:root {
  color-scheme: light;
  --bg: #f4f6f5;
  --surface: #ffffff;
  --surface-2: #edf1ef;
  --surface-3: #e5ebe8;
  --text: #13201d;
  --muted: #5d6c68;
  --faint: #5f6d69;
  --line: #d6dedb;
  --line-strong: #b9c6c2;
  --accent: #0b756a;
  --accent-strong: #075e56;
  --accent-soft: #d9efeb;
  --accent-ink: #064a44;
  --warning: #9a5c05;
  --warning-soft: #fff0d2;
  --danger: #a43d37;
  --danger-soft: #fbe5e2;
  --info: #386274;
  --info-soft: #e2eef2;
  --shadow: 0 18px 60px rgba(25, 55, 48, .12);
  --card-radius: 16px;
  --control-radius: 10px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --sans: "Avenir Next", "SF Pro Display", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #101614;
  --surface: #17201d;
  --surface-2: #1e2a26;
  --surface-3: #26332f;
  --text: #edf5f2;
  --muted: #aebcb7;
  --faint: #84928e;
  --line: #2e3d38;
  --line-strong: #475a54;
  --accent: #55b9aa;
  --accent-strong: #79cabb;
  --accent-soft: #193d37;
  --accent-ink: #bceae1;
  --warning: #e4ae5c;
  --warning-soft: #3d2d16;
  --danger: #ef928b;
  --danger-soft: #402522;
  --info: #8fb8c7;
  --info-soft: #20363e;
  --shadow: 0 18px 60px rgba(0, 0, 0, .32);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.55;
}

button, input, textarea, select { font: inherit; }

button { color: inherit; }

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

code, kbd {
  font-family: var(--mono);
}

code {
  padding: .12em .38em;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface-2);
  font-size: .9em;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.app-shell {
  width: min(1480px, 100%);
  margin: 0 auto;
  padding: 0 32px 32px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--text);
  text-decoration: none;
}

.brand-mark {
  display: block;
  width: 36px;
  height: 36px;
  border-radius: 9px;
  overflow: hidden;
  box-shadow: 0 5px 14px rgb(102 52 43 / 16%);
}

.brand-mark img { display: block; width: 100%; height: 100%; object-fit: cover; }

.brand strong, .brand small { display: block; }
.brand strong { font-size: 15px; letter-spacing: -.01em; }
.brand small { color: var(--muted); font-size: 11px; }

.top-actions { display: flex; align-items: center; gap: 8px; }

.button {
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: var(--control-radius);
  cursor: pointer;
  font-weight: 700;
  white-space: nowrap;
  transition: transform .16s ease, background .16s ease, border-color .16s ease;
}

.button:hover { transform: translateY(-1px); }
.button:active { transform: translateY(1px) scale(.99); }
.button:focus-visible, .text-button:focus-visible, .filter-chip:focus-visible, .result-card:focus-visible, .icon-button:focus-visible, .manage-card:focus-visible, .choice-button:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 38%, transparent);
  outline-offset: 2px;
}

.button-primary { background: var(--accent); color: #f4fffc; }
.button-primary:hover { background: var(--accent-strong); }
.button-secondary { border-color: var(--line-strong); background: var(--surface); }
.button-quiet { border-color: var(--line); background: transparent; }
.button-quiet:hover { background: var(--surface-2); }
.full-width { width: 100%; }

.text-button {
  padding: 6px 2px;
  border: 0;
  background: transparent;
  color: var(--accent-strong);
  cursor: pointer;
  font-weight: 700;
  white-space: nowrap;
}

.hero {
  display: grid;
  min-height: 410px;
  grid-template-columns: minmax(0, 1.5fr) minmax(320px, .75fr);
  align-items: center;
  gap: clamp(48px, 8vw, 120px);
  padding: 58px 0 42px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--accent-strong);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .13em;
}

.hero h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(44px, 6.2vw, 86px);
  font-weight: 760;
  letter-spacing: -.065em;
  line-height: .98;
}

