/* Memory — illustrated cards on a quiet card table. Table and UI colours
   arrive as custom properties from themes.js; card geometry (--cw, --ch, --r)
   is set on the board by app.js. */

:root {
  --bg-a: #efe7d8;
  --bg-b: #d9ccb4;
  --vignette: rgba(90, 70, 40, 0.22);
  --spot: rgba(255, 252, 244, 0.55);
  --ink: #2f2820;
  --ink-soft: #76695a;
  --tile: rgba(255, 253, 248, 0.5);
  --tile-border: rgba(255, 255, 255, 0.65);
  --btn-bg: rgba(255, 253, 248, 0.62);
  --btn-hover: rgba(255, 253, 248, 0.9);
  --btn-border: rgba(70, 50, 30, 0.15);
  --hover: rgba(70, 50, 30, 0.08);
  --accent: #2d4f3b;
  --accent-2: #4b7a5d;
  --accent-ink: #fbf6ea;
  --glow: #e3bf62;
  --paper: #faf6ee;
  --paper-2: #efe8da;
  --sheet-ink: #2f2820;
  --sheet-ink-soft: #76695a;
  --line: rgba(70, 50, 30, 0.13);
  --track: #cfc5b3;
  --backdrop: rgba(40, 30, 18, 0.4);
  --toast-bg: rgba(47, 40, 32, 0.94);
  --toast-ink: #fff8ec;
  --shadow: 60, 40, 20;
  --p1: #c8573a;
  --p2: #2f7f9a;
  --chart-line: #2d4f3b;
  --chart-dot: #c79a3a;
  --flip: 420ms;
  --ease: cubic-bezier(0.4, 0.1, 0.2, 1);
  --ease-out: cubic-bezier(0.2, 0.8, 0.25, 1);
  --flip-ease: cubic-bezier(0.35, 0.05, 0.2, 1);
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html, body {
  height: 100%;
  margin: 0;
  overflow: hidden;
  overscroll-behavior: none;
}

body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg-b);
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  -webkit-text-size-adjust: 100%;
  -webkit-touch-callout: none;
}

#sprite-host { position: absolute; width: 0; height: 0; overflow: hidden; }

/* --------------------------------------------------------------- table */
.table {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: var(--table-img) 0 0 / var(--table-size) var(--table-size) repeat, var(--bg-a);
  transition: background-color 0.6s;
}
.table::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 48%, var(--spot), transparent 70%);
}
.table::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 120% 100% at 50% 45%, transparent 55%, var(--vignette) 100%);
}
:root[data-theme="walnut"] .table { background-size: var(--table-size) calc(var(--table-size) * 0.75); }

/* -------------------------------------------------------------- layout */
.app {
  position: fixed;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  max-width: 1180px;
  margin: 0 auto;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

.top {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas: "brand menu" "stats stats";
  align-items: center;
  column-gap: 12px;
  padding: 10px 16px 0;
}
.brand { grid-area: brand; display: flex; align-items: center; gap: 10px; min-width: 0; }
.brand img { width: 40px; height: 40px; flex: 0 0 auto; filter: drop-shadow(0 2px 3px rgba(var(--shadow), 0.35)); }
.brand span { display: flex; flex-direction: column; line-height: 1.1; min-width: 0; }
.brand b { font-family: var(--serif); font-weight: 600; font-size: 23px; letter-spacing: 0.02em; }
.brand small { font-size: 11px; color: var(--ink-soft); letter-spacing: 0.09em; text-transform: uppercase; margin-top: 3px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.menu { grid-area: menu; display: flex; gap: 2px; }

.icon-btn {
  appearance: none;
  border: 0;
  background: transparent;
  color: inherit;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}
.icon-btn:hover { background: var(--hover); }
.icon-btn:active { transform: scale(0.92); }
.icon-btn svg, .btn svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

.stats {
  grid-area: stats;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding: 10px 0 2px;
}
.stat {
  position: relative;
  background: var(--tile);
  border: 1px solid var(--tile-border);
  box-shadow: 0 1px 2px rgba(var(--shadow), 0.08);
  border-radius: 12px;
  padding: 6px 6px 5px;
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.15;
  min-width: 0;
  transition: box-shadow 0.35s, background 0.35s;
}
.stat span { font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-soft); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; }
.stat b { font-family: var(--serif); font-size: 20px; font-weight: 600; font-variant-numeric: tabular-nums; }
.stat b.bump { animation: bump 0.45s var(--ease-out); }
@keyframes bump { 40% { transform: scale(1.18); } }
.stat[data-player] span::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 5px;
  vertical-align: 0;
  background: var(--pc);
}
.stat[data-player].active { box-shadow: inset 0 0 0 2px var(--pc), 0 0 18px -4px var(--pc); }
.stats.duo { grid-template-columns: 1.3fr 1.3fr 1fr; }

