* {
  box-sizing: border-box;
}

:root {
  --bg: #f6f7f8;
  --surface: #ffffff;
  --surface-soft: #fbfbfc;
  --ink: #1f2933;
  --muted: #67727e;
  --subtle: #8a949e;
  --line: #e3e7ea;
  --line-strong: #d4dade;
  --primary: #5d7b7a;
  --primary-strong: #486564;
  --primary-soft: #edf4f3;
  --accent: #a78b72;
  --success: #6d8b74;
  --warning: #b58b55;
  --shadow: 0 16px 42px rgba(31, 41, 51, 0.08);
  --shadow-soft: 0 8px 22px rgba(31, 41, 51, 0.06);
  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --max: 1120px;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(93, 123, 122, 0.13), transparent 32rem),
    linear-gradient(180deg, #fafafa 0%, var(--bg) 46%, #f4f5f6 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(31, 41, 51, 0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(31, 41, 51, 0.025) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,0.55), transparent 70%);
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
.result-panel:focus-visible {
  outline: 3px solid rgba(93, 123, 122, 0.3);
  outline-offset: 3px;
}

button,
input {
  font: inherit;
}

.page-shell {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0 52px;
}

ui-library-header {
  display: block;
}

ui-library-header:not(:defined) {
  min-height: 66px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}

.top-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow-soft);
  color: var(--primary-strong);
  font-weight: 760;
  letter-spacing: -0.04em;
}

.brand-title {
  margin: 0;
  font-size: 15px;
  letter-spacing: 0.02em;
}

.brand-subtitle {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.pill-link,
.ghost-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--muted);
  box-shadow: 0 1px 0 rgba(255,255,255,0.8) inset;
  transition: 160ms ease;
}

.pill-link:hover,
.ghost-link:hover {
  color: var(--ink);
  border-color: var(--line-strong);
  transform: translateY(-1px);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.75fr);
  gap: 28px;
  align-items: stretch;
  margin-bottom: 26px;
}

.hero-card,
.panel,
.component-card,
.demo-card,
.doc-card {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.84);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(10px);
}

.hero-card {
  padding: 34px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  color: var(--primary-strong);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--primary);
  box-shadow: 0 0 0 5px var(--primary-soft);
}

h1 {
  margin: 0;
  max-width: 780px;
  font-size: clamp(34px, 6vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.055em;
}

.lead {
  max-width: 690px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.primary-button,
.secondary-button,
.tab-button,
.copy-button {
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  transition: 160ms ease;
}

.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  background: var(--primary);
  color: #fff;
  box-shadow: 0 10px 22px rgba(93, 123, 122, 0.24);
  font-weight: 700;
}

.primary-button:hover {
  background: var(--primary-strong);
  transform: translateY(-1px);
}

.secondary-button {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 18px;
  background: #fff;
  color: var(--ink);
  border-color: var(--line);
}

.secondary-button:hover {
  border-color: var(--line-strong);
  transform: translateY(-1px);
}

.memo-trigger[aria-expanded="true"] {
  border-color: rgba(93, 123, 122, 0.38);
  background: var(--primary-soft);
  color: var(--primary-strong);
}

.quality-control {
  position: relative;
  width: max-content;
  max-width: 100%;
}

.quality-memo {
  position: absolute;
  z-index: 30;
  top: calc(100% + 10px);
  left: 0;
  width: min(380px, calc(100vw - 64px));
  margin: 0;
  padding: 14px 16px;
  border: 1px solid rgba(93, 123, 122, 0.22);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow);
}

.quality-memo[hidden] {
  display: none;
}

.quality-memo p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.hero-aside {
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
}

.demo-preview-panel {
  min-height: 100%;
  justify-content: center;
  overflow: hidden;
}

.demo-preview-link {
  display: block;
  width: 100%;
  min-width: 0;
  color: inherit;
}

.demo-preview-link[data-has-demo="false"] {
  cursor: default;
}

.demo-preview-link:focus-visible {
  outline: 3px solid rgba(93, 123, 122, 0.3);
  outline-offset: 4px;
  border-radius: var(--radius-md);
}

.preview-image-frame {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  min-width: 0;
  min-height: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background:
    linear-gradient(135deg, rgba(93, 123, 122, 0.08), transparent 42%),
    #f8faf9;
}

.preview-image-frame img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  object-position: center;
}

