:root {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #17232e;
  background: #f4f0e7;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  --bg: #f4f0e7;
  --surface: #fbf8f1;
  --surface-strong: #ffffff;
  --ink: #17232e;
  --muted: #65717a;
  --line: #d6d2c9;
  --red: #c51f31;
  --red-dark: #8d1222;
  --green: #1f765b;
  --amber: #b56b08;
  --shadow: 0 24px 80px rgba(26, 34, 40, 0.1);
}

.high-contrast {
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-strong: #ffffff;
  --ink: #000000;
  --muted: #222222;
  --line: #000000;
  --red: #a50000;
  --green: #005a2b;
  --amber: #704000;
}

* { box-sizing: border-box; }
html { min-width: 320px; background: var(--bg); }
body { margin: 0; min-width: 320px; min-height: 100vh; background: var(--bg); color: var(--ink); }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible, input:focus-visible, label:has(input:focus-visible) { outline: 3px solid var(--ink); outline-offset: 3px; }
a { color: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.topbar {
  height: 72px; display: flex; align-items: center; justify-content: space-between;
  padding: 0 clamp(18px, 4vw, 64px); border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--bg) 92%, transparent);
  position: sticky; top: 0; z-index: 30; backdrop-filter: blur(14px);
}
.brand-button { border: 0; background: transparent; display: flex; align-items: center; gap: 12px; color: var(--ink); font-weight: 800; letter-spacing: .04em; cursor: pointer; }
.brand-mark { display: grid; place-items: center; width: 36px; height: 36px; background: var(--red); color: white; font-size: 12px; letter-spacing: .08em; }
.topbar-actions { display: flex; align-items: center; gap: 8px; }
.icon-button, .text-button, .secondary-button, .primary-button { border: 0; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; gap: 9px; }
.icon-button { width: 42px; height: 42px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); }
.text-button { background: transparent; color: var(--muted); font-weight: 700; padding: 10px 12px; }
.primary-button { background: var(--red); color: #fff; padding: 14px 20px; min-height: 50px; font-weight: 800; letter-spacing: .01em; box-shadow: 0 10px 24px rgba(197,31,49,.17); }
.primary-button:hover { background: var(--red-dark); }
.primary-button:disabled { opacity: .42; cursor: not-allowed; box-shadow: none; }
.primary-button--large { padding: 18px 24px; }
.secondary-button { background: var(--surface); border: 1px solid var(--line); color: var(--ink); padding: 14px 18px; min-height: 50px; font-weight: 750; }
.eyebrow { display: block; color: var(--red); font: 500 12px/1.3 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; letter-spacing: .14em; text-transform: uppercase; }

.intro-screen { min-height: calc(100vh - 72px); display: flex; flex-direction: column; padding: clamp(32px, 7vw, 100px) clamp(18px, 5vw, 80px) 24px; background-image: linear-gradient(rgba(23,35,46,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(23,35,46,.035) 1px, transparent 1px); background-size: 42px 42px; }
.intro-grid { width: min(1260px, 100%); margin: auto; display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(44px, 7vw, 110px); align-items: center; }
.independent-label { display: inline-flex; padding: 8px 10px; border: 1px solid var(--ink); font: 500 11px ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 32px; }
.intro-copy h1 { font-size: clamp(62px, 9vw, 128px); line-height: .84; letter-spacing: -.075em; margin: 18px 0 30px; max-width: 720px; }
.intro-lede { font-size: clamp(20px, 2.2vw, 30px); line-height: 1.35; max-width: 690px; color: #374651; }
.intro-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.runtime { display: flex; align-items: center; gap: 8px; margin-top: 18px; color: var(--muted); font-size: 13px; }
.crisis-card { background: var(--ink); color: #fff; padding: clamp(28px, 4vw, 52px); box-shadow: var(--shadow); position: relative; overflow: hidden; }
.crisis-card::after { content: ''; position: absolute; width: 190px; height: 190px; border: 36px solid rgba(255,255,255,.05); border-radius: 50%; right: -85px; top: -80px; }
.crisis-card .eyebrow { color: #ff7f8e; }
.crisis-grid { display: grid; grid-template-columns: 1fr 1fr; margin: 24px 0 32px; border-top: 1px solid rgba(255,255,255,.2); border-left: 1px solid rgba(255,255,255,.2); }
.crisis-grid div { padding: 22px 16px; border-right: 1px solid rgba(255,255,255,.2); border-bottom: 1px solid rgba(255,255,255,.2); }
.crisis-grid strong { display: block; font-size: clamp(25px, 3vw, 40px); letter-spacing: -.04em; }
.crisis-grid span { font-size: 12px; color: rgba(255,255,255,.65); }
.crisis-callout { background: var(--red); padding: 20px; }
.crisis-callout span { font: 500 11px ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; letter-spacing: .14em; }
.crisis-callout p { margin: 8px 0 0; line-height: 1.5; }
.crisis-card small { display: block; margin-top: 18px; color: rgba(255,255,255,.55); line-height: 1.5; }
.intro-screen footer { text-align: center; color: var(--muted); font-size: 12px; margin-top: 42px; }