.stage {
  position: relative;
  flex: 1;
  min-height: 0;
  touch-action: none;
}

.actions {
  display: flex;
  gap: 10px;
  padding: 4px 16px 14px;
}
.btn {
  appearance: none;
  flex: 1;
  border: 1px solid var(--btn-border);
  background: var(--btn-bg);
  color: var(--ink);
  font: 500 15px var(--sans);
  padding: 11px 12px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  box-shadow: 0 1px 2px rgba(var(--shadow), 0.1);
  transition: transform 0.15s, background 0.2s, opacity 0.2s, box-shadow 0.2s;
  min-height: 44px;
}
.btn svg { width: 19px; height: 19px; }
.btn:hover { background: var(--btn-hover); }
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.4; cursor: default; transform: none; }
.btn.primary {
  background: linear-gradient(180deg, var(--accent-2), var(--accent));
  color: var(--accent-ink);
  border-color: color-mix(in oklab, var(--accent) 70%, black);
  box-shadow: 0 4px 12px -4px rgba(var(--shadow), 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.28);
}
.btn.primary:hover { filter: brightness(1.06); }
.btn.subtle { flex: 0 0 auto; background: transparent; box-shadow: none; border-color: transparent; color: var(--sheet-ink-soft); font-size: 13.5px; margin: 18px auto 0; display: flex; }
.btn.wide { width: 100%; font-size: 16px; padding: 13px; }

/* --------------------------------------------------------------- board */
.board {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  outline: none;
  --cw: 60px;
  --ch: 80px;
  --r: 5px;
}
.card {
  position: absolute;
  left: 0;
  top: 0;
  width: var(--cw);
  height: var(--ch);
  cursor: pointer;
  transition: transform 0.6s var(--ease-out), opacity 0.45s;
  -webkit-touch-callout: none;
}
.board.instant .card, .board.instant .inner, .board.instant .lift { transition: none !important; animation: none !important; }
.lift {
  position: absolute;
  inset: 0;
  perspective: calc(var(--cw) * 5);
  transition: transform 0.35s var(--ease);
}
.shadow {
  position: absolute;
  inset: 3% 4% 0;
  border-radius: var(--r);
  box-shadow:
    0 calc(var(--cw) * 0.025) calc(var(--cw) * 0.04) rgba(var(--shadow), 0.32),
    0 calc(var(--cw) * 0.09) calc(var(--cw) * 0.14) calc(var(--cw) * -0.05) rgba(var(--shadow), 0.42);
  transition: opacity 0.4s;
}
.inner {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  transition: transform var(--flip) var(--flip-ease);
}
.card.up .inner { transform: rotateY(180deg); }
.face {
  position: absolute;
  inset: 0;
  border-radius: var(--r);
  overflow: hidden;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}
.face svg { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.front {
  transform: rotateY(180deg);
  background:
    radial-gradient(120% 90% at 28% 18%, rgba(255, 255, 255, 0.45), rgba(255, 255, 255, 0) 55%),
    radial-gradient(140% 120% at 50% 50%, rgba(0, 0, 0, 0) 62%, rgba(90, 60, 30, 0.12) 100%),
    var(--paper);
  box-shadow: inset 0 0 0 1px rgba(60, 40, 20, 0.12);
}
.front::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--veil, rgba(40, 30, 20, 0.2));
  opacity: 0;
  transition: opacity 0.6s 0.25s;
}
:root[data-theme="night"] .front::after { opacity: 0.12; }
.back { box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.18); background: var(--paper); }
.back::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: -100%;
  width: 300%;
  background: linear-gradient(112deg, rgba(255, 255, 255, 0) 40%, rgba(255, 255, 255, 0.2) 47%, rgba(255, 255, 255, 0.04) 52%, rgba(255, 255, 255, 0) 58%);
  transform: translateX(-12%);
  transition: transform 1.1s var(--ease);
  pointer-events: none;
}
@media (hover: hover) {
  .card:not(.up):hover .lift { transform: translateY(-2.5%); }
  .card:not(.up):hover .back::after { transform: translateX(12%); }
}
.board.shine .back::after { transform: translateX(14%); }

