@font-face {
  font-family: "Pixel Basel";
  src: url("./assets/fonts/pixelbasel/Pixelbasel.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --ink: #f4efe4;
  --muted: #c8bba6;
  --line: #3a2c1c;
  --panel: #2a2118;
  --cream: #f3e6c8;
  --paper: #fff4dc;
  --gold: #e6b34d;
  --leaf: #8fbf6a;
  --cyan: #7eced1;
  --amber: #e5b14d;
  --danger: #e07a72;
  --backdrop-color: #1c140f;
  --backdrop-deep: color-mix(in srgb, var(--backdrop-color), black 55%);
  --backdrop-accent: color-mix(in srgb, var(--backdrop-color), #8fbf6a 35%);
  --theme-border-color: #f0a35a;
  --ui-text-light: #edf3fb;
  --ui-text-muted: #b5c9d9;
  --ui-text-dark: #211913;
  --ui-heading: #f3e6c8;
  --ui-danger-text: #fff3f4;
  --ui-surface-fill: #201e26;
  --ui-control-fill: #201e26;
  --ui-inner-panel: #111820;
  --ui-inner-panel-strong: #28313a;
  --ui-inner-line: #405062;
  --ui-frame-shadow: inset 0 0 0 2px color-mix(in srgb, var(--theme-border-color), white 12%), inset 0 0 0 4px rgba(0, 0, 0, 0.35);
  --shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
  --ui-bar-border: url("./assets/ui/theme-dark/01/bar.png");
  --ui-button-active-border: url("./assets/ui/theme-dark/01/button-active.png");
  --ui-button-danger-border: url("./assets/ui/theme-dark/01/button-danger.png");
  --ui-button-border: url("./assets/ui/theme-dark/01/button.png");
  --ui-card-border: url("./assets/ui/theme-dark/01/card.png");
  --ui-dark-panel-border: url("./assets/ui/theme-dark/01/dark-panel.png");
  --ui-debug-panel-border: url("./assets/ui/theme-dark/01/debug-panel.png");
  --ui-game-frame-border: url("./assets/ui/theme-dark/01/game-frame.png");
  --ui-label-compact-border: url("./assets/ui/theme-dark/01/label-compact.png");
  --ui-label-border: url("./assets/ui/theme-dark/01/label.png");
  --ui-rail-panel-border: url("./assets/ui/theme-dark/01/rail-panel.png");
  --ui-sheet-border: url("./assets/ui/theme-dark/01/sheet.png");
  --ui-small-card-border: url("./assets/ui/theme-dark/01/small-card.png");
  --ui-speech-dark-border: url("./assets/ui/theme-dark/01/speech-dark.png");
  --ui-speech-light-border: url("./assets/ui/theme-dark/01/speech-light.png");
  --ui-title-panel-border: url("./assets/ui/theme-dark/01/title-panel.png");
  font-family: "Pixel Basel", "Trebuchet MS", "Verdana", sans-serif;
}

:root[data-gui-mode="light"] {
  color-scheme: light;
  --ink: #24190f;
  --muted: #6a5944;
  --ui-text-light: #24190f;
  --ui-text-muted: #6a5944;
  --ui-text-dark: #24190f;
  --ui-heading: #3a2816;
  --ui-danger-text: #9f2637;
  --ui-surface-fill: #f6e8ca;
  --ui-control-fill: #f2deba;
  --ui-inner-panel: #efe1c4;
  --ui-inner-panel-strong: #ead6b1;
  --ui-inner-line: #8c7658;
  --ui-frame-shadow: inset 0 0 0 2px var(--theme-border-color), inset 0 0 0 4px rgba(64, 38, 16, 0.16);
}

