/*
  Consolidated CSS for Variant B.
  Contains former base styles (style.css) + Variant B overrides.
  Goal: eventually replace style.css entirely.
*/

:root {
  --cell-size: clamp(20px, 7vw, 36px);
  --grid-cols: 9;
  --grid-rows: 9;

  --bg: #fafafa;
  --text: #1e293b;
  --muted: #64748b;

  --panel-bg: #ffffff;
  --panel-border: #e2e8f0;
  --shadow: 0 10px 30px rgba(30, 41, 59, 0.12);
  --radius: 14px;
  --page-horizontal-gutter: clamp(16px, 3vw, 40px);

  --grid-bg: #f1f5f9;
  --grid-border: #e2e8f0;
  --grid-gap: 2px;
  --grid-padding: 8px;

  --cell-bg: #ffffff;
  --cell-border: #cbd5e1;
  --cell-radius: 6px;
  --black: #0f172a;

  --accent: #3b82f6;
  --accent-contrast: #ffffff;
  --focus: #3b82f6;
  --highlight: #dbeafe;
  --incorrect: #fee2e2;

  --answer-good: color-mix(in srgb, var(--focus) 55%, var(--cell-bg) 45%);
  --answer-bad: color-mix(in srgb, #dc2626 80%, var(--incorrect) 20%);

  --input-bg: #ffffff;
  --input-border: #cbd5e1;

  --button-bg: #f1f5f9;
  --button-border: #cbd5e1;
  --button-hover-bg: #e2e8f0;
  --surface-muted: #f1f5f9;

  --clue-hover: rgba(30, 41, 59, 0.05);
  --clue-active-bg: rgba(59, 130, 246, 0.12);
  --clue-category-weight: 700;
  --clue-category-style: normal;
  --clue-category-size: 1em;

  --header-bg: linear-gradient(135deg, #1e293b, #334155);
  --header-text: #ffffff;
  --header-muted: rgba(255, 255, 255, 0.75);

  --keyboard-bg: #f8fafc;
  --keyboard-border: #e2e8f0;
  --key-bg: #ffffff;
  --key-border: #cbd5e1;
  --key-text: #1e293b;
  --key-hover-bg: #eff6ff;
  --key-hover-border: #3b82f6;

  --status-success-bg: #dcfce7;
  --status-success-text: #166534;
  --status-error-bg: #fee2e2;
  --status-error-text: #991b1b;
  --error-text: #b91c1c;

  --font-body: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-display: var(--font-body);

  --mobile-key-height: 44px;
  --mobile-key-gap: 6px;
}

html[data-theme="warm-teal"] {
  --bg: #fafaf9;
  --text: #44403c;
  --muted: #78716c;
  --panel-bg: #ffffff;
  --panel-border: #e7e5e4;
  --shadow: 0 10px 30px rgba(68, 64, 60, 0.12);
  --grid-bg: #f5f5f4;
  --grid-border: #e7e5e4;
  --cell-bg: #ffffff;
  --cell-border: #d6d3d1;
  --black: #292524;
  --accent: #14b8a6;
  --accent-contrast: #ffffff;
  --focus: #14b8a6;
  --highlight: #ccfbf1;
  --incorrect: #fee2e2;
  --input-bg: #ffffff;
  --input-border: #d6d3d1;
  --button-bg: #f5f5f4;
  --button-border: #d6d3d1;
  --button-hover-bg: #e7e5e4;
  --surface-muted: #f5f5f4;
  --clue-hover: rgba(68, 64, 60, 0.05);
  --clue-active-bg: rgba(20, 184, 166, 0.12);
  --header-bg: linear-gradient(135deg, #115e59, #0f766e);
  --header-text: #ffffff;
  --header-muted: rgba(255, 255, 255, 0.75);
  --keyboard-bg: #f5f5f4;
  --keyboard-border: #e7e5e4;
  --key-bg: #ffffff;
  --key-border: #d6d3d1;
  --key-text: #292524;
  --key-hover-bg: #f0fdfa;
  --key-hover-border: #14b8a6;
}

