:root {
  color-scheme: dark;
  --bg: #06111b;
  --bg-deep: #03090e;
  --surface: #10283a;
  --surface-2: #16374d;
  --surface-muted: #0a1c2a;
  --felt: #0c3a39;
  --felt-deep: #062b2d;
  --line: rgba(207, 235, 244, .14);
  --line-strong: rgba(180, 233, 233, .35);
  --text: #f1f8f7;
  --muted: #9ab5bb;
  --accent: #72e0ae;
  --accent-deep: #26986f;
  --gold: #f8ca73;
  --shadow: 0 18px 45px rgba(0, 0, 0, .28);
  --card-w: clamp(57px, 6vw, 82px);
  --card-h: calc(var(--card-w) * 1.38);
  --reserve-card-w: clamp(42px, 4.8vw, 61px);
  --reserve-card-h: calc(var(--reserve-card-w) * 1.38);
  --center-card-w: clamp(72px, 9vw, 118px);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #e7f0f1;
  --bg-deep: #d7e5e7;
  --surface: #fbffff;
  --surface-2: #eff8f8;
  --surface-muted: #e3f0f0;
  --felt: #cce6da;
  --felt-deep: #b8d8cc;
  --line: rgba(32, 79, 91, .16);
  --line-strong: rgba(25, 111, 103, .34);
  --text: #142c36;
  --muted: #607980;
  --accent: #118b63;
  --accent-deep: #087251;
  --gold: #a86d09;
  --shadow: 0 15px 35px rgba(47, 83, 90, .14);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    color-scheme: light;
    --bg: #e7f0f1;
    --bg-deep: #d7e5e7;
    --surface: #fbffff;
    --surface-2: #eff8f8;
    --surface-muted: #e3f0f0;
    --felt: #cce6da;
    --felt-deep: #b8d8cc;
    --line: rgba(32, 79, 91, .16);
    --line-strong: rgba(25, 111, 103, .34);
    --text: #142c36;
    --muted: #607980;
    --accent: #118b63;
    --accent-deep: #087251;
    --gold: #a86d09;
  }
}

* { box-sizing: border-box; }

html,
body {
  min-width: 320px;
  min-height: 100%;
  margin: 0;
}

html { background: var(--bg-deep); }

body {
  color: var(--text);
  background:
    radial-gradient(circle at 12% 0%, rgba(71, 145, 187, .24), transparent 30rem),
    radial-gradient(circle at 95% 5%, rgba(99, 214, 164, .12), transparent 28rem),
    radial-gradient(circle at 50% 100%, rgba(248, 202, 115, .08), transparent 35rem),
    var(--bg);
}

body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  content: "";
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, .025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .018) 1px, transparent 1px);
  background-size: 42px 42px;
}

button {
  min-height: 44px;
  border: 0;
  font: inherit;
  font-weight: 750;
  cursor: pointer;
}

button:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
}

button:disabled { cursor: default; }

.app-shell {
  display: grid;
  width: min(1600px, 100%);
  min-height: 100dvh;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  gap: 12px;
  margin: auto;
  padding: clamp(12px, 2vw, 26px);
}

.topbar,
.zone-heading,
.center-heading,
.reserve-title-row,
.hand-title,
.game-status,
.dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.topbar { align-items: flex-start; }
.brand-block { min-width: 0; }

.title-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  display: flex;
  width: 35px;
  height: 37px;
  align-items: flex-end;
  justify-content: center;
  gap: 3px;
  padding: 5px;
  border: 1px solid rgba(255, 255, 255, .17);
  border-radius: 10px;
  background: linear-gradient(145deg, #315c77, #142c42);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .18), 0 7px 15px rgba(0, 0, 0, .22);
}

.brand-mark i {
  display: block;
  width: 5px;
  border-radius: 5px;
  background: var(--gold);
}

.brand-mark i:nth-child(1) { height: 11px; }
.brand-mark i:nth-child(2) { height: 19px; background: var(--accent); }
.brand-mark i:nth-child(3) { height: 25px; }

