:root {
  color-scheme: light dark;
  --bg: #f4f3ef;
  --surface: #fffefb;
  --surface-2: #ebe9e2;
  --ink: #171817;
  --muted: #62645f;
  --line: #d6d3c8;
  --accent: #3157d5;
  --accent-strong: #2443a9;
  --accent-soft: #e8edff;
  --hold: #a74419;
  --hold-soft: #fff0e7;
  --ready: #14734c;
  --ready-soft: #e5f6ed;
  --focus: #9d5d00;
  --radius: 18px;
  --shadow: 0 16px 50px rgba(26, 27, 24, .08);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121412;
    --surface: #1b1e1b;
    --surface-2: #252925;
    --ink: #f5f3ed;
    --muted: #b7bbb3;
    --line: #3c423c;
    --accent: #8da8ff;
    --accent-strong: #b4c4ff;
    --accent-soft: #252f50;
    --hold: #ffab7d;
    --hold-soft: #43271b;
    --ready: #73d9ad;
    --ready-soft: #183a2d;
    --focus: #ffbd61;
    --shadow: 0 18px 54px rgba(0, 0, 0, .3);
  }
}

* { box-sizing: border-box; }
html { min-width: 0; scroll-behavior: smooth; }
body { margin: 0; min-width: 0; overflow-x: hidden; background: var(--bg); color: var(--ink); }
button, input, select, textarea { font: inherit; }
button, select, input, textarea { color: inherit; }
button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, a:focus-visible {
  outline: 3px solid var(--focus); outline-offset: 3px;
}
.skip-link { position: fixed; inset: 10px auto auto 10px; z-index: 50; transform: translateY(-150%); padding: 10px 14px; background: var(--ink); color: var(--bg); border-radius: 8px; }
.skip-link:focus { transform: none; }
.site-header, main { width: min(1480px, calc(100% - 40px)); margin-inline: auto; }
.site-header { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 16px; border-bottom: 1px solid var(--line); }
.brand { color: var(--ink); font-weight: 850; font-size: 1.25rem; text-decoration: none; letter-spacing: -.03em; }
.contract { color: var(--muted); font: 700 .72rem/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; overflow-wrap: anywhere; }
main { padding-block: 46px 80px; }
.hero { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(260px, .5fr); gap: 32px; align-items: end; }
.eyebrow, .step-kicker { margin: 0 0 8px; color: var(--accent); font-weight: 800; text-transform: uppercase; letter-spacing: .11em; font-size: .72rem; }
h1, h2, p { overflow-wrap: anywhere; }
h1 { margin: 0; max-width: 850px; font-size: clamp(2.35rem, 6vw, 5.35rem); line-height: .98; letter-spacing: -.06em; }
h2 { margin: 0; font-size: clamp(1.25rem, 2vw, 1.75rem); line-height: 1.12; letter-spacing: -.035em; }
.lede { max-width: 760px; margin: 22px 0 0; color: var(--muted); font-size: clamp(1rem, 2vw, 1.24rem); line-height: 1.55; }
.boundary-card { display: grid; gap: 8px; padding: 22px; border: 1px solid color-mix(in srgb, var(--hold), transparent 45%); background: var(--hold-soft); border-radius: var(--radius); }
.boundary-card span { color: var(--muted); line-height: 1.45; }
.start-panel, .receipt-editor, .output-panel { margin-top: 34px; padding: 24px; display: grid; grid-template-columns: minmax(240px, .65fr) minmax(0, 1.35fr); gap: 28px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.start-panel p, .receipt-editor p, .output-panel p { margin: 9px 0 0; color: var(--muted); line-height: 1.5; }
.start-actions, .output-actions, .inline-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.button { min-height: 44px; padding: 10px 14px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); color: var(--ink); font-weight: 750; cursor: pointer; text-align: center; }
.button:hover { border-color: var(--accent); color: var(--accent-strong); }
.button.primary { border-color: var(--accent); background: var(--accent); color: #fff; }
.button.primary:hover { background: var(--accent-strong); color: #fff; }
.button.small { min-height: 38px; padding: 7px 11px; font-size: .86rem; }
.button[disabled] { opacity: .45; cursor: not-allowed; }
.app-status { min-height: 22px; margin: 20px 0 0; color: var(--muted); font-size: .9rem; }
.decision-shell { margin-top: 8px; }
.decision-card { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 30px; align-items: center; padding: 24px; border: 1px solid color-mix(in srgb, var(--hold), transparent 40%); border-left: 7px solid var(--hold); border-radius: var(--radius); background: var(--hold-soft); }
.decision-card.is-ready { border-color: color-mix(in srgb, var(--ready), transparent 40%); border-left-color: var(--ready); background: var(--ready-soft); }
