:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #1b1f24;
  --muted: #5f6b7a;
  --border: #d9dee5;
  --accent: #2481cc;
  --accent-text: #ffffff;
  --bot: #eef1f5;
  --player: #e3f0fb;
  --other: #fbf1e3;
  --error: #c0392b;
  --ok: #1e8e3e;
  --warn: #d68910;
  --radius: 12px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17212b;
    --surface: #1f2b38;
    --text: #e9eef3;
    --muted: #93a1b0;
    --border: #2f3d4c;
    --accent: #5aa7e6;
    --accent-text: #0e1621;
    --bot: #263342;
    --player: #1d3b55;
    --other: #3d3423;
    --error: #ff7b6b;
    --ok: #6fcf87;
    --warn: #f5b041;
  }
}

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

html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}

.app {
  max-width: 560px;
  margin: 0 auto;
  padding: 12px 16px calc(16px + env(safe-area-inset-bottom));
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.top { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
h1 { font-size: 1.5rem; margin: 0; }
h2 { font-size: 1.2rem; margin: 0 0 8px; }
.player-name { margin: 0; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.lead { margin-top: 0; font-size: 1.05rem; }
.muted { color: var(--muted); }
.rules { padding-left: 20px; color: var(--muted); }
.error { color: var(--error); min-height: 1.4em; margin: 8px 0 0; }

button {
  font: inherit;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  padding: 10px 16px;
  min-height: 44px;
  cursor: pointer;
}
button:disabled { opacity: .6; cursor: default; }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); font-weight: 600; }
button.ghost { background: transparent; color: var(--muted); align-self: center; }

.difficulty { border: 1px solid var(--border); border-radius: 10px; margin: 0 0 16px; padding: 8px 12px 12px; }
.difficulty legend { padding: 0 4px; color: var(--muted); }
.difficulty label { display: inline-flex; align-items: center; gap: 6px; margin-right: 16px; min-height: 36px; }

.scoreline { display: flex; justify-content: space-between; align-items: center; font-size: 1.05rem; }
.timer-text { font-variant-numeric: tabular-nums; font-weight: 600; }
.timer-text.low { color: var(--error); }

.timer-track { height: 6px; border-radius: 3px; background: var(--border); overflow: hidden; }
.timer-bar { height: 100%; width: 100%; background: var(--accent); transform-origin: left center; }
.timer-bar.low { background: var(--error); }

.move-form { display: flex; flex-direction: column; gap: 6px; margin-top: 4px; }
.move-form label { color: var(--muted); }
.move-form label strong { color: var(--text); font-size: 1.15rem; }
.move-row { display: flex; gap: 8px; }
.move-row input {
  flex: 1;
  min-width: 0;
  font: inherit;
  font-size: 1.1rem;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
}
.move-row input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

.message { min-height: 1.4em; margin: 0; }
.message.error { color: var(--error); }
.message.thinking { color: var(--muted); }
.message.thinking::after { content: "…"; animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }

.chain-box { display: flex; flex-direction: column; }
.chain-title { font-size: 1rem; color: var(--muted); font-weight: 600; }
.chain { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column-reverse; gap: 6px; }
.chain > li { border-radius: 10px; padding: 8px 12px; background: var(--bot); }
.chain > li.player { background: var(--player); }
.chain .row { display: flex; align-items: center; gap: 8px; }
.chain .who { font-size: .8rem; color: var(--muted); min-width: 34px; max-width: 35%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chain > li.other { background: var(--other); }
.chain .word { font-weight: 600; flex: 1; overflow-wrap: anywhere; }
.chain .points { font-size: .85rem; color: var(--ok); }
.chain .toggle { padding: 2px 8px; min-height: 30px; font-size: .8rem; }
.chain .no-meaning { font-size: .8rem; color: var(--muted); }
.chain ol.senses { margin: 6px 0 0; padding-left: 22px; font-size: .9rem; color: var(--muted); }
.chain > li.fresh { animation: pop .35s ease-out; }
@keyframes pop { from { transform: scale(.97); opacity: .4; } to { transform: none; opacity: 1; } }

.players { list-style: none; margin: 12px 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.players > li { display: flex; align-items: center; gap: 8px; padding: 8px 12px; border-radius: 10px; background: var(--bot); }
.players > li.you { background: var(--player); }
.players .name { flex: 1; min-width: 0; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.players .tag { font-size: .8rem; color: var(--muted); }
.players .score { font-variant-numeric: tabular-nums; color: var(--ok); }
.players.compact { flex-direction: row; flex-wrap: wrap; margin: 0; }
.players.compact > li { padding: 4px 10px; font-size: .9rem; max-width: 100%; }
.players.compact > li.turn { outline: 2px solid var(--accent); }
.players > li.out { opacity: .55; }
.players > li.out .name { text-decoration: line-through; }
.turn-line { margin: 0; font-weight: 600; }
.turn-line.mine { color: var(--accent); }
.room-result { border-bottom: 1px solid var(--border); margin-bottom: 12px; padding-bottom: 8px; }
.standings { padding-left: 22px; margin: 8px 0; }
.standings li.you { font-weight: 600; }

.final-score { font-size: 1.2rem; }
.suggestions { padding-left: 20px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.report-ok { color: var(--ok); }
.report-failed { color: var(--warn); }

.footer { margin-top: auto; padding-top: 8px; font-size: .8rem; color: var(--muted); text-align: center; }
.footer a { color: inherit; }

@media (prefers-reduced-motion: reduce) {
  .chain > li.fresh, .message.thinking::after { animation: none; }
}