/* OpenMirror — site stylesheet */

:root {
  --bg: #ffffff;
  --bg-soft: #f6f8fa;
  --bg-dark: #0b1014;
  --border: #d5dce3;
  --border-soft: #e7ecf1;
  --text: #1b1f24;
  --text-soft: #2f3742;
  --muted: #5c6672;
  --accent: #0f766e;
  --accent-bright: #2dd4bf;
  --accent-soft: #e6fffb;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, "Noto Sans", sans-serif;
  --radius: 10px;
  --wrap: 1100px;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.62;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

img, svg { max-width: 100%; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: #fff;
  color: var(--text);
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  z-index: 100;
}
.skip:focus { left: 12px; top: 12px; }

/* ---------- header ---------- */

.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(8px);
  position: sticky;
  top: 0;
  z-index: 50;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 650;
  letter-spacing: -0.012em;
}
.brand:hover { text-decoration: none; }
.brand img { width: 30px; height: 30px; display: block; }
.brand-name { font-size: 17px; }

.nav { display: flex; align-items: center; gap: 2px; }
.nav a {
  color: var(--muted);
  font-size: 14.5px;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: 7px;
  white-space: nowrap;
}
.nav a:hover { background: var(--bg-soft); color: var(--text); text-decoration: none; }
.nav a[aria-current="page"] { color: var(--text); background: var(--bg-soft); }

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  padding: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  color: var(--text);
}
.nav-toggle span {
  display: block;
  width: 16px;
  height: 1.6px;
  background: currentColor;
  box-shadow: 0 5px 0 currentColor, 0 -5px 0 currentColor;
}

/* ---------- hero ---------- */

.hero {
  background: var(--bg-dark);
  color: #e8eef4;
  padding: 76px 0 84px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(760px 380px at 12% -20%, rgba(45, 212, 191, 0.16), transparent 68%),
    linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: auto, 44px 44px, 44px 44px;
  pointer-events: none;
}
.hero .wrap { position: relative; }

.hero .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-bright);
  border: 1px solid rgba(45, 212, 191, 0.32);
  background: rgba(45, 212, 191, 0.08);
  padding: 5px 11px;
  border-radius: 999px;
  margin-bottom: 22px;
}

.hero h1 {
  font-size: clamp(30px, 4.6vw, 45px);
  line-height: 1.12;
  letter-spacing: -0.026em;
  font-weight: 700;
  margin: 0 0 16px;
  max-width: 780px;
}
.hero .lead {
  font-size: 17.5px;
  line-height: 1.6;
  color: #9db0c0;
  max-width: 660px;
  margin: 0 0 30px;
}
.hero .lead strong { color: #d6e4ef; font-weight: 600; }

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 18px;
  border-radius: 8px;
  font-size: 14.5px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.12s ease, background 0.15s ease;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }

.btn-primary { background: var(--accent-bright); color: #04211e; }
.btn-primary:hover { background: #5eead4; }

.btn-ghost { border-color: #2c353d; color: #dbe6ef; }
.btn-ghost:hover { background: #151d24; }

/* ---------- stats ---------- */

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  gap: 1px;
  margin-top: -40px;
  position: relative;
  z-index: 2;
  box-shadow: 0 10px 30px -18px rgba(11, 16, 20, 0.35);
}
.stat { background: #fff; padding: 20px 22px; }
.stat b {
  display: block;
  font-size: 24px;
  font-weight: 680;
  letter-spacing: -0.024em;
  line-height: 1.2;
}
.stat span { display: block; color: var(--muted); font-size: 13px; margin-top: 2px; }

/* ---------- sections ---------- */

.block { padding: 60px 0; }
.block.tight { padding: 40px 0; }
.block-soft { background: var(--bg-soft); border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft); }

.block-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 26px;
}
.block-head h2 { margin: 0; font-size: 22px; letter-spacing: -0.014em; font-weight: 660; }
.block-head p { margin: 6px 0 0; color: var(--muted); font-size: 14.5px; }
.block-head .more { font-size: 14px; font-weight: 550; white-space: nowrap; }

/* ---------- cards ---------- */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 14px;
}

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  padding: 16px 18px 17px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.card:hover { border-color: #b8c3ce; box-shadow: 0 6px 18px -14px rgba(11, 16, 20, 0.4); }
.card h3 { margin: 0 0 3px; font-size: 15.5px; font-weight: 620; letter-spacing: -0.008em; }
.card .meta { color: var(--muted); font-size: 13px; }
.card .row { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 12px; }

/* ---------- badges ---------- */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 999px;
  white-space: nowrap;
}
.badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex: none;
}
.badge.ok { color: #0d6b3d; background: #dcfbe6; }
.badge.sync { color: #8a5a00; background: #fff3cd; }
.badge.idle { color: #5c6672; background: #eaeef2; }

