/* ===== Theme variables ===== */
:root {
  --paper: #f4ecd9;
  --paper-deep: #e8dcc1;
  --paper-soft: #ede2c5;
  --paper-bg-translucent: rgba(244,236,217,.92);
  --ink: #1f1a14;
  --ink-soft: #5d5240;
  --ink-faint: #8a7f68;
  --rule: #c9b993;
  --rule-soft: #d8c8a3;
  --accent: #6f3a1d;
  --win: #2d6a3e;
  --loss: #a93232;
  --tie: #b08a25;
  --back-deep: #6f3a1d;
  --back-mid: #8e4d27;
  --back-foil: #f5e7c7;
  --bg-glow-1: 120,90,50;
  --bg-glow-alpha: .18;
  --era-classic-bg: var(--ink);
  --era-gfk-bg: var(--accent);
  --era-cfk-bg: #2c4f6a;
  --era-modern-bg: #1a4530;
  --era-fg: #fff;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bot: env(safe-area-inset-bottom, 0px);
}
[data-theme="dark"] {
  --paper: #15110d;
  --paper-deep: #1c1812;
  --paper-soft: #19140f;
  --paper-bg-translucent: rgba(21,17,13,.92);
  --ink: #f0e5c8;
  --ink-soft: #b8a988;
  --ink-faint: #7a6f5a;
  --rule: #4a3e2d;
  --rule-soft: #38301f;
  --accent: #e0a26a;
  --win: #6cd28d;
  --loss: #ea7a7a;
  --tie: #eac562;
  --back-deep: #4a2412;
  --back-mid: #6c3a1f;
  --back-foil: #f5e7c7;
  --bg-glow-1: 220,170,100;
  --bg-glow-alpha: .07;
  --era-cfk-bg: #4a7a9a;
  --era-modern-bg: #4a8e6a;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html, body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Iowan Old Style", "Palatino Linotype", "Hoefler Text", Georgia, serif;
  min-height: 100vh;
  padding-top: var(--safe-top);
  padding-bottom: var(--safe-bot);
}
body { overflow-x: hidden; }
body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse at 0% 0%, rgba(var(--bg-glow-1), var(--bg-glow-alpha)), transparent 50%),
    radial-gradient(ellipse at 100% 100%, rgba(var(--bg-glow-1), var(--bg-glow-alpha)), transparent 50%);
}

/* ===== Head ===== */
.head {
  position: sticky;
  top: var(--safe-top);
  z-index: 5;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: .65rem;
  padding: .3rem .65rem;
  background: var(--paper-bg-translucent);
  backdrop-filter: saturate(140%) blur(8px);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--rule);
  font-size: .95rem;
  min-height: 40px;
}
.head-btn {
  background: transparent; border: 0;
  color: var(--accent); text-decoration: none;
  font-size: 1.3rem; line-height: 1;
  padding: .35rem .5rem; cursor: pointer; font: inherit;
  border-radius: 6px;
  touch-action: manipulation;
  min-width: 38px; min-height: 38px;
  display: grid; place-items: center;
  transition: background .15s ease;
}
.head-btn:hover, .head-btn:active { background: rgba(111,58,29,.1); }
[data-theme="dark"] .head-btn:hover, [data-theme="dark"] .head-btn:active { background: rgba(224,162,106,.12); }
.head-theme { font-size: 1.15rem; }
.head-score {
  display: flex; align-items: baseline; justify-content: center;
  gap: .65rem; font-feature-settings: "tnum";
}
.head-side { display: flex; align-items: baseline; gap: .35rem; }
.head-side-label {
  font-variant: small-caps; letter-spacing: .12em;
  font-size: .82rem; color: var(--ink-soft);
}
.head-num {
  font-size: 1.45rem; font-weight: 700;
  min-width: 1.2rem; text-align: center;
  line-height: 1;
}
.head-mid {
  display: flex; align-items: baseline; gap: .25rem;
  color: var(--ink-soft);
  font-variant: small-caps; letter-spacing: .08em;
  font-size: .85rem;
}
.head-pot { color: var(--accent); }

/* ===== Board ===== */
main#board {
  max-width: 44rem;
  margin: 0 auto;
  padding: 2rem .9rem 1.5rem;
  display: grid;
  grid-template-rows: auto auto auto;
  gap: .4rem;
  position: relative;
  z-index: 1;
}