.ring {
  position: absolute;
  inset: -3px;
  border-radius: calc(var(--r) + 3px);
  border: 2px solid var(--glow);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s;
}

/* turning: the card lifts a little and its shadow narrows with it */
.card.flipping .lift { animation: lift var(--flip) var(--ease); }
.card.flipping .shadow { animation: shadowlift var(--flip) var(--ease); }
@keyframes lift { 50% { transform: translateY(-4%) scale(1.07); } }
@keyframes shadowlift { 50% { transform: translateY(8%) scaleX(0.5); opacity: 0.55; } }

/* a pair: pulse, then settle a touch smaller and quieter */
.card.done { cursor: default; }
.card.done .lift { transform: scale(0.93); opacity: 0.8; transition: transform 0.35s var(--ease), opacity 0.7s 0.35s; }
:root[data-theme="linen"] .card.done .lift { opacity: 0.72; }
.card.done .shadow { opacity: 0.5; }
.card.done .ring { opacity: 0.5; }
.card.done.p0 .ring { border-color: var(--p1); opacity: 0.85; }
.card.done.p1 .ring { border-color: var(--p2); opacity: 0.85; }
.card.match .lift { animation: pulse 0.62s var(--ease-out); }
.card.match .ring { animation: ringpop 0.9s var(--ease-out); }
@keyframes pulse { 0% { transform: scale(1); } 38% { transform: scale(1.1); } 100% { transform: scale(0.93); } }
@keyframes ringpop {
  0% { opacity: 0; transform: scale(0.94); }
  30% { opacity: 1; transform: scale(1.04); box-shadow: 0 0 18px 2px var(--glow); }
  100% { opacity: 0.5; transform: scale(1); box-shadow: 0 0 0 0 transparent; }
}

.card.hint .ring { opacity: 1; animation: hintpulse 1.05s ease-in-out infinite; }
.card.hint-soft .ring { opacity: 0.45; border-style: dashed; }
@keyframes hintpulse { 50% { box-shadow: 0 0 16px 3px var(--glow); transform: scale(1.03); } }
.card.kfocus .ring { opacity: 1; border-color: var(--ink); border-style: dashed; }

.card.wave .lift { animation: wave 0.75s var(--ease) both; animation-delay: var(--d, 0ms); }
@keyframes wave { 0% { transform: scale(0.93); } 40% { transform: translateY(-7%) scale(1.03); } 100% { transform: scale(0.93); } }
.card.wave .ring { animation: wavering 0.9s var(--ease) both; animation-delay: var(--d, 0ms); }
@keyframes wavering { 40% { opacity: 1; box-shadow: 0 0 14px 1px var(--glow); } }

/* ------------------------------------------------- labels, preview bar */
.labels { position: absolute; inset: 0; pointer-events: none; overflow: visible; z-index: 3; }
.tag {
  position: absolute;
  left: 0;
  top: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 4px 11px 5px;
  background: var(--paper);
  color: var(--sheet-ink);
  border-radius: 8px;
  box-shadow: 0 6px 16px -6px rgba(var(--shadow), 0.55), 0 0 0 1px rgba(120, 90, 50, 0.18);
  font: italic 500 14px/1.15 var(--serif);
  white-space: nowrap;
  animation: tag 1.9s var(--ease) forwards;
}
.tag.out { animation: tagout 0.25s var(--ease) forwards; }
@keyframes tagout { from { opacity: 1; transform: translate(var(--tx), calc(var(--ty) - 6px)); } to { opacity: 0; transform: translate(var(--tx), calc(var(--ty) - 14px)); } }
.tag small { font: 600 9.5px/1.2 var(--sans); letter-spacing: 0.11em; text-transform: uppercase; font-style: normal; color: #a67c1e; margin-top: 2px; display: flex; align-items: center; gap: 3px; }
.tag small svg { width: 10px; height: 10px; }
:root[data-theme="night"] .tag small { color: var(--glow); }
@keyframes tag {
  0% { opacity: 0; transform: translate(var(--tx), calc(var(--ty) + 8px)) scale(0.92); }
  14% { opacity: 1; transform: translate(var(--tx), var(--ty)) scale(1); }
  75% { opacity: 1; transform: translate(var(--tx), calc(var(--ty) - 6px)); }
  100% { opacity: 0; transform: translate(var(--tx), calc(var(--ty) - 14px)); }
}

