/**
 * App layout and components — theme-agnostic (--t-* only).
 * Modern, engaging UI with motion and clear hierarchy. No emojis.
 */

/* Staggered entrance */
@keyframes enter-up {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes enter-in {
  from {
    opacity: 0;
    transform: scale(0.98);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.layout {
  max-width: 1400px;
  margin: 0 auto;
  padding: clamp(1rem, 3vw, 2rem);
  display: grid;
  grid-template-rows: auto 1fr;
  gap: clamp(1rem, 3vw, 1.5rem);
  min-height: 100vh;
}

.header-entrance {
  animation: enter-up 0.5s ease forwards;
}
.controls-entrance {
  animation: enter-up 0.5s 0.06s ease forwards;
  opacity: 0;
}
.main-entrance {
  animation: enter-up 0.5s 0.12s ease forwards;
  opacity: 0;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: clamp(0.75rem, 2vw, 1.25rem);
  border-bottom: 2px solid var(--t-border);
  position: relative;
}
.header::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 4rem;
  height: 2px;
  background: var(--t-accent);
  border-radius: 1px;
  animation: enter-in 0.4s 0.2s ease forwards;
  opacity: 0;
}

.header-inner {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}

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

/* Letter color palette — vivid, game-title energy */
:root {
  --lc-0: #f43f5e;
  --lc-1: #fb923c;
  --lc-2: #facc15;
  --lc-3: #4ade80;
  --lc-4: #38bdf8;
  --lc-5: #818cf8;
  --lc-6: #e879f9;
  --lc-7: #f43f5e;
  --lc-8: #fb923c;
  --lc-9: #4ade80;
}

@keyframes title-letter-in {
  0% {
    opacity: 0;
    transform: translateY(-0.6em) rotate(-10deg) scale(0.7);
  }
  65% {
    transform: translateY(0.08em) rotate(3deg) scale(1.08);
  }
  82% {
    transform: translateY(-0.03em) rotate(-1deg) scale(0.97);
  }
  100% {
    opacity: 1;
    transform: translateY(0) rotate(0deg) scale(1);
  }
}

@keyframes letter-float {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-5px); }
}

.title {
  font-family: 'Cinzel', Georgia, serif;
  font-weight: 700;
  margin: 0 0 0.35rem 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  line-height: 1;
}

.title-possessive {
  display: flex;
  align-items: baseline;
  gap: 0;
  margin-bottom: 0.05em;
}

.title-main-line {
  display: flex;
  align-items: baseline;
  gap: 0;
}

.title-game-line {
  display: flex;
  align-items: baseline;
  gap: 0;
  margin-top: 0.1em;
  letter-spacing: 0.35em;
  text-transform: uppercase;
}

.title-word {
  display: inline-flex;
  align-items: baseline;
}

.title-letter {
  display: inline-block;
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  opacity: 0;
  color: var(--t-accent);
  text-shadow:
    0 3px 0 rgba(0,0,0,0.35),
    0 6px 14px rgba(0,0,0,0.2);
  animation:
    title-letter-in 0.55s cubic-bezier(0.22, 1, 0.36, 1) calc(0.05s * var(--li, 0) + 0.05s) forwards,
    letter-float 2.8s ease-in-out calc(0.6s + 0.08s * var(--li, 0)) infinite;
  will-change: transform, opacity;
  cursor: default;
  transition: filter 0.2s ease, transform 0.2s ease;
}

.title-letter--sm {
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  text-shadow:
    0 2px 0 rgba(0,0,0,0.25),
    0 4px 8px rgba(0,0,0,0.15);
}

.title-letter--squish {
  margin-left: 0.18em;
}

/* Map --lc index to actual color via CSS */
.title-letter[style*="--lc:0"] { color: var(--lc-0); }
.title-letter[style*="--lc:1"] { color: var(--lc-1); }
.title-letter[style*="--lc:2"] { color: var(--lc-2); }
.title-letter[style*="--lc:3"] { color: var(--lc-3); }
.title-letter[style*="--lc:4"] { color: var(--lc-4); }
.title-letter[style*="--lc:5"] { color: var(--lc-5); }
.title-letter[style*="--lc:6"] { color: var(--lc-6); }
.title-letter[style*="--lc:7"] { color: var(--lc-7); }
.title-letter[style*="--lc:8"] { color: var(--lc-8); }
.title-letter[style*="--lc:9"] { color: var(--lc-9); }