html[data-theme="cool-indigo"] {
  --bg: #f9fafb;
  --text: #374151;
  --muted: #6b7280;
  --panel-bg: #ffffff;
  --panel-border: #e5e7eb;
  --shadow: 0 10px 30px rgba(55, 65, 81, 0.12);
  --grid-bg: #f3f4f6;
  --grid-border: #e5e7eb;
  --grid-gap: 2px;
  --grid-padding: 8px;
  --cell-bg: #ffffff;
  --cell-border: #d1d5db;
  --cell-radius: 6px;
  --black: #1f2937;
  --accent: #6366f1;
  --accent-contrast: #ffffff;
  --focus: #6366f1;
  --highlight: #e0e7ff;
  --incorrect: #fee2e2;
  --input-bg: #ffffff;
  --input-border: #d1d5db;
  --button-bg: #f3f4f6;
  --button-border: #d1d5db;
  --button-hover-bg: #e5e7eb;
  --surface-muted: #f3f4f6;
  --clue-hover: rgba(55, 65, 81, 0.05);
  --clue-active-bg: rgba(99, 102, 241, 0.12);
  --radius: 14px;
  --header-bg: linear-gradient(135deg, #312e81, #4338ca);
  --header-text: #ffffff;
  --header-muted: rgba(255, 255, 255, 0.75);
  --keyboard-bg: #f9fafb;
  --keyboard-border: #e5e7eb;
  --key-bg: #ffffff;
  --key-border: #d1d5db;
  --key-text: #1f2937;
  --key-hover-bg: #eef2ff;
  --key-hover-border: #6366f1;
  --status-success-bg: #dcfce7;
  --status-success-text: #166534;
  --status-error-bg: #fee2e2;
  --status-error-text: #991b1b;
  --error-text: #b91c1c;
}

html[data-theme="heritage-orange"] {
  --bg: #fafafa;
  --text: #1a1a1a;
  --muted: #525252;
  --panel-bg: #ffffff;
  --panel-border: #e5e5e5;
  --shadow: 0 10px 30px rgba(26, 26, 26, 0.12);
  --grid-bg: #f5f5f5;
  --grid-border: #e5e5e5;
  --cell-bg: #ffffff;
  --cell-border: #d4d4d4;
  --black: #1a1a1a;
  --accent: #ff8c00;
  --accent-contrast: #ffffff;
  --focus: #ff8c00;
  --highlight: #ffedd5;
  --incorrect: #fee2e2;
  --input-bg: #ffffff;
  --input-border: #d4d4d4;
  --button-bg: #f5f5f5;
  --button-border: #d4d4d4;
  --button-hover-bg: #e5e5e5;
  --surface-muted: #f5f5f5;
  --clue-hover: rgba(26, 26, 26, 0.05);
  --clue-active-bg: rgba(255, 140, 0, 0.18);
  --header-bg: linear-gradient(135deg, #1a1a1a, #2d2d2d);
  --header-text: #ffffff;
  --header-muted: rgba(255, 255, 255, 0.75);
  --keyboard-bg: #f9f9f9;
  --keyboard-border: #e5e5e5;
  --key-bg: #ffffff;
  --key-border: #d4d4d4;
  --key-text: #1a1a1a;
  --key-hover-bg: #fff7ed;
  --key-hover-border: #ff8c00;
}

html[data-theme="blue-gold"] {
  --bg: #fafaf9;
  --text: #003262;
  --muted: #64748b;
  --panel-bg: #ffffff;
  --panel-border: #e7e5e4;
  --shadow: 0 10px 30px rgba(0, 50, 98, 0.12);
  --grid-bg: #f5f5f4;
  --grid-border: #e7e5e4;
  --cell-bg: #ffffff;
  --cell-border: #d6d3d1;
  --black: #003262;
  --accent: #fdb515;
  --accent-contrast: #1a1a1a;
  --focus: #fdb515;
  --highlight: #fef3c7;
  --incorrect: #fee2e2;
  --input-bg: #ffffff;
  --input-border: #d6d3d1;
  --button-bg: #f5f5f4;
  --button-border: #d6d3d1;
  --button-hover-bg: #e7e5e4;
  --surface-muted: #f5f5f4;
  --clue-hover: rgba(0, 50, 98, 0.05);
  --clue-active-bg: rgba(253, 181, 21, 0.2);
  --header-bg: linear-gradient(135deg, #003262, #00508b);
  --header-text: #ffffff;
  --header-muted: rgba(255, 255, 255, 0.75);
  --keyboard-bg: #fafaf9;
  --keyboard-border: #e7e5e4;
  --key-bg: #ffffff;
  --key-border: #d6d3d1;
  --key-text: #1a1a1a;
  --key-hover-bg: #fffbeb;
  --key-hover-border: #fdb515;
}

