:root {
  --ink: #1a2332;
  --ink-soft: #3a4658;
  --muted: #6a7585;
  --paper: #ebe7dc;
  --paper-2: #f6f3ea;
  --wall: #1a2332;
  --path: #f4f0e6;
  --lamp: #c47a12;
  --lamp-deep: #8f5608;
  --exit: #c44b38;
  --trail: #3d7a62;
  --fog: #5a6a7a;
  --line: rgba(26, 35, 50, 0.14);
  --line-strong: rgba(26, 35, 50, 0.28);
  --shadow: 0 12px 40px rgba(26, 35, 50, 0.08);
  --radius: 4px;
  --font-display: "Syne", "Arial Narrow", sans-serif;
  --font-body: "Atkinson Hyperlegible", "Segoe UI", sans-serif;
  --max: 1440px;
  --tap: 44px;
  --header-h: 58px;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(26, 35, 50, 0.03) 1px, transparent 1px) 0 0 / 28px 28px,
    linear-gradient(rgba(26, 35, 50, 0.03) 1px, transparent 1px) 0 0 / 28px 28px,
    var(--paper);
}

body:has(#play) { padding-bottom: 0.5rem; }

img, svg, canvas { max-width: 100%; }

a { color: var(--lamp-deep); text-underline-offset: 3px; }

.skip-link {
  position: absolute;
  left: 0.75rem;
  top: 0.75rem;
  z-index: 100;
  padding: 0.55rem 0.9rem;
  background: var(--ink);
  color: var(--paper-2);
  text-decoration: none;
  border-radius: 4px;
  transform: translateY(-160%);
  transition: transform 0.15s ease;
}
.skip-link:focus {
  transform: translateY(0);
  outline: 2px solid var(--lamp);
  outline-offset: 2px;
}

.copy-toast {
  position: fixed;
  left: 50%;
  bottom: max(1.25rem, env(safe-area-inset-bottom));
  transform: translateX(-50%) translateY(120%);
  z-index: 80;
  padding: 0.55rem 1rem;
  background: var(--ink);
  color: var(--paper-2);
  border-radius: 999px;
  font-size: 0.92rem;
  pointer-events: none;
  opacity: 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.copy-toast.is-on {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}
a:hover { color: var(--ink); }

button, input, select, summary { font: inherit; color: inherit; }
button { cursor: pointer; }

:focus-visible {
  outline: 2px solid var(--lamp);
  outline-offset: 2px;
}

.wrap {
  width: min(100% - 1.25rem, var(--max));
  margin-inline: auto;
}

/* —— header —— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(246, 243, 234, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-strong);
  padding-top: env(safe-area-inset-top);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  min-height: var(--header-h);
}

.logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  color: var(--ink);
  text-decoration: none;
  text-transform: uppercase;
}

.logo span { color: var(--lamp-deep); }

.nav {
  display: flex;
  align-items: center;
  gap: 0.15rem 1rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
}

.nav a:hover,
.nav a[aria-current="page"] { color: var(--ink); }

.nav-more { position: relative; }
.nav-more summary {
  list-style: none;
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--ink-soft);
  cursor: pointer;
}
.nav-more summary::-webkit-details-marker { display: none; }
.nav-more__panel {
  position: absolute;
  right: 0;
  top: calc(100% + 0.4rem);
  min-width: 11rem;
  padding: 0.45rem;
  background: var(--paper-2);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow);
  display: grid;
  gap: 0.15rem;
  z-index: 40;
}
.nav-more__panel a {
  padding: 0.45rem 0.55rem;
  text-decoration: none;
}
.nav-more__panel a:hover { background: rgba(196, 122, 18, 0.12); }

/* —— homepage gate —— */
.gate {
  padding: 1.25rem 0 2.5rem;
}

.gate-mast {
  display: grid;
  gap: 0.55rem;
  margin-bottom: 1.1rem;
  max-width: 38rem;
}

.gate-mast__brand {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.6rem, 8vw, 4.4rem);
  line-height: 0.92;
  letter-spacing: -0.045em;
  text-transform: uppercase;
  color: var(--ink);
}

.gate-mast__brand em {
  font-style: normal;
  color: var(--lamp-deep);
}

.gate-mast__line {
  margin: 0;
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 32rem;
}

.gate-mast__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.1rem;
  align-items: center;
  margin-top: 0.2rem;
}

