/* Mystery bounty — Luxe Black & Gold (tokens: design-tokens.css, a verbatim copy of
   brand/design-tokens.css). Sized up from the token baseline for arm's-length reading in
   a dim card room: numbers are the content, labels stay small. */

@font-face { font-family: 'DM Sans'; font-weight: 400 600; font-display: swap; src: url(fonts/dm-sans-latin-var.woff2) format('woff2'); }
@font-face { font-family: 'IBM Plex Mono'; font-weight: 400; font-display: swap; src: url(fonts/ibm-plex-mono-400-latin.woff2) format('woff2'); }
@font-face { font-family: 'IBM Plex Mono'; font-weight: 500; font-display: swap; src: url(fonts/ibm-plex-mono-500-latin.woff2) format('woff2'); }
@font-face { font-family: 'IBM Plex Mono'; font-weight: 600; font-display: swap; src: url(fonts/ibm-plex-mono-600-latin.woff2) format('woff2'); }
@font-face { font-family: 'Oswald'; font-weight: 700; font-display: swap; src: url(fonts/oswald-700-latin.woff2) format('woff2'); }

:root {
  --tap: 48px;          /* every control clears the 44px floor */
  --tabbar-h: 60px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: var(--lh-normal);
  -webkit-tap-highlight-color: transparent;
  padding-bottom: calc(var(--tabbar-h) + env(safe-area-inset-bottom) + var(--space-page-y));
}
button, input, select, textarea { font: inherit; color: inherit; }
button { touch-action: manipulation; cursor: pointer; }
[hidden] { display: none !important; }

/* ---------- header ---------- */
.top {
  padding: calc(12px + env(safe-area-inset-top)) var(--space-page-x) 10px;
}
.event {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 19px;
  line-height: var(--lh-tight);
  letter-spacing: 0.03em;
}
.top-meta {
  display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
  font-size: 12px; color: var(--text-muted-strong); margin-top: 1px;
}
.flag {
  font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: 0.12em;
  border: 1px solid var(--color-warning); color: var(--color-warning-fg);
  border-radius: var(--radius-control); padding: 1px 6px;
}

main { padding: 0 var(--space-page-x); }
.view { display: flex; flex-direction: column; gap: var(--space-card-gap); }

/* ---------- cards ---------- */
.card {
  background: var(--color-surface);
  border: var(--border-hairline);
  border-radius: var(--radius-card);
  padding: var(--space-card-padding);
  display: flex; flex-direction: column; gap: var(--space-row);
}

.label {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: var(--fw-medium);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted-strong);
}
.note { font-size: var(--fs-small); color: var(--text-muted-strong); }
.note.strong { color: var(--text-primary); }
.row-head { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; margin-top: 4px; }
.row-head .note { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.dot { color: var(--text-muted); }

.num, .ev, .ev-sub, .big-num, .in, .readout, .lines dd, .tier, .log, .chips-row button {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- live summary ---------- */
.summary .ev {
  font-size: 56px; line-height: 1.05; font-weight: 600;
  color: var(--color-accent);                 /* the one gold element on this card */
  letter-spacing: -0.02em;
}
.summary .ev.idle { color: var(--text-muted); }
.summary .ev-sub { font-size: 22px; font-weight: 500; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 12px; margin-top: 6px; }
.grid2.tight { gap: 10px; }
.grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; }
.stat .num { font-size: 24px; font-weight: 500; line-height: 1.2; }
.stat { border-top: var(--border-hairline); padding-top: 8px; }
.mode-badge {
  align-self: flex-start;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase;
  border: var(--border-strong); border-radius: var(--radius-control);
  padding: 4px 8px; color: var(--text-primary);
}
.banner { margin-top: 8px; }
.info { border: var(--border-strong); border-radius: var(--radius-control); color: var(--text-primary); font-size: 14px; padding: 8px 10px; }
.warn {
  border: 1px solid var(--color-warning); border-radius: var(--radius-control);
  color: var(--color-warning-fg); font-size: 14px; padding: 8px 10px;
}

/* ---------- controls ---------- */
.in {
  width: 100%; min-height: var(--tap);
  background: var(--color-bg); border: var(--border-strong); border-radius: var(--radius-control);
  padding: 8px 12px; font-size: 20px; color: var(--text-primary);
  transition: border-color var(--t-fast) var(--easing);
  appearance: none; -webkit-appearance: none;
}
.in::placeholder { color: var(--text-muted); font-family: var(--font-body); font-size: 16px; }
.in:focus { outline: none; border-color: var(--color-accent-hover); }
.num-in { font-size: 26px; font-weight: 500; min-height: 56px; text-align: center; }
.num-in.xl { font-size: 32px; min-height: 64px; }
.sel { text-align: center; text-align-last: center; font-size: 18px; min-height: 56px; }
.area { font-size: 16px; line-height: 1.5; min-height: 140px; resize: vertical; }
.field { display: flex; flex-direction: column; gap: 4px; }
.field .label { font-size: 11px; letter-spacing: 0.1em; }
.field .in { font-size: 18px; }