.preview {
  position: fixed;
  left: 50%;
  bottom: calc(14px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--toast-bg);
  color: var(--toast-ink);
  font-size: 13px;
  white-space: nowrap;
  box-shadow: 0 8px 22px -8px rgba(0, 0, 0, 0.45);
  animation: fade 0.3s;
  pointer-events: none;
}
.preview span { font: italic 600 14px var(--serif); }
.app.previewing .actions { opacity: 0; pointer-events: none; transition: opacity 0.3s; }
.actions { transition: opacity 0.3s; }
.preview small { opacity: 0.7; font-size: 11.5px; }
.preview .bar { display: block; width: 72px; height: 4px; border-radius: 2px; background: color-mix(in oklab, var(--toast-ink) 22%, transparent); overflow: hidden; }
.preview .bar i { display: block; height: 100%; width: 100%; background: var(--glow); transform-origin: left; border-radius: 2px; }

/* -------------------------------------------------------- sheets, dialogs */
.backdrop {
  position: fixed;
  inset: 0;
  z-index: 20;
  background: var(--backdrop);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  animation: fade 0.25s;
}
@keyframes fade { from { opacity: 0; } }

.sheet {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0 auto;
  z-index: 21;
  max-width: 580px;
  max-height: 88dvh;
  display: flex;
  flex-direction: column;
  background: var(--paper);
  color: var(--sheet-ink);
  border-radius: 24px 24px 0 0;
  box-shadow: 0 -10px 40px rgba(var(--shadow), 0.3);
  padding-bottom: env(safe-area-inset-bottom);
  animation: rise 0.34s var(--ease-out);
  -webkit-user-select: text;
  user-select: text;
}
@keyframes rise { from { transform: translateY(40px); opacity: 0; } }
.sheet header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 12px 4px 22px;
  flex: 0 0 auto;
}
.sheet h2, .dialog h2 { font-family: var(--serif); font-weight: 600; font-size: 24px; margin: 0; letter-spacing: 0.01em; }
.sheet-body {
  overflow: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  padding: 2px 22px 24px;
  font-size: 15px;
  line-height: 1.55;
  touch-action: pan-y;
}
.sheet-foot { padding: 10px 22px 16px; border-top: 1px solid var(--line); flex: 0 0 auto; }
.sheet-body h3 { font-family: var(--serif); font-weight: 600; font-size: 17px; margin: 18px 0 8px; color: var(--sheet-ink); }
.sheet-body h3:first-child { margin-top: 6px; }
.prose p { margin: 0 0 12px; }
.prose ul { margin: 0; padding-left: 20px; }
.prose li { margin: 5px 0; }
.prose b { font-weight: 600; }
.muted { color: var(--sheet-ink-soft); }
.about { font-size: 13px; margin-top: 22px; text-align: center; }

@media (min-width: 700px) and (min-height: 600px) {
  .sheet {
    bottom: auto;
    top: 50%;
    transform: translateY(-50%);
    border-radius: 24px;
    max-height: 84dvh;
    animation: pop 0.3s var(--ease-out);
  }
}
@keyframes pop { from { opacity: 0; transform: translateY(-50%) scale(0.96); } }