.title-letter:hover {
  filter: brightness(1.3) drop-shadow(0 0 10px currentColor);
  transform: scale(1.25) translateY(-5px) rotate(-4deg);
  animation-play-state: paused, paused;
}

.subtitle {
  margin: 0;
  font-size: clamp(0.8125rem, 2vw, 0.9375rem);
  color: var(--t-muted);
  font-style: italic;
  letter-spacing: 0.02em;
}

/* Settings toggle button */
.settings-toggle-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  padding: 0.625rem 0.875rem;
  border: 2px solid var(--t-border);
  border-radius: 0.75rem;
  background: var(--t-panel);
  color: var(--t-ink);
  font-family: var(--t-font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
  box-shadow: 0 2px 0 var(--t-border), 0 4px 12px var(--t-shadow);
}
.settings-toggle-btn:hover {
  border-color: var(--t-accent);
  color: var(--t-accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 0 var(--t-accent), 0 8px 20px var(--t-shadow);
}
.settings-toggle-btn svg {
  transition: transform 0.4s ease;
}
.settings-toggle-btn:hover svg {
  transform: rotate(45deg);
}

/* Settings drawer */
.settings-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  backdrop-filter: blur(3px);
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.settings-overlay.open {
  opacity: 1;
  visibility: visible;
}

.settings-drawer {
  position: fixed;
  top: 0;
  right: 0;
  height: 100%;
  width: min(340px, 90vw);
  background: var(--t-panel);
  border-left: 2px solid var(--t-border);
  box-shadow: -8px 0 32px var(--t-shadow);
  z-index: 201;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.32s cubic-bezier(0.22, 1, 0.36, 1);
}
.settings-drawer.open {
  transform: translateX(0);
}

.settings-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--t-border);
  flex-shrink: 0;
}

.settings-drawer-title {
  font-family: var(--t-font-display);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--t-accent);
  letter-spacing: 0.06em;
}

.settings-close-btn {
  width: 2rem;
  height: 2rem;
  border: none;
  background: transparent;
  color: var(--t-muted);
  cursor: pointer;
  border-radius: 0.375rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, color 0.2s ease;
}
.settings-close-btn:hover {
  background: var(--t-cell);
  color: var(--t-ink);
}

.settings-drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.control-group {
  border: 2px solid var(--t-border);
  border-radius: 0.75rem;
  padding: 1rem 1.125rem;
  background-color: var(--t-panel);
  box-shadow: 0 2px 0 var(--t-border), 0 4px 12px var(--t-shadow);
  transition: border-color 0.2s ease, box-shadow 0.25s ease, transform 0.2s ease;
}
.control-group:hover {
  box-shadow: 0 3px 0 var(--t-border), 0 6px 20px var(--t-shadow);
  transform: translateY(-1px);
}
.control-group:focus-within {
  border-color: var(--t-accent);
  box-shadow: 0 3px 0 var(--t-accent), 0 6px 20px var(--t-shadow), 0 0 0 2px var(--t-cell-selected);
}

.control-group legend {
  font-family: var(--t-font-display);
  font-size: 0.8125rem;
  padding: 0 0.35rem;
  color: var(--t-accent);
}

.control-legend-with-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.theme-badge {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  background: var(--t-border);
  color: var(--t-muted);
}

.control-group label,
.control-group select {
  display: block;
  margin-top: 0.5rem;
}

.control-input {
  width: 100%;
  max-width: 5.5rem;
  padding: 0.5rem 0.625rem;
  border: 1px solid var(--t-border);
  border-radius: 0.375rem;
  font-family: inherit;
  font-size: 1rem;
  background-color: var(--t-grid);
  color: var(--t-ink);
  transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.15s ease;
}
.control-input:hover {
  border-color: var(--t-accent);
  transform: scale(1.02);
}
.control-input:focus {
  outline: none;
  border-color: var(--t-accent);
  box-shadow: 0 0 0 2px var(--t-cell-selected);
  transform: scale(1.02);
}

