:root {
  --bg: #0f172a;
  --surface: #1e293b;
  --surface-2: #273449;
  --line: #334155;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #facc15;
  --accent-ink: #1a1405;
  --felt-1: #1d5a4c;
  --felt-2: #0f3a31;
  --tile-1: #fffaf0;
  --tile-2: #f1e5c8;
  --tile-edge: #c9b48a;
  --red: #dc2626;
  --yellow: #d97706;
  --blue: #2563eb;
  --black: #111827;
  --joker: #0d9488;
  --radius: 12px;
  --shadow: 0 6px 20px rgba(2, 6, 23, 0.45);
  --fast: 160ms;
  --mid: 220ms;
  --tt: clamp(30px, 8.6vw, 48px);
  color-scheme: dark;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: radial-gradient(1200px 600px at 50% -10%, #1b2740 0%, var(--bg) 60%) var(--bg);
  color: var(--text);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  overflow-x: hidden;
}

button { font: inherit; color: inherit; }

/* ---------- header and footer ---------- */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  padding: 8px 12px;
  max-width: 1180px;
  width: 100%;
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand-tile {
  display: grid;
  place-items: center;
  width: 24px;
  height: 32px;
  border-radius: 6px;
  background: linear-gradient(var(--tile-1), var(--tile-2));
  color: var(--red);
  font-size: 17px;
  box-shadow: 0 2px 0 var(--tile-edge), 0 0 0 2px var(--accent);
}

.top-actions { display: flex; gap: 4px; align-items: center; }
.top-actions .btn { white-space: nowrap; }

@media (max-width: 420px) {
  .topbar { padding: 8px 10px; }
  .brand { font-size: 18px; gap: 6px; }
  .top-actions .btn:not(.icon):not(.lang) { padding: 0 10px; font-size: 13px; }
}

@media (max-width: 359px) {
  .topbar { padding: 8px 8px; gap: 4px; }
  .brand-tile { display: none; }
  .top-actions { gap: 2px; }
  .top-actions .btn:not(.icon):not(.lang) { padding: 0 8px; font-size: 12px; }
}

.footer {
  text-align: center;
  padding: 10px 16px 14px;
  font-size: 13px;
}

.footer a { color: var(--muted); text-decoration: none; }
.footer a:hover, .footer a:focus-visible { color: var(--accent); }

/* ---------- buttons ---------- */

.btn {
  min-height: 40px;
  min-width: 40px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(2, 6, 23, 0.3);
  transition: background var(--fast), border-color var(--fast), transform var(--fast), opacity var(--fast);
}

.btn:hover:not(:disabled) { background: var(--surface-2); border-color: #475569; }
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn:focus-visible, .corner:focus-visible, .pile:focus-visible, .seg-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn:disabled { opacity: 0.45; cursor: default; }
.btn.icon { padding: 0; display: grid; place-items: center; width: 40px; }
.btn.icon svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }
.btn.lang { padding: 0; width: 40px; letter-spacing: 0.04em; }
.btn.primary, .btn.accent { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover:not(:disabled), .btn.accent:hover:not(:disabled) { background: #fde047; }
.btn.finish.ready { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); animation: pulse 1.6s ease-in-out infinite; }

/* ---------- layout ---------- */

.layout {
  flex: 1;
  display: flex;
  justify-content: center;
  gap: 20px;
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 12px;
}

.play {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
  max-width: 840px;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}

.side { display: none; }

@media (min-width: 1000px) {
  .side {
    display: block;
    align-self: flex-start;
    width: 280px;
    flex: none;
    padding: 16px;
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
  }
  .side h2 { margin: 0; font-size: 17px; }
  .side .muted { margin: 2px 0 10px; }
  .hide-wide { display: none; }
}

.muted { color: var(--muted); }
.small { font-size: 13px; }

/* ---------- table ---------- */

.table {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(64px, 1fr) minmax(0, 2fr) minmax(64px, 1fr);
  grid-template-rows: auto 1fr auto;
  gap: 8px;
  padding: 10px;
  border-radius: 18px;
  background: radial-gradient(ellipse at 50% 45%, var(--felt-1) 0%, var(--felt-2) 100%);
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.05), inset 0 0 40px rgba(0, 0, 0, 0.35), var(--shadow);
}

.seat {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: var(--radius);
  background: rgba(15, 23, 42, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.06);
  position: relative;
  transition: border-color var(--mid), box-shadow var(--mid);
  min-width: 0;
}

.seat.active { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent), 0 0 18px rgba(250, 204, 21, 0.25); }
.seat-side { flex-direction: column; text-align: center; gap: 4px; align-self: center; padding: 10px 6px; }
.seat-top { align-self: center; justify-self: center; }

.avatar {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  flex: none;
  border-radius: 50%;
  background: linear-gradient(135deg, #334155, #1e293b);
  border: 2px solid rgba(250, 204, 21, 0.55);
  font-weight: 800;
  color: var(--accent);
}

