/* تیزرس demo — one handwritten stylesheet, self-hosted, no framework.
   Cached by both the browser and the edge (Cache-Control set by the origin
   in cmd/server/main.go, and by the demo zone's own cache.default_ttl). */

@font-face {
  font-family: "Vazirmatn";
  src: url("/assets/fonts/Vazirmatn-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Vazirmatn";
  src: url("/assets/fonts/Vazirmatn-Medium.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Vazirmatn";
  src: url("/assets/fonts/Vazirmatn-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Vazirmatn";
  src: url("/assets/fonts/Vazirmatn-Black.woff2") format("woff2");
  font-weight: 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #0f1420;
  --bg-panel: #161d2e;
  --bg-panel-2: #1c2540;
  --border: #2a3452;
  --text: #e8ecf7;
  --text-dim: #a2acc7;
  --text-faint: #6d7796;
  --accent: #5eead4;
  --accent-2: #7c9bff;
  --warn: #fbbf24;
  --bad: #fb7185;
  --good: #4ade80;
  --code-bg: #0b0f1a;
  --radius: 14px;
  --maxw: 1080px;
  --mono: ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --sans: "Vazirmatn", Tahoma, "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: radial-gradient(ellipse at top, #17203a 0%, var(--bg) 60%);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.75;
  font-size: 16px;
}

body[dir="rtl"] { text-align: right; }
body[dir="ltr"] { text-align: left; }

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

/* ── header / nav ─────────────────────────────────────────────────────── */

header.site {
  border-bottom: 1px solid var(--border);
  background: rgba(15, 20, 32, 0.85);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 20;
}
header.site .bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  gap: 16px;
  flex-wrap: wrap;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  font-size: 1.15rem;
  color: var(--text);
}
.brand .mark {
  width: 30px; height: 30px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  color: #0b0f1a;
  font-size: 0.95rem;
}
nav.main { display: flex; gap: 18px; flex-wrap: wrap; }
nav.main a { color: var(--text-dim); font-weight: 500; font-size: 0.95rem; }
nav.main a:hover, nav.main a.active { color: var(--accent); text-decoration: none; }

/* ── hero ─────────────────────────────────────────────────────────────── */

.hero {
  padding: 64px 0 40px;
}
.hero h1 {
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 900;
  margin: 0 0 14px;
  line-height: 1.3;
}
.hero .lede {
  color: var(--text-dim);
  font-size: 1.15rem;
  max-width: 62ch;
  margin: 0 0 28px;
}
.hero .badges { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 8px; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border);
  background: var(--bg-panel);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--text-dim);
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--text-faint); flex: none; }
.dot.good { background: var(--good); box-shadow: 0 0 8px var(--good); }
.dot.bad { background: var(--bad); box-shadow: 0 0 8px var(--bad); }
.dot.warn { background: var(--warn); box-shadow: 0 0 8px var(--warn); }

/* ── panels / cards ───────────────────────────────────────────────────── */

section { padding: 24px 0; }
.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
}
.panel + .panel { margin-top: 16px; }
.panel h2 {
  margin: 0 0 6px;
  font-size: 1.3rem;
  font-weight: 800;
}
.panel .sub { color: var(--text-faint); font-size: 0.92rem; margin: 0 0 18px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}
.stat {
  background: var(--bg-panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
}
.stat .label {
  color: var(--text-faint);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}
.stat .value {
  font-size: 1.4rem;
  font-weight: 800;
  font-family: var(--mono);
  word-break: break-word;
  direction: ltr;
  unicode-bidi: plaintext;
}
.stat .value.small { font-size: 1.02rem; font-weight: 600; }
.stat .hint { color: var(--text-dim); font-size: 0.82rem; margin-top: 6px; }

.pill {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  font-family: var(--mono);
  direction: ltr;
}
.pill.hit { background: rgba(74, 222, 128, 0.16); color: var(--good); }
.pill.miss { background: rgba(251, 191, 36, 0.16); color: var(--warn); }
.pill.bypass { background: rgba(124, 155, 255, 0.16); color: var(--accent-2); }
.pill.other { background: rgba(162, 172, 199, 0.16); color: var(--text-dim); }

