/* Lyx docs — same tokens as the main site, reading-first layout. */

:root {
  --bg: #0b0b0f;
  --surface: #12121a;
  --surface-2: #171720;
  --line: #262632;
  --line-soft: #1d1d27;
  --text: #ececf1;
  --muted: #9a9aaf;
  --faint: #6c6c80;
  --accent: #8b5cf6;
  --accent-bright: #a78bfa;
  --accent-soft: rgba(139, 92, 246, 0.13);
  --ok: #34d399;
  --font-sans: "Segoe UI Variable Text", "Segoe UI", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-mono: ui-monospace, "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  --max: 1240px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background-color: var(--bg);
  background-image: radial-gradient(760px 420px at 88% -10%, rgba(139, 92, 246, 0.12), transparent 70%);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

h1,
h2,
h3 {
  letter-spacing: -0.035em;
  line-height: 1.1;
  margin: 0 0 0.55em;
  font-weight: 620;
}

h1 {
  font-size: clamp(2rem, 3.6vw, 2.9rem);
}

h2 {
  font-size: 1.3rem;
}

h3 {
  font-size: 1rem;
}

p {
  margin: 0 0 1em;
  color: var(--muted);
}

code {
  font-family: var(--font-mono);
  font-size: 0.84em;
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.18);
  border-radius: 5px;
  padding: 1px 5px;
  color: #d6c8ff;
  white-space: nowrap;
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

.top {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid var(--line-soft);
  background: rgba(11, 11, 15, 0.82);
  backdrop-filter: blur(14px);
}

.top-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  gap: 22px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: none;
}

.brand img {
  width: 26px;
  height: 26px;
}

.brand-word {
  font-size: 1.2rem;
  font-weight: 680;
  letter-spacing: -0.06em;
}

.brand-word span {
  color: var(--accent);
}

.brand-sub {
  color: var(--faint);
  border-left: 1px solid var(--line);
  padding-left: 9px;
  margin-left: 2px;
  font-size: 0.58rem;
}

.search {
  flex: 1 1 320px;
  max-width: 420px;
}

.search input {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.84rem;
  padding: 8px 15px;
  outline: none;
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

.search input::placeholder {
  color: var(--faint);
}

.search input:focus {
  border-color: rgba(139, 92, 246, 0.55);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.12);
}

.top-links {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.84rem;
  color: var(--muted);
}

.top-links a:hover {
  color: var(--text);
}

.top-cta {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 13px;
  color: var(--text);
}

.top-cta:hover {
  border-color: rgba(139, 92, 246, 0.5);
  background: var(--accent-soft);
}

/* ------------------------------------------------------------------ shell */

.shell {
  max-width: var(--max);
  margin: 0 auto;
  padding: 40px 24px 90px;
  display: grid;
  grid-template-columns: 236px minmax(0, 1fr);
  gap: 54px;
  align-items: start;
}

.side {
  position: sticky;
  top: 84px;
  display: grid;
  gap: 26px;
}

.side-group {
  display: grid;
  gap: 2px;
}

.side-label {
  color: var(--faint);
  font-size: 0.56rem;
  margin: 0 0 8px;
  padding-left: 10px;
}

.side-link {
  display: block;
  padding: 6px 10px;
  border-radius: 7px;
  color: var(--muted);
  font-size: 0.84rem;
  border-left: 2px solid transparent;
  transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.side-link:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.035);
}

.side-link.active {
  color: #ddd2ff;
  background: var(--accent-soft);
  border-left-color: var(--accent);
}

.side-link-sub {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--faint);
}

.content {
  min-width: 0;
  max-width: 820px;
}

.eyebrow {
  color: var(--accent-bright);
  font-size: 0.6rem;
  margin: 0 0 14px;
}

.summary {
  color: var(--muted);
  font-size: 1rem;
  max-width: 66ch;
  margin-bottom: 30px;
}

.section-title {
  margin-top: 46px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 1.15rem;
}

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

.home-search {
  margin: 0 0 14px;
}

.home-search form {
  display: flex;
  gap: 8px;
}

.home-search input {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 9px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
  padding: 11px 14px;
  outline: none;
}

.home-search input:focus {
  border-color: rgba(139, 92, 246, 0.55);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.12);
}

.home-search button {
  border: 1px solid transparent;
  border-radius: 9px;
  background: var(--accent);
  color: #fff;
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 560;
  padding: 0 20px;
  cursor: pointer;
}

.home-search button:hover {
  background: #9b70f8;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 10px;
}

.guide-card {
  border: 1px solid var(--line-soft);
  border-radius: 11px;
  padding: 18px;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.024), rgba(255, 255, 255, 0.006));
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.guide-card:hover {
  border-color: rgba(139, 92, 246, 0.4);
  transform: translateY(-2px);
}

.guide-slug {
  display: block;
  color: var(--faint);
  font-size: 0.54rem;
  margin-bottom: 10px;
}

.guide-card strong {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 5px;
  letter-spacing: -0.01em;
}

