:root {
  color-scheme: light;
  --ink: #16231f;
  --muted: #65736d;
  --paper: #f4f3ed;
  --surface: #fffefa;
  --line: #d9ded9;
  --green: #155f49;
  --green-2: #0b7a59;
  --mint: #dcebe4;
  --lime: #d8e76a;
  --amber: #a76516;
  --red: #9d342d;
  --shadow: 0 18px 54px rgba(26, 43, 36, 0.09);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); line-height: 1.55; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
button:focus-visible, a:focus-visible { outline: 3px solid var(--green-2); outline-offset: 4px; }

.topbar {
  height: 76px;
  padding: 0 clamp(24px, 5vw, 72px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(22, 35, 31, 0.11);
  background: rgba(244, 243, 237, 0.9);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand { display: flex; gap: 12px; align-items: center; color: inherit; text-decoration: none; }
.brand-mark { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 12px; background: var(--green); color: white; font-size: 12px; font-weight: 800; letter-spacing: 0.08em; }
.brand strong, .brand small { display: block; }
.brand strong { letter-spacing: -0.02em; }
.brand small { color: var(--muted); font-size: 12px; margin-top: 1px; }
.header-meta { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 13px; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: #b7bdb9; box-shadow: 0 0 0 5px rgba(183, 189, 185, 0.22); }
.status-dot.ready { background: var(--green-2); box-shadow: 0 0 0 5px rgba(11, 122, 89, 0.13); }

main { width: min(1760px, calc(100% - 48px)); margin: 0 auto; scroll-margin-top: 76px; }
.hero { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 40px; align-items: center; padding: 28px 0; }
.eyebrow, .section-kicker { color: var(--green-2); text-transform: uppercase; letter-spacing: 0.14em; font-size: 11px; font-weight: 750; margin: 0 0 14px; }
h1 { margin: 0; max-width: 780px; font-family: Georgia, "Songti SC", serif; font-size: clamp(28px, 3vw, 40px); line-height: 1.18; letter-spacing: -0.035em; font-weight: 500; }
.hero .eyebrow { font-size: 10px; margin-bottom: 10px; }
.hero-copy { color: var(--muted); font-size: 13px; max-width: 650px; margin: 12px 0 0; }
.flow-card { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 24px; border: 1px solid rgba(21, 95, 73, 0.18); border-radius: 18px; padding: 22px; background: var(--surface); }
.flow-step { display: grid; grid-template-columns: 30px 1fr; align-items: center; gap: 10px; }
.flow-step span { height: 30px; display: grid; place-items: center; border-radius: 50%; border: 1px solid var(--line); color: var(--muted); font-size: 10px; font-weight: 700; }
.flow-step strong { font-size: 12px; }
.flow-step.active span { color: white; background: var(--green); border-color: var(--green); }
.flow-line { display: none; }