:root[data-gui-mode="dark"] {
  color-scheme: dark;
  --ink: #f4efe4;
  --muted: #c8bba6;
  --ui-text-light: #edf3fb;
  --ui-text-muted: #b5c9d9;
  --ui-text-dark: #211913;
  --ui-heading: #f3e6c8;
  --ui-danger-text: #fff3f4;
  --ui-surface-fill: #201e26;
  --ui-control-fill: #201e26;
  --ui-inner-panel: #111820;
  --ui-inner-panel-strong: #28313a;
  --ui-inner-line: #405062;
  --ui-frame-shadow: inset 0 0 0 2px color-mix(in srgb, var(--theme-border-color), white 12%), inset 0 0 0 4px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; overflow: hidden; }
body {
  min-height: 100dvh;
  position: relative;
  background: var(--backdrop-color);
  color: var(--ink);
  isolation: isolate;
}
body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -2;
}
body::before {
  background:
    linear-gradient(135deg, transparent 0 38%, color-mix(in srgb, var(--backdrop-accent), transparent 70%) 38% 40%, transparent 40% 100%),
    linear-gradient(45deg, transparent 0 58%, rgba(255, 255, 255, 0.045) 58% 60%, transparent 60% 100%),
    linear-gradient(135deg, color-mix(in srgb, var(--backdrop-color), white 5%), var(--backdrop-color) 48%, var(--backdrop-deep));
  background-size: 148px 148px, 188px 188px, 100% 100%;
}
body::after {
  z-index: -1;
  opacity: 0.24;
  background: linear-gradient(0deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 100% 5px;
  mix-blend-mode: screen;
}
img { image-rendering: pixelated; }
button, input { font: inherit; color: inherit; }
button:focus-visible, input:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.fullscreen, .modal {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 24px;
  background: color-mix(in srgb, var(--backdrop-deep), rgba(0, 0, 0, 0.78) 60%);
  text-align: center;
}
.fullscreen[hidden], .modal[hidden], [hidden] { display: none !important; }
.portrait { width: min(180px, 40vw); height: auto; }
.hero-fly { width: min(220px, 42vw); filter: drop-shadow(0 16px 0 rgba(0, 0, 0, 0.2)); }
.portrait.small { width: 96px; }
.eyebrow { letter-spacing: 0.14em; text-transform: uppercase; color: var(--gold); }
.title-card {
  width: min(560px, calc(100vw - 28px));
  display: grid;
  justify-items: center;
  gap: 8px;
  padding: 14px 18px 18px;
  border: 26px solid transparent;
  border-image: var(--ui-title-panel-border) 16 fill / 26px stretch;
  background: var(--ui-surface-fill);
  color: var(--ui-text-light);
  box-shadow: var(--ui-frame-shadow);
}
.title-card h1 {
  margin: 0;
  font-size: clamp(34px, 7vw, 64px);
  line-height: 0.95;
}
.title-card p { margin: 0; }
.title-card .eyebrow { color: var(--theme-border-color); }
.title-menu {
  width: min(360px, 100%);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 4px;
}
.title-menu #startAccountButton { grid-column: 1 / -1; }
.account-modal { z-index: 60; }
.account-sheet { width: min(480px, 100%); text-align: left; }
.account-sheet header { align-items: flex-start; gap: 12px; }
.account-sheet header h2 { font-size: 26px; margin: 0 0 8px; }
.account-sheet header p { color: var(--ui-text-muted); margin: 0; line-height: 1.4; }
.account-form, .account-details { display: grid; gap: 16px; margin-top: 20px; }
.account-form label { display: grid; gap: 8px; font-size: 18px; }
.account-form input {
  min-width: 0; width: 100%; min-height: 44px; padding: 10px 12px;
  border: 2px solid var(--ui-inner-line); border-radius: 2px;
  background: var(--ui-inner-panel); color: var(--ui-text-light); font-size: 18px;
}
.account-details p { margin: 0; overflow-wrap: anywhere; line-height: 1.5; }
.account-message { min-height: 24px; color: var(--ui-text-muted); line-height: 1.5; overflow-wrap: anywhere; }
.account-sheet .text-button { border: 0; background: none; box-shadow: none; text-decoration: underline; color: var(--ui-text-muted); }
.account-sheet [aria-pressed="true"] { border-image-source: var(--ui-button-active-border); }
.account-sheet button:disabled { opacity: 0.6; cursor: wait; }
#accountSyncStatus[data-state="offline"], #accountSyncStatus[data-state="conflict"] { color: var(--danger); }

.pixel-button, #adoptForm button, .sheet button {
  min-height: 36px;
  padding: 5px 12px;
  border: 10px solid transparent;
  border-image: var(--ui-button-border) 16 fill / 10px stretch;
  background: var(--ui-control-fill);
  color: var(--ui-text-light);
  box-shadow: var(--ui-frame-shadow);
  cursor: pointer;
  font-size: 18px;
}
.pixel-button:hover { filter: brightness(1.05); }
.pixel-button:active { transform: translateY(1px); }
.pixel-button.danger, #resetSave {
  border-image-source: var(--ui-button-danger-border);
  color: var(--ui-danger-text);
}
body.reduced-motion * { transition: none !important; animation: none !important; }