.decision-card h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
.decision-card #decision-reason { margin: 8px 0 0; color: var(--muted); }
.decision-facts { display: flex; gap: 26px; margin: 0; }
.decision-facts div { min-width: 92px; }
.decision-facts dt { color: var(--muted); font-size: .75rem; font-weight: 750; text-transform: uppercase; letter-spacing: .08em; }
.decision-facts dd { margin: 5px 0 0; font-weight: 850; }
#input-hash { max-width: 110px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-family: ui-monospace, monospace; }
.sample-notice { margin-top: 10px; padding: 16px 18px; display: flex; justify-content: space-between; gap: 20px; align-items: center; background: var(--accent-soft); border: 1px solid color-mix(in srgb, var(--accent), transparent 55%); border-radius: 14px; }
.sample-notice[hidden] { display: none; }
.sample-notice p { margin: 4px 0 0; color: var(--muted); }
.planner-shell { margin-top: 26px; display: grid; grid-template-columns: 220px minmax(0, 1fr) 330px; min-width: 0; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); overflow: clip; }
.planner-nav, .request-panel { min-width: 0; padding: 22px; background: var(--surface-2); }
.planner-nav { border-right: 1px solid var(--line); }
.request-panel { border-left: 1px solid var(--line); }
.step-nav { display: grid; gap: 7px; }
.step-tab { width: 100%; display: grid; grid-template-columns: 26px minmax(0, 1fr); gap: 8px; align-items: center; padding: 9px; border: 0; border-radius: 9px; background: transparent; text-align: left; color: var(--muted); cursor: pointer; }
.step-tab .number { display: grid; place-items: center; width: 25px; height: 25px; border: 1px solid var(--line); border-radius: 50%; font-size: .75rem; font-weight: 800; }
.step-tab.is-active { color: var(--ink); background: var(--surface); }
.step-tab.is-active .number { background: var(--accent); color: #fff; border-color: var(--accent); }
.stage-tools { margin-top: 26px; display: grid; gap: 8px; }
.stage-tools label { font-size: .75rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.planner-main { min-width: 0; padding: 26px; }
.plan-meta { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-bottom: 28px; padding-bottom: 22px; border-bottom: 1px solid var(--line); }
.step-heading { display: flex; align-items: end; justify-content: space-between; gap: 18px; }
.step-heading p:not(.step-kicker) { margin: 7px 0 0; color: var(--muted); }
.step-controls { display: flex; gap: 8px; }
.field-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 22px; }
.field-card { min-width: 0; padding: 15px; border: 1px solid var(--line); border-radius: 13px; background: var(--surface); }
.field-card.is-unknown { border-left: 4px solid var(--hold); }
.field-card.is-na { opacity: .82; }
.field-card.is-blocking { box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--hold), transparent 35%); }
.field-top { display: flex; justify-content: space-between; align-items: start; gap: 10px; }
.field-label { font-weight: 820; line-height: 1.25; }
.field-technical,.technical-receipt { margin-top: 5px; color: var(--muted); font-size: .72rem; }
.field-technical code { overflow-wrap: anywhere; }
.field-tags { display: flex; flex-wrap: wrap; justify-content: end; gap: 5px; }
.tag { padding: 3px 6px; border-radius: 99px; background: var(--surface-2); color: var(--muted); font-size: .66rem; font-weight: 800; text-transform: uppercase; }
.field-body { display: grid; gap: 10px; margin-top: 13px; }
.control-group { display: grid; gap: 6px; min-width: 0; }
.control-group > label, .control-label { color: var(--muted); font-size: .74rem; font-weight: 780; }
input, select, textarea { width: 100%; max-width: 100%; min-width: 0; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); padding: 10px; }
textarea { min-height: 86px; resize: vertical; line-height: 1.45; }
.receipt-form { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
.receipt-form label { display: grid; gap: 6px; color: var(--muted); font-size: .78rem; font-weight: 760; }
.receipt-form .checkbox-row { display: flex; align-items: center; gap: 8px; }
.receipt-form .checkbox-row input { width: auto; }
.receipt-form .button, .receipt-form .field-error { align-self: end; }
.advanced-evidence { grid-column: 2; border-top: 1px solid var(--line); padding-top: 14px; }
.advanced-evidence summary { cursor: pointer; color: var(--muted); font-weight: 760; }
