:root {
  color-scheme: light dark;
  --paper: #f2f0e9;
  --paper-deep: #e7e4db;
  --ink: #181916;
  --ink-soft: #5c5e58;
  --line: #c9c7be;
  --accent: #ef5b2a;
  --accent-dark: #b93610;
  --panel: rgba(250, 249, 245, 0.82);
  --radius: 16px;
  --shadow: 0 18px 50px rgba(52, 45, 32, 0.12);
  font-family: "Avenir Next", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-width: 320px;
  min-height: 100dvh;
  color: var(--ink);
  background:
    linear-gradient(rgba(24, 25, 22, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(24, 25, 22, 0.035) 1px, transparent 1px),
    var(--paper);
  background-size: 24px 24px;
}

button, canvas { touch-action: none; }
button { font: inherit; }

.app-shell { width: min(1180px, calc(100% - 32px)); margin: 0 auto; padding: 20px 0 80px; }
.topbar { height: 64px; display: flex; align-items: center; justify-content: space-between; border-bottom: 2px solid var(--ink); }
.brand { display: inline-flex; align-items: center; gap: 10px; color: inherit; text-decoration: none; font-size: 18px; font-weight: 800; letter-spacing: -.04em; }
.brand-mark { width: 34px; height: 34px; display: grid; place-items: center; color: var(--paper); background: var(--ink); border-radius: 10px 6px 11px 7px; transform: rotate(-3deg); }
.record { display: flex; align-items: baseline; gap: 9px; font-size: 12px; color: var(--ink-soft); }
.record strong { color: var(--ink); font-size: 15px; }

.intro { min-height: 250px; display: grid; grid-template-columns: 1.45fr .55fr; align-items: end; gap: 40px; padding: 48px 0 42px; }
.intro h1 { max-width: 760px; margin: 8px 0 0; font-size: clamp(48px, 8vw, 94px); line-height: .92; letter-spacing: -.075em; }
.intro > p { max-width: 27ch; margin: 0 0 8px; color: var(--ink-soft); font-size: 17px; line-height: 1.7; }
.eyebrow, .stage-label { color: var(--accent-dark); font-size: 12px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow { margin: 0; }

.game-grid { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(280px, .7fr); gap: 18px; align-items: stretch; }
.board-panel, .stats-panel, .arena-section, .leaderboard { background: var(--panel); border: 1px solid rgba(24,25,22,.16); border-radius: var(--radius); box-shadow: var(--shadow); }
.board-panel { padding: 24px; }
.stats-panel { display: flex; flex-direction: column; padding: 24px; }
.panel-head, .arena-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; }
.panel-head h2, .arena-heading h2, .leaderboard h2 { margin: 5px 0 0; font-size: clamp(23px, 3vw, 32px); letter-spacing: -.05em; }
.text-button { padding: 5px 0; border: 0; color: var(--ink-soft); background: transparent; cursor: pointer; border-bottom: 1px solid currentColor; }

.ink-meter { display: grid; grid-template-columns: 110px 1fr; gap: 14px; align-items: center; margin: 22px 0 14px; }
.ink-copy { display: flex; justify-content: space-between; align-items: baseline; color: var(--ink-soft); font-size: 12px; }
.ink-copy strong { color: var(--ink); font-size: 22px; }
.ink-track { height: 9px; overflow: hidden; background: var(--paper-deep); border-radius: 99px; }
.ink-track span { display: block; width: 100%; height: 100%; transform-origin: left; background: var(--accent); border-radius: inherit; transition: transform .25s ease; }

.canvas-wrap { position: relative; overflow: hidden; border: 2px solid var(--ink); border-radius: 12px; background: rgba(255,255,255,.4); }
.draw-wrap { aspect-ratio: 640 / 760; max-height: 54vh; min-height: 390px; }
canvas { display: block; width: 100%; height: 100%; }
.canvas-hint { position: absolute; left: 50%; bottom: 16px; transform: translateX(-50%); width: max-content; max-width: calc(100% - 24px); padding: 7px 12px; color: var(--ink-soft); background: rgba(242,240,233,.88); border-radius: 8px; font-size: 12px; pointer-events: none; transition: opacity .2s; }
.canvas-hint.hidden { opacity: 0; }