.dialog {
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 22;
  width: min(92vw, 410px);
  max-height: 94dvh;
  overflow: auto;
  background: var(--paper);
  color: var(--sheet-ink);
  border-radius: 24px;
  padding: 24px 22px 20px;
  box-shadow: 0 20px 60px rgba(var(--shadow), 0.4);
  text-align: center;
  animation: popc 0.32s var(--ease-out);
}
@keyframes popc { from { opacity: 0; transform: translate(-50%, -50%) scale(0.94); } }
.dialog p { margin: 6px 0 16px; color: var(--sheet-ink-soft); font-size: 15.5px; line-height: 1.5; }
.dialog .row { display: flex; gap: 10px; }
.dialog .btn { color: var(--sheet-ink); background: var(--paper-2); border-color: var(--line); }
.dialog .btn.primary { color: var(--accent-ink); background: linear-gradient(180deg, var(--accent-2), var(--accent)); }
:root:not([data-theme="night"]) .dialog .btn.primary, :root:not([data-theme="night"]) .sheet .btn.primary {
  --accent: #2d4f3b;
  --accent-2: #4b7a5d;
  --accent-ink: #fbf6ea;
}
.result .glow {
  position: absolute;
  inset: -40% -20% auto;
  height: 70%;
  background: radial-gradient(ellipse at 50% 45%, color-mix(in oklab, var(--glow) 40%, transparent), transparent 65%);
  pointer-events: none;
}
.result-cards { position: relative; height: 92px; margin: -4px auto 8px; width: 150px; }
.result-cards svg { position: absolute; top: 4px; width: 62px; height: 83px; border-radius: 6px; box-shadow: 0 8px 18px -8px rgba(var(--shadow), 0.7), 0 0 0 1px rgba(60, 40, 20, 0.12); animation: deal 0.6s var(--ease-out) both; }
.result-cards svg:first-child { left: 18px; transform: rotate(-9deg); }
.result-cards svg:last-child { right: 18px; transform: rotate(8deg); animation-delay: 0.08s; }
@keyframes deal { from { opacity: 0; transform: translateY(14px) rotate(0); } }
.result h2 { position: relative; font-size: 28px; }
.result-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; margin-bottom: 12px; position: relative; }
.result-stats div, .summary div { display: flex; flex-direction: column; align-items: center; background: var(--paper-2); border-radius: 12px; padding: 7px 4px; line-height: 1.2; }
.result-stats span, .summary span { font-size: 10px; letter-spacing: 0.07em; text-transform: uppercase; color: var(--sheet-ink-soft); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; }
.result-stats b, .summary b { font-family: var(--serif); font-size: 19px; font-weight: 600; font-variant-numeric: tabular-nums; }
.summary small { font-size: 10px; color: var(--sheet-ink-soft); }
.score { display: flex; flex-direction: column; align-items: center; margin: 2px 0 12px; position: relative; }
.score span { font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--sheet-ink-soft); }
.score b { font-family: var(--serif); font-size: 42px; font-weight: 600; line-height: 1.05; }
.score em { font: 600 10.5px var(--sans); letter-spacing: 0.1em; text-transform: uppercase; color: #8a5a00; background: color-mix(in oklab, var(--glow) 45%, transparent); padding: 3px 9px; border-radius: 999px; margin-top: 4px; font-style: normal; }
:root[data-theme="night"] .score em { color: var(--glow); }
.training-note { font-size: 14px !important; margin-top: -2px !important; }

/* --------------------------------------------------------- new game sheet */
.decks { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.deck-opt, .size-opt, .mode-opt, .opt {
  appearance: none;
  border: 1.5px solid var(--line);
  background: var(--paper-2);
  color: var(--sheet-ink);
  cursor: pointer;
  font: inherit;
  transition: border-color 0.2s, background 0.2s, transform 0.15s, box-shadow 0.2s;
}
.deck-opt:active, .size-opt:active, .mode-opt:active, .opt:active { transform: scale(0.97); }
.deck-opt[aria-checked="true"], .size-opt[aria-checked="true"], .mode-opt[aria-checked="true"], .opt[aria-checked="true"] {
  border-color: var(--sel, #2d4f3b);
  background: var(--paper);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--sel, #2d4f3b) 22%, transparent);
}
:root[data-theme="night"] { --sel: #d9b968; }
.deck-opt { border-radius: 16px; padding: 10px 6px 8px; display: flex; flex-direction: column; align-items: center; gap: 6px; }
.deck-opt .fan { position: relative; width: 100%; height: 74px; }
.deck-opt .fan svg { position: absolute; top: 4px; left: 50%; width: 46px; height: 61px; margin-left: -23px; border-radius: 4px; box-shadow: 0 4px 10px -4px rgba(40, 25, 10, 0.55), 0 0 0 0.5px rgba(40, 25, 10, 0.25); }
.deck-opt .fan svg:nth-child(1) { transform: translateX(-17px) rotate(-12deg); }
.deck-opt .fan svg:nth-child(2) { transform: translateY(-3px); }
.deck-opt .fan svg:nth-child(3) { transform: translateX(17px) rotate(12deg); }
.deck-opt b { font: 600 14.5px var(--serif); }