.eyebrow,
.zone-kicker {
  margin: 0 0 3px;
  color: var(--accent);
  font-size: .68rem;
  font-weight: 850;
  letter-spacing: .13em;
  text-transform: uppercase;
}

h1,
h2,
p { margin-top: 0; }

h1 {
  margin-bottom: 0;
  font-size: clamp(1.45rem, 3vw, 2.2rem);
  letter-spacing: -.06em;
  line-height: .96;
}

h2 {
  margin: 0;
  font-size: clamp(1rem, 1.4vw, 1.3rem);
  letter-spacing: -.03em;
}

.header-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 7px;
}

.icon-button,
.new-button,
.close-button,
.inspect-button {
  border-radius: 11px;
  padding: 0 13px;
  color: var(--text);
  background: linear-gradient(180deg, color-mix(in srgb, var(--surface-2) 94%, white), var(--surface-2));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .1), inset 0 0 0 1px var(--line), 0 3px 8px rgba(0, 0, 0, .1);
  transition: transform .17s ease, filter .17s ease;
}

.icon-button:hover,
.close-button:hover,
.inspect-button:not(:disabled):hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

.icon-button { font-size: .78rem; }

.new-button {
  color: #082018;
  background: linear-gradient(135deg, #c1f6d8, #70dfb3 55%, #46c797);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .55), 0 6px 15px rgba(35, 160, 111, .27);
}

.new-button:hover {
  filter: saturate(1.08) brightness(1.04);
  transform: translateY(-1px);
}

.game-status {
  min-height: 54px;
  padding: 8px 13px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: linear-gradient(110deg, color-mix(in srgb, var(--surface) 94%, transparent), color-mix(in srgb, var(--surface-2) 86%, transparent));
  box-shadow: 0 8px 20px rgba(0, 0, 0, .13);
}

.turn-indicator {
  flex: 0 0 auto;
  padding: 8px 12px;
  border-radius: 999px;
  color: #092017;
  background: var(--accent);
  font-size: .82rem;
  font-weight: 900;
  white-space: nowrap;
}

.turn-indicator.ai-turn {
  color: #241a08;
  background: var(--gold);
}

.message {
  overflow: hidden;
  color: var(--muted);
  font-size: .9rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.table-layout {
  display: grid;
  min-height: 0;
  grid-template-rows: minmax(155px, .78fr) minmax(280px, 1.25fr) minmax(170px, .9fr);
  gap: 14px;
}

.player-zone,
.center-zone,
.how-to {
  border: 1px solid var(--line);
  border-radius: 19px;
  background: linear-gradient(145deg, color-mix(in srgb, var(--surface) 98%, white), var(--surface));
  box-shadow: var(--shadow);
}

.player-zone,
.center-zone {
  position: relative;
  min-width: 0;
  overflow: hidden;
  padding: clamp(12px, 1.6vw, 19px);
}

.player-zone::before,
.center-zone::before {
  position: absolute;
  top: 0;
  right: 10%;
  left: 10%;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
  content: "";
}

.ai-zone {
  background:
    radial-gradient(circle at 90% 0%, rgba(155, 142, 242, .19), transparent 24rem),
    linear-gradient(145deg, color-mix(in srgb, var(--surface) 98%, white), var(--surface));
}

.human-zone {
  background:
    radial-gradient(circle at 88% 0%, rgba(82, 219, 164, .16), transparent 24rem),
    linear-gradient(145deg, color-mix(in srgb, var(--surface) 98%, white), var(--surface));
}

.center-zone {
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(248, 202, 115, .15), transparent 27rem),
    radial-gradient(ellipse at 50% 100%, rgba(77, 214, 165, .08), transparent 20rem),
    linear-gradient(145deg, color-mix(in srgb, var(--surface) 98%, white), var(--surface));
}

.player-content {
  display: grid;
  min-height: 0;
  grid-template-columns: auto minmax(160px, 1fr) minmax(340px, 1.25fr);
  gap: clamp(13px, 2vw, 28px);
  align-items: start;
  margin-top: 10px;
}

.human-content {
  grid-template-columns: auto minmax(290px, 1.5fr) minmax(340px, 1.05fr);
}