.hero-copy > p:last-child {
  max-width: 640px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(16px, 1.5vw, 20px);
}

.hero-check {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--card-radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero-check > strong { font-size: 15px; }
.hero-check ol { display: grid; gap: 9px; margin: 16px 0; padding: 0; list-style: none; }
.hero-check li { display: flex; align-items: center; gap: 10px; color: var(--muted); }
.hero-check li span { display: grid; width: 24px; height: 24px; flex: 0 0 auto; place-items: center; border-radius: 50%; background: var(--accent-soft); color: var(--accent-ink); font: 700 12px var(--mono); }
.hero-check p { margin: 0; padding-top: 14px; border-top: 1px solid var(--line); color: var(--warning); font-size: 13px; }

.search-panel {
  position: sticky;
  top: 72px;
  z-index: 15;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--card-radius);
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  box-shadow: 0 12px 36px rgba(25, 55, 48, .08);
  backdrop-filter: blur(18px);
}

.search-box { position: relative; display: block; }
.search-box > span { display: block; margin-bottom: 7px; color: var(--muted); font-size: 12px; font-weight: 700; }
.search-box input {
  width: 100%;
  height: 56px;
  padding: 0 54px 0 17px;
  border: 1px solid var(--line-strong);
  border-radius: var(--control-radius);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
}

.search-box input:focus { border-color: var(--accent); outline: 3px solid color-mix(in srgb, var(--accent) 20%, transparent); }
.search-box input::placeholder { color: var(--faint); }
.search-box kbd { position: absolute; right: 15px; bottom: 15px; min-width: 27px; padding: 2px 6px; border: 1px solid var(--line-strong); border-radius: 6px; background: var(--surface); color: var(--faint); text-align: center; box-shadow: 0 1px 0 var(--line-strong); }

.filter-row {
  display: flex;
  gap: 7px;
  margin-top: 14px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.filter-chip {
  flex: 0 0 auto;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
}

.filter-chip[aria-pressed="true"] { border-color: var(--accent); background: var(--accent-soft); color: var(--accent-ink); }

.select-row { display: flex; align-items: end; gap: 12px; margin-top: 13px; }
.select-row label { display: grid; gap: 5px; color: var(--muted); font-size: 11px; font-weight: 700; }
.select-row select {
  min-width: 150px;
  height: 38px;
  padding: 0 34px 0 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-size: 13px;
}
.select-row .text-button { margin-left: auto; }

.workspace { display: grid; grid-template-columns: 248px minmax(0, 1fr); gap: 28px; padding: 34px 0 64px; }
.side-notes { position: sticky; top: 282px; align-self: start; display: grid; gap: 18px; }
.stat-block { padding: 22px; border-radius: var(--card-radius); background: var(--accent); color: #f4fffc; }
.stat-block span, .stat-block strong, .stat-block small { display: block; }
.stat-block span { font-size: 12px; font-weight: 700; opacity: .82; }
.stat-block strong { margin: 6px 0 1px; font: 750 44px/1 var(--mono); letter-spacing: -.06em; }
.stat-block small { font-size: 12px; opacity: .78; }

.note-block { padding: 21px; border: 1px solid var(--line); border-radius: var(--card-radius); background: var(--surface); }
.note-block h2 { margin: 0 0 14px; font-size: 15px; }
.note-block dl { margin: 0; }
.note-block dl > div + div { margin-top: 14px; }
.note-block dt { color: var(--text); font: 700 12px var(--mono); }
.note-block dd { margin: 4px 0 0; color: var(--muted); font-size: 12px; }

.results-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 16px; }
.results-head h2 { margin: 0; font-size: 22px; letter-spacing: -.025em; }
.results-head p { margin: 3px 0 0; color: var(--muted); font-size: 13px; }
.legend { display: flex; gap: 12px; color: var(--muted); font-size: 11px; }
.legend span { display: inline-flex; align-items: center; gap: 5px; }
.legend i { width: 8px; height: 8px; border-radius: 50%; }
.legend-official { background: var(--accent); }
.legend-alias { background: var(--info); }
.legend-risk { background: var(--warning); }