* {
  box-sizing: border-box;
}

html, body {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
}

header {
  padding: 16px;
  background: var(--header-bg);
  color: var(--header-text);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

header h1 {
  margin: 0;
  line-height: 1.1;
}

.header-options-btn {
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.12);
  color: var(--header-text);
  border-radius: 999px;
  width: 40px;
  height: 36px;
  padding: 0;
  font-size: 18px;
  font-weight: 700;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.header-options-btn:hover {
  background: rgba(255, 255, 255, 0.18);
}

.last-updated {
  margin: -6px 6px 0;
  font-size: 12px;
  color: var(--muted);
  font-style: italic;
  text-align: right;
}

main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 16px;
  padding: 16px var(--page-horizontal-gutter);
  align-items: start;
  max-width: 1400px;
  margin: 0 auto;
}

#puzzle-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

.playbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 12px 14px;
}

.playbar-controls {
  display: flex;
  gap: 8px;
  flex: 0 0 auto;
}

.playbar .game-status {
  flex: 1 1 auto;
}

#grid-wrapper {
  flex: 0 0 auto;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px;
  width: 100%;
  display: flex;
  justify-content: center;
  position: relative;
}

#celebration-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.firework-particle {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--accent);
  opacity: 0.95;
  transform: translate(0, 0);
  animation: firework-pop var(--firework-duration) ease-out forwards;
}

@keyframes firework-pop {
  to {
    transform: translate(var(--firework-dx), var(--firework-dy)) scale(0.15);
    opacity: 0;
  }
}

@keyframes hint-flash {
  0%, 100% {
    filter: brightness(1);
  }
  50% {
    filter: brightness(1.18);
  }
}

.cell.just-hinted {
  animation: hint-flash 0.6s ease-out;
}

@media (prefers-reduced-motion: reduce) {
  .cell.just-hinted {
    animation: none;
    box-shadow: 0 0 0 3px var(--highlight);
  }
}

#clues-panel {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

#grid-container {
  display: grid;
  grid-template-columns: repeat(var(--grid-cols), var(--cell-size));
  grid-template-rows: repeat(var(--grid-rows), var(--cell-size));
  gap: var(--grid-gap);
  background: var(--grid-bg);
  padding: var(--grid-padding);
  border: 1px solid var(--grid-border);
  border-radius: calc(var(--radius) - 6px);
}

.cell {
  position: relative;
  width: var(--cell-size);
  height: var(--cell-size);
  background: var(--cell-bg);
  border: 1px solid var(--cell-border);
  border-radius: var(--cell-radius);
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: clamp(12px, calc(var(--cell-size) * 0.62), 24px);
}

.cell.black {
  background: var(--black);
  border-color: var(--black);
}

html[data-hide-blocks="true"] .cell.black {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
  opacity: 0;
  pointer-events: none;
}

.cell input {
  width: 100%;
  height: 100%;
  border: none;
  padding: 0;
  text-align: center;
  line-height: 1;
  font-size: clamp(12px, calc(var(--cell-size) * 0.62), 24px);
  font-weight: 650;
  text-transform: uppercase;
  background: transparent;
  color: var(--text);
}

.cell input:focus {
  outline: 2px solid var(--focus);
  outline-offset: -2px;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--focus) 25%, transparent);
}

.cell .number {
  position: absolute;
  top: 2px;
  left: 4px;
  font-size: clamp(10px, calc(var(--cell-size) * 0.32), 13px);
  color: var(--text);
  opacity: 0.7;
  font-weight: 600;
}

.cell.highlight {
  background: var(--highlight);
}

.cell.correct {
  box-shadow: inset 0 0 0 3px var(--answer-good);
}

.cell.incorrect::after {
  content: "";
  position: absolute;
  inset: 2px;
  pointer-events: none;
  background: linear-gradient(
    135deg,
    transparent 48.5%,
    color-mix(in srgb, var(--answer-bad) 92%, transparent) 48.5%,
    color-mix(in srgb, var(--answer-bad) 92%, transparent) 51.5%,
    transparent 51.5%
  );
}

#control-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px;
  width: 100%;
  min-width: 0;
}

.dataset-status {
  min-height: 18px;
  color: var(--muted);
}

.dataset-status.error {
  color: var(--text);
}

.filters {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  row-gap: 24px;
}

