/* Continuum — confidential closing room (UX prototype)
   Tokens + components vendored from pitch/deck.html. Dark institutional theme.
   Sharp corners, 1px grid borders, no shadows, one cyan accent, semantic color only. */

:root {
  --bg:        #0a0b0d;
  --bg-2:      #0d0f12;
  --surface:   #101317;
  --surface-2: #141820;
  --border:    #1c1f26;
  --border-hi: #2a2e37;
  --text:      #e7e9ec;
  --dim:       #9aa0ab;
  --mute:      #7c828c;
  --accent:    oklch(76% 0.135 162);
  --accent-dim:oklch(60% 0.10 162);
  --accent-soft: color-mix(in oklch, var(--accent) 13%, transparent);
  --fail:      oklch(66% 0.17 25);
  --fail-text: oklch(74% 0.15 25);   /* lighter red for small body/caption text (contrast) */
  --fail-soft: color-mix(in oklch, var(--fail) 14%, transparent);
  --warn:      oklch(80% 0.12 85);
  --warn-soft: color-mix(in oklch, var(--warn) 14%, transparent);
  --sans: "Archivo", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --sp-1: 6px;  --sp-2: 12px; --sp-3: 18px; --sp-4: 24px;
  --sp-5: 32px; --sp-6: 48px; --sp-7: 72px;
}

* { box-sizing: border-box; }
html { height: 100%; }
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ---------- shared type ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: 13px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--mute); font-weight: 500; margin: 0;
}
.eyebrow.accent { color: var(--accent); }
.mono { font-family: var(--mono); }
.num  { font-variant-numeric: tabular-nums lining-nums; }
.dim  { color: var(--dim); }
.mute { color: var(--mute); }
.hairline { height: 1px; background: var(--border); border: 0; margin: 0; }

a { color: var(--accent); }

/* ---------- top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; gap: var(--sp-4);
  padding: 16px 40px;
  background: color-mix(in oklch, var(--bg) 85%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.wordmark { font-size: 22px; font-weight: 800; letter-spacing: -0.03em; }
.wordmark .dot { color: var(--accent); }
.deal-badge {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--dim);
  border: 1px solid var(--border-hi); padding: 5px 11px;
}
.deal-badge b { color: var(--accent); font-weight: 600; }
.topbar .spacer { flex: 1; }

.view-label {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--mute);
}
select.persona {
  font-family: var(--mono); font-size: 14px; letter-spacing: 0.04em;
  color: var(--text); background: var(--surface);
  border: 1px solid var(--accent-dim); padding: 9px 36px 9px 14px;
  appearance: none; cursor: pointer;
  background-image: linear-gradient(45deg, transparent 50%, var(--accent) 50%),
                    linear-gradient(135deg, var(--accent) 50%, transparent 50%);
  background-position: calc(100% - 18px) center, calc(100% - 13px) center;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}
select.persona:hover { border-color: var(--accent); background-color: var(--surface-2); }

