/* IMPERIUM·KETER learn-game — эстетика 314: терминал-глитч, π, золото Климта.
   Строгий self-hosting: системные шрифты (никаких внешних). RTL через logical-свойства. */
:root {
  --bg: #0b0d0f; --panel: #14181c; --panel2: #1b2127; --ink: #e8e6df; --muted: #9aa3ab;
  --gold: #d4af37; --gold2: #f2d675; --line: #2a3139; --ok: #4fd08a; --warn: #e5b23c;
  --bad: #e4584f; --accent: #58b2d8; --radius: 12px;
  --mono: ui-monospace, "Cascadia Code", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans); line-height: 1.5; }
body { max-width: 860px; margin-inline: auto; padding: 0 16px 48px; }
h1,h2,h3 { font-weight: 650; letter-spacing: .2px; }
h2 { font-size: 1.15rem; margin: 0 0 .4rem; }
h3 { font-size: 1rem; margin: 0 0 .3rem; }
.small { font-size: .82rem; } .muted { color: var(--muted); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.skip { position: absolute; inset-inline-start: -999px; }
.skip:focus { inset-inline-start: 8px; top: 8px; background: var(--gold); color: #000; padding: 6px 10px; z-index: 9; border-radius: 8px; }

.top { display: flex; align-items: center; justify-content: space-between; padding: 14px 0 8px; }
.brand { font-weight: 700; font-size: 1.1rem; }
.pi { color: var(--gold2); font-family: var(--mono); }
.lang select { background: var(--panel2); color: var(--ink); border: 1px solid var(--line); border-radius: 8px; padding: 6px 8px; font: inherit; }

.banner { background: linear-gradient(90deg, #2a1d05, #3a2a08); color: var(--gold2);
  border: 1px solid var(--gold); border-radius: var(--radius); padding: 8px 12px; font-size: .8rem;
  font-family: var(--mono); text-align: center; margin-bottom: 10px; }
.conn { font-family: var(--mono); font-size: .78rem; color: var(--muted); margin-bottom: 10px; min-height: 1em; }
.conn .dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-inline-end: 6px; vertical-align: middle; }
.conn.up .dot { background: var(--ok); } .conn.down .dot { background: var(--bad); }

.card, .panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin-bottom: 14px; }
.wallet { border-color: var(--line); }

.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin: 6px 0 14px; }
.tab { flex: 1 1 auto; min-width: 88px; background: var(--panel2); color: var(--ink); border: 1px solid var(--line);
  border-radius: 10px; padding: 10px 8px; font: inherit; cursor: pointer; }
.tab[aria-selected="true"] { background: var(--gold); color: #000; border-color: var(--gold2); font-weight: 650; }
.tab:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

button.act { background: var(--gold); color: #000; border: none; border-radius: 10px; padding: 11px 14px;
  font: inherit; font-weight: 650; cursor: pointer; }
button.act.ghost { background: transparent; color: var(--gold2); border: 1px solid var(--gold); }
button.act:disabled { opacity: .45; cursor: not-allowed; }
button.act:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin: 8px 0; }
input[type=text], input[type=number] { background: var(--panel2); color: var(--ink); border: 1px solid var(--line);
  border-radius: 8px; padding: 9px 10px; font: inherit; min-width: 0; flex: 1 1 140px; }
code, .mono { font-family: var(--mono); }
.addr { font-family: var(--mono); font-size: .78rem; word-break: break-all; color: var(--accent); }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }
.stat { background: var(--panel2); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; }
.stat .k { font-size: .72rem; color: var(--muted); text-transform: uppercase; letter-spacing: .4px; }
.stat .v { font-size: 1.25rem; font-weight: 650; font-family: var(--mono); margin-top: 2px; }
.stat .v.gold { color: var(--gold2); }

.step { border-inline-start: 3px solid var(--gold); padding-inline-start: 12px; margin: 14px 0; }
.step h3 { color: var(--gold2); }
.pill { display: inline-block; font-size: .72rem; font-family: var(--mono); padding: 2px 8px; border-radius: 999px;
  border: 1px solid var(--line); color: var(--muted); }
.pill.ok { color: var(--ok); border-color: var(--ok); } .pill.bad { color: var(--bad); border-color: var(--bad); }
.pill.warn { color: var(--warn); border-color: var(--warn); }

.calc { background: #0e1316; border: 1px dashed var(--line); border-radius: 10px; padding: 10px 12px; font-family: var(--mono); font-size: .8rem; color: var(--muted); margin-top: 8px; }
.calc b { color: var(--ink); }
.rolecard { border: 1px solid var(--line); border-radius: 10px; padding: 12px; margin-bottom: 10px; background: var(--panel2); }
.rolecard h3 { margin-bottom: 2px; }

.toast { position: fixed; inset-inline: 16px; bottom: 16px; max-width: 540px; margin-inline: auto; z-index: 20;
  background: var(--panel2); border: 1px solid var(--gold); border-radius: 10px; padding: 12px 14px; font-size: .9rem; }
.toast.bad { border-color: var(--bad); } .toast.ok { border-color: var(--ok); }
.spin { display: inline-block; width: 12px; height: 12px; border: 2px solid var(--muted); border-top-color: var(--gold2);
  border-radius: 50%; animation: sp .8s linear infinite; vertical-align: middle; margin-inline-end: 6px; }
@keyframes sp { to { transform: rotate(360deg); } }

/* утилиты (чтобы НЕ было инлайн-стилей — строгий CSP style-src 'self') */
.mt10 { margin-top: 10px; } .mt12 { margin-top: 12px; } .mt14 { margin-top: 14px; }
.lh17 { line-height: 1.7; }
.v-sm { font-size: .9rem; } .v-md { font-size: .95rem; }
input.narrow { flex: 0 1 110px; }

.foot { margin-top: 24px; border-top: 1px solid var(--line); padding-top: 12px; }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition: none !important; }
  .spin { animation: none; border-top-color: var(--muted); }
}
@media (max-width: 380px) { body { padding: 0 12px 40px; } .stat .v { font-size: 1.1rem; } }