.control-select,
#themeSelect {
  width: 100%;
  padding: 0.5rem 0.625rem;
  border: 1px solid var(--t-border);
  border-radius: 0.375rem;
  font-family: inherit;
  font-size: 0.9375rem;
  background-color: var(--t-grid);
  color: var(--t-ink);
  cursor: pointer;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}
.control-select:hover,
#themeSelect:hover {
  border-color: var(--t-accent);
  transform: scale(1.01);
}
.control-select:focus,
#themeSelect:focus {
  outline: none;
  border-color: var(--t-accent);
  box-shadow: 0 0 0 2px var(--t-cell-selected);
}
.control-select,
#themeSelect {
  transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.15s ease;
}

.btn {
  padding: 0.625rem 1.25rem;
  border: none;
  border-radius: 0.5rem;
  font-family: var(--t-font-body);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
}
.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--t-ink), 0 0 0 4px var(--t-cell-selected);
}

.btn-primary {
  background-color: var(--t-accent);
  color: var(--t-accent-ink);
  margin-top: 0.25rem;
  position: relative;
  overflow: hidden;
}
.btn-primary::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 0%, rgba(255,255,255,0.12) 50%, transparent 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.btn-primary:hover {
  background-color: var(--t-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--t-shadow);
}
.btn-primary:hover::after {
  opacity: 1;
  animation: btn-shine 0.6s ease;
}
@keyframes btn-shine {
  from { transform: translateX(-100%); }
  to { transform: translateX(100%); }
}
.btn-primary:active {
  transform: translateY(0) scale(0.98);
}
.btn-primary:active::after {
  opacity: 0;
}

.btn-cta {
  padding: 0.875rem 1.5rem;
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: 0.75rem;
  margin-top: 0.5rem;
  box-shadow: 0 4px 0 var(--t-accent-hover), 0 8px 20px var(--t-shadow);
  transition: transform 0.15s ease, box-shadow 0.2s ease;
}
.btn-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 0 var(--t-accent-hover), 0 12px 28px var(--t-shadow);
}
.btn-cta:active {
  transform: translateY(2px);
  box-shadow: 0 2px 0 var(--t-accent-hover), 0 4px 12px var(--t-shadow);
}

.main {
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.game-area {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: clamp(1.25rem, 3vw, 2rem);
  width: 100%;
  max-width: 1200px;
}

@media (max-width: 860px) {
  .game-area {
    flex-direction: column;
    align-items: center;
  }
}

/* Toggle switch */
.control-toggle {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  margin-top: 0.625rem;
  cursor: pointer;
  user-select: none;
}

/* Hide the native checkbox but keep it in flow for :checked to work */
.control-toggle input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 0;
  height: 0;
  margin: 0;
  padding: 0;
  border: none;
  flex-shrink: 0;
}

.toggle-track {
  flex-shrink: 0;
  position: relative;
  width: 2.75rem;
  height: 1.5rem;
  border-radius: 999px;
  background: rgba(128, 128, 128, 0.35);
  transition: background 0.22s ease, box-shadow 0.22s ease;
}

.control-toggle input:checked + .toggle-track {
  background: var(--t-accent);
  box-shadow: 0 0 0 3px var(--t-cell-selected);
}

.toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 1.125rem;
  height: 1.125rem;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,0.3);
  transition: left 0.22s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.control-toggle input:checked + .toggle-track .toggle-thumb {
  left: calc(100% - 21px);
}

.control-toggle:hover .toggle-track {
  background: rgba(128, 128, 128, 0.5);
}

.control-toggle input:checked:hover + .toggle-track {
  background: var(--t-accent-hover);
}

.control-toggle input:focus-visible + .toggle-track {
  outline: 2px solid var(--t-accent);
  outline-offset: 2px;
}

.toggle-label {
  font-size: 0.875rem;
  color: var(--t-ink);
  line-height: 1.4;
}