/* ---------- buttons ---------- */
.btn {
  font-family: var(--mono); font-size: 14px; letter-spacing: 0.03em;
  padding: 13px 22px; cursor: pointer;
  border: 1px solid var(--accent-dim);
  background: var(--accent-soft); color: var(--accent);
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.1s ease;
}
.btn:hover { background: color-mix(in oklch, var(--accent) 20%, transparent); border-color: var(--accent); }
.btn:active { transform: translateY(1px); }
/* near-white focus ring on accent-colored buttons so focus reads against the cyan border */
.btn:focus-visible { outline: 2px solid var(--text); outline-offset: 2px; }
.btn[disabled] {
  opacity: 0.4; cursor: not-allowed; background: transparent;
  border-color: var(--border-hi); color: var(--mute); transform: none;
}
.btn.ghost { background: transparent; border-color: var(--border-hi); color: var(--dim); }
.btn.ghost:hover { border-color: var(--accent); color: var(--text); background: transparent; }
.btn.big { font-size: 16px; padding: 18px 32px; letter-spacing: 0.05em; font-weight: 600; }
.btn.danger { border-color: color-mix(in oklch, var(--fail) 60%, transparent); background: var(--fail-soft); color: var(--fail); }
.btn.danger:hover { border-color: var(--fail); background: color-mix(in oklch, var(--fail) 22%, transparent); }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------- stepper ---------- */
.stepper {
  display: grid; grid-template-columns: repeat(8, 1fr);
  border: 1px solid var(--border); border-left: 0; border-right: 0;
  background: var(--bg-2);
}
.stepper .stp {
  padding: 12px 16px; border-right: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 4px;
}
.stepper .stp:last-child { border-right: 0; }
.stepper .stp .sn { font-family: var(--mono); font-size: 12px; color: var(--border-hi); }
.stepper .stp .sl { font-size: 13px; color: var(--mute); line-height: 1.25; }
.stepper .stp.done .sn { color: var(--dim); }
.stepper .stp.done .sl { color: var(--dim); }
.stepper .stp.active { background: var(--accent-soft); }
.stepper .stp.active .sn { color: var(--accent); }
.stepper .stp.active .sl { color: var(--text); font-weight: 600; }

/* ---------- layout ---------- */
main { max-width: 1120px; margin: 0 auto; padding: var(--sp-6) 40px 152px; }
.stage-head { margin-bottom: var(--sp-5); }
.stage-head h1 { font-size: 40px; font-weight: 700; letter-spacing: -0.025em; line-height: 1.06; margin: 12px 0 14px; max-width: 22ch; text-wrap: balance; }
.stage-head p.lede { font-size: 18px; line-height: 1.55; color: var(--dim); margin: 0; max-width: 64ch; text-wrap: pretty; }
.persona-tag { font-family: var(--mono); font-size: 13px; letter-spacing: 0.06em; color: var(--accent); }
.persona-tag .role { color: var(--mute); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--border); border: 1px solid var(--border); }
.grid-2 > * { background: var(--bg); }

/* action screen: primary panel + context side-rail */
.two-col { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 24px; align-items: start; max-width: 940px; }
.side-rail { display: flex; flex-direction: column; gap: 14px; }
.side-rail .sr-card { border: 1px solid var(--border); padding: 22px 24px; }
.side-rail .sr-card.accent { border-color: var(--accent-dim); background: var(--accent-soft); }
.side-rail h3 { font-size: 16px; font-weight: 600; margin: 8px 0 6px; }
.side-rail p { font-size: 14px; line-height: 1.5; color: var(--dim); margin: 0; text-wrap: pretty; }
.side-rail ul { margin: 10px 0 0; padding: 0; list-style: none; }
.side-rail li { font-family: var(--mono); font-size: 12px; color: var(--dim); padding: 7px 0; border-top: 1px solid var(--border); letter-spacing: 0.02em; display: flex; gap: 9px; }
.side-rail li::before { content: ""; width: 6px; height: 6px; background: var(--accent); flex: none; margin-top: 5px; }
@media (max-width: 880px) { .two-col { grid-template-columns: 1fr; } }

/* ---------- card / panel ---------- */
.card {
  border: 1px solid var(--border); padding: 28px 30px;
  display: flex; flex-direction: column; gap: 16px;
  background: var(--bg);
}
.card.accent { border-color: var(--accent-dim); background: var(--accent-soft); }
.card.fail   { border-color: color-mix(in oklch, var(--fail) 55%, transparent); background: var(--fail-soft); }
.card h2 { font-size: 22px; font-weight: 600; letter-spacing: -0.015em; margin: 0; }
.card h3 { font-size: 16px; font-weight: 600; margin: 0; }
.card .card-eyebrow { margin-bottom: -4px; }