.app-shell {
  width: 100vw;
  height: 100dvh;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 8px;
  overflow: hidden;
  padding: 8px 10px 10px;
}
.topbar {
  width: min(1240px, 100%);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  justify-self: center;
  padding: 0;
}
.brand-block { display: flex; gap: 8px; align-items: center; min-width: 220px; }
.brand-block h1, .sheet h2 { margin: 0; font-size: 18px; letter-spacing: 0.04em; }
.brand-block p, .sheet p { margin: 2px 0 0; font-size: 12px; }
.brand-block p { color: var(--ui-text-muted); }
.sheet p { color: var(--ui-text-muted); }
.brand-block img { width: 36px; height: 36px; object-fit: contain; }
.coin-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 40px;
  padding: 4px 10px;
  border: 12px solid transparent;
  border-image: var(--ui-label-compact-border) 16 fill / 12px stretch;
  background: var(--ui-surface-fill);
  color: var(--ui-text-light);
  cursor: pointer;
  font-size: 18px;
  box-shadow: var(--ui-frame-shadow);
}
.coin-pill img { width: 22px; height: 22px; object-fit: contain; }
.nav-row { display: flex; flex-wrap: wrap; gap: 6px; margin-left: auto; }

.game-stage {
  min-height: 0;
  width: min(1240px, 100%);
  height: 100%;
  justify-self: center;
  align-self: center;
  display: grid;
  grid-template-columns: 62px minmax(420px, 1fr) minmax(260px, 330px);
  gap: 10px;
  align-items: stretch;
  overflow: hidden;
}
.side-ui {
  min-height: 0;
  display: grid;
  align-content: start;
  gap: 8px;
}
.side-ui-left {
  padding-top: 28px;
}
.side-ui-right {
  position: relative;
  grid-template-rows: auto auto minmax(0, auto) minmax(0, 1fr);
  overflow: hidden;
}
.play-surface {
  position: relative;
  min-width: 0;
  min-height: 0;
  height: min(640px, 100%);
  align-self: start;
  border: 26px solid transparent;
  border-image: var(--ui-game-frame-border) 16 fill / 26px stretch;
  background: var(--ui-surface-fill);
  overflow: hidden;
  box-shadow: var(--ui-frame-shadow), 0 18px 0 rgba(0, 0, 0, 0.24);
}
#gameCanvas { width: 100%; height: 100%; display: block; background: #1c140f; }
.tool-dock {
  display: grid;
  gap: 8px;
  justify-items: center;
}
.tool {
  width: 50px;
  height: 50px;
  border: 10px solid transparent;
  border-image: var(--ui-button-border) 16 fill / 10px stretch;
  background: var(--ui-control-fill);
  color: var(--ui-text-light);
  cursor: pointer;
  box-shadow: var(--ui-frame-shadow);
}
.tool.active { border-image-source: var(--ui-button-active-border); }
.lower-hud {
  display: grid;
  gap: 8px;
  min-width: 0;
}
.signal-readout, .stat-row, .action-row, .why-line, .banner {
  background: var(--ui-surface-fill);
  border: 14px solid transparent;
  border-image: var(--ui-speech-dark-border) 16 fill / 14px stretch;
  color: var(--ui-text-light);
  padding: 6px 8px;
  box-shadow: var(--ui-frame-shadow);
}
#behaviorLabel { font-weight: 700; }
.stat-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.stat-row label { display: grid; gap: 4px; font-size: 11px; color: var(--ui-text-muted); }
meter { width: 100%; height: 12px; }
meter.warn { filter: saturate(1.4); }
.action-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; }
.why-line {
  display: flex;
  gap: 14px;
}
.why-line { max-width: 100%; font-size: 13px; }
#tutorial {
  top: 88px;
  bottom: auto;
  pointer-events: none;
}

