/* boringterminal.com — compact, grayscale, one narrow column. Mono is for
   code; everything else is set in the system sans. */

:root {
  --bg: #fcfcfc;
  --bg-raised: #f4f4f4;
  --bg-code: #f5f5f5;
  --fg: #1a1a1a;
  --fg-muted: #6d6d6d;
  --border: #e4e4e4;
  --border-strong: #c9c9c9;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  --col: 52rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e0e0e;
    --bg-raised: #171717;
    --bg-code: #151515;
    --fg: #e6e6e6;
    --fg-muted: #949494;
    --border: #242424;
    --border-strong: #3c3c3c;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 14px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-underline-offset: 2px; text-decoration-color: var(--border-strong); }
a:hover { text-decoration-color: currentColor; }

img { max-width: 100%; }

::selection { background: var(--fg); color: var(--bg); }

code, pre, kbd { font-family: var(--mono); }

/* The shared centered column. */
.col { width: min(var(--col), 100% - 2rem); margin-inline: auto; }

.row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }

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

.top {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
}

.top .row { padding: 0.55rem 0; }

.brand {
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.top nav { display: flex; align-items: center; gap: 1rem; font-size: 0.82rem; }

.top nav a { text-decoration: none; color: var(--fg-muted); }
.top nav a:hover, .top nav a[aria-current] { color: var(--fg); }

.top nav a.dl {
  color: var(--bg);
  background: var(--fg);
  padding: 0.2rem 0.65rem;
  border-radius: 4px;
}
.top nav a.dl:hover { opacity: 0.85; }

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

.bottom {
  border-top: 1px solid var(--border);
  margin-top: 3.5rem;
  color: var(--fg-muted);
  font-size: 0.76rem;
}

.bottom .row { padding: 1rem 0; flex-wrap: wrap; gap: 0.5rem; }

.bottom a { color: inherit; }

/* --------------------------------------------------------------- landing */

.landing-col { --col: 40rem; }

.hero { padding: 3rem 0 0; }

.hero .mark { display: block; }

.hero h1 {
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  margin: 1rem 0 0.4rem;
}

.hero .tagline {
  color: var(--fg-muted);
  margin: 0 0 1.4rem;
  max-width: 34rem;
}

.hero .actions { display: flex; gap: 0.6rem; flex-wrap: wrap; margin: 0; }

.button {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  border-radius: 5px;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  border: 1px solid var(--fg);
}
.button.primary { background: var(--fg); color: var(--bg); }
.button.primary:hover { opacity: 0.85; }
.button.ghost { border-color: var(--border-strong); }
.button.ghost:hover { border-color: var(--fg); }

.hero .fineprint { margin-top: 0.7rem; font-size: 0.76rem; color: var(--fg-muted); }

.shot { margin-top: 2.25rem; }

.shot img {
  display: block;
  width: 100%;
  border: 1px solid var(--border-strong);
  border-radius: 7px;
}

.landing-col section > h2 {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg-muted);
  margin: 0 0 0.25rem;
}

.features { margin-top: 2.75rem; }

.features dl {
  display: grid;
  grid-template-columns: minmax(10.5rem, max-content) 1fr;
  margin: 0;
}

.features dt { white-space: nowrap; }

.features dt, .features dd {
  margin: 0;
  padding: 0.55rem 0;
  border-top: 1px solid var(--border);
}

.features dt { font-weight: 600; font-size: 0.85rem; padding-right: 1rem; }
.features dd { color: var(--fg-muted); font-size: 0.85rem; }

.creed { margin-top: 2.75rem; }

.creed blockquote {
  margin: 0;
  padding-left: 0.9rem;
  border-left: 2px solid var(--border-strong);
  font-size: 0.98rem;
}

.creed .attribution { margin-top: 0.5rem; color: var(--fg-muted); font-size: 0.82rem; }

/* ----------------------------------------------------------------- modal */

#download-modal {
  width: min(26rem, calc(100% - 2rem));
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 1.1rem 1.25rem 1.25rem;
  font-size: 0.85rem;
}

#download-modal::backdrop { background: rgba(0, 0, 0, 0.45); }

#download-modal .modal-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

#download-modal h2 { font-size: 1rem; margin: 0; }
#download-modal h3 { font-size: 0.85rem; margin: 1.1rem 0 0.3rem; }

#download-modal .modal-close {
  font: inherit;
  font-size: 1.1rem;
  line-height: 1;
  color: var(--fg-muted);
  background: none;
  border: 0;
  padding: 0.1rem 0.3rem;
  cursor: pointer;
}

#download-modal .modal-close:hover { color: var(--fg); }

#download-modal .muted { color: var(--fg-muted); }

#download-modal ul { margin: 0.5rem 0; padding-left: 1.2rem; }
#download-modal li { margin: 0.35rem 0; }

#download-modal pre {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 0.5rem 0.7rem;
  margin: 0.4rem 0 0;
  overflow-x: auto;
}