.grid-wrapper {
  --cols: 12;
  position: relative;
  flex-shrink: 0;
  width: min(52vw, 560px);
  transition: opacity 0.25s ease;
  filter: drop-shadow(0 8px 24px var(--t-shadow));
}

@media (max-width: 860px) {
  .grid-wrapper {
    width: min(92vw, 560px);
  }
}

.reveal-overlay {
  position: absolute;
  inset: 0;
  display: block;
  pointer-events: none;
  border-radius: 0.75rem;
  overflow: hidden;
}

.reveal-path {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(var(--cols), 1fr);
  gap: 3px;
  padding: 6px;
}

.reveal-cell {
  aspect-ratio: 1;
  min-width: 0;
  border-radius: 0.375rem;
  background: transparent;
}
.reveal-cell-on {
  background: var(--reveal-color);
}
.reveal-path .reveal-cell-on[data-color="0"] { --reveal-color: rgba(239, 68, 68, 0.45); }
.reveal-path .reveal-cell-on[data-color="1"] { --reveal-color: rgba(34, 197, 94, 0.45); }
.reveal-path .reveal-cell-on[data-color="2"] { --reveal-color: rgba(59, 130, 246, 0.45); }
.reveal-path .reveal-cell-on[data-color="3"] { --reveal-color: rgba(234, 179, 8, 0.5); }
.reveal-path .reveal-cell-on[data-color="4"] { --reveal-color: rgba(168, 85, 247, 0.45); }
.reveal-path .reveal-cell-on[data-color="5"] { --reveal-color: rgba(236, 72, 153, 0.45); }
.reveal-path .reveal-cell-on[data-color="6"] { --reveal-color: rgba(20, 184, 166, 0.45); }
.reveal-path .reveal-cell-on[data-color="7"] { --reveal-color: rgba(249, 115, 22, 0.5); }

.puzzle-grid {
  display: grid;
  grid-template-columns: repeat(var(--cols), 1fr);
  gap: 3px;
  border: 3px solid var(--t-border);
  border-radius: 1rem;
  padding: 10px;
  background: var(--t-grid);
  box-shadow:
    0 6px 0 var(--t-border),
    0 10px 30px var(--t-shadow),
    inset 0 1px 0 rgba(255,255,255,0.06);
  transition: box-shadow 0.25s ease, opacity 0.3s ease;
  animation: grid-fade-in 0.35s ease;
}
@keyframes grid-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.puzzle-cell {
  --i: 0;
  aspect-ratio: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--t-font-display);
  font-size: clamp(0.7rem, 3.2vw, 1.05rem);
  font-weight: 500;
  background-color: var(--t-cell);
  border: 1px solid var(--t-border);
  border-radius: 0.375rem;
  cursor: pointer;
  user-select: none;
  color: var(--t-ink);
  transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  animation: cell-in 0.3s ease backwards;
  animation-delay: calc(0.012s * var(--i, 0));
}
@keyframes cell-in {
  from {
    opacity: 0;
    transform: scale(0.92);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}
.puzzle-cell:hover {
  background-color: var(--t-cell-hover);
  border-color: var(--t-accent);
  transform: scale(1.05);
}
.puzzle-cell:focus-visible {
  outline: none;
  border-color: var(--t-accent);
  box-shadow: 0 0 0 2px var(--t-cell-selected);
}
/* Selection heat animations */
@keyframes sel-cold-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
  50%       { box-shadow: 0 0 8px 3px rgba(239, 68, 68, 0.55); }
}
@keyframes sel-hot-burst {
  0%   { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0); transform: scale(1.04); }
  40%  { box-shadow: 0 0 18px 8px rgba(74, 222, 128, 0.7); transform: scale(1.12); }
  70%  { box-shadow: 0 0 28px 14px rgba(74, 222, 128, 0.4); transform: scale(1.08); }
  100% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0); transform: scale(1.04); }
}
@keyframes sel-found-flash {
  0%   { background: rgba(74, 222, 128, 0.9); transform: scale(1.14); box-shadow: 0 0 24px 8px rgba(74, 222, 128, 0.8); }
  60%  { background: rgba(74, 222, 128, 0.5); transform: scale(1.06); }
  100% { background: var(--t-cell-selected); transform: scale(1.04); }
}