.midslot {
  min-height: 3rem;
  display: grid; place-items: center;
  position: relative;
}

/* ===== Card ===== */
:root { --card-h: 17rem; }
.card {
  width: 100%;
  border: 1.5px solid var(--ink);
  border-radius: 12px;
  background: var(--paper);
  box-shadow: 0 1px 0 rgba(0,0,0,.05), 0 6px 18px rgba(40,30,15,.18);
  overflow: hidden;
  display: flex; flex-direction: column;
  height: var(--card-h);   /* both cards always same fixed height */
  position: relative;
}
.card-front { flex: 1; min-height: 0; }
.card-stats { flex: 1; min-height: 0; grid-auto-rows: 1fr; }
[data-theme="dark"] .card { box-shadow: 0 1px 0 rgba(0,0,0,.4), 0 8px 22px rgba(0,0,0,.55); }
#opp-card { border-color: var(--ink); }
#you-card { border-color: var(--ink); }

.card-front { display: flex; flex-direction: column; }
.card-back { height: 100%; }
.card-loading { padding: 1.5rem; text-align: center; color: var(--ink-faint); margin: auto; }

.card-back {
  background: repeating-linear-gradient(45deg, var(--back-mid) 0 10px, var(--back-deep) 10px 20px);
  border-color: var(--back-deep) !important;
  color: var(--back-foil);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  padding: 1rem 1.5rem;
  gap: 1rem;
}
.card-back .back-emblem {
  width: 4.4rem; height: 4.4rem; border-radius: 50%;
  border: 3px solid var(--back-foil); background: var(--back-deep);
  display: grid; place-items: center;
  font-family: serif; font-size: 2.6rem; font-weight: 700;
  text-shadow: 0 2px 0 rgba(0,0,0,.3);
  flex-shrink: 0;
}
.card-back .back-center { display: flex; flex-direction: column; align-items: center; gap: .25rem; }
.card-back .back-title {
  font-variant: small-caps; letter-spacing: .25em;
  font-size: 1.05rem; font-weight: 700;
}
.card-back .back-sub {
  font-variant: small-caps; letter-spacing: .15em;
  font-size: .8rem; color: rgba(245,231,199,.75);
}
.card-back .back-meta {
  font-variant: small-caps; letter-spacing: .12em;
  font-size: .8rem; color: rgba(245,231,199,.85);
  text-align: right;
  background: rgba(0,0,0,.18);
  padding: .25rem .55rem;
  border-radius: 6px;
  white-space: nowrap;
}
.card-back .back-meta strong {
  display: block; font-size: 1.1rem; line-height: 1.1;
  color: #fff; font-feature-settings: "tnum";
}

/* Card head */
.card-head {
  display: grid;
  grid-template-columns: minmax(0,1fr) auto;
  align-items: center;
  gap: .8rem;
  padding: .6rem .95rem;
  border-bottom: 1.5px solid var(--ink);
  background: var(--paper-soft);
}
.card-head-l { min-width: 0; }
.card-mfr {
  font-size: .76rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--ink-faint); line-height: 1;
}
.card-model {
  font-size: 1.35rem; line-height: 1.05; margin: .15rem 0 0;
  font-weight: 700;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.card-head-r { display: flex; flex-direction: column; align-items: flex-end; gap: .22rem; text-align: right; }
.card-meta-line { font-size: .8rem; color: var(--ink-soft); display: flex; gap: .4rem; align-items: baseline; flex-wrap: wrap; justify-content: flex-end; }
.meta-designer { font-style: italic; }
.meta-year { font-feature-settings: "tnum"; color: var(--ink-faint); }
.era {
  text-transform: uppercase; letter-spacing: .12em;
  background: var(--era-classic-bg); color: var(--era-fg);
  padding: .08rem .5rem;
  border-radius: 3px; font-size: .72rem; font-weight: 600;
}
.era.gfk { background: var(--era-gfk-bg); }
.era.cfk { background: var(--era-cfk-bg); }
.era.modern { background: var(--era-modern-bg); }