.filter {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  min-width: 0;
}

.filter-title-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.filter-title-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

button.action-button {
  padding: 6px 10px;
  border: 1px solid var(--button-border);
  background: var(--surface-muted);
  border-radius: 999px;
  color: var(--text);
  font-size: 12px;
}

button.action-button:hover {
  background: var(--button-hover-bg);
}

button.action-button.selected {
  background: var(--clue-active-bg);
  border-color: var(--accent);
}

button.link-button {
  padding: 0;
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
}

button.link-button:hover {
  background: transparent;
  text-decoration: underline;
}

.filter select,
.filter input {
  padding: 8px 10px;
  border: 1px solid var(--input-border);
  border-radius: 10px;
  background: var(--input-bg);
  color: var(--text);
  font-size: 14px;
  width: 100%;
}

#grid-size-select {
  width: auto;
  min-width: 70px;
  max-width: 100px;
  align-self: flex-start;
}

.toolbar {
  display: flex;
  align-items: flex-end;
  gap: 12px;
}

.toolbar-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
}

.toolbar-item--inline {
  flex-direction: row;
  align-items: center;
  gap: 8px;
}

.toolbar-item select {
  padding: 8px 10px;
  border: 1px solid var(--input-border);
  border-radius: 10px;
  background: var(--input-bg);
  color: var(--text);
  font-size: inherit;
}

.value-badge-toggle-label {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  flex-wrap: wrap;
}

.value-badge-preview {
  display: contents;
}

.value-badge-preview .clue-value-badge {
  margin-left: 6px;
}

.settings-section-heading {
  margin: 16px 0 8px;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.02em;
}

.settings-section-summary {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  cursor: pointer;
  list-style: none;
}

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

.settings-section-title {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.settings-section-glyph {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  transition: transform 0.2s ease;
}

.appearance-settings[open] .settings-section-glyph {
  transform: rotate(90deg);
}

/* Appearance (Theme) – intentionally lower prominence */
.appearance-settings {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--panel-border);
}

/* Normalize spacing for all collapsible section summaries */
.appearance-settings > summary {
  margin-top: 0;
  margin-bottom: 8px;
}

.appearance-summary {
  cursor: pointer;
  font-size: 13px;
  color: var(--muted);
  list-style: none;
}

.appearance-summary::marker {
  display: none;
}

.appearance-settings[open] .appearance-summary {
  color: var(--text);
}

.appearance-settings .toolbar-item {
  margin-top: 10px;
  opacity: 0.9;
}

.filter-categories {
  grid-column: 1 / -1;
}

.category-picker {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 10px;
  background: var(--surface-muted);
}

.category-picker-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  background: color-mix(in srgb, var(--surface-muted) 85%, var(--panel-bg));
  min-height: 0;
}

.category-picker-section--available {
  background: color-mix(in srgb, var(--surface-muted) 90%, var(--panel-bg));
}

.category-picker-section--available.category-available--synced {
  height: var(--category-available-height, auto);
  min-height: 0;
  overflow: hidden;
}

.category-picker-label {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.category-search {
  padding: 8px 10px;
  border: 1px solid var(--input-border);
  border-radius: 10px;
  background: var(--input-bg);
  color: var(--text);
  font-size: 14px;
}

.category-tray {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  min-height: 34px;
  align-items: flex-start;
  align-content: flex-start;
}

.category-pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  max-height: 140px;
  overflow: auto;
  padding: 2px;
  align-items: flex-start;
  align-content: flex-start;
}

.category-picker-section--available.category-available--synced .category-pill-list {
  flex: 1 1 0;
  min-height: 0;
  max-height: none;
  overflow: auto;
}

button.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  padding: 6px 10px;
  border: 1px solid var(--button-border);
  background: var(--button-bg);
  border-radius: 999px;
  font-size: 12px;
  line-height: 1.2;
  color: var(--button-text, var(--text));
}

button.pill:hover {
  background: var(--button-hover-bg);
}

button.pill.selected {
  background: var(--clue-active-bg);
  border-color: var(--accent);
  color: var(--text);
}

.category-slots {
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.run-category-toggle {
  margin-top: 8px;
  font-size: 12px;
}

.controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.options-close-btn {
  margin-left: auto;
}

.game-status {
  min-height: 18px;
  padding: 8px 10px;
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  background: var(--surface-muted);
  color: var(--muted);
}

.game-status.error {
  background: var(--status-error-bg);
  color: var(--status-error-text);
}

