/* lazyshell documentation site — hand-written, no build step. */

:root {
  color-scheme: light dark;

  --bg: #fbfaf7;
  --bg-soft: #f2f0ea;
  --bg-code: #f5f3ee;
  --surface: #ffffff;
  --border: #ddd8cc;
  --border-strong: #c7c0b0;
  --text: #24211c;
  --text-soft: #5d574c;
  --text-faint: #8a8172;
  --accent: #1f7a3f;
  --accent-soft: #e4f2e7;
  --accent-text: #14572c;
  --warn: #9a5b00;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", sans-serif;
  --radius: 8px;
  --sidebar: 250px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --bg-soft: #1b1e23;
    --bg-code: #1c1f25;
    --surface: #191c21;
    --border: #2c313a;
    --border-strong: #3d434e;
    --text: #e6e3dd;
    --text-soft: #a8a49b;
    --text-faint: #7e7a72;
    --accent: #58c27d;
    --accent-soft: #17311f;
    --accent-text: #8fdca7;
    --warn: #d9a441;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 5rem; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

/* ---------- top bar ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.7rem 1.25rem;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.topbar .brand {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 1rem;
  color: var(--text);
  letter-spacing: -0.02em;
}
.topbar .brand:hover { text-decoration: none; color: var(--accent); }
.topbar .brand::before { content: "❯ "; color: var(--accent); }

.topbar .spacer { flex: 1; }

.topbar .toplinks {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-soft);
}
.topbar .toplinks a { color: var(--text-soft); }
.topbar .toplinks a:hover { color: var(--accent); }

.langswitch {
  font-family: var(--mono);
  font-size: 0.75rem;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 0.15rem 0.6rem;
  color: var(--text-soft);
}
.langswitch:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }

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

.shell {
  display: grid;
  grid-template-columns: var(--sidebar) minmax(0, 1fr);
  gap: 2.5rem;
  max-width: 1180px;
  margin: 0 auto;
  padding: 2rem 1.5rem 5rem;
}

.sidebar {
  position: sticky;
  top: 4.2rem;
  align-self: start;
  max-height: calc(100vh - 6rem);
  overflow-y: auto;
  font-size: 0.9rem;
}

.sidebar h2 {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--text-faint);
  margin: 1.4rem 0 0.5rem;
  font-weight: 600;
}
.sidebar h2:first-child { margin-top: 0; }

.sidebar ul { list-style: none; margin: 0; padding: 0; }
.sidebar li { margin: 0; }
.sidebar a {
  display: block;
  padding: 0.28rem 0.6rem;
  border-radius: 6px;
  color: var(--text-soft);
  border-left: 2px solid transparent;
}
.sidebar a:hover { background: var(--bg-soft); color: var(--text); text-decoration: none; }
.sidebar a.current {
  color: var(--accent-text);
  background: var(--accent-soft);
  border-left-color: var(--accent);
  font-weight: 500;
}

main { min-width: 0; }

/* ---------- typography ---------- */

h1 {
  font-size: 2rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 0.4rem;
}

.lede {
  font-size: 1.08rem;
  color: var(--text-soft);
  margin: 0 0 2rem;
  max-width: 62ch;
}

h2 {
  font-size: 1.3rem;
  letter-spacing: -0.01em;
  margin: 2.8rem 0 0.8rem;
  padding-top: 0.4rem;
  border-top: 1px solid var(--border);
}
h2:first-of-type { }

h3 {
  font-size: 1.02rem;
  margin: 1.8rem 0 0.5rem;
}

h4 {
  font-size: 0.92rem;
  margin: 1.4rem 0 0.4rem;
  color: var(--text-soft);
}

p { margin: 0 0 1rem; max-width: 72ch; }
ul, ol { max-width: 72ch; padding-left: 1.3rem; }
li { margin: 0.25rem 0; }

strong { font-weight: 600; }

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

code {
  font-family: var(--mono);
  font-size: 0.86em;
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.08em 0.34em;
  white-space: nowrap;
}

pre {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
  overflow-x: auto;
  font-size: 0.86rem;
  line-height: 1.55;
  margin: 0 0 1.2rem;
}
pre code {
  background: none;
  border: 0;
  padding: 0;
  font-size: 1em;
  white-space: pre;
}

.term {
  background: #10131a;
  border-color: #262c36;
  color: #d7dae0;
}
.term .p { color: #58c27d; }
.term .c { color: #7e8794; }

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

.tablewrap { overflow-x: auto; margin: 0 0 1.4rem; }

table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.88rem;
}
th, td {
  text-align: left;
  vertical-align: top;
  padding: 0.45rem 0.7rem;
  border-bottom: 1px solid var(--border);
}
th {
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-faint);
  border-bottom: 1px solid var(--border-strong);
  white-space: nowrap;
}
tbody tr:hover { background: var(--bg-soft); }
td code { white-space: nowrap; }
td:last-child { min-width: 18rem; }

kbd {
  font-family: var(--mono);
  font-size: 0.8rem;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-bottom-width: 2px;
  border-radius: 5px;
  padding: 0.05rem 0.4rem;
  white-space: nowrap;
  color: var(--text);
}

/* ---------- callouts ---------- */

.note, .warn {
  border-left: 3px solid var(--accent);
  background: var(--bg-soft);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 0.8rem 1rem;
  margin: 0 0 1.4rem;
  font-size: 0.92rem;
  max-width: 72ch;
}
.note p:last-child, .warn p:last-child { margin-bottom: 0; }
.warn { border-left-color: var(--warn); }