/* Stat grid */
.card-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-auto-rows: minmax(56px, auto);
  position: relative;
  background: var(--paper);
}
.card-stats::before {
  content: ""; position: absolute;
  top: 0; bottom: 0; left: 50%;
  width: 1px; background: var(--rule-soft);
  pointer-events: none; z-index: 0;
}
.stat-row {
  display: flex; flex-direction: column; justify-content: center;
  padding: .5rem .95rem;
  background: var(--paper);
  cursor: pointer;
  position: relative;
  user-select: none; -webkit-user-select: none;
  touch-action: manipulation;
  min-height: 56px;
  transition: background .15s ease;
  z-index: 1;
}
.stat-row.locked { cursor: default; }
.card-stats > .stat-row:nth-child(n+3) { border-top: 1px dashed var(--rule); }
@media (hover: hover) {
  .stat-row:hover:not(.locked) { background: var(--paper-soft); }
}
.stat-row:active:not(.locked) { background: var(--paper-deep); }
.stat-row .stat-label {
  font-size: .8rem; letter-spacing: .04em;
  color: var(--ink-soft); display: flex; align-items: baseline; gap: .25rem;
  text-transform: uppercase;
}
.stat-row .stat-label .arrow { color: var(--ink-faint); font-size: .78rem; }
.stat-row .stat-val {
  font-feature-settings: "tnum";
  font-size: 1.25rem; font-weight: 700; line-height: 1.15;
  margin-top: .15rem;
}
.stat-row .stat-unit { color: var(--ink-faint); font-size: .82rem; font-weight: 400; margin-left: .15rem; }

.stat-row.last-played {
  background: rgba(255,250,220,.85);
  box-shadow: inset 0 0 0 1.5px var(--accent);
  z-index: 2;
}
[data-theme="dark"] .stat-row.last-played { background: rgba(70,55,30,.6); }
.stat-row.last-played::after {
  content: ""; position: absolute; right: .55rem; top: .4rem;
  width: 1.2rem; height: 1.2rem; border-radius: 50%;
  display: grid; place-items: center;
  font-family: system-ui, sans-serif; font-size: .78rem; font-weight: 700;
  color: #fff; line-height: 1;
}
.stat-row.last-played.win::after { content: "✓"; background: var(--win); }
.stat-row.last-played.loss::after { content: "✗"; background: var(--loss); }
.stat-row.last-played.tie::after { content: "="; background: var(--tie); }
.stat-row.last-played.win .stat-val { color: var(--win); }
.stat-row.last-played.loss .stat-val { color: var(--loss); }
.stat-row.last-played.tie .stat-val { color: var(--tie); }

.card-foot {
  padding: .4rem .95rem;
  border-top: 1px solid var(--rule);
  background: var(--paper-soft);
  display: flex; justify-content: space-between; align-items: center;
  font-size: .76rem; color: var(--ink-faint);
}
.card-foot .index-pill {
  background: var(--ink); color: var(--paper);
  padding: .14rem .5rem; border-radius: 3px;
  font-variant: small-caps; letter-spacing: .1em;
  font-size: .72rem; white-space: nowrap;
}

.card.thinking { animation: thinking 1.4s ease-in-out infinite; }
@keyframes thinking {
  0%,100% { box-shadow: 0 1px 0 rgba(0,0,0,.05), 0 6px 18px rgba(40,30,15,.18); }
  50%     { box-shadow: 0 1px 0 rgba(0,0,0,.05), 0 6px 22px rgba(111,58,29,.4), 0 0 0 2px rgba(111,58,29,.25); }
}
[data-theme="dark"] .card.thinking { animation-name: thinkingDark; }
@keyframes thinkingDark {
  0%,100% { box-shadow: 0 1px 0 rgba(0,0,0,.4), 0 8px 22px rgba(0,0,0,.55); }
  50%     { box-shadow: 0 1px 0 rgba(0,0,0,.4), 0 8px 26px rgba(224,162,106,.35), 0 0 0 2px rgba(224,162,106,.3); }
}

