:root {
  color-scheme: dark;
  --background: #141414;
  --surface: #1b1b1b;
  --surface-hover: #212121;
  --text: #eeeeee;
  --muted: #a2a2a2;
  --subtle: #848484;
  --border: #333333;
  --accent: #09caf5;
  --radius: 12px;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--background); color: var(--text); }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { cursor: pointer; }
button, a, input { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
::selection { color: var(--text); background: #165e6f; }

.page-shell { display: flex; flex-direction: column; width: min(1120px, calc(100% - 80px)); min-height: 100svh; margin: 0 auto; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 104px; border-bottom: 1px solid var(--border); }
.brand { display: inline-flex; align-items: center; gap: 12px; font-size: 21px; font-weight: 650; letter-spacing: -.6px; }
.brand img { border-radius: 9px; }
.brand-suffix { color: var(--muted); font-weight: 400; }
.canvas-link { display: inline-flex; align-items: center; gap: 18px; padding: 10px 15px; border: 1px solid var(--border); border-radius: 8px; font-size: 13px; transition: border-color .16s, background .16s; }
.canvas-link:hover { background: var(--surface-hover); border-color: var(--subtle); }
.canvas-link > span[aria-hidden] { color: var(--accent); font-size: 18px; line-height: 1; }
main { flex: 1; padding-bottom: 64px; }
.intro { padding: 76px 0 64px; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin: 0 0 24px; color: var(--muted); font-size: 11px; font-weight: 500; letter-spacing: 2.2px; }
.eyebrow > span { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
h1 { margin: 0; font-size: clamp(36px, 4.2vw, 54px); line-height: 1.32; font-weight: 620; letter-spacing: -1.5px; }
.accent { color: var(--accent); }
.intro-copy { margin: 22px 0 0; color: var(--muted); font-size: 15px; line-height: 1.8; }
.directory-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 44px; margin-bottom: 18px; }
.directory-heading { display: flex; align-items: center; gap: 13px; }
h2 { margin: 0; font-size: 16px; font-weight: 550; }
.site-count { color: var(--subtle); font-size: 12px; }
.search-wrap { display: flex; align-items: center; gap: 10px; width: 244px; padding: 0 12px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); color: var(--muted); }
.search-wrap:focus-within { border-color: var(--accent); outline: 2px solid var(--accent); outline-offset: 3px; }
.search-wrap svg { flex-shrink: 0; }
.search-wrap input { min-width: 0; width: 100%; height: 40px; border: 0; background: transparent; color: var(--text); font-size: 13px; outline: none; }
.search-wrap input::placeholder { color: var(--subtle); }
.search-wrap input::-webkit-search-cancel-button { cursor: pointer; }
.empty-state { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 250px; padding: 42px 24px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); text-align: center; }
.empty-icon { display: grid; place-items: center; width: 58px; height: 58px; margin-bottom: 20px; border: 1px solid var(--border); border-radius: 16px; color: var(--accent); }
.empty-state h3 { margin: 0; font-size: 16px; font-weight: 500; }
.empty-state p { margin: 10px 0 0; color: var(--muted); font-size: 13px; line-height: 1.8; }
.text-button { margin-top: 18px; padding: 7px 12px; border: 1px solid var(--border); border-radius: 7px; background: transparent; color: var(--accent); font-size: 13px; }
.text-button:hover { background: var(--surface-hover); border-color: var(--subtle); }
.link-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin: 0; padding: 0; list-style: none; }
.link-card { display: flex; flex-direction: column; height: 100%; min-height: 192px; padding: 24px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); transition: background .16s, border-color .16s; }
.link-card:hover { border-color: var(--accent); background: var(--surface-hover); }
.card-top { display: flex; align-items: center; gap: 12px; }
.card-initial { display: grid; place-items: center; flex: 0 0 36px; width: 36px; height: 36px; border: 1px solid var(--border); border-radius: 10px; background: var(--background); color: var(--accent); font-size: 16px; font-weight: 600; }
.link-card h3 { min-width: 0; margin: 0; font-size: 16px; font-weight: 550; line-height: 1.5; overflow-wrap: anywhere; }
.card-arrow { margin-left: auto; padding-left: 4px; color: var(--muted); font-size: 20px; }
.card-description { margin: 17px 0 22px; color: var(--muted); font-size: 13px; line-height: 1.8; overflow-wrap: anywhere; }
.affiliate-label { align-self: flex-start; padding: 4px 8px; border: 1px solid var(--border); border-radius: 6px; color: var(--accent); font-size: 11px; }
.card-domain { margin-top: auto; padding-top: 16px; color: var(--subtle); font-size: 11px; letter-spacing: .25px; overflow-wrap: anywhere; }
.card-description + .card-domain { padding-top: 0; }
.link-note { margin: 20px 0 0; color: var(--subtle); font-size: 12px; line-height: 1.8; }
.site-footer { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 80px; border-top: 1px solid var(--border); color: var(--subtle); font-size: 12px; letter-spacing: .3px; }
.skip-link { position: fixed; top: 12px; left: 16px; z-index: 10; padding: 10px 16px; border-radius: 6px; background: var(--accent); color: var(--background); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

@media (max-width: 900px) {
  .link-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 600px) {
  .page-shell { width: calc(100% - 40px); }
  .site-header { min-height: 84px; gap: 12px; }
  .brand { gap: 9px; font-size: 19px; }
  .brand img { width: 30px; height: 30px; }
  .canvas-link { gap: 10px; padding: 9px 11px; font-size: 12px; }
  main { padding-bottom: 44px; }
  .intro { padding: 52px 0 42px; }
  .eyebrow { margin-bottom: 20px; font-size: 10px; }
  h1 { font-size: 36px; letter-spacing: -1px; }
  .intro-copy { font-size: 14px; margin-top: 18px; }
  .directory-toolbar { flex-wrap: wrap; gap: 14px; margin-bottom: 14px; }
  .search-wrap { width: 100%; }
  .empty-state { min-height: 236px; }
  .link-grid { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .link-card { min-height: 170px; padding: 22px; }
  .site-footer { min-height: 72px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; }
}