.preview-image-frame img[hidden] {
  display: none;
}

.no-demo-message {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 118px;
  width: calc(100% - 32px);
  padding: 18px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.76);
  color: var(--muted);
  font-weight: 760;
  text-align: center;
}

.library-status {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.58fr);
  gap: 22px;
  align-items: center;
  padding: 24px;
  margin: 0 0 26px;
}

.library-status h2,
.path-card h2 {
  margin: 0;
  font-size: 26px;
  line-height: 1.12;
  letter-spacing: -0.04em;
}

.library-status p,
.path-card p,
.doc-card p {
  color: var(--muted);
}

code {
  padding: 0.12em 0.36em;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.76);
  color: var(--primary-strong);
  font-size: 0.92em;
}

.status-checks {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.status-checks li {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
}

.status-checks span {
  color: var(--subtle);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.status-checks strong {
  text-align: right;
  font-size: 13px;
}

.type-hero {
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.54fr);
}

.path-card {
  padding: 22px;
}

.path-code {
  display: block;
  margin: 18px 0 12px;
  padding: 12px;
  word-break: break-word;
}

.path-note {
  margin-bottom: 0;
  font-size: 13px;
}

.aside-kpis {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.kpi {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-soft);
}

.kpi strong {
  display: block;
  font-size: 24px;
  letter-spacing: -0.04em;
}

.kpi span {
  color: var(--muted);
  font-size: 12px;
}

.search-wrap {
  position: relative;
  margin-top: 10px;
}

.search-wrap label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.search-input {
  width: 100%;
  min-height: 48px;
  padding: 0 16px 0 44px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  color: var(--ink);
  outline: none;
  box-shadow: 0 1px 0 rgba(255,255,255,0.9) inset;
}

.search-wrap::after {
  content: "⌕";
  position: absolute;
  left: 16px;
  bottom: 10px;
  color: var(--subtle);
  font-size: 22px;
}

.search-input:focus {
  border-color: rgba(93, 123, 122, 0.55);
  box-shadow: 0 0 0 4px rgba(93, 123, 122, 0.12);
}

.fake-search {
  display: flex;
  align-items: center;
  min-height: 42px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  color: var(--subtle);
}

.categories {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 22px 0 20px;
}

.category-chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,0.72);
  color: var(--muted);
  cursor: pointer;
  padding: 9px 13px;
  transition: 150ms ease;
}

.category-chip:hover,
.category-chip.is-active {
  border-color: rgba(93, 123, 122, 0.35);
  background: var(--primary-soft);
  color: var(--primary-strong);
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin: 22px 0 14px;
}

.section-head h2 {
  margin: 0;
  font-size: 24px;
  letter-spacing: -0.035em;
}

.section-head p {
  margin: 6px 0 0;
  color: var(--muted);
}

.component-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.component-card {
  display: flex;
  flex-direction: column;
  min-height: 300px;
  padding: 18px;
  transition: 180ms ease;
}

.component-card:hover,
.component-card.is-previewed {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: var(--line-strong);
}

.component-card:focus-visible {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: rgba(93, 123, 122, 0.42);
}

.featured-card {
  position: relative;
  overflow: hidden;
}

.featured-card::after {
  content: "正式成果";
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 5px 9px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary-strong);
  font-size: 11px;
  font-weight: 760;
}

.component-card.is-hidden {
  display: none;
}

.card-preview {
  min-height: 132px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, #fff, #f7f8f8);
  margin-bottom: 16px;
}

.card-preview-image {
  display: block;
  width: 100%;
  height: 132px;
  object-fit: contain;
  border-radius: calc(var(--radius-md) - 5px);
}

.card-preview-empty {
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  text-align: center;
}

.mini-tabs,
.type-tabs {
  display: flex;
  gap: 6px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #f4f6f6;
}

.mini-tabs span,
.type-tab {
  border: 0;
  border-radius: 999px;
  color: var(--muted);
  background: transparent;
  padding: 7px 11px;
  font-size: 12px;
  font-weight: 680;
  white-space: nowrap;
}

.mini-tabs span:first-child,
.type-tab.is-active {
  background: #fff;
  color: var(--primary-strong);
  box-shadow: 0 1px 7px rgba(31, 41, 51, 0.08);
}

.preview-lines {
  display: grid;
  gap: 9px;
  margin-top: 17px;
}

.preview-lines i {
  display: block;
  height: 8px;
  border-radius: 999px;
  background: #e4e9e8;
}