.workspace { display: grid; grid-template-columns: minmax(340px, 0.95fr) minmax(0, 2fr); gap: 22px; align-items: start; scroll-margin-top: 98px; }
.panel { border: 1px solid var(--line); border-radius: 24px; background: var(--surface); box-shadow: var(--shadow); }
.form-panel { padding: clamp(24px, 3vw, 42px); }
.result-panel { overflow: hidden; scroll-margin-top: 98px; }
.comparison-columns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--line); }
.version-result { min-width: 0; background: var(--surface); overflow-wrap: anywhere; }
.version-result .result-header { padding: 26px 24px; min-height: 184px; }
.version-result .result-body { padding: 24px; }
.version-result .result-code { font-size: 46px; }
.version-result .result-name { font-size: 14px; }
.version-result .result-status-copy { font-size: 24px; }
.version-result .result-metric { padding: 12px; }
.result-header.error { background: #6e3933; }
.comparison-summary { padding: 24px; border-bottom: 1px solid var(--line); }
.comparison-summary h2 { margin: 0 0 6px; font-size: 21px; }
.comparison-summary p { color: var(--muted); font-size: 13px; margin: 8px 0; }
.comparison-summary .comparison-note { font-size: 11px; margin-bottom: 0; }
.diff-table-wrap { overflow-x: auto; margin: 14px 0; }
.diff-table { border-collapse: collapse; width: 100%; font-size: 12px; table-layout: fixed; }
.diff-table th, .diff-table td { border-bottom: 1px solid var(--line); text-align: left; padding: 9px; vertical-align: top; overflow-wrap: anywhere; }
.diff-table th:first-child { width: 22%; }
.diff-table thead { background: var(--mint); }
.placeholder-columns { gap: 16px; background: transparent; }
@media (min-width: 1081px) and (max-width: 1400px) {
  .form-panel { padding: 24px; }
  .form-panel .field-grid.two { grid-template-columns: 1fr; }
  .form-panel .span-2 { grid-column: span 1; }
  .basic-info-row { grid-template-columns: 1fr 1fr; }
  .details-toggle { grid-column: span 2; justify-content: center; }
}
.result-placeholder { padding: 32px; }
.result-placeholder-heading { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.result-placeholder h2 { font-size: 24px; margin: 0; line-height: 1.2; }
.pending-badge { color: var(--muted); background: #eef2ee; border-radius: 99px; padding: 5px 10px; font-size: 11px; white-space: nowrap; }
.result-preview { margin: 26px 0 20px; padding: 20px; border: 1px dashed #cbd8d0; border-radius: 14px; background: #f5f8f4; }
.result-preview > span { display: block; color: var(--green); font-size: 11px; letter-spacing: 0.1em; }
.result-preview > strong { display: block; font-size: 36px; color: #91a69a; font-weight: 500; line-height: 1.5; }
.result-preview p, .result-preview-note { margin: 0; color: var(--muted); font-size: 12px; }
.placeholder-grid.result-grid { margin-bottom: 18px; }
.placeholder-grid .result-metric { background: var(--surface); }
.placeholder-grid .result-metric strong { color: #91a69a; font-weight: 500; }
.panel-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; margin-bottom: 20px; }
.panel-heading h2 { font-size: 28px; line-height: 1.2; margin: 0; letter-spacing: -0.025em; }
.input-hint { margin: -4px 0 18px; color: var(--muted); font-size: 13px; }
.basic-info-row { display: grid; grid-template-columns: 1fr 1fr auto; align-items: end; gap: 16px; }
.details-toggle { display: flex; align-items: center; gap: 8px; min-height: 44px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 11px; color: var(--green); background: transparent; font-size: 12px; white-space: nowrap; }
.details-toggle:hover { background: #f0f7f3; }
.toggle-chevron { transition: transform 0.2s; }
.details-toggle[aria-expanded=true] .toggle-chevron { transform: rotate(180deg); }
.patient-details { margin-top: 18px; padding: 18px; border-radius: 12px; background: #f1f5f1; }
.details-note { margin: 0 0 16px; font-size: 12px; color: var(--muted); }
.text-button { border: 0; color: var(--green); background: transparent; padding: 8px 0; }

