/* Zoijs docs — plain CSS, light + dark themes, responsive. No framework. */

:root,
:root[data-theme="light"] {
  color-scheme: light;
  --blue: #2563eb;
  --blue-d: #1d4ed8;
  --indigo: #4f46e5;
  --orange: #f59e0b;
  --ink: #0b1b34;
  --text: #1f2937;
  --muted: #6b7280;
  --line: #e5e7eb;
  --line-strong: #cbd5e1;
  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --topbar-bg: rgba(255, 255, 255, 0.85);
  --bg-code: #0e1726;
  --code-text: #e2e8f0;
  --code-muted: #64748b;
  --code-border: transparent;
  --code-inline-bg: #f1f5f9;
  --code-inline-text: #0f172a;
  --active-bg: #eef2ff;
  --callout-bg: #f5f8ff;
  --callout-border: #dbe4ff;
  --callout-warn-bg: #fffbeb;
  --callout-warn-border: #fde68a;
  --scrim: rgba(0, 0, 0, 0.3);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --blue: #7aa2ff;
  --blue-d: #a5c0ff;
  --indigo: #8b86f0;
  --orange: #fbbf24;
  --ink: #f1f5f9;
  --text: #c7d2e1;
  --muted: #93a1b5;
  --line: #233047;
  --line-strong: #344056;
  --bg: #0b1220;
  --bg-soft: #111a2b;
  --topbar-bg: rgba(11, 18, 32, 0.85);
  --bg-code: #0d1524;
  --code-text: #e2e8f0;
  --code-muted: #7b8aa0;
  --code-border: #22304a;
  --code-inline-bg: rgba(148, 163, 184, 0.16);
  --code-inline-text: #e2e8f0;
  --active-bg: rgba(122, 162, 255, 0.16);
  --callout-bg: #13203b;
  --callout-border: #27395f;
  --callout-warn-bg: #2a2410;
  --callout-warn-border: #4d4317;
  --scrim: rgba(0, 0, 0, 0.55);
}

:root {
  --radius: 10px;
  --maxw: 1180px;
  --sidebar: 248px;
  --topbar-h: 60px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", "JetBrains Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.2s ease, color 0.2s ease;
}

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

.skip {
  position: absolute;
  left: -999px;
}
.skip:focus {
  left: 1rem;
  top: 0.5rem;
  z-index: 100;
  background: var(--bg);
  color: var(--text);
  padding: 0.5rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 8px;
}

/* ---- top bar ---- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  height: var(--topbar-h);
  background: var(--topbar-bg);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  max-width: var(--maxw);
  height: 100%;
  margin: 0 auto;
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.brand { display: flex; align-items: center; gap: 0.55rem; font-weight: 700; color: var(--ink); font-size: 1.15rem; letter-spacing: -0.02em; }
.brand:hover { text-decoration: none; }
.brand svg { display: block; }
.topnav { margin-left: auto; display: flex; align-items: center; gap: 1.2rem; font-weight: 500; font-size: 0.95rem; }
.topnav a { color: var(--text); }
.topnav a[aria-current="page"] { color: var(--blue); }
.menu-btn {
  display: none;
  font-size: 1.4rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--ink);
  padding: 0.2rem 0.4rem;
  line-height: 1;
}
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  padding: 0;
  background: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  cursor: pointer;
}
.theme-toggle:hover { background: var(--bg-soft); border-color: var(--line-strong); }

/* ---- layout ---- */
.layout {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: var(--sidebar) minmax(0, 1fr);
  gap: 2.5rem;
  padding: 0 1.25rem;
  align-items: start;
}

.sidebar {
  position: sticky;
  top: var(--topbar-h);
  align-self: start;
  height: calc(100vh - var(--topbar-h));
  overflow-y: auto;
  padding: 1.75rem 0.5rem 2rem;
}
.docnav .navgroup { margin-bottom: 1.4rem; }
.docnav h6 {
  margin: 0 0 0.5rem;
  padding: 0 0.6rem;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.docnav ul { list-style: none; margin: 0; padding: 0; }
.docnav li { margin: 0; }
.docnav li a {
  display: block;
  padding: 0.34rem 0.6rem;
  border-radius: 8px;
  color: var(--text);
  font-size: 0.93rem;
}
.docnav li a:hover { background: var(--bg-soft); text-decoration: none; }
.docnav li a[aria-current="page"] {
  background: var(--active-bg);
  color: var(--blue-d);
  font-weight: 600;
}