.btn {
  min-height: var(--tap); padding: 8px 14px;
  background: var(--color-surface-raised); border: var(--border-strong); border-radius: var(--radius-control);
  color: var(--text-primary); font-size: 16px; font-weight: var(--fw-medium);
  transition: border-color var(--t-fast) var(--easing), background-color var(--t-fast) var(--easing);
}
.btn:active { border-color: var(--text-muted-strong); background-color: var(--color-border); }
.btn:disabled { color: var(--text-muted); border-color: var(--color-border); cursor: default; }
.btn.wide { width: 100%; }
.btn.cta { border-color: var(--color-accent); color: var(--color-accent); background: transparent; min-height: 56px; font-size: 18px; }
.btn.danger.armed { border-color: var(--color-error); color: #E8A0A0; }

.stepper { display: grid; grid-template-columns: 76px 1fr 76px; gap: 8px; align-items: stretch; }
.step { font-family: var(--font-mono); font-size: 24px; min-height: 56px; }

.actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }

.seg { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; border: var(--border-strong); border-radius: var(--radius-control); overflow: hidden; }
.seg button {
  min-height: var(--tap); background: transparent; border: 0; border-left: var(--border-strong);
  color: var(--text-muted-strong); font-size: 15px; font-weight: var(--fw-medium); padding: 6px 4px;
  transition: background-color var(--t-fast) var(--easing), color var(--t-fast) var(--easing);
}
.seg button:first-child { border-left: 0; }
.seg button[aria-pressed="true"] { background: var(--color-accent-soft); color: var(--text-primary); }
.seg.three button { font-size: 14px; }

.chips-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.chips-row button {
  min-height: 44px; background: transparent; border: var(--border-strong); border-radius: var(--radius-control);
  font-size: 15px; color: var(--text-primary);
}
.chips-row button:active { background: var(--color-border); }

.readout { display: flex; justify-content: space-between; align-items: baseline; border-top: var(--border-hairline); padding-top: 8px; }
.readout .num { font-size: 22px; font-weight: 500; }

/* ---------- envelope tiers ---------- */
.tiers { display: flex; flex-direction: column; gap: 6px; }
.tier {
  display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 12px;
  min-height: 56px; width: 100%; text-align: left; padding: 8px 12px;
  background: var(--color-bg); border: var(--border-strong); border-radius: var(--radius-control);
}
.tier:active { background: var(--color-border); }
.tier .v { font-size: 22px; font-weight: 600; }
.tier .c { font-size: 15px; color: var(--text-muted-strong); text-align: right; }
.tier .p { font-size: 17px; text-align: right; min-width: 64px; }
.tier .p small, .tier .c small { display: block; font-family: var(--font-body); font-size: 11px; color: var(--text-muted); letter-spacing: 0.06em; }
.tier:disabled { opacity: 0.4; }
.tier:disabled .v { text-decoration: line-through; }
.log { font-size: 13px; color: var(--text-muted-strong); line-height: 1.6; word-break: break-word; }
.sync { display: flex; flex-direction: column; gap: 6px; border: 1px dashed var(--color-border-strong); border-radius: var(--radius-control); padding: 8px 10px; }

/* ---------- envelope rows editor ---------- */
#rows-editor { display: flex; flex-direction: column; gap: 8px; }
.erow { display: grid; grid-template-columns: 1fr 20px 84px 48px; gap: 6px; align-items: center; }
.erow .x { text-align: center; color: var(--text-muted-strong); font-family: var(--font-mono); }
.erow .in { font-size: 20px; }
.erow .rm { min-height: var(--tap); padding: 0; font-size: 20px; }
.erow-head { display: grid; grid-template-columns: 1fr 20px 84px 48px; gap: 6px; }
.erow-head .label { font-size: 11px; }

/* ---------- call ---------- */
.result .big-num { font-size: 40px; font-weight: 600; line-height: 1.1; }
.big-num.gold { color: var(--color-accent); }   /* the one gold element on this card */
.lines { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 6px 12px; font-size: 15px; }
.lines dt { color: var(--text-muted-strong); }
.lines dd { margin: 0; text-align: right; white-space: nowrap; }

/* ---------- tab bar ---------- */
.tabs {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 10;
  display: grid; grid-template-columns: repeat(3, 1fr);
  background: var(--color-bg); border-top: var(--border-strong);
  padding-bottom: env(safe-area-inset-bottom);
}
.tabs button {
  height: var(--tabbar-h); background: transparent; border: 0; border-top: 2px solid transparent;
  color: var(--text-muted-strong); font-size: 16px; font-weight: var(--fw-medium); letter-spacing: 0.04em;
  transition: color var(--t-fast) var(--easing), border-color var(--t-fast) var(--easing);
}
.tabs button[aria-current="page"] { color: var(--color-accent); border-top-color: var(--color-accent); }

@media (min-width: 600px) {
  main, .top { max-width: 560px; margin: 0 auto; }
  .card { padding: 22px; }
}