.examples { display: flex; gap: 8px; overflow-x: auto; padding: 0 0 18px; margin-bottom: 6px; }
.example-button { flex: 0 0 auto; border: 1px solid var(--line); border-radius: 99px; padding: 8px 12px; background: transparent; color: var(--muted); font-size: 12px; }
.example-button:hover { border-color: var(--green); color: var(--green); background: #f5faf7; }
fieldset { border: 0; padding: 0; margin: 0 0 28px; }
legend { width: 100%; padding: 0 0 10px; margin-bottom: 16px; border-bottom: 1px solid var(--line); font-weight: 760; font-size: 14px; }
.field-grid { display: grid; gap: 16px; }
.field-grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.field-grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.span-2 { grid-column: span 2; }
label { display: block; min-width: 0; position: relative; }
label > span { display: flex; justify-content: space-between; gap: 8px; min-height: 21px; margin-bottom: 8px; color: #3d4a45; font-size: 12px; font-weight: 690; }
label em, label b { font-size: 10px; font-style: normal; font-weight: 600; }
label em { color: #8a948f; }
label b { color: var(--red); }
input, textarea, select { width: 100%; border: 1px solid #cfd6d1; border-radius: 11px; outline: none; color: var(--ink); background: #fff; transition: border-color 0.15s, box-shadow 0.15s; }
input, select { height: 44px; padding: 0 12px; }
textarea { resize: vertical; min-height: 108px; padding: 11px 12px; }
input:focus, textarea:focus, select:focus { border-color: var(--green-2); box-shadow: 0 0 0 3px rgba(11, 122, 89, 0.1); }
::placeholder { color: #a4aca8; }
.suggestions { display: none; position: absolute; top: 77px; left: 0; right: 0; z-index: 15; max-height: 264px; overflow-y: auto; border: 1px solid var(--line); border-radius: 12px; background: white; box-shadow: 0 16px 40px rgba(23, 40, 34, 0.14); }
.suggestions.open { display: block; }
.suggestion { width: 100%; display: grid; grid-template-columns: minmax(95px, auto) 1fr; gap: 10px; text-align: left; padding: 10px 12px; border: 0; border-bottom: 1px solid #edf0ed; background: white; color: var(--ink); font-size: 12px; }
.suggestion:last-child { border-bottom: 0; }
.suggestion:hover { background: #f0f7f3; }
.suggestion code { color: var(--green); font-weight: 750; font-family: "SFMono-Regular", Consolas, monospace; }
.suggestion span { color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.form-message { padding: 12px 14px; margin: -8px 0 18px; border-radius: 10px; color: var(--red); background: #f9e8e6; font-size: 13px; }
.primary-button { width: 100%; border: 0; border-radius: 13px; padding: 15px 18px; display: flex; align-items: center; justify-content: space-between; color: white; background: var(--green); font-weight: 760; transition: transform 0.15s, background 0.15s; }
.primary-button:hover { background: #104c3b; transform: translateY(-1px); }
.primary-button:disabled { opacity: 0.55; transform: none; cursor: wait; }

.result-header { padding: 34px 36px 30px; color: white; background: var(--green); }
.result-header.needs-data { background: var(--amber); }
.result-header.invalid, .result-header.ungrouped { background: #6e3933; }
.result-label { margin: 0 0 15px; font-size: 11px; letter-spacing: 0.14em; opacity: 0.72; }
.result-code { margin: 0; font-family: Georgia, serif; font-size: 58px; line-height: 1; font-weight: 500; letter-spacing: 0.02em; }
.result-name { margin: 12px 0 0; max-width: 520px; font-size: 16px; }
.result-status-copy { font-size: 28px; line-height: 1.25; margin: 0; }
.result-body { padding: 28px 36px 40px; }
.result-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; background: var(--line); margin-bottom: 28px; }
.result-metric { padding: 14px 16px; background: white; }
.result-metric span, .result-metric strong { display: block; }
.result-metric span { color: var(--muted); font-size: 10px; letter-spacing: 0.08em; }
.result-metric strong { margin-top: 4px; font-size: 13px; }
.notice-list { margin: 0 0 28px; padding: 0; list-style: none; }
.notice-list li { padding: 10px 12px; margin-bottom: 7px; border-radius: 9px; font-size: 12px; background: #f6eee3; color: #765020; }
.notice-list.error li { background: #f9e8e6; color: var(--red); }
.trace-title { margin: 0 0 16px; font-size: 13px; }
.trace { margin: 0; padding: 0; list-style: none; }
.trace li { display: grid; grid-template-columns: 22px 1fr; gap: 12px; position: relative; padding-bottom: 22px; }
.trace li:not(:last-child)::after { content: ""; position: absolute; left: 7px; top: 17px; bottom: 3px; width: 1px; background: var(--line); }
.trace-dot { width: 15px; height: 15px; margin-top: 3px; border-radius: 50%; border: 3px solid white; box-shadow: 0 0 0 1px #8ba198; background: #8ba198; z-index: 1; }
.trace li.passed .trace-dot { background: var(--green-2); box-shadow: 0 0 0 1px var(--green-2); }
.trace li.failed .trace-dot { background: var(--red); box-shadow: 0 0 0 1px var(--red); }
.trace li.needs-data .trace-dot { background: var(--amber); box-shadow: 0 0 0 1px var(--amber); }
.trace strong { display: block; font-size: 12px; }
.trace p { color: var(--muted); font-size: 12px; margin: 3px 0 0; }
.evidence { margin-top: 7px; padding: 7px 9px; border-radius: 7px; background: #f1f4f1; color: #56645e; font-family: "SFMono-Regular", Consolas, monospace; font-size: 10px; overflow-wrap: anywhere; }

