/* ── A Puzzle For You: Design System & Literary Typography ───────────────────────── */

:root {
  --bg: #fbf8f1;
  --text: #2b2621;
  --text-muted: #6e6459;
  --accent: #8b3a2b;
  --accent-hover: #ad4936;
  --panel-bg: rgba(246, 241, 230, 0.85);
  --border: #dfd5c2;
  --chip-bg: #ede3ce;
  --shadow: 0 4px 20px rgba(43, 38, 33, 0.06);
  --tile-bg: #ffffff;
  --tile-shadow-color: rgba(43, 38, 33, 0.18);
  --font-serif: 'Cormorant Garamond', 'EB Garamond', Georgia, serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --line-height: 1.55;
}

[data-theme="slate"] {
  --bg: #14171a;
  --text: #dfdcd7;
  --text-muted: #8d959e;
  --accent: #60a5fa;
  --accent-hover: #93c5fd;
  --panel-bg: rgba(26, 31, 36, 0.85);
  --border: #2c333a;
  --chip-bg: #22272e;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --tile-bg: #1e242c;
  --tile-shadow-color: rgba(0, 0, 0, 0.6);
}

[data-theme="sepia"] {
  --bg: #f3edd9;
  --text: #382e22;
  --text-muted: #786752;
  --accent: #9c5825;
  --accent-hover: #ba6b30;
  --panel-bg: rgba(235, 226, 204, 0.85);
  --border: #cebf9e;
  --chip-bg: #ded0b0;
  --shadow: 0 4px 20px rgba(56, 46, 34, 0.08);
  --tile-bg: #fdf8ee;
  --tile-shadow-color: rgba(56, 46, 34, 0.18);
}

[data-theme="terminal"] {
  --bg: #0d1117;
  --text: #56d364;
  --text-muted: #2ea043;
  --accent: #79c0ff;
  --accent-hover: #a5d6ff;
  --panel-bg: rgba(22, 27, 34, 0.9);
  --border: #238636;
  --chip-bg: #161b22;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.6);
  --tile-bg: #121820;
  --tile-shadow-color: rgba(0, 0, 0, 0.7);
  --font-serif: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

[data-theme="midnight"] {
  --bg: #0b0e14;
  --text: #d8dee9;
  --text-muted: #67768e;
  --accent: #b48ead;
  --accent-hover: #d08770;
  --panel-bg: rgba(18, 24, 32, 0.85);
  --border: #273142;
  --chip-bg: #1a222e;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
  --tile-bg: #141b24;
  --tile-shadow-color: rgba(0, 0, 0, 0.65);
}

[data-theme="forest"] {
  --bg: #0d1612;
  --text: #d8e2dc;
  --text-muted: #7d9688;
  --accent: #d4973b;
  --accent-hover: #e5aa4e;
  --panel-bg: rgba(18, 30, 24, 0.88);
  --border: #233b2e;
  --chip-bg: #16281e;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
  --tile-bg: #15241b;
  --tile-shadow-color: rgba(0, 0, 0, 0.65);
}

[data-theme="gothic"] {
  --bg: #120d14;
  --text: #e8e0d7;
  --text-muted: #8c7a8f;
  --accent: #c92a42;
  --accent-hover: #e03b54;
  --panel-bg: rgba(26, 18, 29, 0.88);
  --border: #38243d;
  --chip-bg: #221626;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.55);
  --tile-bg: #201724;
  --tile-shadow-color: rgba(0, 0, 0, 0.7);
}

[data-theme="abyss"] {
  --bg: #07131b;
  --text: #d2e4e6;
  --text-muted: #6b8d96;
  --accent: #14b8a6;
  --accent-hover: #2dd4bf;
  --panel-bg: rgba(12, 28, 38, 0.88);
  --border: #1a3c4f;
  --chip-bg: #0f2330;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
  --tile-bg: #0e222d;
  --tile-shadow-color: rgba(0, 0, 0, 0.65);
}

[data-theme="dune"] {
  --bg: #fcf5e7;
  --text: #3c2617;
  --text-muted: #7c604d;
  --accent: #d46522;
  --accent-hover: #ea7a35;
  --panel-bg: rgba(246, 237, 219, 0.88);
  --border: #ded0b6;
  --chip-bg: #eddcc2;
  --shadow: 0 4px 20px rgba(60, 38, 23, 0.08);
  --tile-bg: #fef9ed;
  --tile-shadow-color: rgba(60, 38, 23, 0.18);
}

