:root {
  --paper: #f4f1ea;
  --paper-deep: #e8e3d8;
  --ink: #17191d;
  --muted: #666a70;
  --red: #d9342b;
  --red-dark: #a92520;
  --blue: #234f9f;
  --yellow: #f1c84b;
  --line: #c8c3ba;
  --shadow: 7px 7px 0 rgba(23, 25, 29, 0.11);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--paper); }
button, a { font: inherit; }
button { cursor: pointer; }
.shell { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.page-grain { position: fixed; inset: 0; pointer-events: none; opacity: .12; z-index: 10; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 140 140' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.22'/%3E%3C/svg%3E"); }

.site-header { display: flex; justify-content: space-between; align-items: center; padding: 24px 0 18px; border-bottom: 2px solid var(--ink); }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); text-decoration: none; }
.brand-mark { display: grid; place-items: center; width: 38px; height: 38px; color: var(--paper); background: var(--red); font: 900 25px/1 Georgia, serif; transform: rotate(-7deg); }
.brand-copy { display: grid; gap: 2px; font-size: 11px; letter-spacing: .12em; }
.brand-copy small { color: var(--muted); font-size: 8px; letter-spacing: .22em; }
.header-note { color: var(--muted); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.signal-dot { display: inline-block; width: 8px; height: 8px; margin-right: 8px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 4px rgba(35, 79, 159, .12); }

.hero { position: relative; min-height: 390px; padding: 72px 0 56px; overflow: hidden; }
.hero-slash { position: absolute; z-index: -1; top: -50px; right: 9%; width: 145px; height: 500px; background: var(--red); transform: rotate(24deg); opacity: .92; }
.hero-slash::after { content: ""; position: absolute; top: 40px; right: -28px; width: 26px; height: 330px; background: var(--blue); }
.eyebrow { margin: 0 0 13px; color: var(--red-dark); font-size: 10px; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 760px; margin-bottom: 38px; font: 900 clamp(58px, 10vw, 130px)/.83 Georgia, "Times New Roman", serif; letter-spacing: -.07em; text-transform: uppercase; }
h1 em { color: var(--blue); font-style: normal; }
.hero-bottom { display: flex; align-items: end; justify-content: space-between; max-width: 720px; }
.hero-bottom p { max-width: 450px; margin: 0; font-size: 15px; line-height: 1.6; }
.hero-stamp { padding: 13px 18px; color: var(--paper); background: var(--ink); font: 900 32px/.85 Georgia, serif; transform: rotate(-4deg); }
.hero-stamp span { display: block; margin-top: 9px; font: 700 8px/1 Inter, sans-serif; letter-spacing: .15em; }

.legal-note { display: grid; grid-template-columns: 48px 1fr auto; gap: 18px; align-items: center; padding: 20px 22px; border: 2px solid var(--ink); background: var(--yellow); box-shadow: var(--shadow); }
.legal-icon { display: grid; place-items: center; width: 34px; height: 34px; border: 2px solid var(--ink); border-radius: 50%; font: 900 22px Georgia, serif; }
.legal-note strong { display: block; margin-bottom: 6px; font-size: 14px; }
.legal-note p { max-width: 800px; margin: 0; font-size: 12px; line-height: 1.65; }
.text-link { color: var(--ink); font-size: 11px; font-weight: 800; white-space: nowrap; text-underline-offset: 4px; }

.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 42px 0 64px; }
.stat-card { min-height: 124px; padding: 17px; border: 1px solid var(--line); background: rgba(255,255,255,.25); }
.stat-card-dark { color: var(--paper); border-color: var(--ink); background: var(--ink); }
.stat-card span { display: block; color: var(--muted); font-size: 11px; font-weight: 800; }
.stat-card-dark span { color: #b9bec6; }
.stat-card strong { display: block; margin-top: 18px; font: 900 42px/.8 Georgia, serif; }
.stat-card small { display: block; margin-top: 16px; color: var(--muted); font-size: 8px; letter-spacing: .16em; }
.stat-card-dark small { color: #9da2aa; }

