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 10px;
  height: 2px;
  background: #fff;
  transform-origin: center;
}

.load-status[data-state="error"] .load-status-icon::before {
  transform: translate(-50%, -50%) rotate(45deg);
}

.load-status[data-state="error"] .load-status-icon::after {
  transform: translate(-50%, -50%) rotate(-45deg);
}

.load-status-copy {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

#load-status-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--text);
}

#load-progress {
  color: var(--text-dim);
  font-size: 12px;
  line-height: 1.4;
  word-break: break-word;
}

.load-status-hint {
  color: color-mix(in srgb, #f2554f 80%, var(--text));
  font-size: 12px;
  line-height: 1.4;
}

.load-status[data-state="error"] .load-status-hint {
  color: color-mix(in srgb, #ffb4b0 70%, var(--text));
}

.load-status-pct {
  flex-shrink: 0;
  font-size: 12px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  align-self: center;
}

.load-status-bar {
  margin-top: 10px;
  height: 6px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--text) 10%, transparent);
  overflow: hidden;
}

.load-status-bar[hidden] {
  display: none !important;
}

.load-status-fill {
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--accent) 70%, #fff),
    var(--accent)
  );
  transition: width 160ms ease-out;
}

.load-status-bar[data-mode="indeterminate"] .load-status-fill {
  width: 35% !important;
  animation: load-indeterminate 1.1s ease-in-out infinite;
}

@keyframes load-spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes load-indeterminate {
  0% {
    transform: translateX(-120%);
  }
  100% {
    transform: translateX(320%);
  }
}

/* Dim options while a load is in flight — status strip stays full opacity */
#load-panel.is-loading .load-options {
  opacity: 0.45;
  pointer-events: none;
  filter: grayscale(0.15);
  transition: opacity 160ms ease;
}

/* Legacy error node kept for tests; content lives in the status strip */
.load-error-sr,
#load-error.load-error-sr {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

#load-error[hidden] {
  display: none !important;
}

/* SPA shell: subtle state on body for load vs playing */
body.shell-load-open #scene {
  filter: brightness(0.55);
}

/* scanlines-system atmosphere backdrop (fine lines + signal bloom) */
#scanlines {
  position: fixed;
  inset: 0;
  z-index: 5;
  pointer-events: none;
  opacity: 0;
  transition: opacity 180ms ease;
  background:
    repeating-linear-gradient(
      0deg,
      rgb(var(--fx-muted-rgb, 244 244 240) / 0.05) 0 1px,
      transparent 1px 12px
    ),
    radial-gradient(
      circle at 78% 16%,
      rgb(var(--fx-signal-rgb, 216 255 53) / 0.11),
      transparent 36%
    );
}

#scanlines.is-on {
  opacity: 1;
}

html[data-scan-tone="light"] #scanlines {
  background:
    repeating-linear-gradient(
      0deg,
      rgb(var(--fx-muted-rgb, 17 19 13) / 0.04) 0 1px,
      transparent 1px 14px
    ),
    radial-gradient(
      circle at 78% 16%,
      rgb(var(--fx-signal-rgb, 64 85 0) / 0.06),
      transparent 40%
    );
}

/* CRT: denser phosphor bars */
html[data-theme="crt"] #scanlines.is-on {
  background:
    repeating-linear-gradient(
      0deg,
      rgb(0 0 0 / 0.28) 0 1px,
      transparent 1px 3px
    ),
    radial-gradient(
      circle at 50% 40%,
      rgb(var(--fx-signal-rgb, 108 255 138) / 0.08),
      transparent 50%
    );
  mix-blend-mode: multiply;
  opacity: 0.85;
}

#info-card {
  position: fixed;
  bottom: 72px;
  left: 12px;
  z-index: 15;
  width: min(340px, 80vw);
  background: rgba(20, 25, 36, 0.9);
  background: color-mix(in srgb, var(--panel) 90%, transparent);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 12px;
  backdrop-filter: blur(4px);
}

#info-card h3 {
  margin: 0 0 8px;
  font-size: 13px;
  word-break: break-all;
}

#info-rows div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 2px 0;
}

.info-key {
  color: var(--text-dim);
}

.settings-scrim {
  position: fixed;
  inset: 0;
  z-index: 24;
  background: rgba(0, 0, 0, 0.35);
  border: none;
  padding: 0;
  cursor: pointer;
}