/* field rows */
.kv { display: grid; grid-template-columns: 170px 1fr; gap: 4px 18px; align-items: baseline; }
.kv dt { font-family: var(--mono); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--mute); padding: 7px 0; }
.kv dd { margin: 0; font-size: 16px; color: var(--text); padding: 7px 0; border-top: 1px solid var(--border); }
.kv dt { border-top: 1px solid var(--border); }
.kv dt:first-of-type, .kv dd:first-of-type { border-top: 0; }
.kv dd .figure { font-family: var(--mono); color: var(--accent); }

/* form */
.form-row { display: flex; flex-direction: column; gap: 8px; }
.form-row label { font-family: var(--mono); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--mute); }
.input {
  font-family: var(--mono); font-size: 15px; color: var(--text);
  background: var(--surface); border: 1px solid var(--border-hi);
  padding: 11px 13px; width: 100%;
  transition: border-color 0.2s ease;
}
.input:hover { border-color: var(--mute); }
.input:focus-visible { border-color: var(--accent); }
.input-group { display: flex; align-items: stretch; }
.input-group .prefix, .input-group .suffix {
  font-family: var(--mono); font-size: 15px; color: var(--mute);
  background: var(--bg-2); border: 1px solid var(--border-hi);
  display: flex; align-items: center; padding: 0 13px;
}
.input-group .prefix { border-right: 0; }
.input-group .suffix { border-left: 0; }
.input-group .input { border-left: 0; border-right: 0; }
.input-group .prefix + .input { border-left: 0; }

.choice-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--border); border: 1px solid var(--border-hi); }
.choice {
  background: var(--surface); border: 0; cursor: pointer;
  padding: 16px 18px; text-align: left;
  display: flex; flex-direction: column; gap: 4px;
  font-family: var(--sans); color: var(--dim);
  transition: background 0.2s ease, color 0.2s ease;
}
.choice:hover { background: var(--surface-2); color: var(--text); }
.choice .ct { font-size: 16px; font-weight: 600; }
.choice .cd { font-family: var(--mono); font-size: 12px; color: var(--mute); }
.choice[aria-pressed="true"] { background: var(--accent-soft); color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent-dim); }
.choice[aria-pressed="true"] .ct { color: var(--accent); }

.actions { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-top: 4px; }

/* ---------- status chip ---------- */
.chip {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 4px 10px; border: 1px solid var(--border-hi); color: var(--dim);
  display: inline-flex; align-items: center; gap: 7px; white-space: nowrap;
}
.chip::before { content: ""; width: 7px; height: 7px; background: var(--border-hi); flex: none; }
.chip.ok      { color: var(--accent); border-color: var(--accent-dim); }
.chip.ok::before { background: var(--accent); }
.chip.pending { color: var(--warn); border-color: color-mix(in oklch, var(--warn) 45%, transparent); }
.chip.pending::before { background: var(--warn); }
.chip.sealed  { color: var(--mute); }
.chip.sealed::before { background: var(--mute); }
.chip.fail    { color: var(--fail); border-color: color-mix(in oklch, var(--fail) 50%, transparent); }
.chip.fail::before { background: var(--fail); }

/* ---------- redaction ---------- */
.sealed-row {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 16px; border: 1px dashed var(--border-hi);
  background: repeating-linear-gradient(135deg, transparent, transparent 7px, color-mix(in oklch, var(--border) 50%, transparent) 7px, color-mix(in oklch, var(--border) 50%, transparent) 8px);
}
.redact { display: inline-block; height: 14px; background: var(--border-hi); vertical-align: middle; }
.sealed-row .lbl { font-family: var(--mono); font-size: 13px; color: var(--mute); letter-spacing: 0.04em; }
.sealed-row .seal-note { font-family: var(--mono); font-size: 12px; color: var(--mute); margin-left: auto; letter-spacing: 0.04em; }
.cant-see { font-family: var(--mono); font-size: 12px; color: var(--fail-text); letter-spacing: 0.04em; }

