/* Sakkháló · csevegő edző (2026-10-24). Egyetlen nézet: balra a tábla, jobbra a Claude-edző; az oldal nem görget,
   csak a csevegés belseje. Fekete Kolofon alapok (ink, paper, mute, red jelként), a tábla meleg fa (design/EXCEPTIONS.md). */
:root {
  --ink: #0F0D0C; --ink-2: #181513; --paper: #EBE7DF; --mute: #979188; --red: #C3251C;
  --rule: rgba(235, 231, 223, 0.14); --rule-2: rgba(235, 231, 223, 0.26);
  --good: #2F7A3E;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --mono: "JetBrains Mono", Menlo, Consolas, monospace;
  --head: 52px; --gap: 24px; --chat-min: 340px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { background: var(--ink); color: var(--paper); font: 400 17px/1.55 var(--serif); height: 100dvh; overflow: hidden;
  display: grid; grid-template-rows: var(--head) minmax(0, 1fr); }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; text-decoration-color: var(--red); text-underline-offset: 0.2em; }
[hidden] { display: none !important; }
.mono { font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.01em; }
.mute { color: var(--mute); }

/* ---- fejléc */
.top { display: flex; align-items: center; gap: 16px; padding: 0 var(--gap); border-bottom: 1px solid var(--rule); }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; letter-spacing: -0.01em; }
.brand i { width: 10px; height: 10px; background: var(--red); display: inline-block; }
.top .sp { flex: 1; }
.budget { color: var(--mute); }
.icon-btn { background: none; border: 1px solid var(--rule-2); width: 30px; height: 30px; cursor: pointer; transition: border-color 120ms ease; }
.icon-btn:hover, .icon-btn:focus-visible { border-color: var(--paper); outline: none; }

/* ---- fő rács */
main { display: grid; grid-template-columns: auto minmax(var(--chat-min), 1fr); gap: var(--gap); padding: 18px var(--gap); min-height: 0; }
.play { display: flex; flex-direction: column; gap: 12px; min-height: 0;
  --board: min(calc(100dvh - var(--head) - 36px - 92px), calc(100vw - var(--chat-min) - var(--gap) * 3)); width: var(--board); }
.board { width: var(--board); }
.bar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.status { font-family: var(--mono); font-size: 0.8rem; color: var(--mute); min-height: 1.4em; }
.status b { color: var(--paper); font-weight: 600; }
.btn { background: none; border: 1px solid var(--rule-2); padding: 6px 11px; font-family: var(--mono); font-size: 0.78rem; cursor: pointer; transition: border-color 120ms ease, background-color 120ms ease; }
.btn:hover, .btn:focus-visible { border-color: var(--paper); outline: none; }
.btn:disabled { opacity: 0.45; cursor: default; border-color: var(--rule-2); }
.btn.primary { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.btn.primary:hover { background: #fff; }
select.btn { appearance: none; padding-right: 22px; background: linear-gradient(45deg, transparent 50%, var(--mute) 50%) right 11px center / 5px 5px no-repeat, linear-gradient(-45deg, transparent 50%, var(--mute) 50%) right 6px center / 5px 5px no-repeat; }
select.btn option { background: var(--ink); }
.seg { display: inline-flex; }
.seg .btn + .btn { border-left: 0; }
.seg .btn[aria-pressed="true"] { background: var(--paper); color: var(--ink); }

/* ---- csevegés */
.chat { display: flex; flex-direction: column; min-height: 0; border-left: 1px solid var(--rule); padding-left: var(--gap); }
.chat-head { display: flex; align-items: baseline; gap: 10px; padding-bottom: 10px; border-bottom: 1px solid var(--rule); }
.chat-head h1 { font-size: 1.05rem; margin: 0; font-weight: 600; }
.msgs { flex: 1; min-height: 0; overflow-y: auto; padding: 16px 4px 16px 0; scroll-behavior: smooth; overscroll-behavior: contain; }
.msg { margin: 0 0 16px; max-width: 46rem; }
.msg p { margin: 0 0 0.6em; }
.msg p:last-child { margin-bottom: 0; }
.msg.user { margin-left: auto; max-width: 34rem; background: var(--ink-2); border: 1px solid var(--rule); padding: 9px 13px; width: fit-content; }
.msg.bot .who { font-family: var(--mono); font-size: 0.72rem; color: var(--mute); margin-bottom: 4px; display: block; }
.msg.err { color: var(--mute); font-style: italic; }
.msg .mv { font-family: var(--mono); font-size: 0.86em; background: none; color: var(--paper); border: 0; border-bottom: 1px solid var(--good); padding: 0 1px; cursor: pointer; }
.msg .mv:hover, .msg .mv:focus-visible { background: rgba(47, 122, 62, 0.25); outline: none; }
.typing::after { content: "▍"; animation: blink 1s steps(1) infinite; color: var(--mute); }
@keyframes blink { 50% { opacity: 0; } }
.empty { color: var(--mute); padding: 8px 0; }
.empty p { margin: 0 0 12px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips .btn { font-family: var(--serif); font-size: 0.92rem; }