#settings-panel {
  position: fixed;
  top: 12px;
  right: 12px;
  bottom: 72px;
  z-index: 25;
  width: min(360px, 92vw);
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  background: rgb(var(--fx-panel-rgb, 8 9 10) / 0.94);
  border: 1px solid var(--border);
  border-radius: 0;
  box-shadow:
    0 0 0 1px rgb(var(--fx-signal-rgb, 216 255 53) / 0.06),
    0 24px 64px rgb(0 0 0 / 0.55);
  backdrop-filter: blur(18px);
  outline: none;
  font-family: var(--font-mono);
}

/* `display: flex` above overrides the UA [hidden] rule — force hide when closed */
#settings-panel[hidden],
.settings-scrim[hidden] {
  display: none !important;
}

/* Day / light: solid cream panel, strong ink — high-contrast chrome */
html[data-scan-tone="light"] #settings-panel {
  background: var(--panel);
  color: var(--text);
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--text) 16%, transparent),
    0 18px 48px rgb(18 20 15 / 0.18);
}

html[data-scan-tone="light"] .settings-sub,
html[data-scan-tone="light"] .field-hint,
html[data-scan-tone="light"] .hint,
html[data-scan-tone="light"] .preview-blurb,
html[data-scan-tone="light"] .look-status,
html[data-scan-tone="light"] .shape-row-label,
html[data-scan-tone="light"] .tunable span,
html[data-scan-tone="light"] .field-label {
  color: color-mix(in srgb, var(--text) 82%, var(--panel)) !important;
  opacity: 1 !important;
}

html[data-scan-tone="light"] .preview-name,
html[data-scan-tone="light"] .settings-header h2,
html[data-scan-tone="light"] .section-title {
  color: var(--text) !important;
}

html[data-scan-tone="light"] .dropdown-trigger {
  background: color-mix(in srgb, white 55%, var(--panel)) !important;
  border-color: color-mix(in srgb, var(--text) 22%, transparent) !important;
  color: var(--text) !important;
}

html[data-scan-tone="light"] .dropdown-menu {
  background: #faf7ec;
  border-color: color-mix(in srgb, var(--text) 20%, transparent);
  box-shadow: 0 12px 32px rgb(18 20 15 / 0.2);
}

html[data-scan-tone="light"] .dropdown-item {
  color: var(--text);
  border-bottom-color: color-mix(in srgb, var(--text) 12%, transparent);
}

html[data-scan-tone="light"] #hud,
html[data-scan-tone="light"] #legend,
html[data-scan-tone="light"] #transport {
  background: color-mix(in srgb, var(--panel) 92%, white);
  border-color: var(--border);
  box-shadow: 0 8px 24px rgb(18 20 15 / 0.1);
}

html[data-scan-tone="light"] #hud-repo {
  color: var(--fx-signal, var(--accent));
}

#settings-panel:focus-visible {
  box-shadow: 0 0 0 2px var(--accent), 0 20px 60px rgba(0, 0, 0, 0.5);
}

.settings-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  padding: 14px 14px 12px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  position: sticky;
  top: 0;
  z-index: 2;
  background: color-mix(in srgb, var(--panel) 96%, transparent);
  backdrop-filter: blur(12px);
}

.settings-header-text {
  min-width: 0;
}

.settings-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.btn-dice {
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 55%, var(--border));
  color: var(--accent);
  border-radius: 8px;
  padding: 6px 12px;
  cursor: pointer;
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.btn-dice:hover {
  background: color-mix(in srgb, var(--accent) 24%, transparent);
}

.btn-dice.is-rolling {
  animation: dice-roll 0.45s ease-out;
}

.chaos-status {
  margin: 0;
  padding: 8px 14px;
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 35%, var(--border));
  background: color-mix(in srgb, var(--accent) 10%, var(--panel));
  color: var(--text);
  font-size: 12px;
  line-height: 1.4;
  flex-shrink: 0;
}

.chaos-status[hidden] {
  display: none !important;
}

/* Floating toast so transport-bar 🎲 feedback is visible without opening Customize */
#chaos-toast {
  position: fixed;
  top: 56px;
  left: 50%;
  transform: translateX(-50%) translateY(-12px);
  z-index: 80;
  max-width: min(520px, 92vw);
  padding: 10px 16px;
  border-radius: 10px;
  border: 1px solid color-mix(in srgb, var(--accent) 55%, var(--border));
  background: color-mix(in srgb, var(--panel) 92%, var(--accent));
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.35;
  box-shadow: 0 12px 40px rgb(0 0 0 / 0.45);
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms ease, transform 160ms ease;
}

