/* zoneboost docs site — shared styles */

:root {
  --bg: #ffffff;
  --bg-subtle: #f6f7f9;
  --bg-code: #f2f2f4;
  --border: #e3e5ea;
  --text: #1a1d23;
  --text-muted: #5b6270;
  --accent: #b45309;
  --accent-strong: #92400e;
  --accent-bg: #fff7ed;
  --accent2: #0d9488;
  --shadow: 0 1px 2px rgba(20, 20, 20, 0.06), 0 8px 24px rgba(20, 20, 20, 0.05);
  --radius: 10px;
  --header-h: 60px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --bg-subtle: #161920;
    --bg-code: #1a1d25;
    --border: #2a2e38;
    --text: #e7e9ec;
    --text-muted: #9aa1ac;
    --accent: #f59e0b;
    --accent-strong: #fbbf24;
    --accent-bg: rgba(245, 158, 11, 0.12);
    --accent2: #2dd4bf;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.35);
    color-scheme: dark;
  }
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

code, pre, .mono {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

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

h1, h2, h3, h4 { line-height: 1.25; font-weight: 650; letter-spacing: -0.01em; }
h2 { font-size: 1.65rem; margin-top: 2.5rem; }
h3 { font-size: 1.2rem; margin-top: 2rem; }

p { color: var(--text); }
.text-muted { color: var(--text-muted); }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: var(--bg);
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.wordmark {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
}
.wordmark:hover { text-decoration: none; }
.wordmark .mark {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  overflow: hidden;
  flex: none;
}
.wordmark .mark svg { display: block; width: 100%; height: 100%; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}
.main-nav a {
  color: var(--text-muted);
  font-size: 0.94rem;
  font-weight: 500;
}
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--text); text-decoration: none; }
.main-nav a[aria-current="page"] { color: var(--accent-strong); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 0.4rem 0.6rem;
  font-size: 1rem;
  cursor: pointer;
}

@media (max-width: 720px) {
  .nav-toggle { display: inline-flex; }
  .main-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 0.5rem 1.5rem 1rem;
    display: none;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 0.6rem 0; width: 100%; }
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1.1rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-strong); text-decoration: none; }
.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--accent); text-decoration: none; }

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

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
  padding: 4.5rem 0 3.5rem;
}
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; padding: 2.5rem 0 1rem; }
}

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-strong);
  background: var(--accent-bg);
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  margin: 0 0 1rem;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 2.85rem);
  margin: 0 0 1rem;
}

.lede {
  font-size: 1.08rem;
  color: var(--text-muted);
  max-width: 46ch;
}

.hero-actions {
  display: flex;
  gap: 0.75rem;
  margin: 1.75rem 0 1.25rem;
  flex-wrap: wrap;
}

.install-line {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.55rem 0.6rem 0.55rem 1rem;
}
.install-line code { font-size: 0.92rem; }

.hero-visual { display: flex; flex-direction: column; align-items: center; gap: 0.85rem; }
.hero-visual svg { width: 100%; max-width: 400px; height: auto; }
.hero-visual figcaption { color: var(--text-muted); font-size: 0.82rem; text-align: center; max-width: 32ch; margin: 0; }

.zbar-card { fill: var(--bg-subtle); stroke: var(--border); }
.zbar-boundary { stroke: var(--border); stroke-dasharray: 3 4; }
.zbar-axis { stroke: var(--text-muted); opacity: 0.6; }
.zbar-dot-a { fill: var(--accent); opacity: 0.85; }
.zbar-dot-b { fill: var(--accent2); opacity: 0.85; }
.zbar-avg { stroke: var(--accent-strong); stroke-width: 3; stroke-linecap: round; }

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

section { padding: 2.5rem 0; }

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
@media (max-width: 860px) { .features { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .features { grid-template-columns: 1fr; } }

.card {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem 1.4rem;
}
.card h3 { margin-top: 0; font-size: 1.05rem; }
.card p { color: var(--text-muted); font-size: 0.94rem; margin-bottom: 0; }

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
@media (max-width: 800px) { .two-col { grid-template-columns: 1fr; } }
.two-col h3 { margin-top: 0; }

.cta {
  text-align: center;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 3rem 1.5rem;
  margin: 2rem 0;
}
.cta h2 { margin-top: 0; }

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

pre {
  position: relative;
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  overflow-x: auto;
  font-size: 0.88rem;
}
pre code { background: none; padding: 0; }
:not(pre) > code {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 0.12em 0.4em;
  font-size: 0.9em;
}