.game-status.success {
  background: var(--status-success-bg);
  color: var(--status-success-text);
}

button {
  padding: 10px 14px;
  border: 1px solid var(--button-border);
  background: var(--button-bg);
  border-radius: 12px;
  cursor: pointer;
  font-size: 14px;
  color: var(--button-text, var(--text));
}

button:hover {
  background: var(--button-hover-bg);
}

.available-clue-count {
  font-size: 14px;
  color: var(--muted);
}

button:focus-visible,
select:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-contrast);
}

button.primary:hover {
  filter: brightness(0.98);
}

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

.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding: 8px 10px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.top-bar-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 12px;
  border: 1px solid var(--button-border);
  background: var(--button-bg);
  border-radius: 12px;
  font-weight: 700;
  font-size: 13px;
  min-height: 38px;
}

.icon-button .icon-glyph {
  font-size: 16px;
}

.icon-button .icon-label {
  line-height: 1.1;
}

#new-game-btn .icon-glyph {
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
}

.desktop-top-bar {
  margin-bottom: 12px;
  grid-column: 1 / -1;
  justify-self: stretch;
  width: 100%;
}

.mobile-top-bar {
  display: none;
}

.action-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 10px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 10px 12px;
}

.action-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.action-icons {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  font-weight: 700;
  border: 1px solid var(--button-border);
  background: var(--button-bg);
}

.mobile-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.mobile-top-btn {
  border: 1px solid var(--button-border);
  background: var(--button-bg);
  border-radius: 10px;
  padding: 8px 10px;
  font-weight: 600;
}

.mobile-top-btn--nav {
  min-width: 56px;
  text-align: left;
}

.mobile-top-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.mobile-title {
  font-weight: 800;
  font-size: 16px;
}

.mobile-divider {
  color: var(--muted);
}

.mobile-clue-strip {
  display: grid;
  grid-template-columns: 40px 1fr 40px;
  align-items: center;
  gap: 8px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 10px;
}

.desktop-clue-strip {
  display: none;
  margin-top: 10px;
}

.mobile-clue-nav {
  border: 1px solid var(--button-border);
  background: var(--button-bg);
  border-radius: 10px;
  font-size: 18px;
  height: 38px;
}

.mobile-clue-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-height: 36px;
}

.mobile-clue-label {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.mobile-clue-body {
  font-weight: 400;
}

.mobile-clue-list-panel {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mobile-clue-tabs {
  display: flex;
  gap: 8px;
}

.mobile-tab {
  flex: 1 1 0;
  padding: 10px 12px;
  border: 1px solid var(--button-border);
  background: var(--button-bg);
  border-radius: 10px;
  font-weight: 700;
}

.mobile-tab--active {
  border-color: var(--accent);
  background: var(--clue-active-bg);
}

.mobile-clue-list {
  max-height: 220px;
  overflow: auto;
  font-size: 14px;
  line-height: 1.25;
}

.mobile-clue-list ul,
.mobile-clue-cards {
  list-style: none;
  padding: 0;
  margin: 0;
}

.mobile-clue-cards {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mobile-clue-card {
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 10px 12px;
  background: var(--panel-bg);
  box-shadow: var(--shadow);
  cursor: pointer;
}

.mobile-clue-card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.mobile-clue-card.active {
  border-color: var(--accent);
  background: var(--clue-active-bg);
}

.mobile-clue-card__header {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px;
  align-items: start;
}

.mobile-clue-number {
  font-weight: 800;
}

.mobile-clue-text {
  font-weight: 600;
}

.mobile-clue-card .mobile-clue-text {
  display: inline;
}

.mobile-answer-row {
  display: flex;
  gap: 6px;
  margin-top: 8px;
  flex-wrap: wrap;
}

.mobile-answer-box {
  width: 1.9em;
  aspect-ratio: 1 / 1;
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  background: var(--button-bg);
  font-weight: 800;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.mobile-answer-box--filled {
  border-color: var(--muted);
}

.mobile-answer-box--active {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 20%, transparent);
}

body.mobile-shell-active .mobile-top-bar {
  display: flex;
}

body.mobile-shell-active .desktop-top-bar {
  display: none;
}

#mobile-shell {
  display: none;
}

.mobile-keyboard {
  display: none;
  flex-direction: column;
  gap: var(--mobile-key-gap);
  background: var(--keyboard-bg);
  border: 1px solid var(--keyboard-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 10px;
  padding-bottom: calc(10px + env(safe-area-inset-bottom));
  position: sticky;
  bottom: 0;
  width: 100%;
  box-sizing: border-box;
}