#chaos-toast.is-on {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.settings-header h2 {
  margin: 0;
  font-size: 15px;
  letter-spacing: 0.02em;
}

.settings-sub {
  margin: 4px 0 0;
  font-size: 11px;
  color: var(--text-dim);
  line-height: 1.35;
}

.btn-icon {
  min-width: 40px !important;
  min-height: 40px !important;
  padding: 8px !important;
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
}

#settings-close {
  position: static;
  flex-shrink: 0;
}

#settings-panel > .settings-section {
  border-bottom: 1px solid color-mix(in srgb, var(--border) 80%, transparent);
  flex-shrink: 0;
  /* per-section accent via --sec (set below) */
  --sec: var(--accent);
  border-left: 3px solid transparent;
}

/* ── Category colors: scan the drawer by hue, not by reading every title ── */
.settings-section[data-section="universe"]   { --sec: #7dd3fc; }
.settings-section[data-section="style"]      { --sec: #f0abfc; }
.settings-section[data-section="lines"]      { --sec: #86efac; }
.settings-section[data-section="display"]    { --sec: #fde68a; }
.settings-section[data-section="visuals"]    { --sec: #fda4af; }
.settings-section[data-section="labels"]     { --sec: #c4b5fd; }
.settings-section[data-section="camera"]     { --sec: #67e8f9; }
.settings-section[data-section="atmosphere"] { --sec: #a5b4fc; }
.settings-section[data-section="impacts"]    { --sec: #fb923c; }
.settings-section[data-section="spectacle"]  { --sec: #f472b6; }
.settings-section[data-section="motion"]     { --sec: #34d399; }
.settings-section[data-section="audio"]      { --sec: #fbbf24; }
.settings-section[data-section="playback"]   { --sec: #94a3b8; }
.settings-section[data-section="filters"]    { --sec: #2dd4bf; }
.settings-section[data-section="config"]     { --sec: #a3e635; }
.settings-section[data-section="help"]       { --sec: #cbd5e1; }

.settings-section[open] {
  border-left-color: var(--sec);
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--sec) 10%, transparent) 0%,
    transparent 42%
  );
}

.settings-section > summary {
  list-style: none;
  cursor: pointer;
  user-select: none;
  padding: 11px 14px 11px 12px;
  min-height: 52px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-transform: none;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border-top: 1px solid color-mix(in srgb, var(--sec) 14%, transparent);
  background: color-mix(in srgb, var(--sec) 5%, transparent);
  transition: background 0.12s ease;
}

.settings-section > summary::-webkit-details-marker {
  display: none;
}

.settings-section > summary::after {
  content: "▸";
  font-size: 11px;
  color: color-mix(in srgb, var(--sec) 70%, var(--text-dim));
  transition: transform 0.15s ease;
  flex-shrink: 0;
}

.settings-section[open] > summary::after {
  transform: rotate(90deg);
}

.settings-section > summary:hover {
  color: var(--text);
  background: color-mix(in srgb, var(--sec) 12%, transparent);
}

.settings-section[open] > summary {
  background: color-mix(in srgb, var(--sec) 14%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--sec) 22%, transparent);
}

/* Summary row: icon + title + micro-tagline */
.section-sum {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  flex: 1;
}

.section-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 800;
  font-family: var(--font-mono);
  line-height: 1;
  color: color-mix(in srgb, var(--sec) 90%, white);
  background: color-mix(in srgb, var(--sec) 18%, transparent);
  border: 1px solid color-mix(in srgb, var(--sec) 40%, transparent);
  box-shadow: 0 0 12px color-mix(in srgb, var(--sec) 12%, transparent);
}

.section-copy {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}

.section-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text);
  line-height: 1.2;
}

.section-tag {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: lowercase;
  color: color-mix(in srgb, var(--sec) 55%, var(--text-dim));
  line-height: 1.25;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.section-body {
  padding: 10px 14px 16px 14px;
  border-left: 1px solid color-mix(in srgb, var(--sec) 16%, transparent);
  margin-left: 12px;
}