/* ── edge probe table ─────────────────────────────────────────────────── */

table.edges, table.doc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  direction: ltr;
  text-align: left;
}
table.edges th, table.edges td,
table.doc-table th, table.doc-table td {
  border-bottom: 1px solid var(--border);
  padding: 10px 12px;
  vertical-align: top;
}
table.edges th, table.doc-table th {
  color: var(--text-faint);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 700;
}
table.edges td.site-zagros { border-inline-start: 3px solid var(--accent); }
table.edges td.site-damavand { border-inline-start: 3px solid var(--accent-2); }
table.edges tr:last-child td, table.doc-table tr:last-child td { border-bottom: none; }
.mono { font-family: var(--mono); direction: ltr; unicode-bidi: plaintext; }

/* ── buttons ──────────────────────────────────────────────────────────── */

button.action {
  font-family: var(--sans);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0b0f1a;
  border: none;
  font-weight: 800;
  padding: 10px 18px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 0.95rem;
}
button.action:hover { filter: brightness(1.08); }
button.action:disabled { opacity: 0.6; cursor: progress; }
button.ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--sans);
  padding: 9px 16px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 0.9rem;
}

/* ── docs pages ───────────────────────────────────────────────────────── */

.docs-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
  align-items: start;
}
@media (max-width: 780px) {
  .docs-layout { grid-template-columns: 1fr; }
}
.docs-nav {
  position: sticky;
  top: 78px;
  border-inline-start: 1px solid var(--border);
  padding-inline-start: 16px;
}
body[dir="rtl"] .docs-nav { border-inline-start: none; border-inline-end: 1px solid var(--border); padding-inline-start: 0; padding-inline-end: 16px; }
.docs-nav div { margin-bottom: 4px; }
.docs-nav a { display: block; padding: 6px 0; color: var(--text-dim); font-size: 0.92rem; }
.docs-nav a.active { color: var(--accent); font-weight: 700; }

.prose { direction: ltr; text-align: left; max-width: 74ch; }
.prose h1 { font-size: 1.9rem; font-weight: 900; margin-top: 0; }
.prose h2 { font-size: 1.35rem; font-weight: 800; margin-top: 2.2em; border-top: 1px solid var(--border); padding-top: 1em; }
.prose h3 { font-size: 1.08rem; font-weight: 700; margin-top: 1.6em; }
.prose p { color: var(--text-dim); }
.prose code {
  font-family: var(--mono);
  background: var(--code-bg);
  padding: 2px 6px;
  border-radius: 5px;
  font-size: 0.88em;
  color: var(--accent);
}
.prose pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
  overflow-x: auto;
  font-size: 0.85rem;
  line-height: 1.6;
}
.prose pre code { background: none; padding: 0; color: var(--text); }
.prose ul, .prose ol { color: var(--text-dim); }
.prose blockquote {
  border-inline-start: 3px solid var(--accent-2);
  margin: 1.4em 0;
  padding: 0.2em 1.2em;
  color: var(--text-dim);
  background: var(--bg-panel);
  border-radius: 0 8px 8px 0;
}
.prose table { border-collapse: collapse; width: 100%; margin: 1.4em 0; font-size: 0.92rem; }
.prose th, .prose td { border: 1px solid var(--border); padding: 8px 10px; text-align: left; }
.prose th { background: var(--bg-panel-2); color: var(--text); }
.prose td { color: var(--text-dim); }
.prose figure { margin: 1.6em 0; }
.prose figure img { width: 100%; border-radius: 10px; border: 1px solid var(--border); background: #fff; }
.prose figcaption { color: var(--text-faint); font-size: 0.85rem; margin-top: 8px; }

/* ── gallery ──────────────────────────────────────────────────────────── */

.gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; }
.gallery figure { margin: 0; background: #fff; border-radius: 12px; border: 1px solid var(--border); overflow: hidden; }
.gallery img { display: block; width: 100%; height: auto; }
.gallery figcaption { padding: 12px 14px; color: var(--text-dim); font-size: 0.88rem; direction: ltr; text-align: left; background: var(--bg-panel); }

/* ── footer ───────────────────────────────────────────────────────────── */

footer.site {
  border-top: 1px solid var(--border);
  margin-top: 60px;
  padding: 28px 0 50px;
  color: var(--text-faint);
  font-size: 0.85rem;
}
footer.site a { color: var(--text-dim); }

.small { font-size: 0.85rem; color: var(--text-faint); }
.mt-0 { margin-top: 0; }