/* ---------- home ---------- */

.hero {
  padding: 1rem 0 0.5rem;
}
.hero h1 { font-size: 2.6rem; }
.hero .tagline {
  font-size: 1.15rem;
  color: var(--text-soft);
  max-width: 60ch;
  margin: 0.6rem 0 1.6rem;
}

.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2rem;
}
.btn {
  display: inline-block;
  padding: 0.5rem 1.1rem;
  border-radius: 6px;
  border: 1px solid var(--border-strong);
  font-size: 0.92rem;
  color: var(--text);
}
.btn:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }
.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.btn.primary:hover { color: #fff; filter: brightness(1.08); text-decoration: none; }

figure { margin: 0 0 2rem; }
figure img {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: block;
}
figcaption {
  font-size: 0.82rem;
  color: var(--text-faint);
  margin-top: 0.5rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin: 0 0 2rem;
}
.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 1rem 1.1rem;
}
.card h3 { margin: 0 0 0.35rem; font-size: 0.98rem; }
.card p { margin: 0; font-size: 0.9rem; color: var(--text-soft); }

/* ---------- language picker page ---------- */

.picker {
  max-width: 620px;
  margin: 0 auto;
  padding: 6rem 1.5rem;
  text-align: center;
}
.picker h1 { font-size: 2.4rem; }
.picker .choices {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
  flex-wrap: wrap;
}

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

footer.pagefoot {
  border-top: 1px solid var(--border);
  margin-top: 4rem;
  padding-top: 1.2rem;
  font-size: 0.85rem;
  color: var(--text-faint);
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.2rem;
}

/* ---------- config editor ---------- */

.cfg-tabs {
  display: flex;
  gap: 0.4rem;
  margin: 0 0 1.4rem;
  border-bottom: 1px solid var(--border);
}
.cfg-tab {
  font: inherit;
  font-size: 0.9rem;
  background: none;
  border: 0;
  border-bottom: 2px solid transparent;
  padding: 0.6rem 0.2rem;
  margin-bottom: -1px;
  color: var(--text-soft);
  cursor: pointer;
}
.cfg-tab:hover { color: var(--text); }
.cfg-tab.active { color: var(--accent-text); border-bottom-color: var(--accent); font-weight: 500; }

.cfg-columns {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 2rem;
  align-items: start;
}

.cfg-form {
  min-width: 0;
  max-height: 78vh;
  overflow-y: auto;
  padding-right: 0.5rem;
}

.cfg-group {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.9rem 1rem 0.2rem;
  margin: 0 0 1rem;
}
.cfg-group-legend {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-faint);
  padding: 0 0.3rem;
}

.cfg-field { margin: 0 0 1rem; }
.cfg-field-head { margin-bottom: 0.3rem; }
.cfg-field-head code { font-size: 0.82em; }

.cfg-field input[type="text"],
.cfg-field input[type="number"],
.cfg-field select {
  width: 100%;
  max-width: 32rem;
  font: inherit;
  font-size: 0.9rem;
  font-family: var(--mono);
  padding: 0.4rem 0.55rem;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
}
.cfg-field input[type="checkbox"] { width: 1.1rem; height: 1.1rem; }

.cfg-help {
  margin: 0.3rem 0 0;
  font-size: 0.82rem;
  color: var(--text-soft);
  max-width: 58ch;
}
.cfg-default {
  margin: 0.15rem 0 0;
  font-size: 0.78rem;
  color: var(--text-faint);
}

.cfg-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.8rem 0.9rem 0.2rem;
  margin: 0 0 0.7rem;
}
.cfg-item legend {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--text-soft);
  padding: 0 0.3rem;
}

.cfg-list-rows { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 0.5rem; }
.cfg-list-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.cfg-list-row > input,
.cfg-list-row > select { flex: 1; min-width: 0; }
.cfg-map-key {
  flex: 0 0 auto;
  padding: 0.3rem 0.5rem;
}
.cfg-map-add select { flex: 0 0 auto; max-width: 12rem; }

.cfg-add, .cfg-remove {
  flex: 0 0 auto;
  font-size: 0.8rem;
  padding: 0.3rem 0.6rem;
}

.cfg-yaml { min-width: 0; }
.cfg-yaml-actions { margin-bottom: 0.6rem; }
.cfg-yaml pre {
  max-height: 32vh;
  overflow: auto;
}
.cfg-yaml textarea {
  width: 100%;
  min-height: 9rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  resize: vertical;
}
.cfg-warnings {
  margin: 0.6rem 0;
  font-size: 0.82rem;
}
.cfg-warnings-title { margin: 0 0 0.2rem; color: var(--warn); font-weight: 500; }
.cfg-warnings ul { margin: 0; padding-left: 1.2rem; color: var(--text-soft); }

@media (max-width: 900px) {
  .cfg-columns { grid-template-columns: 1fr; }
  .cfg-form { max-height: none; }
}

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

@media (max-width: 900px) {
  .shell {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding-top: 1.25rem;
  }
  .sidebar {
    position: static;
    max-height: none;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.9rem 1rem;
    background: var(--surface);
  }
  .sidebar h2 { margin-top: 1rem; }
  .hero h1 { font-size: 2rem; }
  td:last-child { min-width: 0; }
}