[data-theme="frost"] {
  --bg: #f4f8fb;
  --text: #1b2838;
  --text-muted: #5e738a;
  --accent: #0284c7;
  --accent-hover: #0369a1;
  --panel-bg: rgba(237, 243, 248, 0.88);
  --border: #c8d8e6;
  --chip-bg: #dbe7f2;
  --shadow: 0 4px 20px rgba(27, 40, 56, 0.07);
  --tile-bg: #ffffff;
  --tile-shadow-color: rgba(27, 40, 56, 0.2);
}

/* ── Reset & Base Typography ────────────────────────────────────────────── */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

button, input, select, textarea {
  touch-action: manipulation;
  font-family: inherit;
  font-size: 1rem;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-serif);
  font-size: 1.08rem;
  line-height: var(--line-height);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color 0.4s ease, color 0.4s ease;
  padding: 0;
  margin: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── App Container & Layout ─────────────────────────────────────────────── */

#app-container {
  width: 100%;
  max-width: 880px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 2.25rem 1.25rem 3rem 1.25rem;
}

/* ── Header ─────────────────────────────────────────────────────────────── */

.story-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
  flex-wrap: wrap;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
}

.story-meta {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.story-title {
  font-family: var(--font-serif);
  font-size: 2.1rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.2;
  margin: 0;
}

.story-author {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--text-muted);
  font-style: italic;
  margin: 0;
}

.story-controls {
  display: flex;
  flex-wrap: nowrap;
  justify-content: flex-end;
  align-items: center;
  gap: 0.45rem;
  flex-shrink: 0;
}

@media (max-width: 640px) {
  .story-header {
    flex-wrap: wrap;
    align-items: flex-start;
  }
  .story-controls {
    flex-wrap: wrap;
    justify-content: flex-start;
    width: 100%;
  }
  .story-title {
    font-size: 1.8rem;
  }
}

.ctrl-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  padding: 0.38rem 0.75rem;
  border-radius: 9999px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.ctrl-btn:hover {
  color: var(--text);
  border-color: var(--text);
}

.ctrl-btn:active {
  transform: scale(0.97);
}

/* ── Active Clue Pill & Progress Track ──────────────────────────────────── */

.xw-progress-label {
  margin: 1.25rem 0 0.4rem;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.xw-progress {
  height: 6px;
  background: var(--chip-bg);
  border-radius: 9999px;
  margin: 0 0 1.25rem;
  overflow: hidden;
  border: 1px solid var(--border);
}

.xw-progress-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-hover));
  border-radius: 9999px;
  transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.xw-active-clue {
  margin: 0 0 1.25rem;
  padding: 0.85rem 1.15rem;
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  line-height: 1.45;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: all 0.2s ease;
}

.xw-active-clue-text {
  flex: 1 1 auto;
  min-width: 200px;
}

.xw-clue-actions {
  display: flex;
  gap: 0.45rem;
  margin-left: auto;
  flex: 0 0 auto;
}

.mini-btn {
  border: 1px solid var(--border);
  background: var(--chip-bg);
  color: var(--text);
  border-radius: 9999px;
  padding: 0.35rem 0.75rem;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 500;
  white-space: nowrap;
  transition: all 0.15s ease;
}

.mini-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.mini-btn:active {
  transform: scale(0.97);
}

.xw-active-num {
  font-family: var(--font-sans);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.8em;
  height: 1.5em;
  padding: 0 0.4rem;
  background: var(--accent);
  color: #ffffff;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  line-height: 1;
}

.xw-active-dir {
  font-family: var(--font-sans);
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ── Crossword Board & Layout ───────────────────────────────────────────── */

.xw-layout {
  display: grid;
  grid-template-columns: minmax(260px, 380px) 1fr;
  gap: 2rem;
  align-items: start;
}

@media (max-width: 720px) {
  .xw-layout {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* The grid viewport. At "fit" it is invisible (whole puzzle, no scrolling).
   Zoomed, it becomes a bounded window that pans on its own, so zooming never
   pushes the header or clues around. Pinch is handled in JS (touch-action
   keeps the browser from zooming the whole page instead). */
.xw-board {
  min-width: 0;
}

