:root {
  --bg: #fafaf7;
  --paper: #ffffff;
  --ink: #18181b;
  --ink-soft: #3f3f46;
  --muted: #71717a;
  --hair: #e8e6e1;
  --hair-strong: #d4d0c8;
  --accent: #315fd9;
  --accent-soft: #eef3ff;
  --skill: #ad3f2e;
  --template: #0f8b56;
  --pattern: #8d4cc8;
  --rubric: #b56a08;
  --radius-sm: 6px;
  --radius-md: 10px;
  --shadow: 0 1px 0 rgba(0, 0, 0, .02), 0 8px 32px rgba(0, 0, 0, .06);
  --pad: 16px;
  --gap: 12px;
  color-scheme: light;
}

[data-theme="dark"] {
  --bg: #0c0a09;
  --paper: #141311;
  --ink: #f4f4f0;
  --ink-soft: #d4d4d0;
  --muted: #a1a09a;
  --hair: #26241f;
  --hair-strong: #35322c;
  --accent: #8dadff;
  --accent-soft: #17213a;
  --shadow: 0 1px 0 rgba(255, 255, 255, .03), 0 10px 40px rgba(0, 0, 0, .45);
  color-scheme: dark;
}

[data-density="regular"] {
  --pad: 20px;
  --gap: 16px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    linear-gradient(var(--hair) 1px, transparent 1px),
    linear-gradient(90deg, var(--hair) 1px, transparent 1px),
    var(--bg);
  background-size: 120px 120px;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
}

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

button,
input {
  font: inherit;
}

.skip-link {
  position: fixed;
  left: 12px;
  top: 12px;
  z-index: 20;
  transform: translateY(-160%);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: var(--ink);
  color: var(--bg);
}

.skip-link:focus {
  transform: translateY(0);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 56px;
  padding: 0 24px;
  border-bottom: 1px solid var(--hair);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: -.02em;
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  border-radius: 6px;
  background: var(--ink);
  color: var(--bg);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-link {
  border-radius: var(--radius-sm);
  color: var(--muted);
  font-size: 13px;
  padding: 8px 10px;
}

.nav-link.active,
.nav-link:hover {
  background: var(--accent-soft);
  color: var(--ink);
}

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

.search-shell {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 300px;
  height: 34px;
  padding: 0 10px;
  border: 1px solid var(--hair);
  border-radius: var(--radius-sm);
  background: var(--paper);
  color: var(--muted);
  box-shadow: 0 1px 2px rgba(0, 0, 0, .03);
}

.search-shell span {
  font-size: 12px;
}

.search-shell input {
  min-width: 0;
  flex: 1;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
}

kbd {
  padding: 2px 5px;
  border: 1px solid var(--hair-strong);
  border-bottom-width: 2px;
  border-radius: 4px;
  background: var(--paper);
  color: var(--ink-soft);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid var(--hair-strong);
  border-radius: var(--radius-sm);
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
  font-size: 12.5px;
  font-weight: 600;
}

.btn-primary {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--bg);
}

.btn-ghost {
  border-color: transparent;
  background: transparent;
  color: var(--muted);
}

.shell {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr) 360px;
  gap: var(--gap);
  max-width: 1440px;
  min-height: calc(100vh - 56px);
  margin: 0 auto;
  padding: var(--gap);
}

.sidebar,
.preview {
  position: sticky;
  top: 68px;
  align-self: start;
  max-height: calc(100vh - 80px);
  overflow: auto;
}

.sidebar {
  border-right: 1px solid var(--hair);
  padding: var(--pad);
}

.sidebar section + section {
  margin-top: 28px;
}

.sidebar h2,
.eyeline {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.quiet-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
}

.quiet-list a:hover {
  color: var(--accent);
}

.section-list {
  display: grid;
  gap: 6px;
}

.section-row {
  display: grid;
  grid-template-columns: 22px 1fr auto;
  gap: 8px;
  align-items: center;
  padding: 7px 0;
  border: 0;
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.section-row:hover {
  color: var(--accent);
}

.section-row.active {
  color: var(--accent);
  font-weight: 700;
}

.section-icon,
.tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid color-mix(in srgb, currentColor 22%, var(--hair));
  border-radius: 4px;
  background: var(--paper);
  color: var(--accent);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10.5px;
  font-weight: 700;
}

.section-icon {
  width: 20px;
  height: 20px;
  background: var(--accent-soft);
}

.section-count {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
}

.repo-card {
  padding: 14px;
  border: 1px solid var(--hair);
  border-radius: var(--radius-md);
  background: var(--paper);
}