.count-stack {
  display: grid;
  justify-items: end;
  gap: 4px;
}

.stock-count,
.reserve-count,
.completed-counter {
  padding: 5px 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  background: color-mix(in srgb, var(--surface-muted) 76%, transparent);
  font-size: .72rem;
  font-weight: 750;
  white-space: nowrap;
}

.reserve-count {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 30%, var(--line));
}

.completed-counter {
  color: var(--gold);
  border-color: color-mix(in srgb, var(--gold) 32%, var(--line));
}

.label {
  display: block;
  color: var(--muted);
  font-size: .72rem;
  font-weight: 820;
}

.hint {
  color: var(--muted);
  font-size: .68rem;
}

.stock-area {
  display: grid;
  gap: 5px;
}

.stock-slot {
  position: relative;
  display: grid;
  width: calc(var(--card-w) + 10px);
  min-height: calc(var(--card-h) + 10px);
  padding: 4px;
  place-items: center;
  border: 1px dashed var(--line-strong);
  border-radius: 12px;
  background: var(--surface-muted);
}

.stock-slot.empty-stock {
  color: var(--muted);
  font-size: .7rem;
  font-weight: 750;
}

.stack-count {
  position: absolute;
  z-index: 8;
  right: -7px;
  bottom: -7px;
  display: grid;
  width: 29px;
  height: 29px;
  place-items: center;
  border: 2px solid var(--surface);
  border-radius: 50%;
  color: #0b1c2a;
  background: var(--gold);
  font-size: .76rem;
  font-weight: 900;
}

.hand-area,
.reserve-wrap { min-width: 0; }

.hidden-hand {
  display: flex;
  min-height: var(--card-h);
  align-items: flex-end;
  margin-top: 5px;
  padding: 3px 3px 3px 5px;
  overflow: hidden;
  border: 1px dashed rgba(168, 160, 240, .36);
  border-radius: 12px;
  background: color-mix(in srgb, var(--surface-muted) 80%, transparent);
}

.hidden-hand .card {
  flex: 0 0 auto;
  margin-left: clamp(-25px, -2.4vw, -16px);
}

.hidden-hand .card:first-child { margin-left: 0; }

.hidden-hand-count {
  align-self: center;
  margin-left: 8px;
  color: var(--muted);
  font-size: .72rem;
  font-weight: 750;
  white-space: nowrap;
}

.transparent-back { opacity: 0; }

.hand-cards {
  display: flex;
  min-height: calc(var(--card-h) + 11px);
  gap: clamp(5px, 1vw, 11px);
  margin-top: 5px;
  padding: 5px;
  overflow-x: auto;
  border: 1px dashed color-mix(in srgb, var(--accent) 42%, var(--line));
  border-radius: 12px;
  background: var(--surface-muted);
  scrollbar-width: none;
}

.hand-cards::-webkit-scrollbar { display: none; }
.hand-cards .card { flex: 0 0 var(--card-w); }

.empty-hand {
  align-self: center;
  color: var(--muted);
  font-size: .72rem;
}

.reserve-title-row {
  gap: 5px;
  margin-bottom: 6px;
}

.reserve-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: clamp(4px, .7vw, 8px);
}

.reserve-pile {
  display: grid;
  min-width: 0;
  min-height: calc(var(--reserve-card-h) + 83px);
  grid-template-rows: auto 1fr auto;
  gap: 4px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--surface-muted);
  transition: border-color .16s ease, background .16s ease, transform .16s ease, box-shadow .16s ease;
}

.reserve-pile-head,
.center-pile-head {
  display: flex;
  justify-content: space-between;
  gap: 4px;
  color: var(--muted);
  font-size: .63rem;
  font-weight: 800;
}

.pile-card-count { color: var(--gold); }

.reserve-visual {
  position: relative;
  display: grid;
  min-width: 0;
  min-height: calc(var(--reserve-card-h) + 9px);
  place-items: end center;
  isolation: isolate;
}

.reserve-stack {
  position: relative;
  display: grid;
  width: calc(var(--reserve-card-w) + 9px);
  height: calc(var(--reserve-card-h) + 8px);
  place-items: start left;
  --under-card-color: #d9e7ed;
  --under-card-color-deep: #d9e7ed;
}