.xw-grid-wrap {
  overflow: visible;
  min-width: 0;
  touch-action: pan-x pan-y;
}

.xw-grid-wrap.zoomed {
  overflow: auto;
  outline: 1px solid var(--border);
  border-radius: 10px;
  background: color-mix(in srgb, var(--text) 3%, transparent);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

/* Touch: panning the puzzle must not suddenly scroll the page at its edge. */
@media (pointer: coarse) {
  .xw-grid-wrap.zoomed {
    overscroll-behavior: contain;
  }
}

.xw-grid {
  touch-action: pan-x pan-y;
  display: grid;
  gap: 4px;
  background: transparent;
  border: 0;
  padding: 6px;
  width: max-content;
  min-width: 100%;
  justify-content: center;
}

.xw-zoom-ctrls {
  display: none;
  justify-content: flex-end;
  gap: 0.4rem;
  margin-bottom: 0.6rem;
}

.xw-board.zoomable .xw-zoom-ctrls {
  display: flex;
}

.xw-zoom-btn {
  min-width: 2.4rem;
  font-size: 1rem;
  line-height: 1;
}

.xw-zoom-ctrls .mini-btn:disabled {
  opacity: 0.4;
  cursor: default;
  border-color: var(--border);
  color: var(--text);
}

/* Wide puzzles (freeform etc.): grid takes full width, clues stack below. */
.xw-layout.xw-wide {
  display: block;
}

.xw-layout.xw-wide .xw-grid-wrap {
  max-width: none;
}

.xw-layout.xw-wide .xw-clues {
  display: grid;
  grid-template-columns: 1fr 1fr;
  max-width: 720px;
  margin-top: 1.5rem;
}

@media (max-width: 600px) {
  .xw-layout.xw-wide .xw-clues {
    grid-template-columns: 1fr;
  }
}

/* ── Scrabble-like Tactile Cells ────────────────────────────────────────── */

.xw-cell {
  position: relative;
  aspect-ratio: 1 / 1;
  min-width: 0;
  min-height: 0;
  background: var(--tile-bg, #ffffff);
  border: 1px solid var(--border);
  border-radius: 4px;
  box-shadow: 0 2px 5px var(--tile-shadow-color, rgba(0, 0, 0, 0.15)), 0 1px 2px rgba(0, 0, 0, 0.08);
  transition: background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.xw-cell.xw-black {
  background: var(--text);
  opacity: 0.92;
  border-color: transparent;
  box-shadow: none;
  border-radius: 3px;
}

.xw-cell.xw-void {
  background: transparent !important;
  border-color: transparent !important;
  box-shadow: none !important;
  visibility: hidden;
}

.xw-cell.in-word {
  background: color-mix(in srgb, var(--accent) 15%, var(--tile-bg, #ffffff));
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  box-shadow: 0 2px 5px var(--tile-shadow-color, rgba(0, 0, 0, 0.15)), 0 1px 2px rgba(0, 0, 0, 0.08);
}

.xw-cell.selected {
  background: color-mix(in srgb, var(--accent) 26%, var(--tile-bg, #ffffff));
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent), 0 3px 8px var(--tile-shadow-color, rgba(0, 0, 0, 0.22));
  z-index: 2;
}

.xw-cell input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  padding: 16% 0 0;
  background: transparent;
  color: var(--text);
  text-align: center;
  font-size: min(1.35rem, calc(var(--cell-px, 64px) * 0.56));
  font-weight: 700;
  font-family: var(--font-serif);
  text-transform: uppercase;
  caret-color: var(--accent);
  outline: none;
}

.xw-cell.revealed input {
  color: var(--text-muted);
  font-style: italic;
}

.xw-cell.wrong input {
  color: #cf222e;
}

.xw-num {
  position: absolute;
  top: 2px;
  left: 3px;
  font-family: var(--font-sans);
  font-size: min(0.62rem, max(6px, calc(var(--cell-px, 64px) * 0.26)));
  font-weight: 600;
  line-height: 1;
  color: var(--text-muted);
  pointer-events: none;
  z-index: 1;
  user-select: none;
}