.preview-lines i:nth-child(2) {
  width: 72%;
}

.preview-lines i:nth-child(3) {
  width: 46%;
}

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 9px;
  color: var(--subtle);
  font-size: 12px;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--success);
  font-weight: 700;
}

.status::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}

.status-preview {
  color: var(--warning);
}

.component-card h3 {
  margin: 0 0 8px;
  font-size: 19px;
  letter-spacing: -0.025em;
}

.component-card p {
  margin: 0 0 17px;
  color: var(--muted);
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  padding: 5px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: #fff;
  font-size: 11px;
}

.arrow-link {
  color: var(--primary-strong);
  font-weight: 760;
}

.empty-state {
  display: none;
  padding: 24px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-lg);
  color: var(--muted);
  text-align: center;
  background: rgba(255,255,255,0.58);
}

.empty-state.is-visible {
  display: block;
}

.demo-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 18px;
  align-items: start;
}

.demo-card {
  padding: 22px;
}

.demo-stage {
  min-width: 0;
  overflow: hidden;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, #fff, #f8f9f9);
}

.type-tabs {
  width: max-content;
  max-width: 100%;
  overflow-x: auto;
  scrollbar-width: thin;
}

.type-tab {
  cursor: pointer;
  font-size: 14px;
  padding: 10px 14px;
}

.type-tab:hover {
  color: var(--ink);
}

.result-panel {
  margin-top: 18px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #fff;
  min-height: 176px;
  transition: 160ms ease;
}

.result-panel h2 {
  margin: 0 0 8px;
  font-size: 28px;
  letter-spacing: -0.04em;
}

.result-panel p {
  margin: 0;
  color: var(--muted);
}

.result-list {
  display: grid;
  gap: 10px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.result-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: var(--ink);
}

.result-list li::before {
  content: "✓";
  display: grid;
  place-items: center;
  flex: 0 0 20px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary-strong);
  font-size: 12px;
  font-weight: 800;
}

.demo-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.copy-button {
  min-height: 38px;
  padding: 0 13px;
  border-color: var(--line);
  background: #fff;
  color: var(--muted);
}

.copy-button:hover {
  border-color: var(--line-strong);
  color: var(--ink);
}

.copy-button.is-done {
  background: var(--primary-soft);
  color: var(--primary-strong);
  border-color: rgba(93, 123, 122, 0.24);
}

.side-panel {
  display: grid;
  gap: 14px;
}

.spec-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.spec-list li {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
}

.spec-list strong {
  display: block;
  margin-bottom: 2px;
  font-size: 13px;
}

.spec-list span {
  color: var(--muted);
  font-size: 13px;
}

.docs-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.doc-card {
  padding: 20px;
}

.doc-card h2 {
  margin: 0 0 10px;
  font-size: 20px;
  letter-spacing: -0.03em;
}

.doc-card ul,
.doc-card ol {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

.doc-card li + li {
  margin-top: 8px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 22px;
  transform: translate(-50%, 14px);
  opacity: 0;
  pointer-events: none;
  padding: 11px 15px;
  border: 1px solid rgba(93, 123, 122, 0.28);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow);
  color: var(--primary-strong);
  transition: 180ms ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

@media (max-width: 900px) {
  .hero,
  .demo-layout,
  .docs-grid,
  .library-status {
    grid-template-columns: 1fr;
  }

  .component-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 28px, var(--max));
    padding-top: 18px;
  }

  .topbar,
  .top-actions,
  .section-head,
  .card-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .top-actions,
  .pill-link {
    width: 100%;
  }

  .pill-link {
    justify-content: center;
  }

  .hero-card,
  .hero-aside,
  .library-status,
  .demo-card,
  .doc-card {
    padding: 18px;
  }

  .status-checks li {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .status-checks strong {
    text-align: left;
  }

  h1 {
    font-size: clamp(32px, 11vw, 42px);
    line-height: 1.03;
    letter-spacing: -0.06em;
  }

  .lead {
    font-size: 15px;
  }

  .component-grid {
    grid-template-columns: 1fr;
  }

  .aside-kpis {
    grid-template-columns: 1fr;
  }

  .type-tabs {
    width: 100%;
  }

  .type-tab {
    flex: 1 0 auto;
    padding: 9px 11px;
    font-size: 13px;
  }
}