.data-strip { margin: 24px 0 58px; padding: 24px 28px; display: grid; grid-template-columns: repeat(6, 1fr); gap: 1px; border: 1px solid var(--line); border-radius: 18px; background: var(--line); overflow: hidden; }
.data-strip div { display: flex; flex-direction: column; align-items: center; padding: 5px 10px; background: var(--paper); }
.data-strip strong { font-family: Georgia, serif; font-size: 19px; font-weight: 500; }
.data-strip span { color: var(--muted); font-size: 10px; letter-spacing: 0.08em; }
footer { border-top: 1px solid rgba(22, 35, 31, 0.11); padding: 24px; text-align: center; color: var(--muted); font-size: 11px; }

@media (max-width: 1080px) {
  .hero { gap: 24px; }
  .flow-card { gap: 14px; padding: 16px; }
  .workspace { grid-template-columns: 1fr; }
  .result-panel { position: static; min-height: 0; }
}

@media (max-width: 760px) {
  .comparison-columns { grid-template-columns: 1fr; }
  .placeholder-columns { grid-template-columns: 1fr 1fr; gap: 10px; }
  .version-result .result-header { min-height: 0; }
  .topbar { padding: 0 18px; }
  .header-meta { display: none; }
  main { width: min(100% - 24px, 1440px); }
  .hero { grid-template-columns: 1fr; gap: 16px; padding: 22px 0; }
  h1 { font-size: 28px; }
  .flow-card { gap: 10px 16px; padding: 14px; }
  .basic-info-row { gap: 10px; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto; }
  .details-toggle { padding: 8px; gap: 4px; }
  .patient-details { padding: 14px; }
  .field-grid.four, .field-grid.two { grid-template-columns: 1fr; }
  .span-2 { grid-column: span 1; }
  .form-panel, .result-body, .result-placeholder { padding: 24px 20px; }
  .result-header { padding: 30px 22px; }
  .result-code { font-size: 48px; }
  .data-strip { grid-template-columns: repeat(3, 1fr); padding: 1px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}
.provisional-result { padding: 16px; margin-bottom: 18px; border: 1px solid #c28c28; border-radius: 8px; background: #fff8e7; color: #684506; }
.provisional-result p, .rule-version { font-size: 13px; line-height: 1.6; }
.rule-version { color: #576574; overflow-wrap: anywhere; }
.result-header.review { background: #fff8e7; color: #684506; }
.trace li.review .trace-dot { background: #c28c28; }

/* ---------- 编码映射 ---------- */
.mapping-fieldset { margin-bottom: 22px; }
.mapping-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.mapping-toggle { display: flex; align-items: center; gap: 10px; margin: 0; }
.mapping-toggle > span { margin: 0; min-height: 0; color: #3d4a45; font-size: 13px; font-weight: 690; }
.mapping-toggle input { width: 20px; height: 20px; accent-color: var(--green); cursor: pointer; }
.mapping-note { margin: 10px 0 0; color: var(--muted); font-size: 11px; }

.mapping-banner { margin: 14px 0; padding: 14px 16px; border: 1px solid #cfe0d7; border-radius: 12px; background: #f2f8f4; }
.mapping-banner.changed { border-color: #e0c486; background: #fff8e7; }
.mapping-banner strong { font-size: 13px; }
.mapping-banner p { margin: 6px 0; color: #4a5a53; font-size: 12px; }
.mapping-diff { margin-top: 10px; }
.mapping-diff tr.changed td { background: #fdeccb; }