.game-shell { padding: 24px clamp(14px, 3vw, 46px) 60px; }
.metric-rail { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 8px; max-width: 1500px; margin: 0 auto 20px; overflow-x: auto; }
.metric-card { min-width: 145px; display: flex; gap: 10px; align-items: center; border: 1px solid var(--line); background: var(--surface); padding: 12px; }
.metric-card svg { flex: 0 0 auto; }
.metric-card span { display: block; font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: .07em; }
.metric-card strong { font-size: 17px; letter-spacing: -.03em; }
.metric-card--good { border-top: 3px solid var(--green); }
.metric-card--bad { border-top: 3px solid var(--red); }
.metric-card--warn { border-top: 3px solid var(--amber); }
.metric-card--neutral { border-top: 3px solid var(--ink); }
.game-grid { max-width: 1500px; margin: auto; display: grid; grid-template-columns: minmax(0, 1.48fr) minmax(340px, .72fr); gap: 20px; align-items: start; }
.game-primary, .trajectory-card, .network-card, .brief-card { background: var(--surface); border: 1px solid var(--line); }
.game-primary { min-height: 700px; }
.decision-round, .consequence-panel { padding: clamp(24px, 4vw, 56px); }
.round-progress { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 12px; font: 500 11px ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 46px; }
.round-progress__track { height: 4px; background: var(--line); }
.round-progress__track i { display: block; height: 100%; background: var(--red); transition: width .35s ease; }
.decision-round h1, .consequence-panel h1 { font-size: clamp(40px, 5vw, 72px); letter-spacing: -.055em; line-height: .95; margin: 12px 0 18px; }
.round-briefing { font-size: clamp(17px, 1.6vw, 22px); line-height: 1.55; color: #45525c; max-width: 860px; }
.fact-strip { display: flex; align-items: flex-start; gap: 10px; padding: 14px 16px; background: #e9e5db; border-left: 3px solid var(--ink); margin: 24px 0 28px; font-size: 13px; line-height: 1.5; }
.fact-strip a { display: inline-flex; align-items: center; gap: 4px; margin-left: auto; color: var(--red); white-space: nowrap; font-weight: 800; text-decoration: none; }
.decision-options { padding: 0; border: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin: 0; }
.decision-options--event { grid-template-columns: repeat(3, 1fr); }
.decision-card { position: relative; display: flex; flex-direction: column; min-height: 300px; padding: 22px; border: 1px solid var(--line); background: var(--surface-strong); cursor: pointer; transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease; }
.decision-card:hover { transform: translateY(-3px); border-color: var(--ink); }
.decision-card--selected { border: 2px solid var(--red); box-shadow: 0 14px 34px rgba(197,31,49,.12); padding: 21px; }
.decision-card input { position: absolute; opacity: 0; pointer-events: none; }
.decision-card__top { display: flex; align-items: center; gap: 10px; }
.decision-letter { display: grid; place-items: center; width: 34px; height: 34px; background: var(--ink); color: white; font: 500 13px ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; }
.decision-badge { font: 500 10px ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; text-transform: uppercase; color: var(--muted); letter-spacing: .08em; }
.decision-check { margin-left: auto; color: var(--red); }
.decision-card h2 { font-size: 21px; line-height: 1.1; letter-spacing: -.025em; margin: 20px 0 10px; }
.decision-card p { color: var(--muted); line-height: 1.5; font-size: 14px; margin: 0 0 18px; }
.effect-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; }
.effect-chips span { display: inline-flex; align-items: center; gap: 5px; background: #ece8df; padding: 7px 8px; font: 600 11px ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; }
.decision-card small { margin-top: 14px; color: var(--red); line-height: 1.4; }
.sticky-confirm { margin-top: 24px; min-width: 210px; }
.toggle-card { display: flex; align-items: center; justify-content: space-between; gap: 22px; padding: 18px; border: 1px solid var(--line); background: #ebe7de; margin-top: 14px; }
.toggle-card strong, .toggle-card span { display: block; }
.toggle-card span { color: var(--muted); font-size: 13px; margin-top: 4px; }
.toggle-card input { width: 48px; height: 26px; accent-color: var(--red); }
.lever-card { border: 1px solid var(--line); background: #ebe7de; margin-top: 14px; padding: 18px; }
.lever-card legend { padding: 0 8px; }
.lever-card legend strong, .lever-card legend span { display: block; }
.lever-card legend span { margin-top: 3px; color: var(--muted); font-size: 13px; font-weight: 400; }
.lever-options { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.lever-option { position: relative; display: grid; place-items: center; min-height: 54px; padding: 10px; border: 1px solid var(--line); background: var(--surface-strong); cursor: pointer; text-align: center; }
.lever-option:hover { border-color: var(--ink); }
.lever-option--selected { border: 2px solid var(--red); padding: 9px; box-shadow: 0 8px 20px rgba(197,31,49,.1); }
.lever-option input { position: absolute; opacity: 0; }
.lever-option strong { font-size: 14px; }
.lever-summary { margin: 12px 0 0; font-size: 13px; color: var(--muted); }
.lever-summary strong { color: var(--ink); }
.decision-detail { display: inline-flex; margin: -4px 0 20px; padding: 8px 11px; border: 1px solid var(--line); background: #ebe7de; color: var(--muted); font: 600 12px ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; }
.decision-receipt strong small { display: block; margin-top: 3px; color: var(--muted); font-size: 11px; font-weight: 500; }