.puzzle-cell.selected {
  background-color: var(--t-cell-selected);
  border-color: var(--t-accent);
  color: var(--t-ink);
  transform: scale(1.04);
  transition: background-color 0.12s ease, border-color 0.12s ease, box-shadow 0.12s ease, transform 0.12s ease;
}

/* Cold: no match — red pulse */
.puzzle-cell.sel-cold {
  background-color: rgba(239, 68, 68, 0.18) !important;
  border-color: rgba(239, 68, 68, 0.7) !important;
  color: #fca5a5 !important;
  animation: sel-cold-pulse 0.7s ease-in-out infinite !important;
}

/* Warm: partial match — green glow scales with --sel-heat */
.puzzle-cell.selected:not(.sel-cold):not(.sel-hot):not(.sel-found-flash) {
  /* Base warm green, intensity driven by CSS variable */
  background-color: color-mix(
    in srgb,
    rgba(74, 222, 128, 0.75) calc(var(--sel-heat, 0) * 100%),
    var(--t-cell-selected) calc((1 - var(--sel-heat, 0)) * 100%)
  );
  border-color: color-mix(
    in srgb,
    #4ade80 calc(var(--sel-heat, 0) * 100%),
    var(--t-accent) calc((1 - var(--sel-heat, 0)) * 100%)
  );
  box-shadow: 0 0 calc(var(--sel-heat, 0) * 20px) calc(var(--sel-heat, 0) * 8px)
    rgba(74, 222, 128, calc(var(--sel-heat, 0) * 0.65));
  transform: scale(calc(1.04 + var(--sel-heat, 0) * 0.06));
}

/* Hot: exact match — burst animation */
.puzzle-cell.sel-hot {
  background-color: rgba(74, 222, 128, 0.85) !important;
  border-color: #4ade80 !important;
  color: #052e16 !important;
  animation: sel-hot-burst 0.5s ease-out forwards !important;
}

/* Found flash: word completed */
.puzzle-cell.sel-found-flash {
  animation: sel-found-flash 0.55s ease-out forwards !important;
  color: #052e16 !important;
  border-color: #4ade80 !important;
  z-index: 2;
}

/* ── Word found animations ── */

@keyframes word-absorb {
  0%   { transform: scaleX(1) scaleY(1); }
  40%  { transform: scaleX(0.92) scaleY(0.88); filter: brightness(1.4); }
  100% { transform: scaleX(1) scaleY(1); }
}
@keyframes word-check-pop {
  0%   { transform: scale(0) rotate(-30deg); opacity: 0; }
  60%  { transform: scale(1.35) rotate(6deg); opacity: 1; }
  80%  { transform: scale(0.9) rotate(-2deg); }
  100% { transform: scale(1) rotate(0deg); opacity: 1; }
}
@keyframes word-graphic-spin {
  0%   { transform: rotateY(-90deg) scale(0); opacity: 0; }
  60%  { transform: rotateY(15deg) scale(1.15); opacity: 1; }
  100% { transform: rotateY(-12deg) rotateX(8deg) scale(1); opacity: 1; }
}
@keyframes word-strike {
  0%   { text-decoration-color: transparent; }
  100% { text-decoration-color: var(--t-found); }
}
@keyframes word-found-glow {
  0%   { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); }
  30%  { box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.5), 0 4px 20px rgba(52, 211, 153, 0.35); }
  100% { box-shadow: 0 2px 8px var(--t-shadow); }
}
@keyframes particle-burst {
  0%   { transform: rotate(var(--pa)) translateX(0) scale(1); opacity: 1; }
  100% { transform: rotate(var(--pa)) translateX(var(--pd)) scale(0); opacity: 0; }
}
@keyframes progress-text-pop {
  0%   { transform: scale(1); }
  35%  { transform: scale(1.18); color: var(--t-found); }
  65%  { transform: scale(0.95); }
  100% { transform: scale(1); }
}
@keyframes word-label-cross {
  0%   { width: 0; }
  100% { width: 100%; }
}