.workspace-grid { display: grid; grid-template-columns: minmax(0, 1.8fr) minmax(270px, .9fr); gap: 42px; padding-bottom: 90px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 16px; margin-bottom: 20px; }
.section-heading h2 { margin: 0; font: 900 42px/.9 Georgia, serif; letter-spacing: -.05em; }
.subsection-heading { margin-top: 62px; }
.section-counter { color: var(--muted); font-size: 11px; }
.button { border: 0; border-radius: 0; font-size: 11px; font-weight: 800; letter-spacing: .05em; }
.button-quiet { padding: 8px 0; color: var(--muted); background: none; border-bottom: 1px solid var(--muted); }
.button-primary { width: 100%; padding: 17px 20px; color: var(--paper); background: var(--red); border: 2px solid var(--ink); box-shadow: 4px 4px 0 var(--ink); font-size: 13px; text-align: left; }
.button-primary span { float: right; font-size: 18px; line-height: .6; }
.button-primary:hover { background: var(--red-dark); transform: translate(2px, 2px); box-shadow: 2px 2px 0 var(--ink); }
.button-primary:disabled { cursor: not-allowed; opacity: .45; background: var(--muted); box-shadow: 4px 4px 0 var(--ink); transform: none; }
.button-outline { width: 100%; padding: 13px; color: var(--ink); border: 1px solid var(--ink); background: transparent; }
.button-outline:hover { color: var(--paper); background: var(--blue); }

.tier-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin-bottom: 12px; }
.tier-tab { min-height: 92px; padding: 13px; color: var(--ink); border: 1px solid var(--line); background: var(--paper-deep); text-align: left; }
.tier-tab span { display: block; color: var(--red-dark); font-size: 10px; font-weight: 800; }
.tier-tab strong { display: block; margin-top: 9px; font: 900 25px/.8 Georgia, serif; }
.tier-tab small { display: block; margin-top: 12px; color: var(--muted); font-size: 9px; }
.tier-tab.is-active { color: var(--paper); border-color: var(--ink); background: var(--blue); }
.tier-tab.is-active span, .tier-tab.is-active small { color: #dce5ff; }
.simulator-panel { padding: 25px; border: 2px solid var(--ink); background: #fffdf8; box-shadow: var(--shadow); }
.panel-topline, .pity-caption { display: flex; justify-content: space-between; gap: 20px; font-size: 11px; font-weight: 800; }
.panel-topline { text-transform: uppercase; }
.pity-track { height: 12px; margin-top: 24px; background: var(--paper-deep); }
.pity-track span { display: block; width: 0%; height: 100%; background: var(--red); transition: width .25s ease; }
.pity-caption { margin: 8px 0 28px; color: var(--muted); font-weight: 500; }
.pity-caption strong { color: var(--ink); }
.owned-tank-section { margin: 0 0 24px; padding: 15px; border: 1px solid var(--line); background: var(--paper); }
.owned-tank-heading { display: flex; justify-content: space-between; align-items: end; gap: 16px; }
.owned-tank-heading .eyebrow { margin-bottom: 6px; }
.owned-tank-heading strong { display: block; font: 900 21px/.9 Georgia, serif; }
.owned-tank-heading > span { color: var(--red-dark); font: 900 16px/.9 Georgia, serif; white-space: nowrap; }
.owned-tank-help { margin: 12px 0 14px; }
.owned-tank-selector { display: grid; gap: 12px; }
.owned-tank-group { padding-top: 10px; border-top: 1px solid var(--line); }
.owned-tank-group:first-child { padding-top: 0; border-top: 0; }
.owned-tank-group-heading { display: flex; justify-content: space-between; margin-bottom: 6px; color: var(--muted); font-size: 10px; font-weight: 800; }
.owned-tank-group-heading strong { color: var(--red-dark); font: 900 12px/1 Georgia, serif; }
.owned-tank-group-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 5px; }
.owned-tank-option { display: flex; align-items: center; gap: 8px; min-width: 0; padding: 8px 9px; color: var(--ink); border: 1px solid var(--line); background: #fffdf8; font-size: 10px; text-align: left; }
.owned-tank-option::before { content: ""; flex: 0 0 auto; width: 10px; height: 10px; border: 1px solid var(--muted); background: transparent; }
.owned-tank-option.is-owned { color: var(--paper); border-color: var(--ink); background: var(--ink); font-weight: 800; }
.owned-tank-option.is-owned::before { border-color: var(--yellow); background: var(--yellow); box-shadow: inset 0 0 0 2px var(--ink); }
.owned-tank-option:hover { border-color: var(--blue); }
.purchase-options { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; margin-bottom: 14px; }
.purchase-option { padding: 11px 6px; border: 1px solid var(--line); background: var(--paper); text-align: center; }
.purchase-option.is-selected { color: var(--paper); border-color: var(--ink); background: var(--ink); }
.purchase-option strong { display: block; font: 900 20px/.9 Georgia, serif; }
.purchase-option small { display: block; margin-top: 8px; color: var(--muted); font-size: 9px; }
.purchase-option.is-selected small { color: #c4c8ce; }
.microcopy { margin: 15px 0 0; color: var(--muted); font-size: 10px; line-height: 1.5; }

