:root {
  --bg: #f6f5f1;
  --panel: #ffffff;
  --ink: #1c2430;
  --ink-soft: #55606f;
  --ink-faint: #7b8798;
  --line: #dcd9d1;
  --line-soft: #eae7e0;
  --accent: #1d5c8f;
  --accent-soft: #e8f0f7;
  --gold: #a97a17;
  --gold-soft: #fbf2df;
  --high: #9c2f2f;
  --high-soft: #fbeceb;
  --warn: #8a6410;
  --warn-soft: #fcf4e2;
  --info: #2c6b52;
  --info-soft: #e9f4ef;
  --radius: 10px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --serif: ui-serif, Georgia, "Iowan Old Style", "Times New Roman", serif;
}

[data-theme="dark"] {
  --bg: #12161c;
  --panel: #1a1f27;
  --ink: #e7e9ec;
  --ink-soft: #a8b2bf;
  --ink-faint: #7c8695;
  --line: #2d353f;
  --line-soft: #232a33;
  --accent: #7fb3dc;
  --accent-soft: #1b2a38;
  --gold: #d9a94a;
  --gold-soft: #2b2417;
  --high: #e08b85;
  --high-soft: #2f1e1e;
  --warn: #d7ac57;
  --warn-soft: #2c2519;
  --info: #79c3a2;
  --info-soft: #17271f;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}

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

.skip {
  position: absolute; left: -999px; top: 0; background: var(--panel);
  padding: 10px 14px; z-index: 20; border-radius: 0 0 var(--radius) 0;
}
.skip:focus { left: 0; }

/* --- header --- */

.topbar {
  border-bottom: 1px solid var(--line);
  background: var(--panel);
  position: sticky; top: 0; z-index: 10;
}
.topbar-in {
  max-width: 1080px; margin: 0 auto; padding: 10px 20px;
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 9px; text-decoration: none; color: var(--ink); }
.brand-mark {
  font-family: var(--mono); font-weight: 700; letter-spacing: -1px;
  color: var(--gold); font-size: 18px;
}
.brand-name { font-weight: 650; letter-spacing: -0.01em; }
.topnav { margin-left: auto; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.nav-link { color: var(--ink-soft); text-decoration: none; font-size: 14px; }
.nav-link:hover { color: var(--accent); }
.credits {
  font-family: var(--mono); font-size: 13px; color: var(--ink-soft);
  background: var(--line-soft); padding: 3px 9px; border-radius: 999px;
}

/* --- buttons --- */

button { font-family: inherit; font-size: 14px; cursor: pointer; border-radius: 7px; }
.primary {
  background: var(--accent); color: #fff; border: 1px solid var(--accent);
  padding: 9px 16px; font-weight: 600;
}
.primary:hover:not(:disabled) { filter: brightness(1.08); }
.primary:disabled { opacity: 0.45; cursor: not-allowed; }
.ghost {
  background: transparent; color: var(--ink-soft);
  border: 1px solid var(--line); padding: 7px 13px;
}
.ghost:hover { border-color: var(--accent); color: var(--accent); }
.small { padding: 4px 10px; font-size: 13px; }

/* --- layout --- */

main { max-width: 1080px; margin: 0 auto; padding: 26px 20px 60px; }

.lede h1 {
  font-family: var(--serif); font-size: 34px; line-height: 1.2;
  margin: 6px 0 10px; letter-spacing: -0.015em;
}
.sub { color: var(--ink-soft); max-width: 66ch; margin: 0 0 20px; }

.boundary-card {
  border: 1px solid var(--gold); border-left-width: 4px;
  background: var(--gold-soft); border-radius: var(--radius);
  padding: 14px 18px; margin: 0 0 26px;
}
.boundary-card h2 { font-size: 15px; margin: 0 0 8px; color: var(--gold); letter-spacing: 0.01em; }
.boundary-card p { margin: 0 0 8px; font-size: 14px; color: var(--ink-soft); max-width: 78ch; }
.boundary-card p:last-child { margin-bottom: 0; }

.panel {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px; margin: 0 0 22px;
}

.field { margin: 0 0 16px; }
.field label, .paste-field summary {
  display: block; font-weight: 600; font-size: 14px; margin: 0 0 6px; cursor: pointer;
}
.opt { font-weight: 400; color: var(--ink-faint); font-size: 13px; }
input[type="text"], input[type="search"], textarea, select {
  width: 100%; font-family: inherit; font-size: 15px; color: var(--ink);
  background: var(--bg); border: 1px solid var(--line);
  border-radius: 7px; padding: 9px 11px;
}
textarea { resize: vertical; line-height: 1.5; }
input:focus, textarea:focus, select:focus {
  outline: 2px solid var(--accent); outline-offset: -1px; border-color: var(--accent);
}
.hint { font-size: 13px; color: var(--ink-faint); margin: 6px 0 0; }
.row { display: flex; gap: 16px; flex-wrap: wrap; }
.row .field { flex: 1 1 260px; }