.part-progress { display: grid; grid-template-columns: repeat(6, 1fr); gap: 6px; margin: 14px 0; }
.part-progress span { height: 5px; background: var(--paper-deep); border-radius: 99px; }
.part-progress span.done, .part-progress span.active { background: var(--accent); }
.part-progress span.active { animation: pulse 1.1s ease-in-out infinite alternate; }

.primary-button, .secondary-button { min-height: 50px; padding: 0 22px; border-radius: 12px; border: 2px solid var(--ink); font-weight: 800; cursor: pointer; transition: transform .15s ease, background .15s ease; white-space: nowrap; }
.primary-button { width: 100%; color: #fff8f1; background: var(--accent-dark); }
.secondary-button { color: var(--ink); background: transparent; }
.primary-button:hover:not(:disabled) { background: var(--accent); }
.primary-button:active:not(:disabled), .secondary-button:active { transform: translateY(1px) scale(.99); }
.primary-button:disabled { color: #85867f; background: var(--paper-deep); border-color: var(--line); cursor: not-allowed; }

.status-tag { padding: 6px 9px; color: var(--ink-soft); background: var(--paper-deep); border-radius: 8px; font-size: 12px; font-weight: 700; }
.status-tag.ready { color: #fff8f1; background: var(--accent-dark); }
.mini-figure { height: 250px; margin: 14px 0; border-bottom: 1px solid var(--line); }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.stat-grid div { min-height: 88px; display: flex; flex-direction: column; justify-content: space-between; padding: 14px; background: var(--panel); }
.stat-grid span { color: var(--ink-soft); font-size: 12px; }
.stat-grid strong { font-size: 30px; letter-spacing: -.06em; }
.coach-note { margin: auto 0 0; padding-top: 20px; color: var(--ink-soft); line-height: 1.6; }

.arena-section { margin-top: 18px; padding: 24px; }
.scoreboard { display: grid; grid-template-columns: 1fr auto 1fr; gap: 12px; align-items: center; text-align: center; color: var(--ink-soft); font-size: 13px; }
.scoreboard strong { padding: 8px 12px; color: var(--ink); background: var(--paper-deep); border-radius: 8px; font-size: 20px; }
.arena-wrap { height: min(56vw, 550px); min-height: 360px; margin-top: 18px; background: #dcd9cf; }
.battle-hud { position: absolute; top: 14px; left: 16px; right: 16px; display: grid; grid-template-columns: 1fr auto 1fr; gap: 18px; align-items: start; pointer-events: none; }
.fighter-hud { display: grid; gap: 6px; color: var(--ink); font-size: 12px; font-weight: 800; }
.enemy-hud { text-align: right; }
.health-track { height: 10px; overflow: hidden; background: rgba(24,25,22,.2); border: 2px solid var(--ink); border-radius: 6px; }
.health-track i { display: block; width: 100%; height: 100%; transform-origin: left; background: var(--accent); transition: transform .28s cubic-bezier(.16,1,.3,1); }
.enemy-hud .health-track i { transform-origin: right; background: var(--ink); }
.round-clock { min-width: 88px; display: grid; justify-items: center; gap: 2px; padding: 7px 10px; color: #f7f3eb; background: var(--ink); border-radius: 10px; }
.round-clock strong { font-size: 12px; }
.round-clock span { font-size: 23px; font-weight: 900; line-height: 1; }
.action-callout { position: absolute; top: 31%; left: 50%; transform: translate(-50%, 10px) rotate(-2deg); min-height: 1em; color: var(--ink); font-size: clamp(24px, 5vw, 58px); font-weight: 900; letter-spacing: -.06em; opacity: 0; pointer-events: none; text-shadow: 2px 2px 0 rgba(242,240,233,.72); transition: opacity .16s, transform .16s; }
.action-callout.show { opacity: 1; transform: translate(-50%, 0) rotate(-2deg); }
.action-callout.hit { color: var(--accent-dark); transform: translate(-50%, 0) rotate(2deg) scale(1.08); }
.slowmo-tag { position: absolute; right: 16px; bottom: 16px; padding: 6px 9px; color: #f7f3eb; background: var(--accent-dark); border-radius: 8px; font-size: 12px; font-weight: 800; opacity: 0; transform: translateY(8px); transition: opacity .18s, transform .18s; }
.slowmo-tag.show { opacity: 1; transform: translateY(0); }
.fight-overlay { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; color: #f5f2e9; background: rgba(24,25,22,.74); text-align: center; transition: opacity .25s; }
.fight-overlay strong { font-size: clamp(25px, 5vw, 54px); letter-spacing: -.05em; }
.fight-overlay span { margin-top: 8px; color: #d0cdc4; }
.fight-overlay.hidden { opacity: 0; pointer-events: none; }
.arena-actions { display: grid; grid-template-columns: 1fr auto auto; gap: 10px; margin-top: 14px; }
.arena-actions .primary-button { width: auto; }