.game-sidebar { display: grid; gap: 20px; position: sticky; top: 96px; }
.trajectory-card, .network-card, .brief-card { padding: 20px; }
.panel-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 12px; }
.panel-heading h3 { margin: 5px 0 0; font-size: 20px; letter-spacing: -.03em; }
.trajectory { width: 100%; height: auto; overflow: visible; }
.trajectory__zero { stroke: var(--line); stroke-dasharray: 5 5; }
.trajectory__line { fill: none; stroke: var(--red); stroke-width: 4; stroke-linejoin: round; stroke-linecap: round; }
.trajectory__point { fill: var(--surface); stroke: var(--red); stroke-width: 3; }
.trajectory__year { fill: var(--muted); font: 11px ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; }
.status-dot { font: 500 10px ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; text-transform: uppercase; color: var(--green); border: 1px solid currentColor; padding: 5px 7px; }
.status-dot--bad { color: var(--red); }
.postal-network { width: 100%; min-height: 150px; }
.postal-network__route { fill: none; stroke: var(--ink); stroke-width: 3; stroke-dasharray: 7 7; opacity: .68; }
.postal-network__mobile { fill: none; stroke: var(--amber); stroke-width: 2; stroke-dasharray: 4 5; }
.postal-network__node { stroke: var(--surface); stroke-width: 3; }
.postal-network__node--hub { fill: var(--red); }
.postal-network__node--rural { fill: var(--ink); }
.postal-network__node--remote { fill: var(--amber); }
.postal-network__node--dim { opacity: .22; }
.postal-network__parcel { fill: var(--green); }
.postal-network__parcel-hub { fill: var(--green); }
.postal-network__label { fill: var(--red); font: 700 11px ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; }
.postal-network--disrupted { animation: networkPulse 1s ease-in-out infinite alternate; }
.network-legend { display: flex; flex-wrap: wrap; gap: 12px; color: var(--muted); font-size: 11px; }
.network-legend span { display: inline-flex; align-items: center; gap: 5px; }
.legend-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; }
.legend-dot--hub { background: var(--red); }.legend-dot--rural { background: var(--ink); }.legend-dot--remote { background: var(--amber); }
.brief-card p { line-height: 1.55; margin: 10px 0 16px; }
.brief-card small { color: var(--muted); }