.reserve-stack.has-hidden-cards::before,
.reserve-stack.has-hidden-cards::after {
  position: absolute;
  width: var(--reserve-card-w);
  height: var(--reserve-card-h);
  border: 2px solid color-mix(in srgb, var(--under-card-color) 87%, white);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, .72), transparent 50%),
    var(--under-card-color);
  box-shadow:
    inset 0 0 0 1px rgba(18, 40, 56, .15),
    0 3px 0 rgba(3, 16, 30, .24);
  content: "";
  pointer-events: none;
}

.reserve-stack.has-hidden-cards::before {
  z-index: -2;
  border-color: color-mix(in srgb, var(--under-card-color-deep) 86%, white);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, .62), transparent 50%),
    var(--under-card-color-deep);
  transform: translate(8px, 7px);
}

.reserve-stack.has-hidden-cards::after {
  z-index: -1;
  transform: translate(4px, 4px);
}

.reserve-top-card {
  position: relative;
  z-index: 2;
}

.empty-reserve {
  align-self: center;
  color: var(--muted);
  font-size: .65rem;
  font-weight: 700;
}

.inspect-button {
  min-height: 29px;
  padding: 2px;
  color: var(--muted);
  background: rgba(255, 255, 255, .025);
  box-shadow: inset 0 0 0 1px var(--line);
  font-size: .62rem;
}

.inspect-button:disabled {
  cursor: not-allowed;
  opacity: .38;
}

.center-help {
  margin: 5px 0 13px;
  color: var(--muted);
  font-size: .8rem;
  line-height: 1.3;
}

.play-pile-grid {
  display: grid;
  min-height: 0;
  flex: 1;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: clamp(8px, 1.3vw, 17px);
}

.center-pile {
  display: grid;
  min-width: 0;
  min-height: 0;
  grid-template-rows: auto minmax(0, 1fr) auto auto;
  gap: 7px;
  padding: clamp(8px, 1vw, 12px);
  color: var(--text);
  text-align: left;
  border: 1px dashed var(--line-strong);
  border-radius: 15px;
  background:
    radial-gradient(circle at 50% 26%, rgba(255, 255, 255, .075), transparent 42%),
    linear-gradient(160deg, var(--felt), var(--felt-deep));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .06), inset 0 -12px 28px rgba(0, 0, 0, .13);
  transition: transform .16s ease, border-color .16s ease, background .16s ease, box-shadow .16s ease;
}

.center-pile:disabled {
  cursor: default;
  opacity: 1;
}

.center-card-space {
  display: grid;
  min-width: 0;
  min-height: 0;
  place-items: center;
}

.center-card-space .compact-card {
  width: min(var(--center-card-w), 100%);
  height: auto;
  min-height: 0;
  aspect-ratio: 1 / 1.38;
  padding: 8px;
  border-radius: 11px;
}

.center-card-space .compact-card .card-rank {
  font-size: clamp(1.45rem, 3vw, 3.1rem);
}

.center-card-space .compact-card .card-detail {
  display: block;
  font-size: .54rem;
}

.center-card-space .compact-card .corner-rank { font-size: .74rem; }

.start-label {
  color: rgba(226, 248, 240, .68);
  font-size: .71rem;
  font-weight: 750;
  line-height: 1.2;
  text-align: center;
}

.pile-progress {
  height: 6px;
  overflow: hidden;
  border-radius: 99px;
  background: rgba(0, 0, 0, .22);
}

.pile-progress::after {
  display: block;
  width: var(--progress);
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent-deep), var(--accent));
  box-shadow: 0 0 10px rgba(115, 223, 178, .45);
  content: "";
  transition: width .25s ease;
}

.needed-label {
  color: rgba(226, 248, 240, .72);
  font-size: .67rem;
  font-weight: 800;
  text-align: center;
}

