/* Mahjong: ivory tiles on a jade table. */

:root {
  --table: #2f7a55;
  --table-edge: #1f5a3d;
  --tile: #fbf7ea;
  --tile-side: #d9cfb3;
  --tile-deep: #a8997a;
  --sel: #ffcf3d;
  --hint: #3fb7e8;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --table: #1f4a36;
    --table-edge: #133024;
  }
}
:root[data-theme='dark'] {
  --table: #1f4a36;
  --table-edge: #133024;
}
:root[data-theme='hallows'] {
  --table: #2a2140;
  --table-edge: #140e24;
  --tile: #f4e8cc;
  --tile-side: #c7b28a;
  --tile-deep: #7a6440;
  --sel: #f08a24;
}
:root[data-theme='hallows'] .hw-candle {
  display: none;
}
:root[data-theme='hallows'] .title-main {
  font-family: var(--font-display);
  letter-spacing: 0;
}
body {
  min-height: var(--app-height);
  padding: var(--safe-top) var(--safe-right) var(--safe-bottom) var(--safe-left);
}
#announce {
  margin: 0;
  top: 0;
}
.app {
  display: flex;
  flex-direction: column;
  height: calc(var(--app-height) - var(--safe-top) - var(--safe-bottom));
  min-height: 520px;
  max-width: 520px;
  margin: 0 auto;
}
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px 6px;
}
.title-btn {
  appearance: none;
  border: 0;
  background: none;
  text-align: left;
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 12px;
  color: var(--text);
  min-width: 0;
}
.title-btn:hover {
  background: var(--accent-soft);
}
.title-main {
  display: block;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.title-main::after {
  content: ' ▾';
  font-size: 0.7em;
  color: var(--text-muted);
}
.title-sub {
  display: block;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.8rem;
}
.score {
  display: flex;
  gap: 8px;
}
.chip {
  min-width: 64px;
  text-align: center;
  padding: 6px 12px;
  border-radius: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
}
.chip small {
  display: block;
  font-size: 0.66rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}
.chip b {
  display: block;
  font-size: 1.3rem;
  font-variant-numeric: tabular-nums;
}

.stage {
  flex: 1 1 0;
  min-height: 0;
  display: grid;
  place-items: center;
  padding: 10px 8px;
  margin: 0 8px;
  border-radius: 20px;
  background: radial-gradient(ellipse at 50% 40%, var(--table), var(--table-edge));
  box-shadow: inset 0 4px 20px rgba(0, 0, 0, 0.35);
}
.board {
  position: relative;
}
.tile {
  --d: calc(var(--u) * 0.25);
  position: absolute;
  left: calc(var(--x) * var(--u) + (var(--zmax) - var(--z)) * var(--d));
  top: calc(var(--y) * var(--u) * 1.3 + (var(--zmax) - var(--z)) * var(--d));
  width: calc(var(--u) * 2);
  height: calc(var(--u) * 2.6);
  appearance: none;
  border: 0;
  padding: 0;
  border-radius: calc(var(--u) * 0.28);
  background: linear-gradient(150deg, #fff, var(--tile) 45%);
  box-shadow: calc(var(--d) * 0.5) calc(var(--d) * 0.5) 0 var(--tile-side), var(--d) var(--d) 0 var(--tile-deep), calc(var(--d) * 1.4) calc(var(--d) * 1.6) calc(var(--d) * 2) rgba(0, 0, 0, 0.35);
  cursor: pointer;
  transition: transform 0.12s ease, opacity 0.25s ease, filter 0.2s ease;
}
.tile[hidden] {
  display: none;
}
.tile-face {
  position: absolute;
  inset: 5%;
  display: block;
}
.tile-face svg {
  width: 100%;
  height: 100%;
  display: block;
}
.tile.blocked .tile-face {
  filter: saturate(0.55) brightness(0.9);
}
.tile.blocked {
  background: linear-gradient(150deg, #efe9d8, #ddd3bb 60%);
  cursor: default;
}
.tile.sel {
  transform: translate(calc(var(--d) * -0.6), calc(var(--d) * -0.8));
  background: linear-gradient(150deg, #fff, color-mix(in srgb, var(--sel) 45%, var(--tile)));
  box-shadow: 0 0 0 3px var(--sel), var(--d) var(--d) 0 var(--tile-deep), 0 8px 18px rgba(0, 0, 0, 0.4);
}
.tile.hint {
  box-shadow: 0 0 0 3px var(--hint), var(--d) var(--d) 0 var(--tile-deep);
  animation: glow 1s ease-in-out infinite;
}
.tile.gone {
  opacity: 0;
  transform: scale(1.15) translateY(-10%);
  pointer-events: none;
}
.tile.nope {
  animation: nope 0.25s ease;
}
@keyframes glow {
  50% {
    filter: brightness(1.12);
  }
}
@keyframes nope {
  25% {
    translate: -3px 0;
  }
  75% {
    translate: 3px 0;
  }
}
@media (prefers-reduced-motion: reduce) {
  .tile,
  .tile.hint,
  .tile.nope {
    transition: none;
    animation: none;
  }
}
.results .stamp {
  opacity: 1;
  transform: none;
}
/* ---------- Toolbar and menus ---------- */

.toolbar {
  display: flex;
  justify-content: center;
  gap: 6px;
  padding: 6px 8px 10px;
}
.tool {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--text);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  min-width: 64px;
  min-height: 50px;
  padding: 6px 8px;
  border-radius: 14px;
  font-size: 0.76rem;
  font-weight: 600;
  cursor: pointer;
}
.tool:hover:not(:disabled) {
  background: var(--accent-soft);
}
.tool:disabled {
  opacity: 0.38;
}
.menu-list {
  display: grid;
  gap: 10px;
}
.menu-card {
  appearance: none;
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  text-align: left;
  padding: 14px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  cursor: pointer;
}
.menu-card .menu-icon {
  display: grid;
  place-items: center;
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
}
.menu-card b {
  display: block;
  font-size: 1.05rem;
}
.menu-card small {
  color: var(--text-muted);
}
.menu-row {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}
.menu-row .btn {
  flex: 1;
}
@media (prefers-reduced-motion: reduce) {
  .row.reveal .pegs .peg {
    animation: none;
  }
}
/* Landscape phones: every pixel of height goes to the table. */
@media (max-height: 560px) {
  .app {
    min-height: 0;
  }
  .topbar {
    padding: 4px 14px 2px;
  }
  .title-sub {
    display: none;
  }
  .chip {
    padding: 2px 10px;
  }
  .chip b {
    font-size: 1rem;
  }
  .toolbar {
    padding: 2px 8px 4px;
  }
  .tool {
    min-height: 40px;
    flex-direction: row;
  }
}