.consequence-summary { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 28px 0; }
.consequence-summary article { border: 1px solid var(--line); background: var(--surface-strong); padding: 20px; }
.consequence-summary span, .consequence-summary small { display: block; color: var(--muted); }
.consequence-summary strong { display: block; font-size: 31px; margin: 8px 0 4px; }
.consequence-summary small { font-size: 11px; }
.consequence-copy { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.consequence-copy div { padding: 20px; border-left: 3px solid var(--green); background: #e8ece5; }
.consequence-copy div + div { border-color: var(--amber); background: #f1e9d8; }
.consequence-copy span { font: 500 10px ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; text-transform: uppercase; letter-spacing: .1em; }
.consequence-copy p { line-height: 1.55; margin: 9px 0 0; }
.event-card { margin-top: 20px; padding: 24px; color: white; background: var(--ink); }
.event-card__flag { display: inline-block; background: var(--red); padding: 5px 7px; font: 500 10px ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; text-transform: uppercase; }
.event-card h2 { font-size: 26px; margin: 16px 0 8px; }
.event-card p { line-height: 1.55; color: rgba(255,255,255,.82); }
.event-card small { color: rgba(255,255,255,.55); }
.event-card .effect-chips span { color: var(--ink); }
.model-note { color: var(--muted); font-size: 12px; line-height: 1.5; margin: 24px 0; }
.event-icon { width: 56px; height: 56px; display: grid; place-items: center; color: white; background: var(--red); margin-top: 20px; }

.drawer-shell { position: fixed; inset: 0; z-index: 100; pointer-events: none; visibility: hidden; }
.drawer-shell--open { pointer-events: auto; visibility: visible; }
.drawer-backdrop { position: absolute; inset: 0; border: 0; background: rgba(16,22,27,.55); opacity: 0; transition: opacity .2s ease; }
.drawer-shell--open .drawer-backdrop { opacity: 1; }
.methodology-drawer { position: absolute; right: 0; top: 0; bottom: 0; width: min(620px, 94vw); overflow-y: auto; background: var(--surface); padding: clamp(24px, 5vw, 52px); transform: translateX(100%); transition: transform .25s ease; box-shadow: var(--shadow); }
.drawer-shell--open .methodology-drawer { transform: translateX(0); }
.drawer-header { display: flex; justify-content: space-between; gap: 20px; align-items: flex-start; }
.drawer-header h2 { font-size: 38px; margin: 8px 0 18px; letter-spacing: -.04em; }
.methodology-drawer p, .methodology-drawer li { line-height: 1.6; color: #46535d; }
.methodology-drawer h3 { margin-top: 30px; }
.source-list { display: grid; gap: 8px; }
.source-list a { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; text-decoration: none; border: 1px solid var(--line); padding: 14px; background: var(--surface-strong); }
.source-list strong { font-size: 14px; }
.source-list span { font-size: 12px; color: var(--muted); }
.source-list svg { grid-row: 1 / 3; grid-column: 2; align-self: center; }
.drawer-disclaimer { border-top: 1px solid var(--line); padding-top: 20px; margin-top: 28px; font-size: 12px; }