.guide-card p {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.55;
}

.note {
  font-size: 0.88rem;
}

.cat-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 14px;
}

.cat-pill {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 12px;
  color: var(--muted);
  font-size: 0.6rem;
}

.cat-pill:hover {
  color: var(--text);
  border-color: rgba(139, 92, 246, 0.45);
  background: var(--accent-soft);
}

.callout {
  margin-top: 34px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 9px;
  background: rgba(139, 92, 246, 0.045);
  padding: 16px 18px;
}

.callout strong {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 4px;
}

.callout p {
  margin: 0;
  font-size: 0.86rem;
}

.callout a {
  color: var(--accent-bright);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* --------------------------------------------------------------- commands */

.cmd-section {
  scroll-margin-top: 90px;
}

.cmd-list {
  display: grid;
  gap: 6px;
}

.cmd-row {
  display: flex;
  align-items: baseline;
  gap: 14px;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  padding: 11px 15px;
  background: rgba(255, 255, 255, 0.012);
  transition: border-color 0.16s ease, background 0.16s ease;
}

.cmd-row:hover {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.026);
}

.cmd-name {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-bright);
  flex: none;
  min-width: 108px;
}

.cmd-desc {
  color: var(--muted);
  font-size: 0.84rem;
  flex: 1;
}

.tag {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 1px 8px;
  font-size: 0.52rem;
  letter-spacing: 0.08em;
  color: var(--faint);
  flex: none;
}

.crumbs {
  color: var(--faint);
  font-size: 0.58rem;
  margin-bottom: 18px;
}

.crumbs a {
  color: var(--muted);
}

.crumbs a:hover {
  color: var(--text);
}

.cmd-title {
  font-family: var(--font-mono);
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  letter-spacing: -0.03em;
  color: var(--text);
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 26px;
}

.opts {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.opts th {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.54rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--faint);
  font-weight: 500;
  padding: 0 12px 9px;
  border-bottom: 1px solid var(--line);
}

.opts td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--muted);
  vertical-align: top;
}

.opts code {
  white-space: nowrap;
}

.sub {
  border-left: 2px solid var(--line);
  padding-left: 16px;
  margin-bottom: 18px;
}

.sub h3 {
  margin-bottom: 4px;
}

.sub p {
  font-size: 0.86rem;
  margin-bottom: 6px;
}

.sub-opts {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 0.83rem;
}

.sub-opts li {
  margin-bottom: 4px;
}

/* ----------------------------------------------------------------- guides */

.guide-section {
  margin-top: 34px;
}

.guide-section h2 {
  font-size: 1.14rem;
  margin-bottom: 10px;
}

.guide-section p {
  font-size: 0.94rem;
}

.guide-section ul {
  margin: 0 0 18px;
  padding-left: 20px;
  color: var(--muted);
  font-size: 0.92rem;
}

.guide-section li {
  margin-bottom: 7px;
}

.guide-section code {
  white-space: normal;
}

.pager {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 50px;
  padding-top: 22px;
  border-top: 1px solid var(--line-soft);
}

.pager-link {
  border: 1px solid var(--line-soft);
  border-radius: 9px;
  padding: 12px 16px;
  min-width: 180px;
  transition: border-color 0.16s ease;
}

.pager-link:hover {
  border-color: rgba(139, 92, 246, 0.45);
}

.pager-link .mono {
  display: block;
  color: var(--faint);
  font-size: 0.52rem;
  margin-bottom: 4px;
}

.pager-link strong {
  font-size: 0.86rem;
  font-weight: 550;
}

.pager-next {
  text-align: right;
  margin-left: auto;
}

/* ------------------------------------------------------------------ error */

.btn {
  display: inline-block;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 9px 18px;
  font-size: 0.86rem;
  color: var(--text);
  margin-top: 8px;
}

.btn:hover {
  border-color: rgba(139, 92, 246, 0.5);
  background: var(--accent-soft);
}

/* ------------------------------------------------------------------ foot */

.foot {
  border-top: 1px solid var(--line-soft);
  background: rgba(0, 0, 0, 0.25);
}

.foot-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 22px 24px;
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
  color: var(--faint);
  font-size: 0.76rem;
}

.foot-inner nav {
  display: flex;
  gap: 16px;
  margin-left: auto;
}

.foot-inner a:hover {
  color: var(--text);
}

.foot-inner .mono {
  font-size: 0.54rem;
  letter-spacing: 0.08em;
}

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

@media (max-width: 900px) {
  .shell {
    grid-template-columns: 1fr;
    gap: 26px;
    padding-top: 26px;
  }

  .side {
    position: static;
    border-bottom: 1px solid var(--line-soft);
    padding-bottom: 18px;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  }

  .top-links a:not(.top-cta) {
    display: none;
  }
}

@media (max-width: 640px) {
  .search {
    display: none;
  }

  .cmd-row {
    flex-wrap: wrap;
    gap: 4px 12px;
  }

  .cmd-name {
    min-width: 0;
  }

  .cmd-desc {
    flex-basis: 100%;
  }

  .foot-inner nav {
    margin-left: 0;
  }
}