/* ---------- settlement legs ---------- */
.legs { border: 1px solid var(--border); }
.leg {
  display: grid; grid-template-columns: 34px 1fr auto; align-items: center; gap: 18px;
  padding: 18px 22px; border-bottom: 1px solid var(--border);
  position: relative; overflow: hidden;
}
.leg:last-child { border-bottom: 0; }
.leg .ln { font-family: var(--mono); font-size: 14px; color: var(--mute); position: relative; z-index: 1; }
.leg .desc { position: relative; z-index: 1; }
.leg .desc .d-main { display: block; font-size: 16px; color: var(--text); }
.leg .desc .d-main .figure { font-family: var(--mono); color: var(--accent); }
.leg .desc .d-sub { display: block; font-family: var(--mono); font-size: 12px; color: var(--mute); margin-top: 4px; letter-spacing: 0.03em; }
.leg .st {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.07em; text-transform: uppercase;
  padding: 5px 11px; border: 1px solid var(--border-hi); color: var(--dim);
  position: relative; z-index: 1; white-space: nowrap;
}
/* atomic close sweep */
.leg .sweep {
  position: absolute; inset: 0; transform-origin: left center;
  background: var(--accent-soft); transform: scaleX(0); z-index: 0;
}
.leg.filling .sweep { transform: scaleX(1); transition: transform 0.35s ease; }
.leg.settled .sweep { transform: scaleX(1); background: var(--accent-soft); }
.leg.settled .st { color: var(--accent); border-color: var(--accent-dim); }
.leg.settled .desc .d-main { color: var(--text); }
.leg.failing .sweep { transform: scaleX(1); background: var(--fail-soft); transition: transform 0.25s ease; }
.leg.reverted .sweep { transform: scaleX(0); transition: transform 0.4s ease; }
.leg.failing .st { color: var(--fail); border-color: var(--fail); }
.leg.reverted .st { color: var(--mute); }

@media (prefers-reduced-motion: reduce) {
  .leg .sweep { transition: none !important; }
  select.persona, .btn, .input, .choice, .card { transition: none !important; }
}

/* ---------- approval checklist ---------- */
.approvals { border: 1px solid var(--border); }
.appr {
  display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 18px;
  padding: 16px 20px; border-bottom: 1px solid var(--border);
}
.appr:last-child { border-bottom: 0; }
.appr .who { font-size: 15px; }
.appr .who .obl { font-family: var(--mono); font-size: 12px; color: var(--mute); margin-top: 3px; }
.appr.mine { background: var(--accent-soft); }

/* ---------- allocation arithmetic ---------- */
table.calc { width: 100%; border-collapse: collapse; }
table.calc td { padding: 11px 0; border-bottom: 1px solid var(--border); vertical-align: baseline; }
table.calc tr:last-child td { border-bottom: 0; }
table.calc .c-lab { color: var(--text); font-size: 14px; white-space: nowrap; padding-right: 18px; }
table.calc .c-mid { color: var(--dim); font-size: 13px; width: 100%; }
table.calc .c-out { color: var(--accent); font-size: 14px; white-space: nowrap; text-align: right; padding-left: 18px; }

/* ---------- before -> after statement ---------- */
.ba { display: grid; grid-template-columns: 1fr auto 1fr; gap: 20px; align-items: stretch; }
.ba-col { display: flex; flex-direction: column; gap: 6px; padding: 16px 18px; border: 1px solid var(--border); background: var(--bg); }
.ba-col .ba-lab { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--mute); }
.ba-col .ba-val { font-size: 15px; line-height: 1.4; color: var(--text); }
.ba-col .ba-val.before { color: var(--dim); }
.ba-col .ba-val.after { color: var(--text); font-weight: 500; }
.ba-arrow { display: flex; align-items: center; font-family: var(--mono); font-size: 22px; color: var(--accent); }
@media (max-width: 720px) { .ba { grid-template-columns: 1fr; } .ba-arrow { transform: rotate(90deg); justify-content: center; } }