/* ---- content ---- */
.content {
  min-width: 0;
  padding: 2.25rem 0 4rem;
}
.prose { max-width: 760px; }
.prose h1 { font-size: 2.1rem; line-height: 1.15; letter-spacing: -0.02em; color: var(--ink); margin: 0 0 0.5rem; }
.prose h2 { font-size: 1.4rem; letter-spacing: -0.01em; color: var(--ink); margin: 2.4rem 0 0.8rem; padding-top: 0.4rem; }
.prose h3 { font-size: 1.1rem; color: var(--ink); margin: 1.8rem 0 0.6rem; }
.prose p { margin: 0.9rem 0; }
.prose ul, .prose ol { margin: 0.9rem 0; padding-left: 1.3rem; }
.prose li { margin: 0.3rem 0; }
.lead { font-size: 1.15rem; color: var(--muted); margin: 0.4rem 0 1.4rem; }

code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--code-inline-bg);
  color: var(--code-inline-text);
  padding: 0.12em 0.4em;
  border-radius: 5px;
}
pre.code {
  background: var(--bg-code);
  color: var(--code-text);
  border: 1px solid var(--code-border);
  padding: 1rem 1.1rem;
  border-radius: var(--radius);
  overflow-x: auto;
  font-size: 0.86rem;
  line-height: 1.55;
  margin: 1.1rem 0;
}
pre.code code { background: none; color: inherit; padding: 0; font-size: inherit; }

.callout {
  border: 1px solid var(--callout-border);
  background: var(--callout-bg);
  border-left: 3px solid var(--blue);
  border-radius: 8px;
  padding: 0.85rem 1rem;
  margin: 1.2rem 0;
  font-size: 0.95rem;
}
.callout.warn { border-color: var(--callout-warn-border); background: var(--callout-warn-bg); border-left-color: var(--orange); }

table.api { width: 100%; border-collapse: collapse; margin: 1.1rem 0; font-size: 0.93rem; }
table.api th, table.api td { text-align: left; padding: 0.55rem 0.7rem; border-bottom: 1px solid var(--line); vertical-align: top; }
table.api th { color: var(--muted); font-weight: 600; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.04em; }
table.api td code { white-space: nowrap; }

.btn {
  display: inline-block;
  padding: 0.6rem 1.15rem;
  border-radius: 9px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: #2563eb; color: #fff; }
.btn-primary:hover { background: #1d4ed8; }
.btn-ghost { background: var(--bg); color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--line-strong); }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.7rem; margin: 1.4rem 0; }

.pager { display: flex; justify-content: space-between; gap: 1rem; margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--line); font-size: 0.95rem; }

/* ---- home ---- */
.hero { max-width: 820px; padding: 1.5rem 0 0.5rem; }
.hero .eyebrow { color: var(--blue); font-weight: 600; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.07em; }
.hero h1 { font-size: 2.8rem; line-height: 1.08; letter-spacing: -0.03em; color: var(--ink); margin: 0.6rem 0; }
.hero .lead { font-size: 1.25rem; max-width: 640px; }
.install {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--bg-code);
  color: var(--code-text);
  border: 1px solid var(--code-border);
  font-family: var(--mono);
  font-size: 0.92rem;
  padding: 0.6rem 0.95rem;
  border-radius: 9px;
  margin: 0.4rem 0 0.2rem;
}
.install .dollar { color: var(--code-muted); }

.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; margin: 2.5rem 0; }
.feature { border: 1px solid var(--line); border-radius: var(--radius); padding: 1.1rem 1.2rem; background: var(--bg-soft); }
.feature h3 { margin: 0 0 0.3rem; font-size: 1.02rem; color: var(--ink); }
.feature p { margin: 0; font-size: 0.92rem; color: var(--muted); }

.eco { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 0.9rem; margin: 1.4rem 0; }
.eco-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.1rem; }
.eco-card h3 { margin: 0 0 0.2rem; font-size: 1rem; }
.eco-card h3 code { font-size: 0.95em; background: none; padding: 0; color: var(--ink); }
.eco-card p { margin: 0; font-size: 0.9rem; color: var(--muted); }

.section-soft { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 14px; padding: 1.6rem 1.7rem; margin: 2rem 0; }

/* ---- footer ---- */
.footer { border-top: 1px solid var(--line); background: var(--bg-soft); margin-top: 2rem; }
.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 2rem 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  align-items: center;
  font-size: 0.92rem;
  color: var(--muted);
}
.footer-inner a { color: var(--text); }
.footer .spacer { margin-left: auto; }

/* ---- responsive ---- */
.scrim { display: none; }
@media (max-width: 860px) {
  .menu-btn { display: block; }
  .topnav { gap: 0.9rem; }
  .layout { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed;
    top: var(--topbar-h);
    left: 0;
    width: 280px;
    max-width: 84vw;
    height: calc(100vh - var(--topbar-h));
    background: var(--bg);
    border-right: 1px solid var(--line);
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    z-index: 40;
    padding: 1.25rem 0.9rem 2rem;
  }
  .sidebar.open { transform: translateX(0); box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25); }
  .scrim.show { display: block; position: fixed; inset: var(--topbar-h) 0 0 0; background: var(--scrim); z-index: 35; }
  .content { padding-top: 1.5rem; }
  .hero h1 { font-size: 2.1rem; }
}

@media (max-width: 520px) {
  .topnav .hide-sm { display: none; }
}