.advanced-evidence textarea { margin-top: 12px; min-height: 240px; font: 12px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; }
.advanced-evidence .inline-actions { margin-top: 10px; }
.array-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 7px; }
.array-options label { display: flex; gap: 7px; align-items: start; color: var(--ink); font-size: .8rem; }
.array-options input { width: auto; margin-top: 2px; }
.field-help, .field-error { color: var(--muted); font-size: .75rem; line-height: 1.4; }
.field-error { color: var(--hold); font-weight: 700; }
.request-heading { display: flex; justify-content: space-between; gap: 12px; align-items: start; }
.count-pill { min-width: 30px; padding: 5px 8px; border-radius: 99px; background: var(--hold); color: #fff; text-align: center; font-weight: 850; font-size: .78rem; }
.request-list { display: grid; gap: 10px; margin-top: 16px; max-height: 850px; overflow: auto; }
.request-item { padding: 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); }
.request-item.is-resolved { opacity: .6; }
.request-item strong { display: block; font-size: .82rem; overflow-wrap: anywhere; }
.request-item p { margin: 6px 0 0; color: var(--muted); font-size: .78rem; line-height: 1.4; }
.request-owner { color: var(--accent-strong) !important; font-weight: 750; }
.empty-state { color: var(--muted); line-height: 1.5; }
.receipt-editor, .output-panel { margin-top: 26px; }
.output-actions { align-content: start; }
.file-button { display: inline-grid; place-items: center; }
#import-file { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.import-state { grid-column: 2; min-height: 22px; }
.launch-boundary { margin-top: 26px; padding: 23px; border: 2px solid var(--hold); border-radius: var(--radius); background: var(--hold-soft); }
.launch-boundary p { margin: 7px 0 0; color: var(--muted); }
noscript { display: block; padding: 20px; background: var(--hold-soft); color: var(--hold); }
.capture-mode .site-header,.capture-mode .hero,.capture-mode .start-panel,.capture-mode .receipt-editor,.capture-mode .output-panel,.capture-mode .launch-boundary{display:none}.capture-mode main{padding-block:20px}.capture-mode .app-status{margin-top:0}.capture-mode .decision-shell{margin-top:4px}.capture-mode .planner-shell{margin-top:14px}.capture-mode .request-list{max-height:640px}

@media (max-width: 1100px) {
  .planner-shell { grid-template-columns: 190px minmax(0, 1fr); }
  .request-panel { grid-column: 1 / -1; border-left: 0; border-top: 1px solid var(--line); }
  .request-list { grid-template-columns: repeat(2, minmax(0, 1fr)); max-height: none; }
}

@media (max-width: 760px) {
  .site-header, main { width: min(100% - 24px, 1480px); }
  main { padding-top: 28px; }
  .hero, .start-panel, .receipt-editor, .output-panel { grid-template-columns: minmax(0, 1fr); }
  .decision-card { grid-template-columns: minmax(0, 1fr); }
  .decision-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
  .planner-shell { grid-template-columns: minmax(0, 1fr); overflow: visible; }
  .planner-nav { border-right: 0; border-bottom: 1px solid var(--line); }
  .step-nav { display: flex; overflow-x: auto; padding-bottom: 5px; scroll-snap-type: x mandatory; }
  .step-tab { min-width: 160px; scroll-snap-align: start; }
  .planner-main { padding: 20px; }
  .plan-meta, .field-grid { grid-template-columns: minmax(0, 1fr); }
  .request-panel { grid-column: auto; }
  .request-list { grid-template-columns: minmax(0, 1fr); }
  .receipt-form { grid-template-columns: minmax(0,1fr); }
  .advanced-evidence, .import-state { grid-column: auto; }
}

@media (max-width: 430px) {
  .site-header, main { width: min(100% - 20px, 1480px); }
  .contract { max-width: 155px; text-align: right; }
  h1 { font-size: 2.45rem; }
  .start-panel, .receipt-editor, .output-panel { padding: 18px; }
  .start-actions, .output-actions { display: grid; grid-template-columns: minmax(0, 1fr); width: 100%; }
  .button { width: 100%; }
  .decision-card { padding: 18px; }
  .decision-facts { grid-template-columns: minmax(0, 1fr); }
  .sample-notice { align-items: stretch; flex-direction: column; }
  .step-heading { display: grid; align-items: start; }
  .step-controls { width: 100%; }
  .step-controls .button { width: 50%; }
  .array-options { grid-template-columns: minmax(0, 1fr); }
  .field-top { display: grid; }
  .field-tags { justify-content: start; }
}