.panel, .sheet {
  background: var(--ui-surface-fill);
  color: var(--ui-text-light);
  border: 22px solid transparent;
  border-image: var(--ui-sheet-border) 16 fill / 22px stretch;
  box-shadow: var(--ui-frame-shadow);
  padding: 10px;
  width: min(560px, 100%);
  max-height: min(80vh, 720px);
  overflow: auto;
  text-align: left;
}
.sheet {
  border-image-source: var(--ui-sheet-border);
  border-image-slice: 16 fill;
}
.panel {
  position: static;
  z-index: 4;
  width: 100%;
  max-height: 100%;
  border-image-source: var(--ui-dark-panel-border);
  border-image-slice: 16 fill;
  color: var(--ui-text-light);
}
.sheet header, .panel header { display: flex; justify-content: space-between; gap: 8px; align-items: center; }
.bg-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin: 8px 0 12px; }
.bg-grid button {
  padding: 0;
  border: 8px solid transparent;
  border-image: var(--ui-button-border) 16 fill / 8px stretch;
  background: var(--ui-control-fill);
  cursor: pointer;
  line-height: 0;
  box-shadow: var(--ui-frame-shadow);
}
.bg-grid button.selected { border-color: var(--gold, #e6b34d); }
.bg-grid img { width: 100%; height: auto; display: block; image-rendering: pixelated; image-rendering: crisp-edges; }
.pixel-preview {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(0deg, rgba(0, 0, 0, 0.18) 1px, transparent 1px),
    linear-gradient(135deg, #22322a 0 34%, #2b241b 34% 68%, #18261d 68%);
  background-size: 8px 8px, 8px 8px, 100% 100%;
}
.color-setting {
  grid-template-columns: 1fr auto;
  align-items: center;
}
.mode-toggle {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 4px 0 12px;
}
.mode-toggle .selected {
  border-image-source: var(--ui-button-active-border);
  background: color-mix(in srgb, var(--theme-border-color), var(--ui-control-fill) 68%);
  font-weight: 700;
}
.color-setting input {
  width: 52px;
  height: 36px;
  padding: 0;
  border: 8px solid transparent;
  border-image: var(--ui-label-border) 16 fill / 8px stretch;
  background: var(--ui-control-fill);
  box-shadow: var(--ui-frame-shadow);
}
.color-presets {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 2px 0 12px;
}
.color-presets .color-swatch {
  width: 36px;
  height: 36px;
  border: 8px solid transparent;
  border-image: var(--ui-button-border) 16 / 8px stretch;
  background:
    linear-gradient(135deg, var(--swatch) 0 50%, var(--swatch-dark) 50% 100%);
  cursor: pointer;
}
.color-presets .color-swatch.selected { outline: 2px solid var(--theme-border-color); outline-offset: 1px; }
.tabs, .chip-row, .card-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.card-grid { margin-top: 10px; }
.card {
  width: 140px;
  padding: 6px;
  background: var(--ui-surface-fill);
  border: 14px solid transparent;
  border-image: var(--ui-card-border) 16 fill / 14px stretch;
  display: grid;
  gap: 4px;
  justify-items: center;
  text-align: center;
  box-shadow: var(--ui-frame-shadow);
}
.card img { width: 64px; height: 64px; object-fit: contain; }
.card small { color: var(--ui-text-muted); }
.mission {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 8px;
  padding: 8px 0;
  border-bottom: 2px solid #e4d3b0;
}
.mission.done { opacity: 0.7; }
.banner {
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  z-index: 30;
  width: min(520px, calc(100% - 24px));
}
.toast { bottom: auto; top: 72px; }
label { display: grid; gap: 4px; margin: 8px 0; }
#adoptForm { display: grid; gap: 10px; justify-items: center; }
#nameInput {
  min-height: 44px;
  padding: 8px 12px;
  border: 12px solid transparent;
  border-image: var(--ui-speech-light-border) 16 fill / 12px stretch;
  background: var(--ui-control-fill);
  color: var(--ui-text-light);
  font-size: 18px;
  box-shadow: var(--ui-frame-shadow);
}

.brand-block {
  border: 14px solid transparent;
  border-image: var(--ui-label-border) 16 fill / 14px stretch;
  color: var(--ui-text-light);
  background: var(--ui-surface-fill);
  box-shadow: var(--ui-frame-shadow);
  padding: 4px 10px;
}

.brand-block p {
  color: var(--ui-text-muted);
}

.lower-hud .action-row {
  border-image-source: var(--ui-bar-border);
  border-image-slice: 16 fill;
}

.banner,
.why-line {
  border-image-source: var(--ui-speech-dark-border);
  border-image-slice: 16 fill;
}

.toast {
  border-image-source: var(--ui-label-border);
  border-image-slice: 16 fill;
}

