/* Halarta documentation site — rudimentary static docs.
   No build step: plain CSS, opened directly or served from any static host. */

:root {
  --accent: #ff6a00;
  --accent-dim: #b34a00;
  --accent-soft: #fff1e6;
  --bg: #ffffff;
  --bg-alt: #f7f7f8;
  --sidebar-bg: #14110f;
  --sidebar-fg: #e9e4df;
  --sidebar-muted: #9a938c;
  --text: #1d1b19;
  --text-muted: #5f5953;
  --border: #e7e3df;
  --code-bg: #f3f0ed;
  --green: #1f9d55;
  --red: #d23c3c;
  --blue: #2563eb;
  --radius: 10px;
  --maxw: 860px;
  --sidebar-w: 290px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono",
    monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

/* ---------- Layout ---------- */

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: var(--sidebar-bg);
  color: var(--sidebar-fg);
  display: flex;
  flex-direction: column;
  z-index: 50;
  border-right: 1px solid #000;
}

.sidebar-head {
  padding: 22px 22px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #fff;
  text-decoration: none;
}

.brand .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(255, 106, 0, 0.18);
}

.brand-sub {
  margin: 6px 0 0;
  font-size: 12.5px;
  color: var(--sidebar-muted);
}

.nav-filter {
  margin: 12px 22px 6px;
}

.nav-filter input {
  width: 100%;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
  color: var(--sidebar-fg);
  font-size: 13.5px;
  outline: none;
}

.nav-filter input::placeholder { color: var(--sidebar-muted); }
.nav-filter input:focus { border-color: var(--accent); }

.nav {
  overflow-y: auto;
  padding: 8px 12px 40px;
  flex: 1;
}

.nav-group-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--sidebar-muted);
  margin: 18px 10px 6px;
  font-weight: 600;
}

.nav a {
  display: block;
  padding: 6px 10px;
  margin: 1px 0;
  border-radius: 7px;
  color: var(--sidebar-fg);
  text-decoration: none;
  font-size: 14px;
  border-left: 2px solid transparent;
}

.nav a:hover { background: rgba(255, 255, 255, 0.06); }

.nav a.active {
  background: rgba(255, 106, 0, 0.16);
  border-left-color: var(--accent);
  color: #fff;
}

.nav a.hidden { display: none; }

.content {
  margin-left: var(--sidebar-w);
  padding: 56px 48px 120px;
}

.content-inner { max-width: var(--maxw); margin: 0 auto; }

/* ---------- Typography ---------- */

section { scroll-margin-top: 24px; padding-top: 8px; }

h1 {
  font-size: 34px;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
}

h2 {
  font-size: 25px;
  letter-spacing: -0.01em;
  margin: 52px 0 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--border);
}

h3 { font-size: 19px; margin: 30px 0 8px; }
h4 { font-size: 16px; margin: 22px 0 6px; color: var(--text-muted); }

p { margin: 10px 0; }

a { color: var(--accent-dim); }

.lead {
  font-size: 18.5px;
  color: var(--text-muted);
  margin: 4px 0 18px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  margin: 0 0 6px;
}

ul, ol { margin: 10px 0; padding-left: 22px; }
li { margin: 5px 0; }

hr { border: none; border-top: 1px solid var(--border); margin: 40px 0; }

code {
  font-family: var(--mono);
  background: var(--code-bg);
  padding: 1.5px 6px;
  border-radius: 5px;
  font-size: 0.86em;
  color: #9a3b00;
}

kbd {
  font-family: var(--mono);
  background: #fff;
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 5px;
  padding: 1px 6px;
  font-size: 0.82em;
}

/* ---------- Tables ---------- */

.table-wrap { overflow-x: auto; margin: 16px 0; }

table {
  border-collapse: collapse;
  width: 100%;
  font-size: 14.5px;
}

th, td {
  text-align: left;
  padding: 9px 13px;
  border: 1px solid var(--border);
  vertical-align: top;
}

th { background: var(--bg-alt); font-weight: 600; }
tbody tr:nth-child(even) { background: #fbfaf9; }

/* ---------- Callouts ---------- */

.callout {
  border-radius: var(--radius);
  padding: 13px 16px;
  margin: 16px 0;
  font-size: 14.5px;
  border: 1px solid;
}

.callout p:first-child { margin-top: 0; }
.callout p:last-child { margin-bottom: 0; }

.callout .tag {
  font-weight: 700;
  text-transform: uppercase;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  margin-right: 6px;
}

.callout.note {
  background: #f0f6ff;
  border-color: #cfe0fb;
}
.callout.note .tag { color: var(--blue); }

.callout.tip {
  background: #eefcf3;
  border-color: #c7efd5;
}
.callout.tip .tag { color: var(--green); }

.callout.warn {
  background: #fff6ed;
  border-color: #ffd9b0;
}
.callout.warn .tag { color: var(--accent-dim); }

.callout.bug {
  background: #fdf0f0;
  border-color: #f6cccc;
}
.callout.bug .tag { color: var(--red); }

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

.pill {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  line-height: 1.7;
  white-space: nowrap;
}

.pill.live { background: #e3f6ea; color: var(--green); }
.pill.closed { background: #eceae8; color: #6b655f; }
.pill.code { background: var(--accent-soft); color: var(--accent-dim); font-family: var(--mono); font-weight: 500; }
.pill.globe { background: #eef4ff; color: #2b5fd0; }
.pill.people { background: #f2eefe; color: #6b3fd0; }

.icon-key { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }

/* ---------- Cards / grids ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin: 18px 0;
}

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  background: var(--bg-alt);
}

.card h4 { margin: 0 0 6px; color: var(--text); font-size: 15px; }
.card p { margin: 0; font-size: 14px; color: var(--text-muted); }

/* ---------- Misc ---------- */

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 24px;
  font-size: 13px;
  color: var(--text-muted);
}

.meta-row span {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 11px;
}

.anchor-link {
  opacity: 0;
  margin-left: 8px;
  text-decoration: none;
  color: var(--accent);
  font-weight: 400;
}
h2:hover .anchor-link, h3:hover .anchor-link { opacity: 1; }

.back-to-top {
  display: inline-block;
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: none;
}
.back-to-top:hover { color: var(--accent-dim); }

/* ---------- Mobile ---------- */

.menu-toggle {
  display: none;
  position: fixed;
  top: 14px;
  left: 14px;
  z-index: 60;
  background: var(--sidebar-bg);
  color: #fff;
  border: none;
  border-radius: 9px;
  width: 42px;
  height: 42px;
  font-size: 20px;
  cursor: pointer;
}

.scrim {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 40;
}

@media (max-width: 960px) {
  .menu-toggle { display: block; }
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.22s ease;
  }
  .sidebar.open { transform: translateX(0); }
  .scrim.open { display: block; }
  .content { margin-left: 0; padding: 70px 22px 100px; }
}