:root {
  --paper: #f2ead8;
  --card: #fbf6ea;
  --ink: #1d1b17;
  --mute: #6d665a;
  --line: #d9ceb6;
  --red: #c7341f;
  --green: #2f6b3f;
  --mono: "IBM Plex Mono", Consolas, monospace;
  --sans: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --han: "Noto Serif SC", "SimSun", serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; color: var(--ink); font: 16px/1.55 var(--sans);
  background: var(--paper);
  background-image: repeating-linear-gradient(0deg, transparent 0 31px, rgba(29,27,23,.045) 31px 32px);
}
a { color: inherit; }
.hidden { display: none !important; }
.red { color: var(--red); }
.small { font-size: 13px; color: var(--mute); }

.top {
  position: sticky; top: 0; z-index: 5; display: flex; align-items: center; justify-content: space-between;
  padding: 12px 24px; background: rgba(242,234,216,.92); backdrop-filter: blur(6px); border-bottom: 2px solid var(--ink);
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.seal {
  font: 900 20px/1 var(--han); color: var(--card); background: var(--red); padding: 6px 7px 7px;
  border-radius: 4px; transform: rotate(-4deg); box-shadow: 2px 2px 0 var(--ink);
}
.word { font: 700 20px var(--sans); letter-spacing: 4px; }
nav { display: flex; gap: 18px; align-items: center; font: 600 14px var(--mono); }
nav a { text-decoration: none; }
nav a:hover { color: var(--red); }
#lang { font: 600 13px var(--mono); border: 1.5px solid var(--ink); background: var(--card); padding: 4px 10px; cursor: pointer; }

main { max-width: 920px; margin: 0 auto; padding: 0 20px 60px; }

.hero { padding: 64px 0 28px; }
.kicker { font: 600 13px var(--mono); letter-spacing: 3px; color: var(--red); margin: 0 0 14px; }
h1 { font: 700 clamp(40px, 7vw, 76px)/1.02 var(--sans); margin: 0; letter-spacing: -1px; }
.zh-sub { font: 900 clamp(24px, 4vw, 36px)/1.3 var(--han); margin: 14px 0 0; }
.lede { max-width: 640px; font-size: 18px; color: #3c372f; margin: 18px 0 0; }

.board, .panel {
  background: var(--card); border: 2px solid var(--ink); border-radius: 6px; box-shadow: 5px 5px 0 var(--ink);
  margin: 28px 0; padding: 22px 24px;
}
.card-head { display: flex; justify-content: space-between; font: 600 13px var(--mono); letter-spacing: 2px; border-bottom: 1.5px dashed var(--line); padding-bottom: 10px; }
.tag { color: var(--red); }
.punches { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 14px; }
.punches > div { padding: 8px 14px; border-left: 1.5px dashed var(--line); }
.punches > div:first-child { border-left: 0; padding-left: 0; }
.punches small { display: block; font: 600 11px var(--mono); letter-spacing: 1.5px; color: var(--mute); text-transform: uppercase; }
.punches b { font: 600 clamp(18px, 3vw, 26px) var(--mono); }
.meter { height: 14px; border: 1.5px solid var(--ink); margin-top: 18px; background: repeating-linear-gradient(90deg, transparent 0 9px, var(--line) 9px 10px); }
#meter-fill { height: 100%; width: 0; background: var(--red); transition: width .6s; }
.meter-label { font: 13px var(--mono); color: var(--mute); margin: 8px 0 0; }

h2 { font: 700 26px var(--sans); margin: 0 0 6px; display: flex; gap: 12px; align-items: baseline; }
.num { font: 600 14px var(--mono); color: var(--card); background: var(--ink); padding: 2px 7px; border-radius: 3px; }
.row { display: flex; gap: 10px; margin: 14px 0 6px; }
input[type=text], input:not([type]) {
  flex: 1; min-width: 0; font: 15px var(--mono); padding: 11px 12px; border: 1.5px solid var(--ink); background: #fff; border-radius: 4px;
}
button { font: 600 14px var(--sans); cursor: pointer; }
.row button, .primary {
  padding: 11px 18px; border: 1.5px solid var(--ink); background: var(--ink); color: var(--card); border-radius: 4px;
}
.primary { background: var(--red); border-color: var(--red); margin-top: 10px; }
.row button:hover, .primary:hover { filter: brightness(1.15); }
.who { font: 15px var(--mono); min-height: 1.4em; }
.who .ok { color: var(--green); font-weight: 600; }
.who .bad { color: var(--red); font-weight: 600; }

.opts { display: flex; gap: 28px; flex-wrap: wrap; margin-top: 8px; }
.opts small { display: block; font: 600 11px var(--mono); letter-spacing: 1.5px; color: var(--mute); text-transform: uppercase; margin-bottom: 6px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chips button { min-width: 40px; padding: 7px 10px; border: 1.5px solid var(--ink); background: #fff; border-radius: 4px; font-family: var(--mono); }
.chips button.sel { background: var(--ink); color: var(--card); }
.cost { font: 600 18px var(--mono); margin: 16px 0 6px; }
.prompt {
  white-space: pre-wrap; word-break: break-all; font: 12.5px/1.55 var(--mono); background: #1d1b17; color: #efe6d2;
  padding: 14px 16px; border-radius: 4px; margin: 8px 0 0; max-height: 340px; overflow: auto;
}
.invite { font: 14px var(--mono); padding: 12px; border: 1.5px dashed var(--line); border-radius: 4px; word-break: break-all; }
.invite.muted { color: var(--mute); }
.tasks { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 10px; font-size: 15px; }
.tasks input { accent-color: var(--red); }

.rules ol { margin: 10px 0 0; padding-left: 22px; }
.rules li { margin: 8px 0; }
.contracts dl { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; font: 13px var(--mono); margin: 10px 0; }
.contracts dt { color: var(--mute); }
.contracts dd { margin: 0; word-break: break-all; }

footer { display: flex; justify-content: space-between; max-width: 920px; margin: 0 auto; padding: 18px 20px 40px; font: 13px var(--mono); color: var(--mute); border-top: 2px solid var(--ink); }

@media (max-width: 640px) {
  .top { padding: 10px 16px; }
  nav { gap: 12px; }
  nav a[href="#rules"] { display: none; }
  main { padding: 0 16px 40px; }
  .hero { padding-top: 40px; }
  .punches { grid-template-columns: 1fr 1fr; }
  .punches > div:nth-child(3) { border-left: 0; padding-left: 0; }
  .board, .panel { padding: 18px 16px; box-shadow: 4px 4px 0 var(--ink); }
  .row { flex-direction: column; }
  footer { flex-direction: column; gap: 4px; }
}
.btn-link { display: inline-block; text-decoration: none; margin: 12px 0 2px; }
.bonus { margin-top: 18px; padding-top: 14px; border-top: 1.5px dashed var(--line); }
#bonus-msg { font: 15px var(--mono); margin: 0 0 6px; }
.card-box { margin: 14px 0 4px; }
.card-box img { display: block; width: 100%; max-width: 560px; height: auto; border: 2px solid var(--ink); border-radius: 4px; box-shadow: 4px 4px 0 var(--ink); }
.card-box a { display: inline-block; margin-top: 8px; }