/* ── Clues Lists (Across & Down) ────────────────────────────────────────── */

.xw-clues {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

@media (max-width: 520px) {
  .xw-clues {
    grid-template-columns: 1fr;
  }
}

.xw-cluecol h2 {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin: 0 0 0.5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.35rem;
}

.xw-clue {
  display: flex;
  align-items: baseline;
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  border-radius: 8px;
  padding: 0.45rem 0.6rem;
  color: var(--text);
  cursor: pointer;
  font-family: var(--font-serif);
  font-size: 1.02rem;
  line-height: 1.45;
  transition: background-color 0.15s ease, transform 0.15s ease;
  margin-bottom: 2px;
}

.xw-clue b {
  font-family: var(--font-sans);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 700;
  margin-right: 0.5rem;
  flex-shrink: 0;
  min-width: 1.4em;
}

.xw-clue:hover {
  background: var(--chip-bg);
}

.xw-clue.active {
  background: var(--chip-bg);
  box-shadow: inset 3px 0 0 var(--accent);
  font-weight: 600;
}

/* ── Action Toolbar ─────────────────────────────────────────────────────── */

.xw-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 1.25rem;
  flex-wrap: wrap;
  align-items: center;
}

.action-btn {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.45rem 1rem;
  border-radius: 9999px;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--panel-bg);
  color: var(--text);
  transition: all 0.2s ease;
}

.action-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

.action-btn:active {
  transform: scale(0.97);
}

.action-btn.primary {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}

.action-btn.primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #ffffff;
}

.action-btn.secondary {
  background: var(--panel-bg);
  color: var(--text);
  border: 1px solid var(--border);
}

.action-btn.secondary:hover {
  background: var(--bg);
  border-color: var(--text);
  color: var(--text);
}

/* ── Victory Ending Card ────────────────────────────────────────────────── */

.ending-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: var(--panel-bg);
  border: 1px solid var(--border);
  padding: 2.25rem 1.75rem;
  border-radius: 14px;
  gap: 1.15rem;
  box-shadow: var(--shadow);
  margin-top: 2rem;
  animation: fadeIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.ending-badge {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.35rem 1.1rem;
  border-radius: 9999px;
}

.ending-win {
  background: #238636;
  color: #ffffff;
}

.ending-message {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-style: italic;
  max-width: 480px;
  margin: 0;
  line-height: 1.4;
}

.ending-stats {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--text-muted);
  margin: 0;
  background: var(--chip-bg);
  border: 1px solid var(--border);
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
}

.ending-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  margin-top: 0.25rem;
}

/* ── Page Footer & Language Selector ────────────────────────────────────── */

.page-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  margin-top: auto;
  padding-top: 2.5rem;
  padding-bottom: 1.5rem;
}

.lang-picker {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  color: var(--text-muted);
}

.lang-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  cursor: pointer;
  padding: 0.2rem 0.35rem;
  border-radius: 4px;
  transition: all 0.15s ease;
  opacity: 0.65;
}

.lang-btn:hover {
  opacity: 1;
  color: var(--text);
}

.lang-btn.active {
  opacity: 1;
  color: var(--accent);
  font-weight: 600;
}

.lang-sep {
  opacity: 0.35;
  font-size: 0.7rem;
  user-select: none;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.footer-link-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  opacity: 0.7;
  cursor: pointer;
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  transition: all 0.15s ease;
}

.footer-link-btn:hover {
  opacity: 1;
  color: var(--text);
}

/* ── Toast & Animations ─────────────────────────────────────────────────── */

.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  background: var(--panel-bg);
  border: 1px solid var(--accent);
  padding: 0.65rem 1.4rem;
  border-radius: 9999px;
  box-shadow: var(--shadow);
  transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 4000;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.toast.hidden {
  opacity: 0;
  transform: translate(-50%, 12px);
  pointer-events: none;
}

.fade-in {
  animation: fadeIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Overlays: About / Editor / QuickAI (Glassmorphism Backdrops) ───────── */

.about-overlay, .editor-overlay, .quickai-overlay {
  position: fixed;
  inset: 0;
  background: rgba(20, 17, 13, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  font-family: var(--font-sans);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  overflow-y: auto;
}

.about-overlay { z-index: 2500; }
.editor-overlay { z-index: 2000; }
.quickai-overlay { z-index: 3000; }

.about-overlay.hidden, .editor-overlay.hidden, .quickai-overlay.hidden {
  display: none;
}