.gate-mast__cta a {
  font-weight: 700;
  text-decoration: none;
  color: var(--ink);
  border-bottom: 2px solid var(--lamp);
  padding-bottom: 0.1rem;
}

.gate-mast__cta a.quiet {
  border-bottom-color: var(--line-strong);
  color: var(--ink-soft);
  font-weight: 400;
}

.gate-stage {
  display: grid;
  grid-template-columns: minmax(0, 9.5rem) minmax(0, 1fr);
  gap: 0.9rem 1rem;
  align-items: start;
  background: var(--paper-2);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow);
  padding: 0.85rem;
}

.gate-legend {
  display: grid;
  gap: 0.85rem;
  position: sticky;
  top: calc(var(--header-h) + 0.6rem);
}

.legend-block h2 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.door-list {
  display: grid;
  gap: 0.3rem;
}

.door,
.chip {
  appearance: none;
  display: block;
  width: 100%;
  text-align: left;
  min-height: var(--tap);
  padding: 0.45rem 0.55rem;
  border: 1px solid var(--line-strong);
  background: var(--path);
  color: var(--ink);
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  border-radius: var(--radius);
}

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

.door.is-active,
.chip.is-active {
  background: var(--ink);
  color: var(--paper-2);
  border-color: var(--ink);
}

.gate-main { display: grid; gap: 0.55rem; min-width: 0; }

.play-topbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.55rem;
  align-items: center;
}

.btn,
.btn-tool,
.btn-pause,
.btn-icon,
.zoom-bar__btn {
  appearance: none;
  min-height: var(--tap);
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--line-strong);
  background: var(--path);
  color: var(--ink);
  font-weight: 700;
  border-radius: var(--radius);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
}

.btn:hover,
.btn-tool:hover,
.btn-icon:hover { border-color: var(--ink); }

.btn-icon {
  width: var(--tap);
  padding: 0;
  flex: 0 0 auto;
}

.btn-icon svg {
  width: 1.35rem;
  height: 1.35rem;
  display: block;
}

.btn-icon .icon-off { display: none; }
.btn-icon[aria-pressed="false"] .icon-on { display: none; }
.btn-icon[aria-pressed="false"] .icon-off { display: block; }

.btn-primary,
a.btn-primary {
  background: var(--lamp);
  border-color: var(--lamp-deep);
  color: #1a1408;
}

.btn-primary:hover,
a.btn-primary:hover {
  background: #d28a1c;
  color: #1a1408;
}

.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--ink-soft);
}

.streak-pill {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--trail);
  border: 1px dashed var(--trail);
  padding: 0.35rem 0.55rem;
}

.timer-cluster {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.timer-pill {
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: 1.05rem;
  min-width: 4.5rem;
  text-align: right;
}

.btn-pause {
  min-width: var(--tap);
  padding-inline: 0.5rem;
}

.daily-banner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  justify-content: space-between;
  margin: 0;
  padding: 0.55rem 0.65rem;
  background: rgba(196, 122, 18, 0.12);
  border: 1px solid rgba(196, 122, 18, 0.35);
  font-size: 0.92rem;
}

.zoom-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
  font-size: 0.9rem;
  color: var(--muted);
}

.board-stage {
  display: flex;
  gap: 0.55rem;
  align-items: flex-start;
}

.board-wrap {
  position: relative;
  flex: 1 1 auto;
  min-width: 0;
  overflow: auto;
  max-height: min(72vh, 720px);
  background: transparent;
  border: 0;
  outline: 0;
  border-radius: 10px;
  box-shadow: 0 12px 36px rgba(26, 35, 50, 0.12);
  touch-action: none;
  -webkit-overflow-scrolling: touch;
}

#board {
  display: block;
  margin: 0 auto;
  background: transparent;
  border: 0;
  outline: 0;
  border-radius: 10px;
}

.minimap-rail {
  flex: 0 0 auto;
  position: sticky;
  top: 0.35rem;
  align-self: flex-start;
}

.minimap-rail[hidden] {
  display: none !important;
}

.minimap {
  display: block;
  width: 92px;
  height: auto;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: rgba(26, 35, 50, 0.92);
  box-shadow: 0 6px 18px rgba(26, 35, 50, 0.12);
  pointer-events: none;
}

.hud-line,
.status,
.stats-line {
  margin: 0;
  font-size: 0.92rem;
}

.status {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.stats-line { color: var(--muted); }