.sizes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.size-opt { border-radius: 14px; padding: 9px 6px 8px; display: flex; flex-direction: column; align-items: center; gap: 4px; line-height: 1.2; }
.size-opt .mini { display: grid; gap: 1.5px; height: 40px; align-content: center; margin-bottom: 2px; }
.size-opt .mini i { width: 4.5px; height: 6px; border-radius: 1px; background: color-mix(in oklab, var(--sheet-ink) 45%, transparent); }
.size-opt[aria-checked="true"] .mini i { background: var(--sel, #2d4f3b); }
.size-opt b { font-size: 14px; font-weight: 600; }
.size-opt small { font-size: 11.5px; color: var(--sheet-ink-soft); }
.size-opt:disabled { opacity: 0.4; cursor: default; }
.note { font-size: 12.5px; color: var(--sheet-ink-soft); margin: 8px 2px 0; }

.modes { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.mode-opt { border-radius: 14px; padding: 10px 12px 11px; text-align: left; line-height: 1.3; display: flex; flex-direction: column; gap: 3px; }
.mode-opt b { font: 600 15px var(--serif); }
.mode-opt small { font-size: 12.5px; color: var(--sheet-ink-soft); }
.mode-opt em { font-style: normal; font-size: 11.5px; color: #8a6a1e; margin-top: 2px; }
:root[data-theme="night"] .mode-opt em { color: var(--glow); }

/* ---------------------------------------------------------- results */
.chips { display: flex; gap: 6px; overflow-x: auto; padding: 2px 2px 6px; margin: 0 -2px; scrollbar-width: none; touch-action: pan-x; }
.chips::-webkit-scrollbar { display: none; }
.chip { flex: 0 0 auto; border-radius: 999px; padding: 6px 12px; font-size: 13px; font-weight: 500; }
.summary { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; margin-top: 8px; }
.chart { position: relative; margin-top: 4px; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart .grid line { stroke: var(--line); stroke-width: 1; }
.chart .axis text { fill: var(--sheet-ink-soft); font: 10.5px var(--sans); }
.chart .avg { fill: none; stroke: var(--chart-line); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.chart .dot { fill: var(--chart-dot); stroke: var(--paper); stroke-width: 2; }
.chart .hit { fill: transparent; cursor: pointer; }
.chart .hit:hover + .dot, .chart .dot.on { r: 5.5; }
.chart-legend { display: flex; gap: 14px; font-size: 12px; color: var(--sheet-ink-soft); margin-top: 6px; }
.chart-legend i { display: inline-block; vertical-align: middle; margin-right: 5px; }
.chart-legend .l-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--chart-dot); }
.chart-legend .l-line { width: 16px; height: 2px; border-radius: 1px; background: var(--chart-line); }
.tip {
  position: absolute;
  top: 0;
  left: 0;
  transform: translate(-50%, calc(-100% - 10px));
  background: var(--toast-bg);
  color: var(--toast-ink);
  font-size: 12px;
  padding: 5px 9px;
  border-radius: 8px;
  white-space: nowrap;
  pointer-events: none;
  box-shadow: 0 6px 16px -6px rgba(0, 0, 0, 0.4);
}
table { width: 100%; border-collapse: collapse; font-size: 13.5px; font-variant-numeric: tabular-nums; }
th { text-align: left; vertical-align: bottom; font-weight: 500; color: var(--sheet-ink-soft); font-size: 10.5px; letter-spacing: 0.06em; text-transform: uppercase; padding: 4px; border-bottom: 1px solid var(--line); }
td { padding: 7px 4px; border-bottom: 1px solid var(--line); white-space: nowrap; vertical-align: middle; }
th.num, td.num { text-align: right; }
td.sc { font-family: var(--serif); font-weight: 600; font-size: 15px; }
td.mode { color: var(--sheet-ink-soft); font-size: 12.5px; }
@media (max-width: 420px) { th.mode, td.mode { display: none; } td { padding: 7px 3px; } .summary { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* ------------------------------------------------------------ settings */
.opts { display: flex; flex-wrap: wrap; gap: 8px; }
.opt {
  font: 500 14px var(--sans);
  padding: 8px 14px 8px 10px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 40px;
}
.opts.lang .opt { padding-left: 14px; min-width: 96px; justify-content: center; }
.swatch { display: inline-block; width: 24px; height: 24px; border-radius: 50%; flex: 0 0 auto; box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.2), 0 1px 2px rgba(0, 0, 0, 0.25); }
.toggle { display: flex; align-items: center; gap: 12px; margin-top: 20px; cursor: pointer; font-size: 15px; line-height: 1.35; }
.toggle input { position: absolute; opacity: 0; width: 0; height: 0; }
.toggle .track { flex: 0 0 auto; width: 46px; height: 28px; border-radius: 999px; background: var(--track); position: relative; transition: background 0.25s; }
.toggle .track::after { content: ""; position: absolute; top: 3px; left: 3px; width: 22px; height: 22px; border-radius: 50%; background: #fff; box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3); transition: transform 0.25s var(--ease); }
.toggle input:checked + .track { background: var(--sel, #2d4f3b); }
.toggle input:checked + .track::after { transform: translateX(18px); }
.toggle input:focus-visible + .track { outline: 2px solid var(--sel, #2d4f3b); outline-offset: 2px; }