#download-modal code { font-size: 0.78rem; }

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

.docs {
  display: grid;
  grid-template-columns: 10.5rem minmax(0, 1fr);
  gap: 2.5rem;
}

.sidebar {
  padding: 1.4rem 0 2rem;
  position: sticky;
  top: 2.3rem;
  height: calc(100vh - 2.3rem);
  overflow-y: auto;
  font-size: 0.82rem;
}

.sidebar h2 {
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg-muted);
  margin: 1.2rem 0 0.3rem;
  font-weight: 600;
}

.sidebar section:first-child h2 { margin-top: 0; }

.sidebar ul { list-style: none; margin: 0; padding: 0; }

.sidebar a {
  display: block;
  text-decoration: none;
  color: var(--fg-muted);
  padding: 0.12rem 0;
}

.sidebar a:hover { color: var(--fg); }
.sidebar a[aria-current] { color: var(--fg); font-weight: 600; }

.sidebar-toggle { display: none; }

.docs main { padding: 1.4rem 0 2rem; min-width: 0; }

.page-tools {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 0.8rem;
  font-size: 0.74rem;
  color: var(--fg-muted);
}

.page-tools a { color: inherit; }

.copy-md, .copy-code {
  font: inherit;
  font-family: var(--sans);
  color: inherit;
  background: none;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.1rem 0.5rem;
  cursor: pointer;
}

.copy-md:hover, .copy-code:hover, .copy-md.done, .copy-code.done {
  color: var(--fg);
  border-color: var(--border-strong);
}

article h1 {
  font-size: 1.35rem;
  letter-spacing: -0.015em;
  margin: 0.3rem 0 0.8rem;
}

article h2 { font-size: 1rem; margin: 1.8rem 0 0.4rem; }
article h3 { font-size: 0.9rem; margin: 1.4rem 0 0.35rem; }

article h2 .anchor, article h3 .anchor {
  float: left;
  margin-left: -1.1rem;
  padding-right: 0.35rem;
  text-decoration: none;
  color: var(--fg-muted);
  opacity: 0;
}

article h2:hover .anchor, article h3:hover .anchor { opacity: 1; }

article p { margin: 0.6rem 0; }
article ul, article ol { margin: 0.6rem 0; padding-left: 1.3rem; }
article li { margin: 0.2rem 0; }

article code {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.05em 0.3em;
  font-size: 0.82em;
}

.codeblock { position: relative; }

.codeblock .copy-code {
  position: absolute;
  top: 0.4rem;
  right: 0.4rem;
  background: var(--bg-code);
  font-size: 0.7rem;
  opacity: 0;
}

.codeblock:hover .copy-code,
.codeblock .copy-code:focus-visible { opacity: 1; }

article pre {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.7rem 0.9rem;
  overflow-x: auto;
  line-height: 1.5;
  margin: 0.8rem 0;
}

article pre code { background: none; border: 0; padding: 0; font-size: 0.78rem; }

article table {
  border-collapse: collapse;
  font-size: 0.82rem;
  display: block;
  overflow-x: auto;
  margin: 0.8rem 0;
}

article th, article td {
  border: 1px solid var(--border);
  padding: 0.3rem 0.6rem;
  text-align: left;
}

article th { background: var(--bg-raised); }

article blockquote {
  margin: 0.8rem 0;
  padding: 0.05rem 0.9rem;
  border-left: 2px solid var(--border-strong);
  color: var(--fg-muted);
}

article kbd {
  background: var(--bg-raised);
  border: 1px solid var(--border-strong);
  border-bottom-width: 2px;
  border-radius: 4px;
  padding: 0.02em 0.35em;
  font-size: 0.82em;
}

article hr { border: 0; border-top: 1px solid var(--border); margin: 1.8rem 0; }

.pager {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2.5rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
}

.pager a { text-decoration: none; max-width: 48%; }
.pager a:hover span { text-decoration: underline; }
.pager small { display: block; color: var(--fg-muted); font-size: 0.7rem; }
.pager .next { text-align: right; margin-left: auto; }

.docs .bottom { margin-top: 2.5rem; }
.docs .bottom .row { width: auto; }

/* ---------------------------------------------------------------- mobile */

@media (max-width: 52rem) {
  .docs { display: block; }

  .sidebar-toggle {
    display: block;
    font: inherit;
    font-size: 0.8rem;
    color: var(--fg);
    background: var(--bg-raised);
    border: 1px solid var(--border-strong);
    border-radius: 5px;
    padding: 0.25rem 0.8rem;
    margin-top: 0.9rem;
    cursor: pointer;
  }

  .sidebar {
    display: none;
    position: static;
    height: auto;
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--border);
  }

  .sidebar.open { display: block; }

  .hero { padding-top: 2rem; }

  .features dl { grid-template-columns: 1fr; }
  .features dt { border-top: 1px solid var(--border); padding-bottom: 0; }
  .features dd { border-top: 0; padding-top: 0.15rem; }

  article h2 .anchor, article h3 .anchor { display: none; }
}