.word-found-absorb {
  animation: word-absorb 0.18s ease-out forwards;
}

.word-found-glow {
  animation: word-found-glow 0.8s ease-out forwards !important;
  border-color: var(--t-found) !important;
}

.word-label-strike {
  position: relative;
  text-decoration: line-through;
  text-decoration-color: var(--t-found);
  color: var(--t-found);
  transition: color 0.2s ease;
}

.word-check-pop {
  animation: word-check-pop 0.45s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.found-graphic-spin {
  animation: word-graphic-spin 0.5s cubic-bezier(0.22, 1, 0.36, 1) 0.05s forwards;
  opacity: 0;
}

/* Particle burst — fixed position elements */
.found-particle {
  position: fixed;
  top: 0;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--pc, #4ade80);
  pointer-events: none;
  z-index: 9999;
  transform: translate(var(--px), var(--py));
  animation: particle-burst 0.55s cubic-bezier(0.22, 0.61, 0.36, 1) var(--pi, 0s) forwards;
}

.progress-text-pop {
  display: inline-block;
  animation: progress-text-pop 0.45s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.word-list-section {
  flex: 1;
  min-width: 0;
  background-color: var(--t-panel);
  border: 2px solid var(--t-border);
  border-radius: 1rem;
  padding: 1.5rem 1.75rem;
  box-shadow: 0 3px 0 var(--t-border), 0 8px 24px var(--t-shadow);
  transition: box-shadow 0.25s ease, transform 0.2s ease;
}
.word-list-section:hover {
  box-shadow: 0 4px 0 var(--t-border), 0 12px 32px var(--t-shadow);
}
.word-list-section:focus-within {
  box-shadow: 0 4px 0 var(--t-accent), 0 12px 32px var(--t-shadow);
}

.word-list-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.word-list-title {
  font-family: var(--t-font-display);
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0;
  color: var(--t-accent);
}

.progress-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  background: var(--t-cell);
  border: 2px solid var(--t-border);
  box-shadow: 0 2px 8px var(--t-shadow);
  transition: border-color 0.3s ease, background 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.progress-badge-updated {
  border-color: var(--t-accent);
  background: var(--t-cell-selected);
  box-shadow: 0 4px 14px var(--t-shadow);
}

.progress-badge-complete {
  border-color: var(--t-found);
  background: var(--t-found);
  color: #fff;
  box-shadow: 0 4px 16px var(--t-shadow);
  animation: progress-pop 0.5s ease;
}

@keyframes progress-pop {
  0% { transform: scale(1); }
  30% { transform: scale(1.08); }
  60% { transform: scale(0.98); }
  100% { transform: scale(1); }
}

.progress-text {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--t-muted);
  margin: 0;
  transition: color 0.25s ease;
}

.progress-badge-updated .progress-text {
  color: var(--t-accent);
}

.progress-badge-complete .progress-text {
  color: #fff;
  text-shadow: 0 1px 2px rgba(0,0,0,0.15);
}

.progress-track {
  height: 4px;
  background-color: var(--t-border);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 1rem;
}

.progress-bar {
  height: 100%;
  width: 0%;
  background: var(--t-accent);
  border-radius: 2px;
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.word-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem 0.875rem;
}

.word-item {
  transition: opacity 0.25s ease, transform 0.2s ease;
}
.word-item:nth-child(1) { animation: enter-in 0.35s 0.05s ease forwards; opacity: 0; }
.word-item:nth-child(2) { animation: enter-in 0.35s 0.08s ease forwards; opacity: 0; }
.word-item:nth-child(3) { animation: enter-in 0.35s 0.11s ease forwards; opacity: 0; }
.word-item:nth-child(4) { animation: enter-in 0.35s 0.14s ease forwards; opacity: 0; }
.word-item:nth-child(5) { animation: enter-in 0.35s 0.17s ease forwards; opacity: 0; }
.word-item:nth-child(6) { animation: enter-in 0.35s 0.2s ease forwards; opacity: 0; }
.word-item:nth-child(7) { animation: enter-in 0.35s 0.23s ease forwards; opacity: 0; }
.word-item:nth-child(8) { animation: enter-in 0.35s 0.26s ease forwards; opacity: 0; }
.word-item:nth-child(9) { animation: enter-in 0.35s 0.29s ease forwards; opacity: 0; }
.word-item:nth-child(n+10) { animation: enter-in 0.35s 0.32s ease forwards; opacity: 0; }