/* ===== Status pill ===== */
.status-pill {
  background: var(--paper);
  border: 1.5px solid var(--ink);
  border-radius: 999px;
  padding: .45rem .95rem .45rem .55rem;
  display: inline-flex; align-items: center; gap: .55rem;
  box-shadow: 0 3px 0 rgba(0,0,0,.08), 0 8px 18px rgba(40,30,15,.25);
  animation: pillIn .26s cubic-bezier(.2,1.4,.3,1);
  pointer-events: none;
  max-width: calc(100% - 1rem);
}
[data-theme="dark"] .status-pill { box-shadow: 0 3px 0 rgba(0,0,0,.5), 0 8px 18px rgba(0,0,0,.6); }
.status-pill[hidden] { display: none; }
.status-pill.fading { animation: pillOut .32s ease forwards; }
@keyframes pillIn {
  from { transform: translateY(6px) scale(.94); opacity: 0; }
  to   { transform: none; opacity: 1; }
}
@keyframes pillOut {
  to { transform: translateY(4px); opacity: 0; }
}
.status-icon {
  width: 1.7rem; height: 1.7rem; border-radius: 50%;
  display: grid; place-items: center;
  font-family: system-ui, sans-serif; font-weight: 700; font-size: .95rem;
  color: #fff;
  background: var(--ink-faint);
  flex-shrink: 0;
}
.status-text {
  font-variant: small-caps; letter-spacing: .1em;
  font-weight: 700; font-size: .92rem;
  white-space: nowrap;
  color: var(--ink);
}
.status-pill.win .status-icon { background: var(--win); }
.status-pill.win .status-text { color: var(--win); }
.status-pill.loss .status-icon { background: var(--loss); }
.status-pill.loss .status-text { color: var(--loss); }
.status-pill.tie .status-icon { background: var(--tie); }
.status-pill.tie .status-text { color: var(--tie); }
.status-pill.thinking .status-icon { background: var(--accent); animation: dot 1.1s ease-in-out infinite; }
@keyframes dot {
  0%,100% { transform: scale(1); }
  50%     { transform: scale(.8); opacity: .6; }
}

/* ===== Game-over dialog ===== */
dialog.game-over {
  border: 1.5px solid var(--ink);
  border-radius: 14px;
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  padding: 1.5rem 1.6rem;
  max-width: 22rem;
  width: calc(100% - 2rem);
  box-shadow: 0 20px 60px rgba(40,30,15,.4);
}
[data-theme="dark"] dialog.game-over { box-shadow: 0 20px 60px rgba(0,0,0,.7); }
dialog::backdrop { background: rgba(0,0,0,.55); }
.game-over h2 { margin: 0 0 .4rem; font-variant: small-caps; }
.game-over p { margin: 0 0 1rem; color: var(--ink-soft); line-height: 1.45; }
.game-over button {
  background: var(--accent); color: var(--paper);
  border: 0; border-radius: 8px;
  padding: .7rem 1.1rem; font: inherit; font-weight: 600;
  cursor: pointer; min-height: 44px; touch-action: manipulation;
}
[data-theme="dark"] .game-over button { color: #1a1612; }
.game-over button:hover, .game-over button:active { filter: brightness(1.1); }

/* ===== Narrow phones ===== */
@media (max-width: 380px) {
  .card-model { font-size: 1.2rem; }
  .stat-row { padding: .45rem .7rem; min-height: 52px; }
  .stat-row .stat-val { font-size: 1.15rem; }
  .stat-row .stat-label { font-size: .76rem; letter-spacing: .03em; }
  .card-head { padding: .5rem .7rem; }
  .card-foot { padding: .35rem .7rem; font-size: .72rem; }
  :root { --card-h: 15.5rem; }
  main#board { padding: 1.5rem .65rem 1.5rem; gap: .35rem; }
  .head-num { font-size: 1.3rem; }
  .head-side-label { font-size: .76rem; }
}

/* ===== Wider screens — let the cards spread out ===== */
@media (min-width: 700px) {
  :root { --card-h: 19rem; }
  main#board { padding: 2.5rem 1.2rem; gap: .65rem; }
  .card-model { font-size: 1.55rem; }
  .stat-row { min-height: 64px; padding: .6rem 1.1rem; }
  .stat-row .stat-val { font-size: 1.4rem; }
  .stat-row .stat-label { font-size: .85rem; }
  .head { padding: .35rem 1rem; font-size: 1rem; }
  .head-num { font-size: 1.6rem; }
  .head-side-label { font-size: .9rem; }
  .head-mid { font-size: .92rem; }
  .card-mfr { font-size: .82rem; }
  .card-foot { font-size: .82rem; }
}