/* ---------- final positions ---------- */
.positions { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); }
.pos { background: var(--bg); padding: 22px 24px; display: flex; flex-direction: column; gap: 8px; }
.pos .who { font-family: var(--mono); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--mute); }
.pos .delta { font-size: 24px; font-weight: 700; letter-spacing: -0.02em; }
.pos .delta.gain { color: var(--accent); }
.pos .delta.move { color: var(--text); }
.pos .note { font-family: var(--mono); font-size: 12px; color: var(--dim); }

/* ---------- waiting / locked ---------- */
.locked {
  border: 1px dashed var(--border-hi); padding: 40px 32px; text-align: center;
  display: flex; flex-direction: column; gap: 12px; align-items: center;
}
.locked .lk-icon { width: 22px; height: 22px; border: 2px solid var(--border-hi); border-radius: 0; position: relative; }
.locked .lk-icon::after { content: ""; position: absolute; inset: 5px 7px; border: 2px solid var(--mute); border-bottom: 0; border-radius: 4px 4px 0 0; top: -6px; height: 8px; }
.locked h3 { font-size: 18px; font-weight: 600; margin: 0; color: var(--dim); }
.locked p { font-family: var(--mono); font-size: 13px; color: var(--mute); margin: 0; max-width: 44ch; }

/* ---------- callout ---------- */
.callout { border: 1px solid var(--accent-dim); background: var(--accent-soft); padding: 22px 26px; }
.callout .ct { font-family: var(--mono); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent); margin-bottom: 9px; }
.callout p { font-size: 17px; line-height: 1.45; margin: 0; color: var(--text); text-wrap: pretty; }
.callout.fail { border-color: color-mix(in oklch, var(--fail) 55%, transparent); background: var(--fail-soft); }
.callout.fail .ct { color: var(--fail); }

/* attestations */
.attest { list-style: none; margin: 0; padding: 0; border: 1px solid var(--border); }
.attest li { display: grid; grid-template-columns: 24px 1fr; gap: 14px; padding: 15px 20px; border-bottom: 1px solid var(--border); align-items: start; font-size: 15px; color: var(--text); }
.attest li:last-child { border-bottom: 0; }
.attest .ck { width: 18px; height: 18px; position: relative; margin-top: 2px; }
.attest .ck::after { content: ""; position: absolute; left: 6px; top: 0; width: 6px; height: 12px; border: solid var(--accent); border-width: 0 2.5px 2.5px 0; transform: rotate(42deg); }
.attest li small { display: block; font-family: var(--mono); font-size: 12px; color: var(--mute); margin-top: 3px; }

/* toast */
.toast {
  position: fixed; bottom: 26px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--surface); border: 1px solid var(--accent-dim);
  padding: 14px 22px; font-family: var(--mono); font-size: 13px; color: var(--text);
  letter-spacing: 0.03em; z-index: 80; opacity: 0; pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.fail { border-color: color-mix(in oklch, var(--fail) 55%, transparent); color: var(--fail); }

/* sim footer */
.sim-note {
  position: fixed; bottom: 14px; right: 20px;
  font-family: var(--mono); font-size: 11px; color: var(--mute); letter-spacing: 0.06em;
  z-index: 30; opacity: 0.6; pointer-events: none;
  background: color-mix(in oklch, var(--bg) 86%, transparent); padding: 3px 8px;
}

.stack { display: flex; flex-direction: column; }
.stack.g4 > * + * { margin-top: var(--sp-4); }
.stack.g3 > * + * { margin-top: var(--sp-3); }
.fail-toggle { display: flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: 12px; color: var(--dim); letter-spacing: 0.03em; cursor: pointer; }
.fail-toggle input { width: 15px; height: 15px; accent-color: var(--fail); cursor: pointer; }