.arcade-modal {
  z-index: 24;
  padding: 12px;
}

.arcade-sheet {
  width: min(1040px, calc(100vw - 22px));
  max-height: min(92dvh, 820px);
  display: grid;
  gap: 10px;
  overflow: auto;
  text-align: left;
}

.arcade-header {
  min-height: 58px;
  padding-bottom: 8px;
  border-bottom: 2px solid rgba(255, 255, 255, 0.08);
}

.arcade-header h2 {
  font-size: 28px;
}

.arcade-header p {
  line-height: 1.35;
}

.arcade-menu {
  display: grid;
  gap: 10px;
}

.arcade-summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding: 8px 10px;
  border: 14px solid transparent;
  border-image: var(--ui-label-border) 16 fill / 14px stretch;
  background: var(--ui-surface-fill);
  color: var(--ui-text-light);
  box-shadow: var(--ui-frame-shadow);
}

.arcade-summary strong {
  color: var(--ui-heading);
  font-size: 18px;
}

.arcade-summary span {
  color: var(--ui-text-muted);
  font-size: 13px;
}

.arcade-card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.arcade-card {
  min-width: 0;
  display: grid;
  align-content: start;
  gap: 6px;
  padding: 10px;
  border: 16px solid transparent;
  border-image: var(--ui-card-border) 16 fill / 16px stretch;
  background: var(--ui-surface-fill);
  color: var(--ui-text-light);
  box-shadow: var(--ui-frame-shadow);
}

.arcade-card h3 {
  margin: 0;
  color: var(--ui-heading);
  font-size: 18px;
}

.arcade-card p,
.arcade-card small {
  margin: 0;
  color: var(--ui-text-muted);
  line-height: 1.35;
}

.arcade-icon {
  display: grid;
  place-items: center;
  width: 100%;
  aspect-ratio: 16 / 7;
  border: 12px solid transparent;
  border-image: var(--ui-small-card-border) 16 fill / 12px stretch;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(0deg, rgba(0, 0, 0, 0.22) 1px, transparent 1px),
    var(--ui-inner-panel);
  background-size: 8px 8px, 8px 8px, 100% 100%;
  color: var(--theme-border-color);
  font-size: 15px;
  letter-spacing: 0.08em;
}

.arcade-game {
  display: grid;
  gap: 8px;
  justify-items: center;
}

.arcade-topline,
.arcade-actions {
  width: min(760px, 100%);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 7px 9px;
  border: 14px solid transparent;
  border-image: var(--ui-bar-border) 16 fill / 14px stretch;
  background: var(--ui-surface-fill);
  color: var(--ui-text-light);
  box-shadow: var(--ui-frame-shadow);
}

.arcade-topline strong {
  margin-right: auto;
  color: var(--ui-heading);
}

.arcade-topline span {
  display: inline-flex;
  gap: 5px;
  color: var(--ui-text-muted);
}

.arcade-topline b {
  color: var(--ui-text-light);
}

.arcade-canvas-wrap {
  position: relative;
  width: min(760px, 100%);
  aspect-ratio: 320 / 205;
  border: 24px solid transparent;
  border-image: var(--ui-game-frame-border) 16 fill / 24px stretch;
  background: var(--ui-surface-fill);
  box-shadow: var(--ui-frame-shadow), 0 14px 0 rgba(0, 0, 0, 0.22);
  overflow: hidden;
}

#arcadeCanvas {
  width: 100%;
  height: 100%;
  display: block;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  background: #111820;
  touch-action: none;
}

.arcade-overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 10px;
  background: rgba(0, 0, 0, 0.38);
  color: var(--ui-text-light);
}

.arcade-overlay-card {
  width: min(360px, 92%);
  display: grid;
  justify-items: center;
  gap: 8px;
  padding: 12px;
  text-align: center;
  border: 16px solid transparent;
  border-image: var(--ui-sheet-border) 16 fill / 16px stretch;
  background: var(--ui-surface-fill);
  box-shadow: var(--ui-frame-shadow);
}

.arcade-overlay-card h2,
.arcade-overlay-card p {
  margin: 0;
}

.arcade-overlay-card h2 {
  color: var(--ui-heading);
  font-size: 22px;
}

.arcade-overlay-card p,
.arcade-overlay-card dt {
  color: var(--ui-text-muted);
}

.arcade-overlay-card dl {
  width: min(250px, 100%);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 12px;
  margin: 0;
  text-align: left;
}