/* Universe knobs get a slightly stronger panel so shape vs paint is obvious */
.settings-section[data-section="universe"] .section-body {
  background: color-mix(in srgb, var(--sec) 6%, transparent);
  border-radius: 0 0 8px 0;
  margin-right: 8px;
  margin-bottom: 6px;
}

.settings-section[data-section="style"] .section-body {
  background: color-mix(in srgb, var(--sec) 5%, transparent);
  border-radius: 0 0 8px 0;
  margin-right: 8px;
  margin-bottom: 6px;
}

html[data-scan-tone="light"] .settings-section[open] {
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--sec) 14%, transparent) 0%,
    transparent 50%
  );
}

html[data-scan-tone="light"] .section-icon {
  background: color-mix(in srgb, var(--sec) 22%, white);
  color: color-mix(in srgb, var(--sec) 70%, #111);
}

html[data-scan-tone="light"] .section-tag {
  color: color-mix(in srgb, var(--sec) 45%, var(--text));
}

.field-block {
  margin-bottom: 12px;
}

.field-block:last-child {
  margin-bottom: 0;
}

.field-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
  letter-spacing: 0.01em;
}

/* Key knobs inherit the open section's accent for faster scanning */
.settings-section[open] .field-label,
.settings-section[open] .tunable > span:first-child {
  color: color-mix(in srgb, var(--sec) 35%, var(--text));
}

.field-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 4px;
}

.field-label-row .field-label {
  margin-bottom: 0;
}

.btn-quiet {
  border-color: transparent !important;
  color: var(--accent) !important;
  padding: 2px 6px !important;
  font-size: 11px !important;
}

.btn-quiet:hover {
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}

.btn-danger {
  width: 100%;
  border-color: color-mix(in srgb, #f2554f 45%, var(--border)) !important;
  color: #f2554f !important;
}

/* --- staccato-style dropdowns (theme / variant / line style) --- */
.grove-dropdown {
  position: relative;
  width: 100%;
}

.dropdown-trigger {
  display: flex !important;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  width: 100%;
  min-height: 44px !important;
  padding: 8px 12px !important;
  background: color-mix(in srgb, var(--panel) 70%, var(--bg)) !important;
  border: 1px solid var(--border) !important;
  border-radius: 8px !important;
  cursor: pointer;
  text-align: left;
  color: var(--text) !important;
}

.dropdown-trigger:hover {
  border-color: var(--accent) !important;
}

.dropdown-preview {
  flex: 1;
  min-width: 0;
  overflow: hidden;
}

.dropdown-arrow {
  font-size: 0.7rem;
  opacity: 0.5;
  transition: transform 0.15s ease;
  flex-shrink: 0;
}

.grove-dropdown.open .dropdown-arrow {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  z-index: 40;
  max-height: 280px;
  overflow-y: auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 12px 32px rgb(0 0 0 / 0.45);
}

.dropdown-menu[hidden] {
  display: none !important;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 10px 12px;
  cursor: pointer;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
  color: var(--text);
}

.dropdown-item:last-child {
  border-bottom: none;
}

.dropdown-item:hover {
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}

.dropdown-item.selected {
  background: color-mix(in srgb, var(--accent) 14%, transparent);
}

.dropdown-item.selected::after {
  content: "✓";
  margin-left: auto;
  color: var(--accent);
  font-size: 0.85rem;
}

.dropdown-item.disabled {
  cursor: default;
  opacity: 0.55;
  color: var(--text-dim);
}

.theme-preview,
.look-preview,
.line-preview {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  width: 100%;
}

.look-preview {
  flex-direction: column;
  align-items: flex-start;
  gap: 3px;
}

.preview-dots {
  display: flex;
  gap: 3px;
  flex-shrink: 0;
}

.preview-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  box-shadow: inset 0 0 0 1px rgb(0 0 0 / 0.25);
}

.preview-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}

.preview-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.preview-blurb {
  font-size: 11px;
  color: var(--text-dim);
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.look-axis-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 2px;
}

.axis-chip {
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-dim);
  text-transform: lowercase;
}

.line-swatch {
  width: 36px;
  height: 14px;
  flex-shrink: 0;
  border-radius: 3px;
  background: transparent;
  position: relative;
  border: none;
}

.line-swatch::before {
  content: "";
  position: absolute;
  left: 2px;
  right: 2px;
  top: 50%;
  height: 2px;
  transform: translateY(-50%);
  background: var(--accent);
  border-radius: 1px;
}