.repo-card p {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.repo-link {
  display: inline-flex;
  margin-bottom: 10px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
}

.repo-link:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.repo-card code {
  display: block;
  overflow: auto;
  margin-top: 6px;
  padding: 7px 9px;
  border: 1px solid var(--hair);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--ink-soft);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
  white-space: nowrap;
}

.content {
  min-width: 0;
}

.hero,
.panel,
.preview-card {
  border: 1px solid var(--hair);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--paper) 94%, transparent);
  box-shadow: var(--shadow);
}

.hero,
.panel,
.preview {
  scroll-margin-top: 76px;
}

.hero {
  padding: clamp(32px, 5vw, 72px);
  min-height: 360px;
}

.hero h1 {
  max-width: 850px;
  margin: 0;
  font-size: clamp(40px, 7vw, 84px);
  letter-spacing: -.06em;
  line-height: .92;
}

.lede {
  max-width: 760px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(17px, 2vw, 22px);
  line-height: 1.45;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.panel {
  margin-top: var(--gap);
  padding: var(--pad);
}

.section-heading {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--hair);
  padding-bottom: 14px;
}

.section-heading h2 {
  margin: 0;
  font-size: 30px;
  letter-spacing: -.04em;
}

.section-heading p {
  max-width: 420px;
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.workflow-list,
.result-grid {
  display: grid;
  gap: 10px;
}

.workflow-card,
.result-card {
  width: 100%;
  padding: 14px;
  border: 1px solid var(--hair);
  border-radius: var(--radius-md);
  background: var(--paper);
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.workflow-card {
  display: grid;
  grid-template-columns: 38px 1fr auto;
  gap: 10px;
  align-items: start;
}

.workflow-card:hover,
.workflow-card.active,
.result-card:hover {
  border-color: var(--hair-strong);
  box-shadow: 0 4px 20px rgba(0, 0, 0, .06);
}

.workflow-number {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
}

.workflow-card h3,
.result-card h3,
.preview-card h2 {
  margin: 0;
  letter-spacing: -.02em;
}

.workflow-card p,
.result-card p,
.preview-card p {
  margin: 5px 0 0;
  color: var(--muted);
  line-height: 1.45;
}

.workflow-time {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
  white-space: nowrap;
}

.preview-card {
  padding: var(--pad);
}

.bundle-chain {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0;
}

.tag {
  min-height: 24px;
  padding: 0 8px;
  gap: 6px;
}

.tag-style {
  color: var(--accent);
}

.tag-skill {
  color: var(--skill);
}

.tag-template {
  color: var(--template);
}

.tag-pattern {
  color: var(--pattern);
}

.tag-rubric {
  color: var(--rubric);
}

.prompt-preview {
  overflow: auto;
  min-height: 220px;
  max-height: 360px;
  margin: 0;
  padding: 14px;
  border: 1px solid var(--hair);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--ink-soft);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  line-height: 1.55;
  white-space: pre-wrap;
}

.preview-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

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

.result-card {
  min-height: 136px;
}

.result-card.empty {
  cursor: default;
}

.result-card.empty:hover {
  border-color: var(--hair);
  box-shadow: none;
}

.result-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}

@media (max-width: 1280px) {
  .shell {
    grid-template-columns: 230px minmax(0, 1fr);
  }

  .preview {
    position: static;
    grid-column: 2;
    max-height: none;
  }
}

@media (max-width: 1120px) {
  .topbar {
    flex-wrap: wrap;
    padding: 12px;
  }

  .top-actions,
  .search-shell {
    width: 100%;
  }
}

@media (max-width: 780px) {
  .nav {
    display: none;
  }

  .topbar {
    gap: 10px;
  }

  .top-actions {
    flex-wrap: wrap;
  }

  .search-shell {
    min-width: 0;
    flex: 1 1 100%;
  }

  .top-actions .btn {
    flex: 1 1 0;
    min-width: 0;
  }

  .shell {
    display: flex;
    flex-direction: column;
    padding: 8px;
  }

  .content {
    order: 1;
  }

  .shell > * {
    width: 100%;
    min-width: 0;
  }

  .preview {
    order: 2;
  }

  .sidebar {
    order: 3;
  }

  .hero,
  .panel,
  .preview {
    scroll-margin-top: 150px;
  }

  .sidebar,
  .preview {
    position: static;
    max-height: none;
    border-right: 0;
  }

  .sidebar {
    padding: 12px;
  }

  .hero h1 {
    font-size: 44px;
  }

  .section-heading,
  .workflow-card {
    display: block;
  }

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

  .workflow-time {
    display: inline-block;
    margin-top: 8px;
  }
}