.card {
  --card-background: #edf6ff;
  --card-ink: #10223a;
  position: relative;
  display: flex;
  width: var(--card-w);
  height: var(--card-h);
  min-height: 0;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  padding: 6px;
  color: var(--card-ink);
  text-align: left;
  border: 2px solid rgba(255, 255, 255, .79);
  border-radius: 9px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, .78), transparent 43%),
    linear-gradient(180deg, transparent 76%, rgba(0, 0, 0, .05)),
    var(--card-background);
  box-shadow: 0 3px 0 rgba(3, 16, 30, .28), 0 7px 14px rgba(0, 0, 0, .2);
  user-select: none;
}

.card::before {
  position: absolute;
  inset: 4px;
  border: 1px solid rgba(25, 51, 73, .13);
  border-radius: 6px;
  content: "";
  pointer-events: none;
}

.card::after {
  position: absolute;
  right: -17%;
  bottom: -18%;
  width: 70%;
  aspect-ratio: 1;
  border: 3px solid currentColor;
  border-radius: 50%;
  opacity: .13;
  content: "";
}

.corner-rank,
.card-rank,
.card-detail { z-index: 1; }

.corner-rank {
  font-size: .65rem;
  font-weight: 950;
  line-height: 1;
}

.card-rank {
  align-self: center;
  margin-top: auto;
  margin-bottom: auto;
  font-size: clamp(1.4rem, 2.3vw, 2.35rem);
  font-weight: 950;
  letter-spacing: -.09em;
  line-height: .9;
}

.card-detail {
  max-width: 100%;
  font-size: .47rem;
  font-weight: 850;
  line-height: 1.08;
  text-align: center;
}

.compact-card {
  width: var(--reserve-card-w);
  height: var(--reserve-card-h);
  padding: 5px;
  border-radius: 8px;
}

.compact-card .card-rank { font-size: clamp(.95rem, 1.45vw, 1.65rem); }
.compact-card .card-detail { display: none; }

.card-back {
  border-color: #dceaff;
  background-color: #243d63;
  background-image:
    linear-gradient(rgba(17, 43, 78, .22), rgba(17, 43, 78, .22)),
    url("https://assets.popchat.com/assets/kenney/boardgame/PNG/Cards/cardBack_blue1.png");
  background-position: center;
  background-size: cover;
}

.rank-1 { --card-background: #f7b0a8; --card-ink: #571a26; }
.rank-2 { --card-background: #f7c998; --card-ink: #633015; }
.rank-3 { --card-background: #f5e28b; --card-ink: #564408; }
.rank-4 { --card-background: #d2eb91; --card-ink: #29451c; }
.rank-5 { --card-background: #99e4b5; --card-ink: #104b35; }
.rank-6 { --card-background: #85ded8; --card-ink: #12484c; }
.rank-7 { --card-background: #8bc9ed; --card-ink: #153c63; }
.rank-8 { --card-background: #9faef1; --card-ink: #202b69; }
.rank-9 { --card-background: #c6a4ec; --card-ink: #482475; }
.rank-10 { --card-background: #e7a4df; --card-ink: #6e285c; }
.rank-11 { --card-background: #f19daf; --card-ink: #682034; }
.rank-12 { --card-background: #f4b9a7; --card-ink: #6a2b1d; }
.rank-13 { --card-background: #e9d28b; --card-ink: #5c4406; }
.rank-14 { --card-background: #b9df9e; --card-ink: #23471b; }
.rank-15 { --card-background: #94d4cf; --card-ink: #10474b; }

.wild {
  --card-ink: #201848;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, .42), transparent 39%),
    linear-gradient(135deg, #f5d668 0 22%, #e47c93 22% 40%, #9c84df 40% 60%, #6fcfb0 60% 79%, #84c4eb 79% 100%);
}

.wild .card-rank {
  font-size: 1rem;
  letter-spacing: .01em;
}

.center-card-space .wild .card-rank { font-size: 1.3rem; }

.draggable-card {
  cursor: grab;
  touch-action: none;
  transition: transform .15s ease, filter .15s ease, box-shadow .15s ease, opacity .15s ease;
}

.draggable-card:active { cursor: grabbing; }

.draggable-card:hover {
  z-index: 30;
  filter: brightness(1.065) saturate(1.03);
}