.line-swatch.style-solid::before {
  height: 2px;
  opacity: 0.9;
}

.line-swatch.style-energy::before {
  height: 3px;
  box-shadow: 0 0 6px var(--accent);
}

.line-swatch.style-dashed::before {
  background: repeating-linear-gradient(
    90deg,
    var(--accent) 0 5px,
    transparent 5px 9px
  );
  height: 2px;
}

.line-swatch.style-dual::before {
  height: 1px;
  box-shadow: 0 -3px 0 var(--accent), 0 3px 0 var(--accent);
  background: transparent;
}

.line-swatch.style-lightning::before {
  height: 2px;
  background: linear-gradient(
    90deg,
    var(--accent) 0 20%,
    transparent 20% 28%,
    var(--accent) 28% 55%,
    transparent 55% 62%,
    var(--accent) 62% 100%
  );
  transform: translateY(-50%) skewX(-18deg);
}

.line-swatch.style-fiber::before {
  height: 1px;
  box-shadow:
    0 -3px 0 color-mix(in srgb, var(--accent) 70%, transparent),
    0 0 0 var(--accent),
    0 3px 0 color-mix(in srgb, var(--accent) 70%, transparent);
  background: transparent;
}

.look-status {
  margin: 8px 0 0;
  font-size: 11px;
  color: var(--text-dim);
  min-height: 1.2em;
  line-height: 1.35;
}

.audio-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 6px;
}

.audio-row input[type="file"] {
  flex: 1 1 100%;
  font-size: 11px;
  color: var(--text-dim);
}

.audio-fx-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 8px 0 12px;
  max-height: 280px;
  overflow-y: auto;
}

.audio-fx-row {
  display: grid;
  grid-template-columns: 18px 1fr 1fr 52px;
  gap: 6px;
  align-items: center;
  font-size: 11px;
}

.audio-fx-row select {
  width: 100%;
  background: var(--input-bg, #0d1119);
  color: var(--input-text, var(--text));
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px 6px;
  font: inherit;
  font-size: 11px;
}

.audio-fx-row input[type="range"] {
  width: 100%;
}

.audio-fx-row input[type="checkbox"] {
  accent-color: var(--accent);
}

#settings-panel button {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 5px 10px;
  cursor: pointer;
  font: inherit;
  font-size: 12px;
}

#settings-panel button:hover {
  border-color: var(--accent);
}

.preset-row {
  display: flex;
  gap: 6px;
}

.preset-row select {
  flex: 1;
  background: var(--input-bg, #0d1119);
  color: var(--input-text, #dfe6f5);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 7px 8px;
  font: inherit;
  font-size: 12px;
}

/* --- theme cards: large swatches so palettes read at a glance --- */
#theme-picker {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.theme-card {
  display: grid;
  grid-template-columns: 88px 1fr;
  grid-template-rows: auto auto;
  column-gap: 10px;
  row-gap: 2px;
  align-items: center;
  padding: 8px !important;
  min-height: 56px !important;
  border-radius: 10px !important;
  text-align: left;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.theme-card:hover {
  background: color-mix(in srgb, var(--accent) 6%, transparent);
}

.theme-card.is-active,
.theme-card[aria-checked="true"] {
  border-color: var(--accent) !important;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 55%, transparent),
    0 0 14px color-mix(in srgb, var(--accent) 25%, transparent);
}

.theme-swatch {
  position: relative;
  display: block;
  grid-row: 1 / span 2;
  width: 88px;
  height: 48px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
  flex-shrink: 0;
}

.theme-swatch-stripe {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 6px;
}

.theme-swatch-dots {
  position: absolute;
  left: 8px;
  right: 8px;
  top: 50%;
  transform: translateY(-60%);
  display: flex;
  justify-content: space-between;
  gap: 3px;
}

.theme-swatch-dots span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  flex-shrink: 0;
}

.theme-card-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  padding: 0;
  line-height: 1.2;
}

.theme-card-blurb {
  font-size: 11px;
  color: var(--text-dim);
  line-height: 1.3;
  grid-column: 2;
}

.accent-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-dim);
}

.accent-row input[type="color"] {
  width: 40px;
  height: 28px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: transparent;
  cursor: pointer;
}