.copy-btn {
  position: absolute;
  top: 0.55rem;
  right: 0.55rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.25rem 0.55rem;
  cursor: pointer;
  opacity: 0.85;
}
.copy-btn:hover { opacity: 1; border-color: var(--accent); color: var(--text); }
.install-line .copy-btn { position: static; }

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

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  margin: 1rem 0 1.5rem;
}
th, td {
  text-align: left;
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
th { color: var(--text-muted); font-weight: 600; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.03em; }
td code { white-space: nowrap; }

/* ---------- docs layout ---------- */

.docs-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 3rem;
  padding: 2.5rem 0 4rem;
  align-items: start;
}
@media (max-width: 860px) {
  .docs-layout { grid-template-columns: 1fr; }
}

.docs-sidebar {
  position: sticky;
  top: calc(var(--header-h) + 1.5rem);
  font-size: 0.9rem;
}
.docs-sidebar nav { display: flex; flex-direction: column; gap: 0.1rem; }
.docs-sidebar a {
  color: var(--text-muted);
  font-size: 0.88rem;
  padding: 0.38rem 0.6rem;
  border-radius: 6px;
}
.docs-sidebar a:hover { background: var(--bg-subtle); text-decoration: none; }
.docs-sidebar a[aria-current="page"] {
  color: var(--accent-strong);
  background: var(--accent-bg);
  font-weight: 600;
}
.docs-nav-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  padding: 0.35rem 0.6rem 0.3rem;
  margin-top: 0.75rem;
}
.docs-nav-label:first-child { margin-top: 0; }

/* ---------- docs search ---------- */

.docs-search {
  position: relative;
  margin-bottom: 1rem;
}
.docs-search input {
  width: 100%;
  padding: 0.5rem 0.7rem;
  font-size: 0.85rem;
  color: var(--text);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 7px;
  outline: none;
}
.docs-search input:focus { border-color: var(--accent); }
.docs-search input::placeholder { color: var(--text-muted); }

.search-results {
  position: absolute;
  top: calc(100% + 0.4rem);
  left: 0;
  right: 0;
  z-index: 40;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
  max-height: 320px;
  overflow-y: auto;
  display: none;
}
.search-results.open { display: block; }
.search-results a {
  display: block;
  padding: 0.5rem 0.7rem;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
.search-results a:last-child { border-bottom: none; }
.search-results a:hover, .search-results a.active { background: var(--bg-subtle); text-decoration: none; }
.search-results .result-title { font-size: 0.85rem; font-weight: 600; }
.search-results .result-crumb { font-size: 0.74rem; color: var(--text-muted); }
.search-results .no-results { padding: 0.7rem; font-size: 0.82rem; color: var(--text-muted); }

.sidebar-toggle {
  display: none;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  margin-bottom: 1rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem 0.85rem;
  color: var(--text);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
}
@media (max-width: 860px) {
  .sidebar-toggle { display: flex; }
  .docs-sidebar { display: none; position: static; }
  .docs-sidebar.open { display: block; margin-bottom: 1.5rem; }
}

.docs-content { min-width: 0; font-size: 0.96rem; }
.docs-content > *:first-child { margin-top: 0; }
.docs-content h1 { font-size: 1.7rem; margin: 0 0 0.35rem; }
.docs-content .subtitle { color: var(--text-muted); font-size: 1rem; margin: 0 0 1.5rem; }
.docs-content h2 {
  font-size: 1.32rem;
  margin: 2.2rem 0 0.75rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border);
}
.docs-content h3 { font-size: 1.02rem; margin: 1.6rem 0 0.5rem; }
.docs-content p, .docs-content li { font-size: 0.93rem; }
.docs-content table { font-size: 0.86rem; }
.docs-content pre { font-size: 0.84rem; }

.docs-figure {
  margin: 1.5rem 0 2rem;
  padding: 0.75rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.docs-figure img { display: block; width: 100%; height: auto; border-radius: 6px; }
.docs-figure figcaption {
  color: var(--text-muted);
  font-size: 0.82rem;
  text-align: center;
  margin: 0.65rem 0 0.15rem;
}

.note {
  border-left: 3px solid var(--accent);
  background: var(--accent-bg);
  padding: 0.85rem 1.1rem;
  border-radius: 0 8px 8px 0;
  font-size: 0.94rem;
  margin: 1.25rem 0;
}

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

.site-footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
  margin-top: 3rem;
}
.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  align-items: center;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: 0.88rem;
}
.site-footer a { color: var(--text-muted); }
.footer-links { display: flex; gap: 1.25rem; flex-wrap: wrap; }