.arcade-overlay-card dd {
  margin: 0;
  color: var(--ui-text-light);
  text-align: right;
}

.arcade-overlay-actions,
.arcade-actions {
  justify-content: center;
}

.arcade-countdown {
  display: grid;
  place-items: center;
  min-width: 88px;
  min-height: 72px;
  border: 18px solid transparent;
  border-image: var(--ui-title-panel-border) 16 fill / 18px stretch;
  background: var(--ui-surface-fill);
  color: var(--ui-heading);
  font-size: 42px;
  box-shadow: var(--ui-frame-shadow);
}

@media (max-width: 900px) {
  .arcade-card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .arcade-sheet {
    max-height: calc(100dvh - 16px);
  }
  .arcade-card-grid {
    grid-template-columns: 1fr;
  }
  .arcade-header {
    align-items: start;
  }
  .arcade-canvas-wrap {
    border-width: 16px;
    border-image-width: 16px;
  }
  .arcade-actions .pixel-button {
    flex: 1 1 120px;
  }
}

.advanced-modal {
  z-index: 24;
  align-items: center;
}

.advanced-sheet {
  width: min(1120px, calc(100vw - 28px));
  max-height: min(88dvh, 790px);
  display: grid;
  gap: 10px;
  padding: 12px 14px 14px;
  overflow: auto;
}

.advanced-header {
  min-height: 58px;
  padding: 4px 2px 8px;
  border-bottom: 2px solid rgba(62, 44, 24, 0.22);
}

.advanced-header > div {
  min-width: 0;
}

.advanced-header h2 {
  font-size: 22px;
}

.advanced-header p {
  max-width: 720px;
  color: var(--ui-text-muted);
  line-height: 1.4;
}

.advanced-layout {
  display: grid;
  grid-template-areas:
    "decision groups activity"
    "signals groups activity";
  grid-template-columns: minmax(260px, 1.35fr) minmax(230px, 0.92fr) minmax(270px, 0.98fr);
  gap: 10px;
  align-items: start;
}

.advanced-card {
  min-width: 0;
  min-height: 0;
  padding: 8px 10px;
  border: 16px solid transparent;
  border-image: var(--ui-sheet-border) 16 fill / 16px stretch;
  color: var(--ui-text-light);
  background: var(--ui-surface-fill);
  box-shadow: var(--ui-frame-shadow);
}

.advanced-card h3,
.debug-overlay h3 {
  margin: 0 0 7px;
  color: var(--ui-heading);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.advanced-card p,
.advanced-card li {
  color: var(--ui-text-muted);
  line-height: 1.45;
}

.advanced-card p {
  margin: 0;
}

.advanced-card ul {
  margin: 8px 0 0;
  padding-left: 16px;
}

.decision-card,
.signals-card {
  min-height: 132px;
  max-height: 150px;
  overflow: auto;
}

.decision-card {
  grid-area: decision;
}

.signals-card {
  grid-area: signals;
}

.activity-card {
  grid-area: activity;
  max-height: 300px;
  overflow: hidden;
}

.advanced-card[aria-labelledby="groupTitle"] {
  grid-area: groups;
  max-height: 300px;
  overflow: auto;
}

.activity-list,
.thought-log {
  display: grid;
  gap: 6px;
}

.activity-list {
  max-height: 238px;
  overflow: auto;
  padding-right: 2px;
}

.activity-row {
  display: grid;
  grid-template-columns: minmax(78px, 0.8fr) minmax(92px, 1fr) 44px;
  align-items: center;
  gap: 7px;
  min-width: 0;
  font-size: 11px;
}

.activity-row span {
  overflow: hidden;
  color: var(--ui-text-muted);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.activity-row output {
  color: var(--ui-text-light);
  text-align: right;
}

.activity-bar {
  height: 9px;
  padding: 1px;
  background: var(--ui-inner-panel);
  border: 1px solid var(--ui-inner-line);
}

.activity-bar i {
  display: block;
  width: calc(var(--level) * 100%);
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--leaf));
}

.thought-log {
  min-height: 82px;
}

.thought-log p {
  margin: 0;
  padding: 6px 8px;
  border-left: 3px solid var(--cyan);
  background: var(--ui-inner-panel-strong);
  color: var(--ui-text-light);
}