/* ---------------------------------------------------------------- toast */
.toast {
  position: fixed;
  left: 50%;
  bottom: calc(84px + env(safe-area-inset-bottom));
  transform: translateX(-50%) translateY(10px);
  z-index: 15;
  background: var(--toast-bg);
  color: var(--toast-ink);
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 14px;
  max-width: min(88vw, 440px);
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s, transform 0.25s;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

button:focus-visible { outline: 2px solid var(--glow); outline-offset: 2px; }
button { touch-action: manipulation; }

/* ------------------------------------------------------- responsive */
@media (max-height: 680px) {
  .top { padding-top: 6px; }
  .brand small { display: none; }
  .brand b { font-size: 20px; }
  .stats { padding-top: 6px; }
  .stat { padding: 4px 6px 3px; }
  .stat b { font-size: 17px; }
  .actions { padding-bottom: 10px; }
}
@media (max-width: 520px) {
  .btn { flex-direction: column; gap: 3px; padding: 7px 6px 6px; font-size: 12.5px; }
  .btn span { white-space: nowrap; }
  .btn svg { width: 21px; height: 21px; }
  .btn.wide { flex-direction: row; font-size: 16px; padding: 13px; }
}
/* wide screens: the stats sit in the header row */
@media (min-width: 860px) and (min-height: 560px) {
  .top { grid-template-columns: auto 1fr auto; grid-template-areas: "brand stats menu"; padding-top: 14px; column-gap: 28px; }
  .stats { padding: 0; max-width: 520px; width: 100%; justify-self: center; }
  .brand b { font-size: 26px; }
  .actions { max-width: 560px; width: 100%; margin: 0 auto; padding-bottom: 18px; }
}
/* short landscape (phones on their side): controls move into a side column */
@media (orientation: landscape) and (max-height: 559px) {
  .app {
    display: grid;
    grid-template-columns: minmax(200px, 240px) 1fr;
    grid-template-rows: auto 1fr auto;
    grid-template-areas: "top stage" ". stage" "actions stage";
  }
  .top { grid-area: top; grid-template-columns: 1fr auto; grid-template-areas: "brand brand" "stats stats" "menu menu"; padding: 10px 6px 0 14px; row-gap: 6px; }
  .brand small { display: block; }
  .menu { justify-content: flex-start; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 6px; padding: 0; }
  .stats.duo { grid-template-columns: 1fr 1fr; }
  .stats.duo .stat:nth-child(3) { grid-column: span 2; }
  .stage { grid-area: stage; }
  .actions { grid-area: actions; flex-direction: column; padding: 0 6px 10px 14px; gap: 6px; }
  .btn { flex-direction: row; font-size: 13.5px; padding: 6px 10px; min-height: 40px; justify-content: flex-start; }
  .toast { bottom: 16px; }
  .preview { left: calc(14px + env(safe-area-inset-left)); transform: none; bottom: 12px; flex-wrap: wrap; max-width: 220px; white-space: normal; border-radius: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  .card, .lift, .ring, .sheet, .dialog, .backdrop, .tag, .stat b, .result-cards svg { animation: none !important; transition-duration: 0.01s !important; }
  .inner { transition: none !important; }
  .card.up .inner { transform: none; }
  .front { transform: none; opacity: 0; transition: opacity 0.18s !important; }
  .card.up .front { opacity: 1; }
  .card.up .back { opacity: 0; }
  .back { transition: opacity 0.18s !important; }
  .tag { animation: tagfade 1.8s linear forwards !important; transform: translate(var(--tx), var(--ty)); }
  @keyframes tagfade { 0%, 80% { opacity: 1; } 100% { opacity: 0; } }
}