.about-panel, .editor-panel, .quickai-panel {
  position: relative;
  width: 100%;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

.about-close-btn, .editor-close-btn, .quickai-close-btn {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 0.25rem;
  line-height: 1;
  transition: color 0.15s ease;
}

.about-close-btn:hover, .editor-close-btn:hover, .quickai-close-btn:hover {
  color: var(--text);
}

.about-title, .editor-title, .quickai-title {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 600;
  margin: 0;
  line-height: 1.2;
}

.about-tagline, .quickai-lead {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
  line-height: 1.45;
}

/* ── About Panel ────────────────────────────────────────────────────────── */

.about-panel {
  max-width: 480px;
  max-height: 85vh;
  overflow-y: auto;
  padding: 1.75rem;
}

.about-version {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.about-whats-new {
  margin-top: 1rem;
}

.about-whats-new-summary,
.about-whats-new-more-summary {
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
}

.about-whats-new-body {
  margin-top: 0.75rem;
}

.about-changelog-version {
  font-size: 0.82rem;
  font-weight: 600;
  margin-top: 0.9rem;
}

.about-changelog-date {
  font-weight: 400;
  color: var(--text-muted);
}

.about-changelog-lines {
  margin: 0.35rem 0 0 1.1rem;
  font-size: 0.8rem;
  color: var(--text);
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.about-whats-new-more {
  margin-top: 1rem;
}

.about-whats-new-older {
  margin-top: 0.5rem;
}

.about-copyright {
  margin-top: 1.5rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.about-mail {
  color: var(--accent);
  text-decoration: none;
}
.about-mail:hover {
  text-decoration: underline;
}

.about-note {
  margin-top: 0.75rem;
  font-size: 0.78rem;
  line-height: 1.55;
  color: var(--text-muted);
}

.about-note code {
  font-family: var(--font-sans);
  font-size: 0.92em;
  background: var(--chip-bg);
  padding: 0.05em 0.35em;
  border-radius: 4px;
}

.about-note a {
  color: var(--accent);
  text-decoration: none;
}
.about-note a:hover {
  text-decoration: underline;
}

.about-guide {
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

/* ── QuickAI / Create Flow ──────────────────────────────────────────────── */

.quickai-panel {
  max-width: 460px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 1.5rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.quickai-pro-card {
  background: var(--chip-bg);
  border: 1px solid var(--accent);
  border-radius: 12px;
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.quickai-pro-badge {
  align-self: flex-start;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.15rem 0.55rem;
  border-radius: 9999px;
}

.quickai-pro-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text);
  margin: 0;
}

.quickai-pro-desc {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.45;
  margin: 0;
}

.quickai-btn-pro {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
  width: 100%;
  margin-top: 0.25rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.75rem 1.25rem;
  border-radius: 9999px;
  cursor: pointer;
  border: 1px solid var(--accent);
  min-height: 44px;
  transition: all 0.2s ease;
}

.quickai-btn-pro:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.quickai-divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: 0.1rem 0;
  color: var(--text-muted);
  font-size: 0.75rem;
}

.quickai-divider::before,
.quickai-divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--border);
}

.quickai-divider span {
  padding: 0 0.75rem;
}

.quickai-field-label {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
}

.quickai-input,
.quickai-textarea {
  font-family: var(--font-sans);
  font-size: 1rem;
  padding: 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  outline: none;
  transition: border-color 0.2s ease;
}

.quickai-input:focus,
.quickai-textarea:focus {
  border-color: var(--accent);
}

.quickai-textarea {
  min-height: 110px;
  resize: vertical;
}

.quickai-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.quickai-status {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.quickai-error {
  font-size: 0.78rem;
  color: #cf222e;
  flex: 1;
}

.quickai-btn {
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 500;
  padding: 0.65rem 1.25rem;
  border-radius: 9999px;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--panel-bg);
  color: var(--text);
  min-height: 44px;
  transition: all 0.2s ease;
}

.quickai-btn-primary {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
  width: 100%;
}

.quickai-btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.quickai-btn-secondary {
  background: var(--panel-bg);
  color: var(--text);
  border-color: var(--border);
}

.quickai-btn-secondary:hover {
  background: var(--bg);
  border-color: var(--text);
}