.results-screen { max-width: 1180px; margin: auto; padding: clamp(48px, 8vw, 110px) clamp(18px, 5vw, 60px); }
.result-hero { border-left: 10px solid var(--red); padding-left: clamp(22px, 4vw, 50px); max-width: 950px; }
.result-hero h1 { font-size: clamp(48px, 7vw, 94px); letter-spacing: -.065em; line-height: .95; margin: 14px 0 22px; }
.result-hero p { font-size: clamp(18px, 2vw, 26px); line-height: 1.5; color: #46535d; }
.result-metrics { display: grid; grid-template-columns: repeat(3, 1fr); margin: 50px 0 22px; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.result-metrics div { padding: 25px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--surface); }
.result-metrics span { display: block; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
.result-metrics strong { display: block; font-size: 32px; margin-top: 8px; }
.result-analysis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.result-analysis article { background: var(--ink); color: white; padding: 25px; }
.result-analysis span { font: 500 10px ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; text-transform: uppercase; color: #ff8b98; letter-spacing: .1em; }
.result-analysis p { line-height: 1.6; }
.decision-receipt { margin: 22px 0; background: var(--surface); border: 1px solid var(--line); padding: 24px; }
.decision-receipt > div { display: grid; grid-template-columns: 34px 1fr 30px; align-items: center; border-top: 1px solid var(--line); padding: 13px 0; }
.decision-receipt > div:first-of-type { margin-top: 14px; }
.decision-receipt > div span { color: var(--red); font: 500 12px ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; }
.decision-receipt > div i { font-style: normal; font-weight: 800; text-align: right; }
.result-actions { display: flex; flex-wrap: wrap; gap: 10px; }

@keyframes networkPulse { from { opacity: 1; } to { opacity: .63; } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
  .postal-network__parcel { display: none; }
}

@media (max-width: 1100px) {
  .metric-rail { grid-template-columns: repeat(7, 150px); padding-bottom: 4px; }
  .game-grid { grid-template-columns: 1fr; }
  .game-sidebar { position: static; grid-template-columns: 1fr 1fr; }
  .brief-card { grid-column: 1 / -1; }
  .decision-options { grid-template-columns: 1fr; }
  .decision-card { min-height: auto; }
}

@media (max-width: 820px) {
  .intro-grid { grid-template-columns: 1fr; }
  .intro-copy h1 { font-size: clamp(66px, 18vw, 110px); }
  .crisis-card { margin-top: 12px; }
  .game-sidebar { grid-template-columns: 1fr; }
  .brief-card { grid-column: auto; }
  .consequence-copy, .consequence-summary, .result-analysis { grid-template-columns: 1fr; }
  .result-metrics { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .topbar { padding: 0 12px; height: 64px; }
  .brand-button > span:last-child { display: none; }
  .topbar-actions .text-button { display: none; }
  .intro-screen { min-height: calc(100vh - 64px); }
  .intro-actions { flex-direction: column; align-items: stretch; }
  .crisis-grid { grid-template-columns: 1fr; }
  .game-shell { padding: 12px 10px 80px; }
  .game-primary { min-height: auto; }
  .decision-round, .consequence-panel { padding: 24px 18px 100px; }
  .round-progress { margin-bottom: 30px; }
  .decision-round h1, .consequence-panel h1 { font-size: 46px; }
  .fact-strip { flex-wrap: wrap; }
  .fact-strip a { margin-left: 28px; }
  .sticky-confirm { position: fixed; z-index: 25; bottom: 10px; left: 10px; right: 10px; width: calc(100% - 20px); margin: 0; box-shadow: 0 10px 35px rgba(0,0,0,.25); }
  .toggle-card { align-items: flex-start; }
  .lever-options { grid-template-columns: 1fr; }
  .result-metrics { grid-template-columns: 1fr; }
  .results-screen { padding-top: 52px; }
  .result-actions { flex-direction: column; align-items: stretch; }
}

.plain-icon { font-size: 18px; line-height: 1; width: 20px; text-align: center; }
.choice-input { position: absolute; opacity: 0; pointer-events: none; }
.hidden { display: none !important; }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--ink); color: white; padding: 12px 18px; z-index: 200; box-shadow: var(--shadow); font-size: 13px; }