#advancedDebugMount {
  min-height: 0;
}

@media (max-width: 800px) {
  .game-stage { grid-template-columns: 56px minmax(0, 1fr) minmax(190px, 240px); gap: 6px; }
  .tool { width: 44px; height: 44px; }
  .why-line { display: none; }
  .nav-row .pixel-button { min-height: 44px; }
  .play-surface { border-width: 18px; border-image-width: 18px; }
  .title-menu { grid-template-columns: 1fr; }
  .advanced-layout,
  .debug-grid {
    grid-template-areas: none;
    grid-template-columns: 1fr;
  }
  .decision-card,
  .signals-card,
  .activity-card,
  .advanced-card[aria-labelledby="groupTitle"],
  .debug-card-wide,
  .debug-events-card {
    grid-area: auto;
    grid-column: auto;
    grid-row: auto;
  }
}

/* ---- Science mode / debug overlay ---- */
.debug-overlay {
  position: static;
  width: 100%;
  max-height: 260px;
  overflow: auto;
  padding: 10px;
  border: 18px solid transparent;
  border-image: var(--ui-debug-panel-border) 16 fill / 18px stretch;
  background: var(--ui-surface-fill);
  color: var(--ui-text-light);
  box-shadow: var(--ui-frame-shadow);
  font-size: 11px;
  line-height: 1.35;
  z-index: 6;
}

.debug-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: start;
  margin-bottom: 8px;
}

.debug-title {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.debug-title strong {
  color: var(--ui-heading);
  font-size: 13px;
}

.debug-header span {
  color: var(--ui-text-muted);
  font-size: 10px;
  line-height: 1.45;
}

.debug-controls {
  display: flex;
  flex-wrap: wrap;
  justify-content: end;
  gap: 6px;
}

.debug-controls button, .debug-controls input {
  min-height: 28px;
  padding: 0 8px;
  border: 8px solid transparent;
  border-image: var(--ui-button-border) 16 fill / 8px stretch;
  background: var(--ui-control-fill);
  color: var(--ui-text-light);
  font: inherit;
  font-size: 12px;
  cursor: pointer;
  box-shadow: var(--ui-frame-shadow);
}

.debug-controls input { width: 90px; }

.debug-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.debug-card {
  min-width: 0;
  padding: 8px;
  border: 13px solid transparent;
  border-image: var(--ui-rail-panel-border) 16 fill / 13px stretch;
  background: var(--ui-surface-fill);
  box-shadow: var(--ui-frame-shadow);
}

.debug-card-wide,
.debug-events-card {
  grid-column: span 2;
}

#debugGraph {
  display: block;
  width: 100%;
  height: 78px;
  background: var(--ui-inner-panel);
  border: 1px solid var(--ui-inner-line);
}

.debug-overlay dl {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(78px, auto) 1fr;
  gap: 2px 8px;
}

.debug-overlay dt {
  color: var(--ui-text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.debug-overlay dd { margin: 0; color: var(--ui-text-light); }
.debug-bars { display: grid; gap: 4px; }
.debug-bar { display: grid; grid-template-columns: minmax(82px, 0.8fr) minmax(88px, 1fr) minmax(64px, auto); align-items: center; gap: 6px; }
.debug-bar span { color: var(--ui-text-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.debug-bar div { position: relative; height: 8px; background: var(--ui-inner-panel); border: 1px solid var(--ui-inner-line); }
.debug-bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--cyan), var(--leaf)); }
.debug-bar b { position: absolute; top: -3px; width: 2px; height: 12px; background: var(--amber); }
.debug-bar.current span { color: var(--ui-text-light); }
.debug-bar output { color: var(--ui-text-light); text-align: right; }
.debug-overlay ul { margin: 0; padding-left: 14px; color: var(--ui-text-muted); }
.group-list { display: grid; gap: 4px; margin: 8px 0; }
.group-list div { display: grid; grid-template-columns: minmax(76px, 0.9fr) minmax(88px, 1fr) 34px; gap: 6px; align-items: center; font-size: 11px; color: var(--ui-text-muted); }
.group-list i { display: block; height: 8px; background: var(--ui-inner-panel); border: 1px solid var(--ui-inner-line); }
.group-list i b { display: block; height: 100%; background: linear-gradient(90deg, var(--leaf), var(--gold)); }

@media (max-width: 800px) {
  .debug-grid {
    grid-template-columns: 1fr;
  }

  .debug-card-wide,
  .debug-events-card {
    grid-column: auto;
  }
}