.seat-info { display: flex; flex-direction: column; line-height: 1.2; min-width: 0; }
.seat-side .seat-info { align-items: center; }
.seat-name { font-weight: 700; font-size: 14px; }
.seat-score { font-size: 12px; color: var(--muted); }
.seat-count { display: inline-flex; align-items: center; gap: 4px; font-size: 13px; font-weight: 700; }

.mini-back {
  display: inline-block;
  width: 10px;
  height: 14px;
  border-radius: 2px;
  background: linear-gradient(135deg, #14b8a6, #115e59);
  box-shadow: 0 0 0 1px var(--tile-2);
}

.thinking {
  position: absolute;
  bottom: -5px;
  left: 50%;
  width: 26px;
  height: 6px;
  margin-left: -13px;
  border-radius: 3px;
  background: radial-gradient(circle, var(--accent) 2px, transparent 3px) 0 0 / 9px 6px repeat-x;
  animation: blink 1s steps(3) infinite;
}

.seat-me { flex-direction: column; gap: 2px; text-align: center; }
.me-top { display: flex; gap: 8px; align-items: baseline; }
.status { font-size: 12px; color: var(--muted); line-height: 1.25; }
.seat-me.active .status { color: var(--accent); font-weight: 600; }

.corner {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 48px;
  padding: 4px;
  border: 0;
  border-radius: var(--radius);
  background: transparent;
  cursor: pointer;
}

.corner.takeable .tile { box-shadow: 0 0 0 3px var(--accent), 0 0 18px rgba(250, 204, 21, 0.6); animation: lift 1.4s ease-in-out infinite; }
.corner.mine .slot-empty { width: calc(var(--tt) * 1.7); }
.corner.mine.ready .slot-empty { border-color: var(--accent); color: var(--accent); }

.badge {
  position: absolute;
  top: 0;
  right: calc(50% - var(--tt) / 2 - 12px);
  min-width: 20px;
  height: 20px;
  padding: 0 5px;
  border-radius: 10px;
  background: var(--surface);
  border: 1px solid var(--line);
  font-size: 11px;
  font-weight: 700;
  line-height: 18px;
  text-align: center;
}

.center {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(12px, 4vw, 32px);
  min-width: 0;
}

.pile {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 6px;
  border: 0;
  border-radius: var(--radius);
  background: transparent;
  cursor: pointer;
  position: relative;
}

.stack { position: relative; display: block; width: var(--tt); height: calc(var(--tt) * 1.4); }
.stack .tile { position: absolute; left: 0; top: 0; }
.stack .under { transform: translate(3px, 3px); opacity: 0.7; }
.pile.ready .stack .tile:last-child { box-shadow: 0 0 0 3px var(--accent), 0 0 18px rgba(250, 204, 21, 0.55); }

.pile-count {
  position: absolute;
  top: calc(6px + var(--tt) * 0.7);
  left: 50%;
  transform: translate(-50%, -50%);
  font-weight: 800;
  font-size: 15px;
  color: #f8fafc;
  text-shadow: 0 1px 2px #000;
  pointer-events: none;
}

.indicator { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.cap { font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: #cbd5e1; }
.okey-line { display: inline-flex; align-items: center; gap: 6px; }

/* ---------- tiles ---------- */

.tile {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.08em;
  border-radius: 0.22em;
  background: linear-gradient(var(--tile-1), var(--tile-2));
  box-shadow: 0 0.09em 0 var(--tile-edge), 0 0.14em 0.3em rgba(0, 0, 0, 0.4);
  font-weight: 800;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  flex: none;
}

.tile .num { font-size: 1em; }
.tile .dot { width: 0.2em; height: 0.2em; border-radius: 50%; background: currentColor; }
.c-red { color: var(--red); }
.c-yellow { color: var(--yellow); }
.c-blue { color: var(--blue); }
.c-black { color: var(--black); }

.tile .fj {
  position: relative;
  width: 0.9em;
  height: 0.9em;
  border-radius: 50%;
  border: 0.12em solid var(--joker);
}

.tile .fj::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 0.3em;
  height: 0.3em;
  background: var(--joker);
  transform: rotate(45deg);
}

.tile .star {
  position: absolute;
  top: 0.1em;
  right: 0.14em;
  font-size: 0.42em;
  color: #ca8a04;
}

.tile.wild { box-shadow: 0 0.09em 0 var(--tile-edge), 0 0 0 0.07em #eab308, 0 0.14em 0.3em rgba(0, 0, 0, 0.4); }

.tile.back {
  background:
    radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.18) 0 18%, transparent 19%),
    linear-gradient(135deg, #14b8a6, #115e59);
  box-shadow: inset 0 0 0 0.1em var(--tile-2), 0 0.09em 0 #0b3b36, 0 0.14em 0.3em rgba(0, 0, 0, 0.4);
}

.tile.table { width: var(--tt); height: calc(var(--tt) * 1.4); font-size: calc(var(--tt) * 0.5); }
.tile.mini { width: 26px; height: 36px; font-size: 14px; }

.tile.slot-empty {
  background: transparent;
  border: 2px dashed rgba(255, 255, 255, 0.28);
  box-shadow: none;
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: border-color var(--fast), color var(--fast);
}