.quickai-btn:disabled,
.quickai-link-btn:disabled,
.quickai-close-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.quickai-preview {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 1rem;
  border-radius: 10px;
  background: var(--chip-bg);
  border: 1px solid var(--border);
}

.quickai-badge {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
}

.quickai-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.quickai-play-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.quickai-switch-mode {
  text-align: center;
  margin: 0.5rem 0 0;
}

.quickai-link-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.8rem;
  text-decoration: underline;
  cursor: pointer;
  padding: 0.35rem;
  transition: color 0.15s ease;
}

.quickai-link-btn:hover {
  color: var(--accent);
}

.quickai-error-box {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 0.85rem;
  background: rgba(207, 34, 46, 0.08);
  border: 1px solid rgba(207, 34, 46, 0.25);
  border-radius: 8px;
}

/* ── Full Editor Panel ──────────────────────────────────────────────────── */

.editor-panel {
  max-width: 820px;
  max-height: 90vh;
  padding: 1.75rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.ed-fieldset {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
  background: var(--panel-bg);
}

.ed-fieldset legend {
  padding: 0 8px;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ed-fieldset label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

.ed-fieldset input,
.ed-fieldset select {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  outline: none;
}

.ed-fieldset input:focus,
.ed-fieldset select:focus {
  border-color: var(--accent);
}

.ed-help {
  color: var(--text-muted);
  font-style: italic;
  font-size: 0.85rem;
  margin: 0;
}

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

.ed-toolbar span {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ed-mode {
  border: 1px solid var(--border);
  background: var(--panel-bg);
  color: var(--text-muted);
  border-radius: 9999px;
  padding: 0.35rem 0.85rem;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  transition: all 0.15s ease;
}

.ed-mode:hover {
  color: var(--text);
  border-color: var(--text);
}

.ed-mode.active {
  border-color: var(--accent);
  background: var(--chip-bg);
  color: var(--accent);
  font-weight: 600;
}

.ed-grid {
  display: grid;
  gap: 2px;
  background: var(--border);
  border: 2px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  max-width: 380px;
  box-shadow: var(--shadow);
  padding: 2px;
}

.ed-cell {
  position: relative;
  aspect-ratio: 1 / 1;
  min-width: 0;
  background: var(--panel-bg);
  border: 0;
  padding: 0;
  border-radius: 2px;
}

.ed-cell.ed-black {
  background: var(--text);
  opacity: 0.92;
  cursor: pointer;
  width: 100%;
}

.ed-cell.ed-void {
  background: transparent;
  border: 1px dashed var(--border);
  opacity: 0.5;
  cursor: pointer;
  width: 100%;
}

.ed-cell input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  background: transparent;
  color: var(--text);
  text-align: center;
  font-size: 1.15rem;
  font-weight: 700;
  font-family: var(--font-serif);
  text-transform: uppercase;
  padding: 16% 0 0;
  outline: none;
}

.ed-subhead {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin: 0.5rem 0 0.25rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 4px;
}

.ed-clues {
  display: grid;
  gap: 6px;
}

.ed-clue {
  display: grid;
  grid-template-columns: 28px minmax(80px, auto) 1fr;
  gap: 8px;
  align-items: center;
  font-size: 0.9rem;
}

.ed-clue b {
  font-family: var(--font-sans);
  color: var(--accent);
  font-weight: 700;
}

.ed-word {
  font-family: var(--font-serif);
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 0.85rem;
  overflow-wrap: anywhere;
  color: var(--text);
}

.ed-clue input {
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.15s ease;
}

.ed-clue input:focus {
  border-color: var(--accent);
}

.ed-empty {
  color: var(--text-muted);
  font-style: italic;
  margin: 0;
}

.ed-errors {
  margin-top: 8px;
  border: 1px solid rgba(207, 34, 46, 0.4);
  background: rgba(207, 34, 46, 0.08);
  border-radius: 8px;
  padding: 10px 14px;
}

.ed-errors p {
  margin: 4px 0 0;
  color: #cf222e;
  font-size: 0.85rem;
}

.ed-status {
  color: var(--accent);
  font-size: 0.85rem;
  margin: 0;
}

.ed-actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
  flex-wrap: wrap;
}

.ed-actions-top {
  margin-top: 12px;
  margin-bottom: 4px;
}