.word-item-card {
  display: inline-flex;
  align-items: center;
  background: var(--t-cell);
  border: 1px solid var(--t-border);
  border-radius: 0.5rem;
  padding: 0.375rem 0.625rem;
  gap: 0.5rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.word-item.found .word-item-card {
  border-color: var(--t-found);
  background: var(--t-cell-selected);
  box-shadow: 0 2px 8px var(--t-shadow);
}

.word-item-content {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.word-label-wrap {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.word-label {
  font-weight: 500;
  color: var(--t-ink);
  transition: color 0.2s ease;
}
.word-item.found .word-label {
  color: var(--t-found);
}

.word-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.word-check-icon {
  width: 0.875rem;
  height: 0.875rem;
  border: 2px solid var(--t-found);
  border-radius: 50%;
  background: transparent;
  position: relative;
}
.word-check-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 40%;
  width: 0.25rem;
  height: 0.4rem;
  border: solid var(--t-found);
  border-width: 0 0 2px 2px;
  transform: translate(-50%, -50%) rotate(-45deg);
}

/* 3D found graphics — 10 variants, one chosen at random per word */
.found-graphic {
  display: inline-block;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 4px;
  transform: rotateY(-12deg) rotateX(8deg);
  transform-style: preserve-3d;
  box-shadow:
    2px 2px 0 rgba(0,0,0,0.15),
    4px 4px 8px rgba(0,0,0,0.12);
  transition: transform 0.25s ease;
}
.word-item-card:hover .found-graphic {
  transform: rotateY(-4deg) rotateX(4deg) scale(1.1);
}
.found-graphic-0 {
  background: linear-gradient(145deg, #fbbf24 0%, #d97706 50%, #92400e 100%);
  border-radius: 50%;
  box-shadow: 2px 2px 0 rgba(0,0,0,0.2), 4px 6px 10px rgba(0,0,0,0.15);
}
.found-graphic-1 {
  background: linear-gradient(145deg, #34d399 0%, #059669 50%, #047857 100%);
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
  box-shadow: 2px 2px 0 rgba(0,0,0,0.18), 5px 5px 12px rgba(0,0,0,0.12);
}
.found-graphic-2 {
  background: linear-gradient(145deg, #60a5fa 0%, #2563eb 50%, #1d4ed8 100%);
  border-radius: 3px;
  box-shadow: 3px 3px 0 rgba(0,0,0,0.2), 6px 6px 14px rgba(0,0,0,0.14);
}
.found-graphic-3 {
  background: linear-gradient(145deg, #c084fc 0%, #7c3aed 50%, #5b21b6 100%);
  clip-path: polygon(50% 0%, 100% 38%, 82% 100%, 18% 100%, 0% 38%);
  box-shadow: 2px 3px 0 rgba(0,0,0,0.2), 4px 8px 12px rgba(0,0,0,0.15);
}
.found-graphic-4 {
  background: linear-gradient(145deg, #f472b6 0%, #db2777 50%, #9d174d 100%);
  border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  box-shadow: 2px 2px 0 rgba(0,0,0,0.18), 5px 5px 10px rgba(0,0,0,0.12);
}
.found-graphic-5 {
  background: linear-gradient(145deg, #2dd4bf 0%, #0d9488 50%, #115e59 100%);
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  box-shadow: 2px 2px 0 rgba(0,0,0,0.2), 4px 6px 12px rgba(0,0,0,0.14);
}
.found-graphic-6 {
  background: linear-gradient(145deg, #fb923c 0%, #ea580c 50%, #c2410c 100%);
  border-radius: 0.25rem;
  box-shadow: 3px 3px 0 rgba(0,0,0,0.22), 6px 6px 14px rgba(0,0,0,0.15);
}
.found-graphic-7 {
  background: linear-gradient(145deg, #a78bfa 0%, #6d28d9 50%, #4c1d95 100%);
  clip-path: polygon(30% 0%, 70% 0%, 100% 30%, 100% 70%, 70% 100%, 30% 100%, 0% 70%, 0% 30%);
  box-shadow: 2px 2px 0 rgba(0,0,0,0.2), 5px 5px 11px rgba(0,0,0,0.13);
}
.found-graphic-8 {
  background: linear-gradient(145deg, #fcd34d 0%, #f59e0b 50%, #b45309 100%);
  clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
  box-shadow: 2px 3px 0 rgba(0,0,0,0.2), 4px 7px 12px rgba(0,0,0,0.14);
}
.found-graphic-9 {
  background: linear-gradient(145deg, #67e8f9 0%, #06b6d4 50%, #0e7490 100%);
  border-radius: 50%;
  box-shadow: 2px 2px 0 rgba(0,0,0,0.18), 0 0 0 1px rgba(255,255,255,0.2) inset, 5px 5px 12px rgba(0,0,0,0.12);
}