.queue-panel { min-height: 88px; padding: 18px; border-left: 4px solid var(--blue); background: var(--paper-deep); }
.queue-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.queue-item { padding: 12px; border: 1px solid var(--line); background: var(--paper); }
.queue-item strong { display: block; font: 900 24px/.8 Georgia, serif; }
.queue-item span { display: block; margin-top: 8px; color: var(--muted); font-size: 10px; }
.queue-item button { width: 100%; margin-top: 13px; padding: 8px; color: var(--paper); border: 0; background: var(--blue); font-size: 10px; font-weight: 800; }
.empty-state { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.6; }

.history-list { display: grid; gap: 5px; }
.history-entry { display: grid; grid-template-columns: 44px 112px 1fr auto; gap: 10px; align-items: center; padding: 11px 13px; border-left: 4px solid var(--line); background: rgba(255,255,255,.37); font-size: 11px; }
.history-entry.tank { border-left-color: var(--red); }
.history-entry.rare { border-left-color: var(--blue); }
.history-number { color: var(--muted); font-size: 10px; }
.history-type { color: var(--muted); font-size: 10px; }
.history-reward { font-weight: 700; }
.history-extra { color: var(--muted); font-size: 10px; text-align: right; }

.side-column { display: grid; align-content: start; gap: 16px; }
.side-card { padding: 20px; border: 1px solid var(--line); background: rgba(255,255,255,.2); }
.side-card-heading { display: flex; justify-content: space-between; align-items: start; margin-bottom: 18px; }
.side-card h3 { margin: 0; font: 900 27px/.9 Georgia, serif; letter-spacing: -.04em; }
.side-card-heading > span { color: var(--red-dark); font: 900 18px/.8 Georgia, serif; }
.collection-list { display: grid; gap: 10px; }
.tank-group { padding-top: 10px; border-top: 1px solid var(--line); }
.tank-group:first-child { padding-top: 0; border-top: 0; }
.tank-group-title { display: flex; justify-content: space-between; margin-bottom: 6px; color: var(--muted); font-size: 10px; font-weight: 800; }
.tank-row { display: flex; justify-content: space-between; gap: 10px; padding: 5px 0; font-size: 10px; }
.tank-row.owned { color: var(--blue); font-weight: 800; }
.tank-row .tank-status { color: var(--muted); }
.tank-row.owned .tank-status { color: var(--blue); }
.resource-list { display: grid; gap: 8px; }
.resource-row { display: flex; justify-content: space-between; gap: 12px; padding-bottom: 8px; border-bottom: 1px solid var(--line); font-size: 11px; }
.resource-row span:last-child { color: var(--red-dark); font-weight: 900; }
.source-card { color: var(--paper); border-color: var(--ink); background: var(--ink); }
.source-card .eyebrow { color: var(--yellow); }
.source-card h3 { margin-bottom: 18px; color: var(--paper); }
.source-card ol { margin: 0 0 20px; padding-left: 20px; color: #c6c9ce; font-size: 11px; line-height: 1.7; }
.source-card .button-outline { color: var(--paper); border-color: #858b94; }
.source-card .button-outline:hover { border-color: var(--paper); background: var(--red); }

