:root {
  --orange: #ff7a00;
  --ink: #111;
  --muted: #66645f;
  --paper: #efeee8;
  --line: #aaa8a0;
  --white: #fff;
  --green: #14795b;
  --red: #a63232;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --sans: Inter, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { background: var(--paper); color: var(--ink); }
body { margin: 0; padding-top: 58px; background: var(--paper); font-family: var(--sans); }
button, input, select { font: inherit; }
a { color: inherit; }
.loading-mask { position: fixed; z-index: 11000; inset: 0; display: grid; place-content: center; gap: 14px; color: #fff; background: rgba(5, 5, 5, .95); font: 800 11px/1.3 var(--mono); letter-spacing: .9px; text-transform: uppercase; }
.loading-mask__bar { position: relative; width: min(280px, 72vw); height: 4px; overflow: hidden; background: #353535; }
.loading-mask__bar::after { content: ""; position: absolute; inset: 0 auto 0 -40%; width: 40%; background: var(--orange); animation: rules-loading 1s ease-in-out infinite; }
@keyframes rules-loading { 50% { transform: translateX(250%); } 100% { transform: translateX(500%); } }
.rules-page { width: min(1360px, calc(100% - 40px)); margin: 0 auto; padding: 46px 0 72px; }
.eyebrow { margin: 0 0 12px; color: #7a450f; font: 800 10px/1.3 var(--mono); letter-spacing: 1.35px; }

.rules-hero { display: grid; grid-template-columns: minmax(0, 1fr) 310px; gap: 34px; align-items: end; padding: 42px; border: 1px solid #232323; border-top: 5px solid var(--orange); color: #fff; background: #090909; }
.rules-hero .eyebrow { color: #ffad5c; }
.rules-hero h1 { max-width: 850px; margin: 0; font-size: clamp(34px, 5vw, 68px); line-height: 1.03; letter-spacing: -3px; }
.hero-summary { max-width: 840px; margin: 24px 0 0; color: #c4c4c4; font-size: 16px; line-height: 1.8; }
.scope-card { min-height: 150px; display: grid; align-content: end; gap: 10px; padding: 24px; border-left: 4px solid var(--orange); color: #111; background: #fff; }
.scope-card span, .scope-card small { color: var(--muted); font: 700 10px/1.5 var(--mono); }
.scope-card strong { font-size: 21px; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-top: 0; background: var(--white); }
.stats div { min-height: 116px; display: grid; align-content: center; gap: 5px; padding: 22px 28px; border-right: 1px solid #d0cec7; }
.stats div:nth-child(4n) { border-right: 0; }
.stats div:nth-child(-n+4) { border-bottom: 1px solid #d0cec7; }
.stats span { font: 900 34px/1 var(--mono); }
.stats small { color: var(--muted); font-size: 12px; }

.search-panel, .results, .source-note { margin-top: 24px; border: 1px solid var(--line); background: var(--white); }
.search-panel { padding: 30px; }
.section-heading, .results-bar { display: flex; align-items: end; justify-content: space-between; gap: 20px; }
.section-heading h2, .results-bar h2, .source-note h2 { margin: 0; font-size: 23px; }
.text-button { min-height: 38px; padding: 0 14px; border: 1px solid var(--ink); color: var(--ink); background: transparent; cursor: pointer; font-weight: 800; }
.text-button:hover { color: #fff; background: #111; }
.search-box { margin-top: 26px; }
.search-box > label, .filters label { display: grid; gap: 8px; color: #393834; font-size: 12px; font-weight: 800; }
.search-input-wrap { position: relative; margin-top: 8px; }
.search-input-wrap > span { position: absolute; top: 50%; left: 16px; transform: translateY(-50%); color: var(--orange); font: 900 22px/1 var(--mono); }
.search-input-wrap input { width: 100%; height: 56px; padding: 0 18px 0 48px; border: 1px solid var(--line); border-left: 4px solid var(--orange); border-radius: 0; font-size: 16px; background: #fff; }
.filters { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-top: 16px; }
.filters select { width: 100%; height: 44px; padding: 0 34px 0 12px; border: 1px solid var(--line); border-radius: 0; background: #fff; }