.lookup-btn {
  padding: 0.35rem 0.625rem;
  font-size: 0.8125rem;
  border: 1px solid var(--t-border);
  border-radius: 0.375rem;
  background-color: var(--t-grid);
  color: var(--t-accent);
  cursor: pointer;
  font-family: inherit;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.lookup-btn:hover {
  background-color: var(--t-cell-selected);
  border-color: var(--t-accent);
}
.lookup-btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--t-cell-selected);
}

.lookup-hint {
  margin: 0.875rem 0 0 0;
  font-size: 0.9375rem;
  color: var(--t-muted);
}

/* Modal — smooth open/close */
.lookup-modal {
  position: fixed;
  inset: 0;
  background: var(--t-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
  backdrop-filter: blur(4px);
}
.lookup-modal.open {
  opacity: 1;
  visibility: visible;
}
.lookup-modal[hidden] {
  display: none !important;
}
.lookup-modal.open[hidden] {
  display: flex !important;
}

.lookup-dialog {
  background-color: var(--t-panel);
  border-radius: 0.75rem;
  border: 1px solid var(--t-border);
  box-shadow: 0 24px 48px var(--t-shadow);
  max-width: 420px;
  width: 100%;
  max-height: 85vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: scale(0.96);
  transition: transform 0.25s ease;
}
.lookup-modal.open .lookup-dialog {
  transform: scale(1);
}

.lookup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.125rem 1.25rem;
  border-bottom: 1px solid var(--t-border);
}

.lookup-title {
  font-family: var(--t-font-display);
  font-size: 1.375rem;
  margin: 0;
  color: var(--t-accent);
}

.lookup-close {
  width: 2.25rem;
  height: 2.25rem;
  border: none;
  background: transparent;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--t-muted);
  cursor: pointer;
  border-radius: 0.375rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s ease, color 0.2s ease;
}
.lookup-close:hover {
  background-color: var(--t-cell);
  color: var(--t-ink);
}
.lookup-close:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--t-accent);
}

.lookup-body {
  padding: 1.125rem 1.25rem;
  overflow-y: auto;
  flex: 1;
  color: var(--t-ink);
}
.lookup-body p {
  margin: 0 0 0.625rem 0;
}
.lookup-pos {
  color: var(--t-muted);
  margin-right: 0.25rem;
}
.lookup-loading {
  color: var(--t-muted);
  font-style: italic;
}
.lookup-error {
  color: #b91c1c;
}
.lookup-sources {
  margin-top: 0.75rem;
  font-size: 0.9375rem;
}

.lookup-footer {
  padding: 0.875rem 1.25rem;
  border-top: 1px solid var(--t-border);
}

.lookup-wiktionary {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--t-accent);
  text-decoration: none;
  padding: 0.375rem 0.75rem;
  border: 1px solid var(--t-accent);
  border-radius: 0.5rem;
  transition: background 0.2s ease, color 0.2s ease;
}
.lookup-wiktionary:hover {
  background: var(--t-accent);
  color: var(--t-accent-ink);
}