.play-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  position: sticky;
  bottom: 0;
  padding: 0.45rem 0;
  background: linear-gradient(transparent, var(--paper-2) 35%);
}

.lb-block {
  margin-top: 0.4rem;
  padding-top: 0.7rem;
  border-top: 1px solid var(--line);
}

.lb-block h2 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1rem;
}

.lb-row {
  display: grid;
  grid-template-columns: 1.5rem 1fr auto auto;
  gap: 0.4rem;
  padding: 0.25rem 0;
  font-variant-numeric: tabular-nums;
  font-size: 0.92rem;
}

.lb-empty { margin: 0.35rem 0 0; font-size: 0.9rem; color: var(--muted); }

.ad-slot {
  margin: 1rem 0;
  min-height: 90px;
  display: grid;
  place-items: center;
  border: 1px dashed var(--line-strong);
  background: rgba(26, 35, 50, 0.03);
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.ad-slot--article { margin: 1.4rem 0; }

.field-notes {
  margin-top: 2rem;
  display: grid;
  gap: 1.1rem;
  max-width: 42rem;
}

.field-notes h2 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}

.field-notes ol { margin: 0; padding-left: 1.2rem; }
.field-notes details { border-top: 1px solid var(--line); padding: 0.55rem 0; }
.field-notes summary { font-weight: 700; cursor: pointer; }
.page-meta { color: var(--muted); font-size: 0.88rem; }
.related-list { padding-left: 1.1rem; }

/* —— interior pages —— */
.crumb {
  margin: 1rem 0 0.75rem;
  font-size: 0.9rem;
  color: var(--muted);
}
.crumb a { color: var(--ink-soft); text-decoration: none; }
.crumb a:hover { color: var(--lamp-deep); }

.sheet-page {
  background: var(--paper-2);
  border: 1px solid var(--line-strong);
  padding: clamp(1rem, 3vw, 1.75rem);
  margin-bottom: 2.5rem;
  box-shadow: var(--shadow);
}

.sheet-page > h1 {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.sheet-page > h2 {
  margin: 1.4rem 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
}

.sheet-page > p { margin: 0 0 0.85rem; color: var(--ink-soft); }
.sheet-page > p:first-of-type { color: var(--ink); }

.route-map {
  display: grid;
  gap: 0.45rem;
  margin: 1rem 0;
}

.route-map a {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.35rem 0.85rem;
  align-items: baseline;
  padding: 0.7rem 0.75rem;
  border: 1px solid var(--line-strong);
  text-decoration: none;
  color: var(--ink);
  background: var(--path);
}

.route-map a:hover { border-color: var(--ink); }
.route-map strong {
  font-family: var(--font-display);
  font-size: 1.05rem;
}
.route-map span { color: var(--muted); font-size: 0.92rem; }

.room-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(5.5rem, 1fr));
  gap: 0.4rem;
  margin: 1rem 0;
}

.room-grid a {
  display: grid;
  place-items: center;
  min-height: 3.2rem;
  border: 1px solid var(--line-strong);
  text-decoration: none;
  color: var(--ink);
  font-weight: 700;
  background: var(--path);
}

.room-grid a:hover { background: var(--ink); color: var(--paper-2); }

.faq-item { border-top: 1px solid var(--line); padding: 0.5rem 0; }
.faq-item summary { font-weight: 700; cursor: pointer; }

/* —— generator / studio —— */
.studio-controls,
.gen-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 1rem;
  align-items: end;
  margin: 0.8rem 0 1rem;
}

.studio-controls label,
.gen-form label {
  display: grid;
  gap: 0.25rem;
  font-size: 0.9rem;
  font-weight: 700;
}

.studio-controls select,
.studio-controls input,
.gen-form select,
.gen-form input[type="number"],
.gen-form input:not([type="range"]):not([type="checkbox"]) {
  min-height: var(--tap);
  border-radius: var(--radius);
  border: 1px solid var(--line-strong);
  background: #fff;
  color: var(--ink);
  padding: 0.35rem 0.6rem;
}

.gen-form { display: grid; gap: 0.85rem; }
.gen-row { display: flex; flex-wrap: wrap; gap: 0.7rem 1rem; align-items: end; }
.gen-form input[type="range"] { width: min(100%, 11rem); accent-color: var(--lamp-deep); }
.gen-check { align-items: center; grid-template-columns: auto auto; }
.gen-form label.is-dim { opacity: 0.45; }
.gen-examples {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
  margin: 0.6rem 0 0.2rem;
}
.gen-examples__label {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-right: 0.25rem;
}
.gen-status { margin: 0.35rem 0 0.75rem; color: var(--lamp-deep); font-weight: 700; min-height: 1.4em; }