.leaderboard { display: grid; grid-template-columns: .7fr 1.3fr; gap: 50px; margin-top: 18px; padding: 32px 24px; }
.leaderboard p { max-width: 30ch; color: var(--ink-soft); line-height: 1.6; }
.rank-list { align-self: center; }
.rank-row { display: grid; grid-template-columns: 34px 1fr auto; align-items: center; gap: 12px; padding: 13px 0; border-bottom: 1px solid var(--line); }
.rank-row:last-child { border-bottom: 0; }
.rank-row > span:first-child { font-weight: 900; color: var(--accent-dark); }
.rank-row strong { font-size: 15px; }
.rank-row small { color: var(--ink-soft); }
.empty-rank { padding: 28px; color: var(--ink-soft); text-align: center; border: 1px dashed var(--line); border-radius: 12px; }

.toast { position: fixed; left: 50%; bottom: max(24px, env(safe-area-inset-bottom)); transform: translate(-50%, 20px); z-index: 10; padding: 11px 16px; color: #f7f3eb; background: var(--ink); border-radius: 10px; opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@keyframes pulse { to { opacity: .45; } }

@media (max-width: 760px) {
  .app-shell { width: min(100% - 20px, 620px); padding-top: 8px; }
  .topbar { height: 56px; }
  .intro { min-height: auto; grid-template-columns: 1fr; gap: 18px; padding: 36px 4px 28px; }
  .intro h1 { font-size: clamp(44px, 15vw, 68px); }
  .intro > p { font-size: 15px; }
  .game-grid, .leaderboard { grid-template-columns: 1fr; }
  .board-panel, .stats-panel, .arena-section { padding: 16px; }
  .stats-panel { min-height: auto; }
  .mini-figure { height: 190px; }
  .coach-note { margin-top: 18px; }
  .draw-wrap { min-height: 380px; max-height: none; }
  .arena-heading { display: grid; }
  .scoreboard { width: 100%; }
  .arena-wrap { height: 390px; min-height: 390px; }
  .battle-hud { top: 10px; left: 10px; right: 10px; gap: 8px; }
  .round-clock { min-width: 66px; padding: 6px; }
  .fighter-hud { font-size: 10px; }
  .arena-actions { grid-template-columns: 1fr 1fr; }
  .arena-actions .primary-button { grid-column: 1 / -1; }
  .leaderboard { gap: 20px; padding: 24px 18px; }
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #191a17;
    --paper-deep: #292a26;
    --ink: #efede6;
    --ink-soft: #aaa9a2;
    --line: #43443f;
    --accent: #ff7748;
    --accent-dark: #d44b1d;
    --panel: rgba(34, 35, 31, .92);
    --shadow: 0 18px 50px rgba(0, 0, 0, .26);
  }
  body { background-color: var(--paper); }
  .brand-mark { color: #191a17; background: var(--ink); }
  .canvas-wrap { background: rgba(0,0,0,.16); }
  .canvas-hint { background: rgba(25,26,23,.88); }
  .primary-button { color: #fff8f1; }
  .arena-wrap { background: #252622; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}