/* ---------- code ---------- */

pre {
  margin: 0;
  background: #0b1014;
  color: #d5e3ec;
  border-radius: var(--radius);
  padding: 16px 18px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 13.4px;
  line-height: 1.62;
  border: 1px solid #1b242c;
}
pre code { background: none; padding: 0; color: inherit; font-size: inherit; }
code {
  font-family: var(--mono);
  background: var(--bg-soft);
  border: 1px solid var(--border-soft);
  padding: 1.5px 5px;
  border-radius: 5px;
  font-size: 0.885em;
}

.code-block { position: relative; }
.code-block .copy {
  position: absolute;
  top: 10px;
  right: 10px;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  color: #93a6b5;
  background: #17212a;
  border: 1px solid #26333d;
  border-radius: 6px;
  padding: 4px 9px;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s ease;
}
.code-block:hover .copy,
.code-block .copy:focus { opacity: 1; }
.code-block .copy:hover { color: #e8eef4; }

/* ---------- tables ---------- */

.table-wrap {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
table { width: 100%; border-collapse: collapse; font-size: 14px; }
caption { text-align: left; padding: 0 0 10px; color: var(--muted); font-size: 13.5px; }
th, td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--border-soft); vertical-align: middle; }
th {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.045em;
  color: var(--muted);
  font-weight: 640;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: #fafbfc; }
td.mono, th.mono { font-family: var(--mono); font-size: 12.8px; }
td.num { font-variant-numeric: tabular-nums; }

/* ---------- page head ---------- */

.page-head { padding: 48px 0 4px; }
.page-head h1 {
  font-size: clamp(26px, 3.4vw, 32px);
  letter-spacing: -0.022em;
  margin: 0 0 10px;
  font-weight: 690;
}
.page-head p { margin: 0; color: var(--muted); font-size: 16px; max-width: 660px; }
.page-head .crumb { font-size: 13px; color: var(--muted); margin-bottom: 12px; }
.page-head .crumb a { color: var(--muted); }

/* ---------- prose ---------- */

.prose { max-width: 760px; }
.prose h2 {
  font-size: 20px;
  letter-spacing: -0.012em;
  margin: 40px 0 12px;
  font-weight: 660;
}
.prose h3 { font-size: 16.5px; margin: 28px 0 8px; font-weight: 640; }
.prose p, .prose li { color: var(--text-soft); }
.prose p { margin: 0 0 16px; }
.prose ul, .prose ol { margin: 0 0 16px; padding-left: 22px; }
.prose li { margin-bottom: 7px; }
.prose li::marker { color: var(--muted); }

.note {
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  border-radius: 0 8px 8px 0;
  padding: 14px 18px;
  margin: 20px 0;
  font-size: 14.5px;
  color: #0b4f4a;
}
.note strong { color: #083f3b; }

/* ---------- misc ---------- */

.kv { display: grid; grid-template-columns: 180px 1fr; gap: 10px 24px; font-size: 14.5px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }

.term {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
}
.term-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 9px 14px;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
  font-size: 12.5px;
  color: var(--muted);
  font-family: var(--mono);
}
.term-bar i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #d5dce3;
  display: block;
}
.term pre { border: none; border-radius: 0; }

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-soft);
  padding: 46px 0 30px;
  margin-top: 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.7fr repeat(3, 1fr);
  gap: 34px;
}
.site-footer h4 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.055em;
  color: var(--muted);
  margin: 0 0 12px;
  font-weight: 650;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 8px; }
.site-footer a { color: var(--muted); font-size: 14px; }
.site-footer a:hover { color: var(--text); }
.footer-about p { color: var(--muted); font-size: 14px; margin: 12px 0 0; max-width: 320px; }
.footer-brand { display: inline-flex; align-items: center; gap: 9px; font-weight: 650; color: var(--text); }
.footer-brand img { width: 26px; height: 26px; }

.footer-bottom {
  margin-top: 34px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 13px;
}
.footer-bottom .mono { font-family: var(--mono); font-size: 12.5px; }

/* ---------- 404 ---------- */

.notfound { padding: 96px 0 110px; text-align: center; }
.notfound .code {
  font-family: var(--mono);
  font-size: 68px;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--border);
  line-height: 1;
  background: none;
  border: none;
  padding: 0;
}
.notfound h1 { font-size: 24px; margin: 18px 0 8px; letter-spacing: -0.016em; }
.notfound p { color: var(--muted); margin: 0 0 24px; }

/* ---------- responsive ---------- */

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-about { grid-column: 1 / -1; }
  .kv { grid-template-columns: 1fr; gap: 4px 0; }
  .kv dt { margin-top: 10px; }
}

@media (max-width: 780px) {
  .nav-toggle { display: inline-flex; }
  .nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 64px;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 10px 16px 16px;
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 14px 24px -20px rgba(11, 16, 20, 0.6);
  }
  .nav.open { display: flex; }
  .nav a { padding: 10px 12px; }
  .site-header .wrap { position: relative; }

  .hero { padding: 56px 0 72px; }
  .stats { grid-template-columns: 1fr 1fr; }
  .block { padding: 44px 0; }
  .block-head { flex-direction: column; align-items: flex-start; gap: 8px; }
  .table-wrap { overflow-x: auto; }
  table { min-width: 620px; }
}

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