.results-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.result-card {
  display: grid;
  min-height: 236px;
  grid-template-rows: auto auto 1fr auto;
  gap: 13px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--card-radius);
  background: var(--surface);
  cursor: pointer;
  text-align: left;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.result-card:hover { transform: translateY(-2px); border-color: var(--line-strong); box-shadow: 0 12px 30px rgba(25, 55, 48, .08); }
.result-card:active { transform: translateY(0) scale(.995); }
.card-top { display: flex; align-items: start; justify-content: space-between; gap: 14px; }
.alias-name { display: block; margin: 0; font: 760 clamp(20px, 2.1vw, 29px)/1.08 var(--sans); letter-spacing: -.035em; overflow-wrap: anywhere; }
.provider-name { flex: 0 0 auto; padding-top: 4px; color: var(--muted); font: 700 11px var(--mono); text-align: right; }
.canonical { display: block; margin: 0; color: var(--accent-strong); font-size: 13px; font-weight: 750; }
.card-summary { display: block; margin: 0; color: var(--muted); font-size: 14px; }
.card-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.badge { display: inline-flex; min-height: 25px; align-items: center; padding: 0 8px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface-2); color: var(--muted); font-size: 10px; font-weight: 800; }
.badge-official { border-color: color-mix(in srgb, var(--accent) 35%, var(--line)); background: var(--accent-soft); color: var(--accent-ink); }
.badge-alias { border-color: color-mix(in srgb, var(--info) 35%, var(--line)); background: var(--info-soft); color: var(--info); }
.badge-risk { border-color: color-mix(in srgb, var(--warning) 35%, var(--line)); background: var(--warning-soft); color: var(--warning); }
.badge-danger { border-color: color-mix(in srgb, var(--danger) 35%, var(--line)); background: var(--danger-soft); color: var(--danger); }
.match-note { margin-left: auto; color: var(--faint); font-size: 10px; }

.empty-state { padding: 72px 28px; border: 1px dashed var(--line-strong); border-radius: var(--card-radius); background: var(--surface); text-align: center; }
.empty-state strong { display: block; font-size: 20px; }
.empty-state p { max-width: 560px; margin: 10px auto 22px; color: var(--muted); }

footer { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 24px 0 4px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
footer p { margin: 0; }

.dialog {
  width: min(860px, calc(100vw - 32px));
  max-height: min(88dvh, 940px);
  margin: auto;
  padding: 0;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: var(--card-radius);
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow);
}

.dialog::backdrop { background: rgba(6, 18, 15, .62); backdrop-filter: blur(5px); }
.dialog-bar { position: sticky; top: 0; z-index: 4; display: flex; min-height: 64px; align-items: center; justify-content: space-between; gap: 24px; padding: 12px 22px; border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--surface) 94%, transparent); backdrop-filter: blur(14px); }
.dialog-bar > span { color: var(--muted); font-size: 12px; font-weight: 800; }
.dialog-bar h2 { margin: 0; font-size: 18px; }
.icon-button { display: grid; width: 38px; height: 38px; flex: 0 0 auto; place-items: center; border: 1px solid var(--line); border-radius: 9px; background: transparent; cursor: pointer; font-size: 22px; line-height: 1; }
.icon-button:hover { background: var(--surface-2); }