.mobile-key-row {
  display: grid;
  gap: var(--mobile-key-gap);
}

.mobile-key-row--10 {
  grid-template-columns: repeat(10, minmax(0, 1fr));
}

.mobile-key-row--9 {
  grid-template-columns: repeat(9, minmax(0, 1fr));
}

.mobile-key-row--7 {
  grid-template-columns: repeat(7, minmax(0, 1fr));
}

.mobile-key-row--8 {
  grid-template-columns: repeat(8, minmax(0, 1fr));
}

.mobile-key {
  height: var(--mobile-key-height);
  padding: 0;
  min-width: 0;
  box-sizing: border-box;
  border: 1px solid var(--key-border);
  background: var(--key-bg);
  border-radius: 8px;
  font-weight: 700;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--key-text);
}

.mobile-key:hover {
  background: var(--key-hover-bg);
  border-color: var(--key-hover-border);
}

.mobile-key--wide {
  grid-column: span 2;
}

.mobile-key--accent {
  background: var(--status-error-bg);
  color: var(--status-error-text);
  border-color: var(--status-error-text);
}

.mobile-key--mode {
  background: var(--clue-active-bg);
  border-color: var(--accent);
}

.mobile-action-row {
  display: flex;
  gap: 8px;
  padding: 8px 12px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-top: 0;
}

.mobile-action-btn {
  flex: 1 1 0;
  padding: 7px 12px;
  border: 1px solid var(--button-border);
  background: var(--button-bg);
  border-radius: 10px;
  font-weight: 700;
  font-size: 13px;
}

.mobile-action-btn--icon {
  flex: 0 0 auto;
  width: 44px;
  padding: 0;
  font-size: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.assist-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  z-index: 60;
}

.assist-menu {
  position: fixed;
  top: calc(12px + env(safe-area-inset-top));
  right: calc(12px + env(safe-area-inset-right));
  left: auto;
  bottom: auto;
  margin: 0;
  width: max-content;
  min-width: 200px;
  max-width: min(280px, calc(100vw - 24px - env(safe-area-inset-left) - env(safe-area-inset-right)));
  max-height: calc(100vh - 32px);
  max-height: calc(100dvh - 32px);
  padding: 12px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 70;
  overflow: auto;
  overscroll-behavior: contain;
}

.assist-menu[hidden],
.assist-backdrop[hidden] {
  display: none;
}

.assist-menu__header {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.assist-close-btn {
  padding: 4px;
  min-height: auto;
  background: transparent;
  border: none;
}

.assist-close-btn .icon-glyph {
  font-size: 15px;
}

.assist-menu__group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.assist-menu__group--legacy {
  border-top: 1px solid var(--panel-border);
  padding-top: 10px;
}

.assist-menu__section-title {
  margin: 0;
  font-size: 14px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--muted);
}

.assist-menu__section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
}

.assist-menu__actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}

.assist-btn {
  width: auto;
  text-align: left;
  padding: 10px 12px;
  border: 1px solid var(--button-border);
  background: var(--button-bg);
  border-radius: 10px;
  font-weight: 600;
  color: var(--button-text, var(--text));
}

.assist-btn[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
}

body.has-assist-open {
  overflow: hidden;
}

body.has-assist-open #mobile-keyboard {
  display: none;
}

.mobile-action-row #mobile-view-toggle-btn {
  flex: 0 0 auto;
}

.clue-section h2 {
  margin: 0 0 6px;
}

.clue-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.clue-section li {
  padding: 4px 6px;
  border: 1px solid transparent;
  cursor: pointer;
}

.clue-section .clue-line {
  display: flex;
  gap: 6px;
  align-items: baseline;
}

.clue-section .clue-number {
  flex: 0 0 auto;
}

.clue-section .clue-body {
  flex: 1 1 auto;
  min-width: 0;
}

.clue-category {
  font-weight: var(--clue-category-weight);
  font-style: var(--clue-category-style);
  font-size: var(--clue-category-size);
}

.clue-value-badge {
  display: inline-flex;
  align-items: center;
  margin-left: 6px;
  padding: 0 6px;
  border-radius: 999px;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1;
  text-transform: uppercase;
  vertical-align: baseline;
  white-space: nowrap;
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  color: var(--accent);
}

.clue-value-badge--strip {
  font-size: 0.58rem;
}

.clue-section .clue-comment {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
}

.clue-section li:hover {
  background: var(--clue-hover);
}

.clue-section li.active {
  border-color: var(--accent);
  background: var(--clue-active-bg);
}