.site-footer { display: flex; justify-content: space-between; padding: 18px 0 28px; border-top: 2px solid var(--ink); color: var(--muted); font-size: 9px; letter-spacing: .1em; }
.probability-dialog { width: min(760px, calc(100% - 28px)); max-height: 86vh; padding: 25px; color: var(--ink); border: 2px solid var(--ink); background: var(--paper); box-shadow: 10px 10px 0 var(--red); }
.probability-dialog::backdrop { background: rgba(23,25,29,.62); }
.dialog-header { display: flex; justify-content: space-between; gap: 20px; align-items: start; padding-bottom: 20px; border-bottom: 2px solid var(--ink); }
.dialog-header h2 { margin: 0; font: 900 42px/.9 Georgia, serif; letter-spacing: -.05em; }
.close-button { width: 32px; height: 32px; color: var(--paper); border: 0; background: var(--ink); font-size: 22px; line-height: 1; }
.dialog-intro { margin: 18px 0; color: var(--muted); font-size: 11px; line-height: 1.6; }
.probability-table { display: grid; gap: 8px; overflow: auto; }
.probability-row { display: grid; grid-template-columns: 1fr 110px; gap: 14px; align-items: center; padding: 10px 12px; border-left: 3px solid var(--blue); background: #fffdf8; font-size: 11px; }
.probability-row.group { color: var(--paper); border-left-color: var(--red); background: var(--ink); font-weight: 800; }
.probability-row small { display: block; margin-top: 3px; color: var(--muted); font-size: 9px; }
.probability-row.group small { color: #b8bdc4; }
.probability-value { font-weight: 900; text-align: right; }
.dialog-footnote { margin-top: 20px; padding-top: 15px; border-top: 1px solid var(--line); color: var(--muted); font-size: 10px; line-height: 1.6; }

@media (max-width: 850px) {
  .workspace-grid { grid-template-columns: 1fr; }
  .side-column { grid-template-columns: repeat(2, 1fr); }
  .source-card { grid-column: 1 / -1; }
}
@media (max-width: 620px) {
  .shell { width: min(100% - 28px, 1180px); }
  .site-header { padding-top: 17px; }
  .header-note { display: none; }
  .hero { min-height: 370px; padding-top: 55px; }
  .hero-slash { right: -10%; opacity: .7; }
  .hero-bottom { align-items: start; gap: 24px; flex-direction: column; }
  .hero-stamp { align-self: end; }
  .legal-note { grid-template-columns: 36px 1fr; padding: 16px; }
  .legal-note .text-link { grid-column: 2; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); margin: 32px 0 50px; }
  .stat-card strong { font-size: 34px; }
  .section-heading h2 { font-size: 34px; }
  .tier-tab { min-height: 82px; padding: 10px; }
  .tier-tab strong { font-size: 20px; }
  .tier-tab small { font-size: 8px; }
  .simulator-panel { padding: 17px; }
  .owned-tank-group-options { grid-template-columns: 1fr; }
  .purchase-options { grid-template-columns: repeat(3, 1fr); }
  .purchase-option:last-child { grid-column: span 3; }
  .queue-grid { grid-template-columns: 1fr; }
  .history-entry { grid-template-columns: 38px 1fr auto; }
  .history-type { display: none; }
  .side-column { grid-template-columns: 1fr; }
  .site-footer { display: grid; gap: 8px; }
  .probability-dialog { padding: 18px; }
  .dialog-header h2 { font-size: 32px; }
}