.detail-hero { padding: 27px 28px 24px; border-bottom: 1px solid var(--line); }
.detail-kicker { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 16px; }
.detail-hero h2 { margin: 0; font-size: clamp(32px, 5vw, 58px); letter-spacing: -.055em; line-height: 1; overflow-wrap: anywhere; }
.detail-canonical { margin: 13px 0 0; color: var(--accent-strong); font-size: 17px; font-weight: 760; }
.detail-id { margin: 16px 0 0; color: var(--muted); font-size: 13px; }
.detail-id code { display: inline-block; margin-left: 6px; overflow-wrap: anywhere; }
.detail-layout { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(240px, .7fr); gap: 30px; padding: 26px 28px 10px; }
.detail-section + .detail-section { margin-top: 25px; }
.detail-section h3 { margin: 0 0 8px; font-size: 13px; }
.detail-section p { margin: 0; color: var(--muted); }
.detail-section ul, .detail-section ol { margin: 0; padding-left: 20px; color: var(--muted); }
.detail-section li + li { margin-top: 7px; }
.detail-aside { align-self: start; padding: 18px; border-radius: var(--card-radius); background: var(--surface-2); }
.detail-aside dl { margin: 0; }
.detail-aside div + div { margin-top: 14px; }
.detail-aside dt { color: var(--faint); font-size: 10px; font-weight: 800; }
.detail-aside dd { margin: 2px 0 0; font-size: 13px; font-weight: 700; overflow-wrap: anywhere; }
.source-list { display: grid; gap: 7px; }
.source-list a { overflow-wrap: anywhere; font-size: 12px; }
.reply-box { margin: 20px 28px 8px; padding: 18px; border: 1px solid var(--line); border-radius: var(--card-radius); background: var(--bg); }
.reply-box h3 { margin: 0 0 7px; font-size: 13px; }
.reply-box p { margin: 0; color: var(--muted); }
.reply-box button { margin-top: 12px; }
.detail-actions { display: flex; justify-content: space-between; gap: 12px; padding: 18px 28px 28px; }
.detail-actions > div { display: flex; gap: 8px; }
.danger-button { border-color: color-mix(in srgb, var(--danger) 45%, var(--line)); color: var(--danger); }

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 17px; padding: 24px; }
.form-grid label { display: grid; align-content: start; gap: 7px; color: var(--text); font-size: 13px; font-weight: 760; }
.form-grid label > span { color: var(--faint); font-size: 10px; font-weight: 600; }
.form-grid .span-2 { grid-column: 1 / -1; }
.form-grid input, .form-grid textarea, .form-grid select {
  width: 100%;
  padding: 10px 11px;
  border: 1px solid var(--line-strong);
  border-radius: var(--control-radius);
  background: var(--bg);
  color: var(--text);
  font-weight: 500;
}
.form-grid input, .form-grid select { min-height: 44px; }
.form-grid textarea { resize: vertical; }
.form-grid input:focus, .form-grid textarea:focus, .form-grid select:focus { border-color: var(--accent); outline: 3px solid color-mix(in srgb, var(--accent) 18%, transparent); }
.form-error { margin: 0 24px 16px; padding: 12px; border-radius: var(--control-radius); background: var(--danger-soft); color: var(--danger); }
.dialog-actions { position: sticky; bottom: 0; display: flex; justify-content: flex-end; gap: 8px; padding: 14px 24px; border-top: 1px solid var(--line); background: color-mix(in srgb, var(--surface) 94%, transparent); backdrop-filter: blur(14px); }

.manage-intro { padding: 24px 24px 4px; }
.manage-intro p { margin: 5px 0 0; color: var(--muted); }
.manage-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; padding: 20px 24px; }
.manage-card, .choice-button { display: grid; gap: 5px; padding: 18px; border: 1px solid var(--line); border-radius: var(--card-radius); background: var(--bg); cursor: pointer; text-align: left; }
.manage-card:hover, .choice-button:hover { border-color: var(--accent); }
.manage-card span, .choice-button span { color: var(--muted); font-size: 12px; }
.danger-card strong, .danger-choice strong { color: var(--danger); }
.data-summary { margin: 0 24px 24px; padding: 17px; border-radius: var(--card-radius); background: var(--surface-2); color: var(--muted); font-size: 13px; }
.data-summary strong { color: var(--text); }
.data-summary-error { background: var(--danger-soft); color: var(--danger); }
.data-summary-error strong { color: var(--danger); }
.confirm-dialog { width: min(560px, calc(100vw - 32px)); }
.confirm-dialog > p { margin: 0; padding: 22px 24px 6px; color: var(--muted); }
.choice-list { display: grid; gap: 10px; padding: 18px 24px 24px; }
.guide-dialog { width: min(760px, calc(100vw - 32px)); }
.guide-flow { padding: 4px 26px 28px; }
.guide-flow section { display: grid; grid-template-columns: 92px minmax(160px, .85fr) minmax(220px, 1.2fr); gap: 18px; align-items: baseline; padding: 22px 0; border-bottom: 1px solid var(--line); }
.guide-flow section:last-child { border-bottom: 0; }
.guide-flow span { color: var(--accent-strong); font: 800 11px var(--mono); }
.guide-flow h3 { margin: 0; font-size: 17px; }
.guide-flow p { margin: 0; color: var(--muted); font-size: 13px; }