.clue-section li:focus-visible,
.mobile-clue-list li:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  border-radius: 10px;
}

.error {
  color: var(--text);
  margin: 8px 0;
}

@media (max-width: 900px) {
  main {
    grid-template-columns: 1fr;
    padding: 12px;
    gap: 12px;
  }

  body.mobile-shell-active #grid-container,
  body.mobile-shell-active #grid-container .cell,
  body.mobile-shell-active #grid-container input,
  body.mobile-shell-active .mobile-clue-nav,
  body.mobile-shell-active .mobile-tab,
  body.mobile-shell-active #mobile-keyboard,
  body.mobile-shell-active #mobile-keyboard button {
    touch-action: manipulation;
  }

  /* Global touch-action for all interactive elements: prevents double-tap zoom and removes 300ms touch delay */
  button, a, input, select, textarea, .cell, [role="button"],
  summary, label, .pill, .assist-btn, .mobile-action-btn {
    touch-action: manipulation;
  }

  /* iOS Safari: prevent focus auto-zoom by keeping form controls >=16px. */
  body.mobile-shell-active #control-panel input,
  body.mobile-shell-active #control-panel select,
  body.mobile-shell-active #control-panel textarea {
    font-size: 16px;
  }

  body.variant-b header {
    padding-top: 8px;
    padding-bottom: 6px;
  }

  body.variant-b header h1 {
    font-size: 16px;
  }

  body.mobile-shell-active .header-options-btn {
    display: none;
  }

  body.mobile-shell-active .cell input {
    font-size: clamp(16px, calc(var(--cell-size) * 0.56), 24px);
  }

  body.mobile-shell-active #clues-panel {
    display: none;
  }

  body.mobile-shell-active #action-bar {
    display: none;
  }

  body.mobile-shell-active .last-updated {
    display: none;
  }

  body.mobile-shell-active #mobile-shell {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 0 12px 12px;
  }

  body.mobile-shell-active #grid-wrapper {
    width: 100%;
  }

  body.mobile-shell-active.has-virtual-keyboard #mobile-keyboard {
    display: flex;
  }

  body.mobile-shell-active[data-mobile-view="grid"] #mobile-clue-list-panel {
    display: none;
  }

  body.mobile-shell-active[data-mobile-view="list"] #grid-wrapper {
    display: none;
  }

  body.mobile-shell-active[data-mobile-view="list"] .mobile-clue-strip {
    display: none;
  }

  /* Mobile "List" view: keep header/top bar/keyboard pinned; only the clue list scrolls. */
  body.mobile-shell-active[data-mobile-view="list"] {
    height: 100vh;
    height: 100svh;  /* Stable - doesn't change with Safari UI */
    min-height: 100svh;  /* Prevent collapse when content is smaller than viewport */
    overflow: hidden;
    display: flex;
    flex-direction: column;
  }

  body.mobile-shell-active[data-mobile-view="list"] main {
    padding: 0;
    gap: 0;
    flex: 0 0 auto;
  }

  body.mobile-shell-active[data-mobile-view="list"] #mobile-shell {
    flex: 1 1 auto;
    min-height: 0;
  }

  body.mobile-shell-active[data-mobile-view="list"] #mobile-clue-list-panel {
    flex: 1 1 auto;
    min-height: 0;
  }

  body.mobile-shell-active[data-mobile-view="list"] .mobile-clue-list {
    max-height: none;
    flex: 1 1 auto;
    min-height: 0;
    overscroll-behavior: contain;
  }

  #control-panel {
    grid-column: 1;
    grid-row: 1;
  }

  #puzzle-panel {
    width: 100%;
    grid-column: 1;
    grid-row: 2;
  }

  #clues-panel {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  html {
    --grid-padding: 4px;
    --grid-gap: 1px;
  }

  #grid-wrapper {
    width: 100%;
    padding: 10px;
  }

  #clues-panel {
    grid-template-columns: 1fr;
  }

  .filters {
    gap: 8px;
    row-gap: 20px;
  }

  .category-slots {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 500px) {
  #new-game-btn .icon-label {
    display: none;
  }
}

@media (max-width: 450px) {
  :root {
    --mobile-key-gap: 4px;
  }
}

/* ===== Variant B overrides (formerly variant_b.css) ===== */

/* Variant B: options drawer (desktop) — hidden by default, toggled by ⚙ button */
body.variant-b main{
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--page-horizontal-gutter) 18px;
  grid-template-columns: 1fr;
}