.mapping-result { margin-bottom: 24px; }
.mapping-result-table { width: 100%; border-collapse: collapse; table-layout: fixed; font-size: 11px; }
.mapping-result-table th, .mapping-result-table td { border-bottom: 1px solid var(--line); text-align: left; padding: 7px 8px; vertical-align: top; overflow-wrap: anywhere; }
.mapping-result-table thead { background: #eef3ef; color: #4a5a53; }
.mapping-result-table tr.changed td { background: #fff8e7; }
.mapping-result-table code { color: var(--green); font-family: "SFMono-Regular", Consolas, monospace; }

.mapping-browser { position: fixed; inset: 0; z-index: 80; display: flex; align-items: center; justify-content: center; padding: 24px; }
.mapping-browser-backdrop { position: absolute; inset: 0; background: rgba(22, 35, 31, 0.45); }
.mapping-browser-panel { position: relative; display: flex; flex-direction: column; gap: 14px; width: min(1100px, 100%); max-height: 88vh; padding: 24px; border-radius: 18px; background: var(--surface); box-shadow: 0 30px 80px rgba(20, 35, 30, 0.35); }
.mapping-browser-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.mapping-browser-head h2 { margin: 0; font-size: 20px; }
.mapping-browser-meta { margin: 0; color: var(--muted); font-size: 12px; }
.mapping-browser-controls { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.mapping-browser-controls input[type=search] { flex: 1 1 260px; height: 42px; }
.mapping-filter { display: flex; align-items: center; gap: 8px; color: #3d4a45; font-size: 12px; white-space: nowrap; }
.mapping-filter input { width: 18px; height: 18px; accent-color: var(--green); }
.mapping-table-wrap { flex: 1 1 auto; overflow: auto; border: 1px solid var(--line); border-radius: 12px; }
.mapping-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.mapping-table th, .mapping-table td { text-align: left; padding: 8px 10px; border-bottom: 1px solid #edf0ed; vertical-align: top; overflow-wrap: anywhere; }
.mapping-table thead th { position: sticky; top: 0; z-index: 1; background: #eef3ef; }
.mapping-table td.code { color: var(--green); font-family: "SFMono-Regular", Consolas, monospace; white-space: nowrap; }
.mapping-table tr.changed td { background: #fff8e7; }
.mapping-empty { padding: 24px; text-align: center; color: var(--muted); }
.mapping-pager { display: flex; align-items: center; gap: 12px; font-size: 12px; }
.mapping-pager button { padding: 7px 12px; border: 1px solid var(--line); border-radius: 9px; color: var(--green); background: white; }
.mapping-pager button:disabled { opacity: 0.4; cursor: not-allowed; }
.mapping-pager-count { display: flex; align-items: center; gap: 6px; margin-left: auto; color: var(--muted); }
.mapping-pager-count input { width: 70px; height: 34px; }
body.mapping-open { overflow: hidden; }

@media (max-width: 760px) {
  .mapping-browser { padding: 10px; }
  .mapping-browser-panel { max-height: 94vh; padding: 16px; }
  .mapping-table th:nth-child(2), .mapping-table td:nth-child(2),
  .mapping-table th:nth-child(4), .mapping-table td:nth-child(4) { display: none; }
}

.mapping-tabs { display: flex; gap: 8px; }
.mapping-tab { border: 1px solid var(--line); border-radius: 999px; padding: 7px 14px; background: #fff; color: var(--muted); font-size: 12px; }
.mapping-tab.active { background: var(--green); border-color: var(--green); color: #fff; font-weight: 700; }

/* 医保灰码 */
.gray-badge { display: inline-block; padding: 1px 6px; border-radius: 6px; border: 1px solid #9a9a9a; background: #bfbfbf; color: #232323; font-size: 10px; font-weight: 700; white-space: nowrap; }
.mapping-table tr.gray td { background: #efefef; }
.mapping-table tr.gray td.code { color: #4a4a4a; }
.mapping-result-table tr.gray td { background: #efefef; }