.results { padding: 0 30px 30px; }
.results-bar { min-height: 82px; border-bottom: 1px solid #cbc9c1; }
.results-bar p { margin: 0; color: var(--muted); font: 800 10px/1 var(--mono); letter-spacing: .5px; }
.result-list { display: grid; }
.rule-card { position: relative; display: grid; grid-template-columns: 210px minmax(0, 1fr) 160px; gap: 24px; align-items: start; padding: 24px 0; border-bottom: 1px solid #d8d6cf; }
.rule-card:last-child { border-bottom: 0; }
.rule-card__source { display: grid; gap: 9px; }
.authority { font-weight: 900; font-size: 14px; }
.market, .date, .document-number { color: var(--muted); font: 700 10px/1.5 var(--mono); }
.rule-card__main { min-width: 0; }
.rule-card h3 { margin: 0; font-size: 18px; line-height: 1.55; }
.rule-card h3 button { padding: 0; border: 0; color: inherit; background: none; text-align: left; cursor: pointer; font: inherit; font-weight: 900; }
.rule-card h3 button:hover { color: #a34e00; text-decoration: underline; text-underline-offset: 4px; }
.document-number { margin: 8px 0 0; }
.excerpt { margin: 13px 0 0; color: #494843; font-size: 13px; line-height: 1.75; }
.rule-card__meta { display: grid; justify-items: end; gap: 10px; }
.badge { display: inline-flex; min-height: 26px; align-items: center; padding: 0 9px; border: 1px solid #8d8b85; color: #383733; background: #f5f4f0; font: 800 10px/1 var(--mono); }
.badge--current { border-color: #69a38f; color: #0f6148; background: #e9f6f0; }
.category { max-width: 160px; color: var(--muted); font-size: 11px; line-height: 1.45; text-align: right; }
.empty-state { padding: 70px 20px; text-align: center; }
.empty-state strong, .empty-state span { display: block; }
.empty-state span { margin-top: 10px; color: var(--muted); }
.load-error { padding: 30px; border: 2px solid var(--red); color: var(--red); background: #fff4f4; line-height: 1.7; }

.source-note { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 30px; padding: 30px; }
.source-note__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.source-note__grid p { margin: 0; padding-left: 16px; border-left: 3px solid var(--orange); }
.source-note__grid strong, .source-note__grid span { display: block; }
.source-note__grid strong { font-size: 13px; }
.source-note__grid span { margin-top: 7px; color: var(--muted); font-size: 12px; line-height: 1.7; }
.disclaimer { grid-column: 2; margin: 0; padding-top: 20px; border-top: 1px solid #d8d6cf; color: var(--muted); font-size: 11px; line-height: 1.7; }