/* Desktop: two-column layout with clues sidebar */
@media (min-width: 901px) {
  body.variant-b main{
    grid-template-columns: minmax(0, 540px) minmax(0, 1fr);
    gap: 20px;
    padding-inline: var(--page-horizontal-gutter);
  }

  body.variant-b #view-toggle-btn {
    display: none;
  }

  body.variant-b #puzzle-panel {
    grid-column: 1;
    grid-row: 2;
  }

  body.variant-b #clues-panel {
    grid-column: 2;
    grid-row: 2;
    max-height: none;
    height: fit-content;
    position: sticky;
    top: 16px;
  }
}

body.variant-b header{
  max-width: none;
  margin: 0;
  padding-inline: var(--page-horizontal-gutter);
}

body.variant-b header .header-row{
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

/* Drawer behavior */
body.variant-b #control-panel{
  display: none;
  position: fixed;
  top: 12px;
  right: 12px;
  width: min(440px, calc(100vw - 24px));
  height: calc(100vh - 24px);
  height: calc(100dvh - 24px);
  overflow: auto;
  overscroll-behavior: contain;
  z-index: 50;
  border-radius: 12px;
  box-shadow: 0 16px 44px rgba(0,0,0,.18);
}

body.variant-b .options-backdrop{
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.35);
  z-index: 40;
}

body.variant-b.has-options-open #control-panel{
  display: block;
}

/* Ensure the "last updated" footer shows inside the settings drawer */
body.variant-b #control-panel .last-updated{
  display: block;
}

body.variant-b.has-options-open{
  overflow: hidden;
}

body.has-options-open #puzzle-panel,
body.has-options-open #mobile-shell {
  pointer-events: none;
}

body.variant-b.has-options-open #mobile-keyboard {
  display: none;
}


/* Give the clues panel more breathing room in this layout */
body.variant-b #clues-panel{
  border-radius: 10px;
}

/* Make the action bar feel like the "bridge" between grid + clues */
body.variant-b #action-bar{
  border-radius: 10px;
}

/* Desktop List/Grid toggle should size to its label */
body.variant-b #view-toggle-btn{
  width: auto;
  min-width: 0;
  padding: 0 14px;
  white-space: nowrap;
}

/* Desktop "Grid" mode: match clue list typography (avoid bold clue text). */
body.variant-b:not(.mobile-shell-active)[data-mobile-view="grid"] .desktop-clue-strip .mobile-clue-body{
  font-weight: 400;
}

/* Mobile "List" mode: render clue text at normal weight. */
body[data-mobile-view="list"] .mobile-clue-text{
  font-weight: 400;
}

/* Hide clue label header in grid mode (mobile and desktop) */
body[data-mobile-view="grid"] .mobile-clue-label,
body[data-mobile-view="grid"] #desktop-clue-label{
  display: none;
}

/* Options launcher button that replaced the header icon */
body.variant-b .options-launcher{
  display: flex;
  justify-content: flex-end;
  margin: 10px 0 14px;
}

body.variant-b .options-toggle{
  border: 1px solid var(--button-border);
  background: var(--button-bg);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 13px;
  color: var(--text);
}

body.variant-b .options-toggle:hover{
  background: var(--button-hover-bg);
}

/* Hide the available category list — keep only search + selected tray visible */
body.variant-b .variant-b-hidden{
  display: none;
}

/* Move the search box outside the hidden section visually */
body.variant-b .category-picker{
  display: flex;
  flex-direction: column;
  gap: 8px;
}

body.variant-b .category-picker .category-search{
  order: -1;
}

body.variant-b .mobile-top-btn--primary{
  border-color: var(--accent);
  background: var(--accent);
  color: var(--accent-contrast);
}

body.variant-b #mobile-view-toggle-btn{
  white-space: nowrap;
}

/* Mobile */
@media (max-width: 720px){
  body.variant-b #control-panel{
    top: 0;
    right: 0;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    border-radius: 0;
    padding-top: calc(14px + env(safe-area-inset-top));
    padding-right: calc(14px + env(safe-area-inset-right));
    padding-bottom: calc(14px + env(safe-area-inset-bottom));
    padding-left: calc(14px + env(safe-area-inset-left));
  }
}

@media (max-width: 900px) {
  body.variant-b main{
    padding: 0 12px 12px;
  }

  body.variant-b header{
    padding-left: 12px;
    padding-right: 12px;
  }
}