.toast { position: fixed; inset: auto 24px 24px auto; z-index: 50; max-width: min(400px, calc(100vw - 48px)); margin: 0; padding: 13px 16px; border: 1px solid var(--line-strong); border-radius: var(--control-radius); background: var(--text); color: var(--surface); box-shadow: var(--shadow); font-size: 13px; font-weight: 700; }

@media (max-width: 1040px) {
  .app-shell { padding-inline: 22px; }
  .hero { grid-template-columns: 1fr 340px; gap: 38px; }
  .workspace { grid-template-columns: 210px minmax(0, 1fr); gap: 20px; }
  .results-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .app-shell { padding: 0 14px 20px; }
  .topbar { min-height: 64px; }
  .brand small { display: none; }
  .top-actions { gap: 5px; }
  .top-actions .button { min-height: 38px; padding: 0 10px; font-size: 12px; }
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 28px; padding: 40px 0 28px; }
  .hero h1 { font-size: clamp(42px, 13vw, 62px); }
  .hero-check { box-shadow: none; }
  .search-panel { position: static; margin-inline: -5px; padding: 13px; }
  .search-box input { height: 52px; font-size: 15px; }
  .select-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .select-row label:nth-child(3) { display: none; }
  .select-row select { width: 100%; min-width: 0; }
  .select-row .text-button { margin-left: 0; justify-self: start; }
  .workspace { grid-template-columns: 1fr; padding-top: 26px; }
  .side-notes { position: static; grid-template-columns: minmax(120px, .55fr) minmax(0, 1fr); }
  .note-block { padding: 16px; }
  .note-block dl > div:nth-child(n+3) { display: none; }
  .side-notes > .button { grid-column: 1 / -1; }
  .stat-block { padding: 18px; }
  .stat-block strong { font-size: 36px; }
  .legend { display: none; }
  .result-card { min-height: 220px; padding: 18px; }
  footer { align-items: start; }
  .detail-layout { grid-template-columns: 1fr; gap: 20px; padding-inline: 20px; }
  .detail-hero { padding-inline: 20px; }
  .reply-box { margin-inline: 20px; }
  .detail-actions { align-items: stretch; padding-inline: 20px; }
  .detail-actions, .detail-actions > div { flex-direction: column; }
  .detail-actions .button { width: 100%; }
  .form-grid { grid-template-columns: 1fr; padding: 18px; }
  .form-grid .span-2 { grid-column: auto; }
  .manage-grid { grid-template-columns: 1fr; }
  .guide-flow section { grid-template-columns: 1fr; gap: 5px; }
}

@media (max-width: 430px) {
  .topbar { gap: 8px; }
  .brand > span:last-child { display: none; }
  .top-actions .button { padding-inline: 7px; font-size: 11px; }
  #themeButton { max-width: 58px; overflow: hidden; }
  .hero h1 br { display: none; }
  .side-notes { grid-template-columns: 1fr; }
  .side-notes > .button { grid-column: auto; }
  .note-block { display: none; }
  .results-head { align-items: start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

@media (prefers-reduced-transparency: reduce) {
  .topbar, .search-panel, .dialog-bar, .dialog-actions { background: var(--surface); backdrop-filter: none; }
}