.rule-dialog { width: min(940px, calc(100% - 32px)); max-height: calc(100vh - 44px); padding: 0; border: 1px solid #111; border-top: 5px solid var(--orange); border-radius: 0; background: #fff; }
.rule-dialog::backdrop { background: rgba(0, 0, 0, .7); }
.dialog-head { position: sticky; top: 0; z-index: 2; display: flex; justify-content: space-between; gap: 20px; padding: 26px 30px; border-bottom: 1px solid #bbb9b2; background: #fff; }
.dialog-head h2 { margin: 0; font-size: 22px; line-height: 1.45; }
.dialog-close { flex: 0 0 40px; width: 40px; height: 40px; border: 1px solid #111; color: #fff; background: #111; cursor: pointer; font-size: 24px; }
.dialog-close:hover { color: #111; background: var(--orange); }
.dialog-meta { display: grid; grid-template-columns: repeat(3, 1fr); margin: 26px 30px 0; border: 1px solid #c7c5be; }
.dialog-meta p { min-height: 78px; margin: 0; padding: 15px; border-right: 1px solid #ddd; border-bottom: 1px solid #ddd; }
.dialog-meta p:nth-child(3n) { border-right: 0; }
.dialog-meta span, .dialog-meta strong { display: block; }
.dialog-meta span { color: var(--muted); font: 700 9px/1.4 var(--mono); }
.dialog-meta strong { margin-top: 8px; font-size: 12px; line-height: 1.5; }
.dialog-links { display: flex; flex-wrap: wrap; gap: 9px; margin: 20px 30px; }
.dialog-links a { display: inline-flex; align-items: center; min-height: 38px; padding: 0 13px; border: 1px solid #111; color: #111; background: #fff; text-decoration: none; font-size: 12px; font-weight: 900; }
.dialog-links a:first-child, .dialog-links a:hover { color: #000; border-color: var(--orange); background: var(--orange); }
.dialog-text { margin: 0 30px 30px; }
.dialog-text h3 { margin: 0; font-size: 16px; }
.dialog-text > p { color: var(--muted); font-size: 11px; }
.dialog-text pre { max-height: 440px; margin: 14px 0 0; padding: 20px; overflow: auto; border: 1px solid #c5c3bb; white-space: pre-wrap; word-break: break-word; background: #f7f6f2; font: 12px/1.85 var(--sans); }
.site-footer { min-height: 80px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 0 max(20px, calc((100vw - 1360px) / 2)); color: #999; background: #050505; font: 700 10px/1.4 var(--mono); }
.site-footer a { color: #ddd; }

@media (max-width: 900px) {
  .rules-page { width: min(100% - 24px, 1360px); padding-top: 22px; }
  .rules-hero { grid-template-columns: 1fr; padding: 28px; }
  .rules-hero h1 { letter-spacing: -1.8px; }
  .scope-card { min-height: auto; }
  .stats { grid-template-columns: repeat(3, 1fr); }
  .stats div { border-bottom: 1px solid #d0cec7; }
  .stats div:nth-child(3n) { border-right: 0; }
  .stats div:last-child { border-bottom: 0; }
  .filters { grid-template-columns: repeat(2, 1fr); }
  .rule-card { grid-template-columns: 145px minmax(0, 1fr); }
  .rule-card__meta { grid-column: 2; grid-row: 2; justify-items: start; }
  .category { max-width: none; text-align: left; }
  .source-note { grid-template-columns: 1fr; }
  .source-note__grid { grid-template-columns: 1fr; }
  .disclaimer { grid-column: 1; }
}

@media (max-width: 600px) {
  body { padding-top: 58px; }
  .rules-hero { padding: 24px 20px; }
  .hero-summary { font-size: 14px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stats div { border-right: 1px solid #d0cec7; border-bottom: 1px solid #d0cec7; }
  .stats div:nth-child(3n) { border-right: 1px solid #d0cec7; }
  .stats div:nth-child(2n) { border-right: 0; }
  .stats div:last-child { border-bottom: 0; }
  .search-panel, .results, .source-note { padding-left: 18px; padding-right: 18px; }
  .filters { grid-template-columns: 1fr; }
  .rule-card { grid-template-columns: 1fr; gap: 12px; }
  .rule-card__meta { grid-column: 1; grid-row: auto; justify-items: start; }
  .dialog-meta { grid-template-columns: 1fr; }
  .dialog-meta p { border-right: 0; }
  .dialog-head, .dialog-meta, .dialog-links, .dialog-text { margin-left: 18px; margin-right: 18px; }
  .dialog-head { margin: 0; padding: 20px 18px; }
  .site-footer { align-items: flex-start; flex-direction: column; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  .loading-mask__bar::after { animation-duration: .01ms; animation-iteration-count: 1; }
}

@media print {
  .loading-mask { display: none !important; }
}