.studio-sheets {
  display: grid;
  gap: 1rem;
  margin: 1rem 0;
}

.studio-sheet {
  margin: 0;
  text-align: center;
}

.studio-sheet canvas {
  display: block;
  margin-inline: auto;
  background: #fff;
  border: 1px solid var(--line-strong);
  touch-action: none;
}

.studio-sheet canvas.is-playable { cursor: grab; }
.studio-sheet canvas.is-playable:active { cursor: grabbing; }
.studio-sheet figcaption { color: var(--muted); font-size: 0.9rem; margin-top: 0.4rem; }

/* —— overlays —— */
.modal,
.sheet,
.tutorial {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(26, 35, 50, 0.45);
  display: grid;
  place-items: end center;
  padding: 0;
}

.modal[hidden],
.sheet[hidden],
.tutorial[hidden] {
  display: none !important;
}

.modal { place-items: center; padding: 1rem; }

.modal__panel,
.sheet__panel,
.tutorial__panel {
  width: min(100%, 28rem);
  background: var(--paper-2);
  border: 1px solid var(--ink);
  padding: 1.1rem 1.15rem 1.25rem;
  box-shadow: var(--shadow);
}

.sheet__panel {
  width: min(100%, 26rem);
  border-radius: 12px 12px 0 0;
  max-height: min(88vh, 640px);
  overflow: auto;
  padding-bottom: calc(1rem + env(safe-area-inset-bottom));
}

.modal__panel h2,
.sheet__panel h2,
.tutorial__panel h2 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
}

.modal__time {
  font-size: 2rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  margin: 0.2rem 0 0.5rem;
}

.modal__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.85rem;
}

.sheet__note { color: var(--muted); margin: 0 0 0.6rem; font-size: 0.92rem; }

.sheet__opt {
  appearance: none;
  width: 100%;
  text-align: left;
  min-height: var(--tap);
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--line);
  background: var(--path);
  margin-bottom: 0.35rem;
  font-weight: 700;
}

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

.tutorial__panel { position: relative; }
.tutorial__x {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  border: 0;
  background: transparent;
  font-size: 1.4rem;
  line-height: 1;
  min-height: var(--tap);
  min-width: var(--tap);
}

.site-footer {
  border-top: 1px solid var(--line-strong);
  padding: 1.25rem 0 calc(1.25rem + env(safe-area-inset-bottom));
  margin-top: 1rem;
  background: var(--paper-2);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1rem;
  align-items: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer a {
  color: var(--ink-soft);
  text-decoration: none;
}

.site-footer a:hover { color: var(--ink); }

@media (max-width: 760px) {
  .gate-stage { grid-template-columns: 1fr; }
  .gate-legend {
    position: static;
    grid-template-columns: 1fr 1fr;
    gap: 0.65rem;
  }
  .legend-block:last-child { grid-column: 1 / -1; }
  .door-list { grid-template-columns: 1fr 1fr; }
  .minimap-rail { display: none !important; }
  .timer-cluster { margin-left: 0; }
}

@media print {
  @page { size: A4; margin: 12mm; }
  html[data-paper="letter"] {
    /* Chromium honors size when set on @page; letter via JS class fallback */
  }
  body { background: #fff; color: #111; }
  .site-header, .site-footer, .studio-controls, .gen-form, .gen-examples, .crumb, .no-print,
  .article-card > h1, .sheet-page > h1, .sheet-page > p, .sheet-page > h2,
  .ad-slot, .page-meta, .gate-mast, .gate-legend, .play-toolbar { display: none !important; }
  .sheet-page, .gate-stage { background: #fff; box-shadow: none; border: 0; padding: 0; }
  .studio-sheet { break-inside: avoid; }
  .studio-sheet figcaption {
    color: #111 !important;
    font-size: 10pt;
    margin-top: 0.35rem;
  }
}


/* Hosted under NonogramGo /maze/ */
.maze-bridge {
  margin: 0;
  padding: 8px 0 0;
  font-size: 13px;
  font-weight: 700;
}
.maze-bridge a {
  color: var(--ink-soft, #5a5650);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.maze-bridge a:hover {
  border-bottom-color: currentColor;
}