.composer { border-top: 1px solid var(--rule); padding-top: 12px; display: grid; grid-template-columns: 1fr auto; gap: 10px; align-items: end; }
.composer textarea { resize: none; background: var(--ink-2); border: 1px solid var(--rule-2); padding: 10px 12px; line-height: 1.45; max-height: 9.5em; min-height: 2.9em; outline: none; transition: border-color 120ms ease; }
.composer textarea:focus { border-color: var(--paper); }
.gate { border-top: 1px solid var(--rule); padding-top: 14px; display: grid; gap: 10px; }
.gate form { display: grid; grid-template-columns: 1fr auto; gap: 10px; }
.gate input { background: var(--ink-2); border: 1px solid var(--rule-2); padding: 9px 12px; outline: none; font-family: var(--mono); font-size: 0.85rem; }
.gate input:focus { border-color: var(--paper); }
.gate .note { font-size: 0.85rem; color: var(--mute); margin: 0; }
.gate .bad { color: var(--paper); text-decoration: underline; text-decoration-color: var(--red); }

/* ---- tervkártya: a Claude javasolt terve lépésenként (számozott nyilak, lejátszás) */
.plan { margin-top: 10px; border: 1px solid var(--rule-2); padding: 9px 11px; max-width: 46rem; }
.plan-head { margin-bottom: 6px; }
.plan-moves { display: flex; flex-wrap: wrap; gap: 4px 6px; margin-bottom: 8px; }
.plan .pm { background: none; border: 1px solid transparent; border-bottom-color: var(--rule-2); padding: 1px 5px; font-family: var(--mono); font-size: 0.8rem; color: var(--mute); cursor: pointer; transition: border-color 120ms ease, color 120ms ease; }
.plan .pm.mine { color: var(--paper); border-bottom-color: var(--good); }
.plan .pm:hover, .plan .pm:focus-visible { border-color: var(--paper); outline: none; }
.plan .pm.on { background: var(--paper); color: var(--ink); }
.plan-ctl { display: flex; flex-wrap: wrap; gap: 6px; }
.plan-ctl .btn { padding: 4px 9px; font-size: 0.72rem; }
.status .btn { margin-left: 8px; padding: 2px 8px; font-size: 0.72rem; color: var(--paper); }

/* ---- tájékoztató */
dialog { background: var(--ink); color: var(--paper); border: 1px solid var(--rule-2); max-width: 40rem; padding: 22px 26px; }
dialog::backdrop { background: rgba(0, 0, 0, 0.6); }
dialog h2 { font-size: 1.1rem; margin: 0 0 10px; }
dialog h3 { font-size: 0.95rem; margin: 16px 0 6px; }
dialog p, dialog li { font-size: 0.92rem; color: #d8d3ca; }
dialog ul { padding-left: 1.1em; }

/* ---- telefon / keskeny: a tábla felül, alatta a csevegés */
@media (max-width: 860px) {
  :root { --gap: 14px; --head: 46px; }
  main { grid-template-columns: 1fr; grid-template-rows: auto minmax(0, 1fr); gap: 10px; padding: 10px var(--gap); }
  .play { --board: min(calc(100vw - 2 * var(--gap)), 46dvh); width: 100%; align-items: center; gap: 8px; }
  .bar { justify-content: center; }
  .chat { border-left: 0; padding-left: 0; border-top: 1px solid var(--rule); padding-top: 8px; }
  .chat-head { display: none; }
  .msgs { padding-top: 8px; }
  .top { gap: 10px; }
  .top .budget { font-size: 0.66rem; white-space: nowrap; }
  .bar { gap: 6px; }
  .bar .btn { padding: 5px 7px; font-size: 0.68rem; }
  .bar select.btn { padding-right: 20px; }
}
@media (prefers-reduced-motion: reduce) { .msgs { scroll-behavior: auto; } .typing::after { animation: none; } * { transition: none !important; } }