.tile-row { display: flex; flex-wrap: wrap; gap: 4px; margin: 4px 0; }

/* ---------- hint and controls ---------- */

.hint {
  margin: 0;
  min-height: 1.45em;
  text-align: center;
  font-size: 14px;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
}

.controls .btn { padding: 0 10px; }

/* ---------- rack ---------- */

.rack {
  container-type: inline-size;
  display: grid;
  grid-template-columns: repeat(13, minmax(0, 1fr));
  gap: 6px 3px;
  padding: 8px 6px 10px;
  border-radius: var(--radius);
  background:
    linear-gradient(to bottom, transparent calc(50% - 2px), rgba(0, 0, 0, 0.35) calc(50% - 2px), rgba(0, 0, 0, 0.35) calc(50% + 1px), transparent calc(50% + 1px)),
    linear-gradient(#7a4b26, #4e2f17);
  box-shadow: inset 0 2px 0 rgba(255, 255, 255, 0.12), var(--shadow);
}

.slot {
  aspect-ratio: 5 / 7;
  border-radius: 5px;
  background: rgba(0, 0, 0, 0.16);
  display: flex;
}

.tile.in-rack {
  width: 100%;
  height: 100%;
  font-size: calc(100cqi / 13 * 0.58);
  cursor: grab;
  transition: transform var(--fast), box-shadow var(--fast), opacity var(--fast);
  touch-action: none;
}

.tile.in-rack.selected { z-index: 2; transform: translateY(-18%); box-shadow: 0 0 0 0.09em var(--accent), 0 0.3em 0.5em rgba(0, 0, 0, 0.5); }
.tile.in-rack.ghosted { opacity: 0.25; }
.tile.in-rack.fresh { animation: pop 420ms ease-out; }

/* Small screens: rack slots are narrower than 40 px, so the picked tile grows to make it easy to see and hit. */
@media (max-width: 699px) {
  .tile.in-rack.selected { transform: translateY(-22%) scale(1.35); }
}

.drag-ghost {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 1000;
  pointer-events: none;
  cursor: grabbing;
  box-shadow: 0 0 0 2px var(--accent), 0 12px 24px rgba(0, 0, 0, 0.55) !important;
  transition: none !important;
  animation: none !important;
}

/* ---------- dialogs ---------- */

dialog {
  width: min(560px, calc(100vw - 24px));
  max-height: 86vh;
  padding: 18px 18px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
  overflow: auto;
}

dialog::backdrop { background: rgba(2, 6, 23, 0.72); }
dialog h2 { margin: 0 0 10px; font-size: 19px; color: var(--accent); }
dialog h3 { margin: 12px 0 4px; font-size: 13px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
dialog p { margin: 0 0 10px; }
.dlg-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; margin-top: 14px; }
.result-kind { font-weight: 700; }
.game-over { font-weight: 700; color: var(--accent); }

.choice { border: 0; padding: 0; margin: 0 0 12px; }
.choice legend { font-weight: 700; margin-bottom: 6px; padding: 0; }
.seg { display: flex; gap: 6px; }

.seg-btn {
  flex: 1;
  min-height: 40px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--bg);
  font-weight: 600;
  cursor: pointer;
  transition: background var(--fast), color var(--fast);
}

.seg-btn.on { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }

/* ---------- score table ---------- */

.scores { width: 100%; border-collapse: collapse; font-size: 14px; font-variant-numeric: tabular-nums; }
.scores th { font-size: 12px; font-weight: 700; color: var(--muted); padding: 4px 2px 6px; text-align: center; }
.scores th.me { color: var(--accent); }
.scores td { text-align: center; padding: 5px 2px; border-top: 1px solid var(--line); font-weight: 600; }
.scores td small { display: block; font-size: 11px; font-weight: 500; color: var(--muted); }
.scores td small.neg { color: #fca5a5; }
.scores td.winner { color: var(--accent); background: rgba(250, 204, 21, 0.1); }
.scores td.deal-no { color: var(--muted); font-weight: 500; }
.scores tr.now td { border-top: 2px solid var(--muted); font-weight: 800; }

/* ---------- desktop sizing ---------- */

@media (min-width: 700px) {
  :root { --tt: 46px; }
  .topbar { padding: 12px 16px; }
  .brand { font-size: 22px; }
  .table { padding: 14px; gap: 10px; }
  .avatar { width: 38px; height: 38px; }
  .seat-name { font-size: 15px; }
  .hint { font-size: 15px; }
  .rack { gap: 8px 4px; padding: 10px 8px 12px; }
}

/* ---------- motion ---------- */

@keyframes pulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(250, 204, 21, 0.55); } 50% { box-shadow: 0 0 0 6px rgba(250, 204, 21, 0); } }
@keyframes lift { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-3px); } }
@keyframes pop { 0% { transform: scale(0.6); } 70% { transform: scale(1.08); } 100% { transform: scale(1); } }
@keyframes blink { 0% { opacity: 0.3; } 50% { opacity: 1; } 100% { opacity: 0.3; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}