.dragging-source {
  opacity: .34;
  filter: saturate(.7);
}

.drag-ghost {
  position: fixed;
  z-index: 9999;
  margin: 0;
  pointer-events: none;
  transform: translate(-50%, -50%) rotate(4deg) scale(1.08);
  box-shadow: 0 0 0 3px var(--gold), 0 18px 32px rgba(0, 0, 0, .42);
}

.selected-card {
  z-index: 40 !important;
  box-shadow: 0 0 0 3px var(--gold), 0 6px 0 rgba(3, 16, 30, .26), 0 12px 18px rgba(0, 0, 0, .3);
  animation: selectedPulse 1.35s ease-in-out infinite;
}

@keyframes selectedPulse {
  50% {
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--gold) 76%, transparent), 0 6px 0 rgba(3, 16, 30, .26), 0 12px 18px rgba(0, 0, 0, .3);
  }
}

.can-drop,
.drag-over {
  border-color: rgba(115, 223, 178, .82) !important;
  box-shadow: inset 0 0 0 1px rgba(115, 223, 178, .25), 0 0 18px rgba(115, 223, 178, .16);
}

.drag-over {
  transform: translateY(-3px) scale(1.02);
  background-color: color-mix(in srgb, var(--accent) 18%, var(--felt)) !important;
}

.center-pile.can-drop,
.reserve-pile.can-drop { cursor: pointer; }

.center-pile.can-drop:not(:disabled):hover,
.reserve-pile.can-drop:hover {
  transform: translateY(-2px);
}

.how-to {
  padding: 10px 14px;
  color: var(--muted);
  background: linear-gradient(90deg, rgba(115, 223, 178, .08), transparent 50%), color-mix(in srgb, var(--surface) 94%, transparent);
  font-size: .77rem;
  line-height: 1.35;
}

.how-to strong { color: var(--text); }

dialog {
  width: min(540px, calc(100% - 24px));
  max-height: min(80dvh, 700px);
  border: 1px solid var(--line-strong);
  border-radius: 19px;
  color: var(--text);
  background: var(--surface);
  box-shadow: 0 24px 80px rgba(0, 0, 0, .52);
}

dialog::backdrop {
  background: rgba(2, 8, 17, .74);
  backdrop-filter: blur(4px);
}

.stack-dialog { padding: 17px; }

.dialog-copy {
  margin: 10px 0;
  color: var(--muted);
  font-size: .82rem;
}

.stack-list {
  display: grid;
  max-height: 52dvh;
  gap: 8px;
  overflow-y: auto;
  padding: 4px;
}

.stack-row {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 7px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--surface-muted);
}

.stack-row.top-stack-card {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 11%, var(--surface-muted));
}

.stack-position {
  min-width: 54px;
  color: var(--muted);
  font-size: .7rem;
  font-weight: 850;
}

.game-dialog {
  max-width: 400px;
  padding: 23px;
  text-align: center;
}

.game-dialog h2 {
  margin-bottom: 8px;
  font-size: 1.7rem;
}

.game-dialog p:not(.zone-kicker) {
  color: var(--muted);
  line-height: 1.42;
}

.game-dialog .new-button {
  width: 100%;
  margin-top: 8px;
}

@media (max-width: 900px) {
  .table-layout { grid-template-rows: auto minmax(310px, 1fr) auto; }

  .player-content,
  .human-content { grid-template-columns: auto minmax(170px, 1fr); }

  .reserve-wrap { grid-column: 1 / -1; }
  .center-card-space .compact-card { width: min(104px, 100%); }
}

@media (max-width: 620px) {
  :root {
    --card-w: clamp(52px, 15vw, 66px);
    --reserve-card-w: clamp(34px, 10vw, 47px);
    --center-card-w: clamp(59px, 17vw, 82px);
  }