.accent-swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 10px;
}

.accent-swatch {
  width: 22px !important;
  height: 22px !important;
  min-width: 22px !important;
  min-height: 22px !important;
  padding: 0 !important;
  border-radius: 4px !important;
  border: 2px solid transparent !important;
  box-shadow: inset 0 0 0 1px rgb(0 0 0 / 0.25);
  cursor: pointer;
}

.accent-swatch.is-active {
  border-color: var(--text) !important;
  box-shadow: 0 0 0 1px var(--accent), inset 0 0 0 1px rgb(0 0 0 / 0.2);
}

.shape-pickers {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.shape-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.shape-row-label {
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.02em;
}

.shape-options {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.shape-option {
  width: 34px !important;
  height: 34px !important;
  min-width: 34px !important;
  min-height: 34px !important;
  padding: 0 !important;
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border) !important;
  border-radius: 6px !important;
  background: color-mix(in srgb, var(--panel) 70%, var(--bg)) !important;
  color: var(--text) !important;
  cursor: pointer;
}

.shape-option.is-active {
  border-color: var(--accent) !important;
  color: var(--accent) !important;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 40%, transparent);
}

.shape-icon {
  width: 16px;
  height: 16px;
  display: block;
}

.help-list {
  margin: 0;
  padding: 0 0 0 1.1em;
  font-size: 12px;
  color: var(--text-dim);
  line-height: 1.55;
}

.help-list li {
  margin-bottom: 6px;
}

.help-list kbd {
  display: inline-block;
  padding: 1px 5px;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: color-mix(in srgb, var(--panel) 80%, var(--bg));
  color: var(--text);
  font: 600 11px/1.3 var(--font-mono);
}

.tunable-wrap {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 8px;
}

.tunable-wrap .tunable {
  margin-bottom: 0;
}

.tunable-hint {
  margin: 0 0 2px !important;
  padding-left: 0;
  font-size: 10px !important;
  line-height: 1.35;
  opacity: 0.85;
}

.tunable {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 10px;
  align-items: center;
  font-size: 12px;
  margin-bottom: 12px;
  min-height: 40px;
}

.tunable:last-child {
  margin-bottom: 0;
}

.tunable span {
  color: var(--text-dim);
}

.tunable input[type="range"] {
  grid-column: 1;
  width: 100%;
  min-height: 28px;
  cursor: pointer;
}

.tunable output {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  min-width: 44px;
  text-align: right;
  font-variant-numeric: tabular-nums;
  color: var(--text);
}

.settings-footer {
  padding: 12px 14px 14px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
  margin-top: auto;
}

#settings-reset {
  width: 100%;
  padding: 8px 10px !important;
}

.shortcuts {
  margin: 0;
  line-height: 1.55;
}

.field-hint {
  margin: 0 0 10px;
  font-size: 11px;
  line-height: 1.4;
}

.flag-groups {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.flag-group-title {
  margin: 0 0 6px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-dim);
  letter-spacing: 0.02em;
}

.flag-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
}

.flag-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text);
  cursor: pointer;
  user-select: none;
  padding: 8px 6px;
  min-height: 40px;
  border-radius: 6px;
}

.flag-row:hover {
  background: color-mix(in srgb, var(--accent) 6%, transparent);
}

.flag-row input {
  accent-color: var(--accent);
  margin: 0;
  flex-shrink: 0;
  width: 16px;
  height: 16px;
}

.flag-row span {
  line-height: 1.3;
  color: var(--text);
}

.meta-input {
  width: 100%;
  background: var(--input-bg, #0d1119);
  color: var(--input-text, #dfe6f5);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 8px;
  font: inherit;
  font-size: 12px;
}

.config-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.config-actions button {
  flex: 1;
  min-width: 110px;
}

kbd {
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0 4px;
  font-size: 11px;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
summary:focus-visible,
.theme-card:focus-visible,
.look-chip:focus-visible,
.flag-row:has(input:focus-visible) {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* quieter hints so the primary controls dominate */
.field-hint {
  max-width: 42ch;
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

  .theme-card:hover {
    transform: none;
  }
}

@media (max-width: 640px) {
  #settings-panel {
    top: 0;
    right: 0;
    bottom: 0;
    width: min(100vw, 400px);
    border-radius: 0;
    max-height: 100dvh;
  }

  .settings-scrim {
    background: rgba(0, 0, 0, 0.5);
  }
}