.dropzone { border: 1px dashed var(--line); border-radius: 8px; padding: 6px; }
.dropzone.over { border-color: var(--accent); background: var(--accent-soft); }

.actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 4px; }
.meter { font-size: 13px; color: var(--ink-soft); margin: 0; flex: 1 1 260px; }
.meter.short { color: var(--high); }
.disclaim { font-size: 12px; color: var(--ink-faint); margin: 12px 0 0; }

/* --- the guard zone in the form --- */

.guardzone {
  margin-top: 10px; border: 1px solid var(--high); border-left-width: 4px;
  background: var(--high-soft); border-radius: 8px; padding: 12px 14px;
}
.guardzone.convert { border-color: var(--warn); background: var(--warn-soft); }
.guardzone h3 { margin: 0 0 8px; font-size: 14px; color: var(--high); }
.guardzone.convert h3 { color: var(--warn); }
.guardzone ul { margin: 0 0 10px; padding-left: 18px; font-size: 13.5px; color: var(--ink-soft); }
.guardzone li { margin: 0 0 5px; }
.guardzone code {
  font-family: var(--mono); font-size: 12.5px; background: var(--panel);
  padding: 1px 5px; border-radius: 4px; border: 1px solid var(--line);
}
.rewrite { font-size: 13.5px; color: var(--ink); margin: 0 0 8px; font-style: italic; }

/* --- progress --- */

.progress-head { display: flex; align-items: baseline; gap: 12px; }
.progress-head h2 { font-size: 16px; margin: 0; }
.timer { font-family: var(--mono); font-size: 13px; color: var(--ink-faint); margin-left: auto; }
.steps { list-style: none; margin: 12px 0; padding: 0; }
.steps li {
  padding: 5px 0 5px 26px; position: relative; color: var(--ink-faint); font-size: 14px;
}
.steps li::before {
  content: ""; position: absolute; left: 6px; top: 12px;
  width: 8px; height: 8px; border-radius: 50%; background: var(--line);
}
.steps li.active { color: var(--ink); font-weight: 600; }
.steps li.active::before { background: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.steps li.done { color: var(--ink-soft); }
.steps li.done::before { background: var(--info); }

.error { border-color: var(--high); background: var(--high-soft); }
.error h2 { font-size: 16px; margin: 0 0 6px; color: var(--high); }
.error p { margin: 0 0 10px; font-size: 14px; color: var(--ink-soft); }

/* --- result --- */

.result-head {
  display: flex; gap: 16px; align-items: flex-start; flex-wrap: wrap;
  border-bottom: 1px solid var(--line); padding-bottom: 12px; margin-bottom: 14px;
}
.result-head h2 { font-family: var(--serif); font-size: 27px; margin: 0 0 4px; letter-spacing: -0.01em; }
.result-meta { margin: 0; font-size: 13px; color: var(--ink-faint); font-family: var(--mono); }
.result-actions { margin-left: auto; display: flex; gap: 8px; flex-wrap: wrap; }

.notadvice {
  border-left: 3px solid var(--gold); background: var(--gold-soft);
  padding: 10px 14px; margin: 0 0 16px; font-size: 14px; color: var(--ink-soft);
  border-radius: 0 8px 8px 0;
}
.partial {
  border-left: 3px solid var(--warn); background: var(--warn-soft);
  padding: 10px 14px; margin: 0 0 16px; font-size: 14px; border-radius: 0 8px 8px 0;
}

.lead-para {
  font-family: var(--serif); font-size: 18px; line-height: 1.65;
  margin: 0 0 22px; max-width: 74ch;
}

.section { margin: 0 0 26px; }
.sec-head {
  display: flex; align-items: baseline; gap: 10px;
  border-bottom: 1px solid var(--line-soft); padding-bottom: 6px; margin-bottom: 12px;
}
.sec-head h3 { font-size: 16px; margin: 0; letter-spacing: -0.005em; }
.sec-count { font-family: var(--mono); font-size: 12px; color: var(--ink-faint); margin-left: auto; }
.sec-copy { margin-left: 6px; }

.rows { display: grid; gap: 12px; }
.two-col { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }

.card {
  border: 1px solid var(--line); border-radius: 9px;
  padding: 12px 14px; background: var(--panel);
}
.card-title { font-weight: 650; margin: 0 0 8px; font-size: 15px; }
.kv { display: grid; grid-template-columns: minmax(120px, auto) 1fr; gap: 4px 12px; font-size: 14px; }
.kv dt { color: var(--ink-faint); font-size: 12.5px; text-transform: lowercase; }
.kv dd { margin: 0; color: var(--ink-soft); }

.badges { display: flex; gap: 6px; flex-wrap: wrap; margin: 9px 0 0; }
.badge {
  font-family: var(--mono); font-size: 11.5px; padding: 2px 7px;
  border-radius: 999px; border: 1px solid var(--line); color: var(--ink-faint);
}
.badge.durable { background: var(--info-soft); color: var(--info); border-color: var(--info); }
.badge.drift { background: var(--warn-soft); color: var(--warn); border-color: var(--warn); }
.badge.current { background: var(--high-soft); color: var(--high); border-color: var(--high); }
.badge.documented { background: var(--accent-soft); color: var(--accent); border-color: var(--accent); }
.badge.structural { background: var(--line-soft); }
.badge.recalled { background: var(--gold-soft); color: var(--gold); border-color: var(--gold); }

.empty {
  font-size: 14px; color: var(--ink-faint); font-style: italic;
  border: 1px dashed var(--line); border-radius: 9px; padding: 12px 14px;
}

.cases { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.case-col h3 { font-size: 15px; margin: 0 0 10px; }
.case-note {
  font-size: 13px; color: var(--ink-faint); margin: 0 0 12px; max-width: 60ch;
}

.lookup .card { border-left: 3px solid var(--accent); }
.limits { padding-left: 20px; font-size: 14px; color: var(--ink-soft); }
.limits li { margin: 0 0 6px; }

/* --- audit --- */

.audit { border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; margin: 0 0 20px; }
.audit-head { display: flex; align-items: baseline; gap: 10px; margin: 0 0 10px; }
.audit-head h3 { font-size: 15px; margin: 0; }
.audit-clean { color: var(--info); font-size: 13.5px; margin: 0; }
.finding {
  border-left: 3px solid var(--line); padding: 8px 12px; margin: 0 0 8px;
  border-radius: 0 7px 7px 0; font-size: 13.5px;
}
.finding.high { border-color: var(--high); background: var(--high-soft); }
.finding.warn { border-color: var(--warn); background: var(--warn-soft); }
.finding.info { border-color: var(--info); background: var(--info-soft); }
.finding .fid { font-family: var(--mono); font-size: 11.5px; color: var(--ink-faint); }
.finding p { margin: 3px 0 0; color: var(--ink-soft); }
.finding .detail {
  font-family: var(--mono); font-size: 12px; color: var(--ink-faint);
  margin-top: 4px; word-break: break-word;
}

/* --- history --- */

.history-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin: 0 0 12px; }
.history-head h2 { font-size: 16px; margin: 0; }
.history-tools { margin-left: auto; display: flex; gap: 8px; align-items: center; }
.history-tools input { width: 220px; font-size: 14px; padding: 6px 10px; }
.history-list { list-style: none; margin: 0; padding: 0; }
.history-list li {
  border-bottom: 1px solid var(--line-soft); padding: 10px 0;
  display: flex; gap: 12px; align-items: baseline; flex-wrap: wrap;
}
.history-list li:last-child { border-bottom: 0; }
.h-name { font-weight: 600; font-size: 14.5px; }
.h-meta { font-family: var(--mono); font-size: 12px; color: var(--ink-faint); }
.h-sum { flex: 1 1 100%; font-size: 13.5px; color: var(--ink-soft); margin: 2px 0 0; }
.h-actions { margin-left: auto; display: flex; gap: 6px; }

/* --- footer --- */

.foot {
  border-top: 1px solid var(--line); margin-top: 30px; padding: 22px 20px 40px;
  max-width: 1080px; margin-left: auto; margin-right: auto;
}
.foot p { margin: 0 0 6px; font-size: 13px; color: var(--ink-faint); max-width: 78ch; }

@media (max-width: 620px) {
  .lede h1 { font-size: 27px; }
  main { padding: 18px 14px 44px; }
  .panel { padding: 15px; }
  .result-actions { margin-left: 0; }
  .kv { grid-template-columns: 1fr; gap: 2px; }
  .kv dd { margin-bottom: 6px; }
  .history-tools { margin-left: 0; width: 100%; }
  .history-tools input { flex: 1; width: auto; }
}