  .app-shell {
    gap: 8px;
    padding: 9px;
  }

  .topbar { gap: 8px; }

  .eyebrow,
  .zone-kicker { display: none; }

  .brand-mark {
    width: 29px;
    height: 31px;
  }

  .brand-mark i:nth-child(1) { height: 8px; }
  .brand-mark i:nth-child(2) { height: 14px; }
  .brand-mark i:nth-child(3) { height: 18px; }

  h1 { font-size: 1.45rem; }
  .header-actions { gap: 4px; }

  .icon-button,
  .new-button {
    min-height: 36px;
    padding: 0 8px;
    font-size: .66rem;
  }

  .game-status {
    min-height: 45px;
    padding: 6px 8px;
    gap: 8px;
  }

  .turn-indicator {
    padding: 6px 8px;
    font-size: .67rem;
  }

  .message { font-size: .68rem; }

  .table-layout {
    grid-template-rows: auto minmax(260px, 1fr) auto;
    gap: 8px;
  }

  .player-zone,
  .center-zone {
    padding: 9px;
    border-radius: 14px;
  }

  h2 { font-size: .91rem; }

  .stock-count,
  .reserve-count,
  .completed-counter {
    padding: 3px 5px;
    font-size: .58rem;
  }

  .player-content,
  .human-content {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 8px;
    margin-top: 6px;
  }

  .reserve-wrap { grid-column: 1 / -1; }
  .hidden-hand .card { margin-left: -20px; }
  .hidden-hand-count { font-size: .58rem; }

  .hint,
  .reserve-title-row .hint { display: none; }

  .label { font-size: .59rem; }

  .stock-slot {
    width: calc(var(--card-w) + 6px);
    min-height: calc(var(--card-h) + 6px);
    padding: 2px;
  }

  .stack-count {
    width: 23px;
    height: 23px;
    right: -5px;
    bottom: -5px;
    font-size: .61rem;
  }

  .reserve-title-row { margin-bottom: 3px; }
  .reserve-grid { gap: 3px; }

  .reserve-pile {
    min-height: calc(var(--reserve-card-h) + 69px);
    gap: 2px;
    padding: 3px;
  }

  .reserve-pile-head { font-size: .45rem; }

  .reserve-visual {
    min-height: calc(var(--reserve-card-h) + 7px);
  }

  .reserve-stack {
    width: calc(var(--reserve-card-w) + 7px);
    height: calc(var(--reserve-card-h) + 7px);
  }

  .reserve-stack.has-hidden-cards::before { transform: translate(7px, 6px); }
  .reserve-stack.has-hidden-cards::after { transform: translate(3px, 3px); }

  .inspect-button {
    min-height: 24px;
    font-size: .48rem;
  }

  .center-help { display: none; }
  .play-pile-grid { gap: 4px; }

  .center-pile {
    gap: 4px;
    padding: 5px;
    border-radius: 10px;
  }

  .center-pile-head,
  .needed-label { font-size: .47rem; }

  .center-card-space .compact-card { padding: 5px; }
  .center-card-space .compact-card .card-rank { font-size: 1.45rem; }
  .center-card-space .compact-card .corner-rank { font-size: .5rem; }
  .center-card-space .compact-card .card-detail { display: none; }
  .start-label { font-size: .5rem; }
  .pile-progress { height: 4px; }
  .corner-rank { font-size: .54rem; }
  .card-rank { font-size: 1.55rem; }
  .card-detail { font-size: .39rem; }

  .how-to {
    padding: 7px 8px;
    font-size: .6rem;
    line-height: 1.23;
  }
}

@media (max-height: 700px) and (min-width: 621px) {
  :root {
    --card-w: clamp(54px, 7vw, 67px);
    --reserve-card-w: clamp(37px, 4.5vw, 50px);
    --center-card-w: clamp(68px, 8vw, 92px);
  }

  .app-shell {
    gap: 8px;
    padding-top: 10px;
    padding-bottom: 10px;
  }

  .table-layout {
    gap: 9px;
    grid-template-rows: minmax(123px, .75fr) minmax(215px, 1.2fr) minmax(128px, .8fr);
  }

  .center-help,
  .how-to { display: none; }

  .player-zone,
  .center-zone { padding: 10px; }

  .player-content { margin-top: 5px; }

  .reserve-pile {
    min-height: calc(var(--reserve-card-h) + 74px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}