/* The website's plain pages (login, password reset), in the app's look:
   Plex Sans and Mono, one ultramarine accent, 3px corners, thin rules, no shadows.
   The colors are the app's col:: palette (Widgets.cpp), light and dark. */
@font-face { font-family: "IBM Plex Sans"; font-weight: 400; src: url(fonts/IBMPlexSans-Regular.ttf); font-display: swap; }
@font-face { font-family: "IBM Plex Sans"; font-weight: 600; src: url(fonts/IBMPlexSans-SemiBold.ttf); font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; font-weight: 400; src: url(fonts/IBMPlexMono-Regular.ttf); font-display: swap; }

:root {
  color-scheme: light dark;
  --bg: #f4f5f7; --card: #ffffff; --rule: #d9dde3; --ink: #111827; --ink-soft: #3a4352;
  --muted: #6b7280; --accent: #00308f; --accent-hover: #002670; --on-accent: #ffffff;
  --bad: #b23a3a; --bad-soft: #f7e9e8;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1018; --card: #121924; --rule: #293343; --ink: #e6e9ee; --ink-soft: #b7bec9;
    --muted: #8a93a2; --accent: #6a8fe8; --accent-hover: #84a3ee; --on-accent: #0b1018;
    --bad: #e0716f; --bad-soft: #2c1517;
  }
}

* { box-sizing: border-box; }
html { background: var(--bg); }
body {
  margin: 0; min-height: 100dvh; color: var(--ink);
  font: 16px/1.5 "IBM Plex Sans", -apple-system, "Segoe UI", sans-serif;
}
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--accent-hover); }

.bar { border-bottom: 1px solid var(--rule); padding: 14px max(16px, 6vw); display: flex; align-items: baseline; gap: 12px; }
.bar b { font-weight: 600; font-size: 18px; }
.bar a { color: inherit; text-decoration: none; }
.label { font: 11px/1.4 "IBM Plex Mono", ui-monospace, monospace; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }

main.narrow { box-sizing: content-box; max-width: 400px; padding: 56px max(16px, 6vw) 48px; margin: 0; }
h1 { font-size: 26px; line-height: 1.2; font-weight: 600; margin: 0 0 8px; text-wrap: balance; }
p { margin: 0 0 16px; color: var(--ink-soft); }
p.small { font-size: 14px; color: var(--muted); }

form { margin-top: 28px; }
label { display: block; font-size: 14px; color: var(--ink-soft); margin: 16px 0 6px; }
input {
  width: 100%; padding: 10px 12px; border: 1px solid var(--rule); border-radius: 3px;
  background: var(--card); color: var(--ink); font: inherit;
}
input:focus-visible, button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
button {
  margin-top: 24px; padding: 10px 18px; border: 1px solid var(--accent); border-radius: 3px;
  background: var(--accent); color: var(--on-accent); font: inherit; font-weight: 600; cursor: pointer;
}
button:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
button:disabled { opacity: 0.55; cursor: default; }
button.link {
  margin: 0; padding: 0; border: 0; background: none; color: var(--accent);
  font-weight: 400; text-decoration: underline; text-underline-offset: 3px;
}
.row { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; margin-top: 24px; }
.row button { margin-top: 0; }

.note { margin-top: 20px; padding: 10px 12px; border-left: 2px solid var(--rule); font-size: 14px; color: var(--ink-soft); }
.note.bad { border-color: var(--bad); background: var(--bad-soft); color: var(--bad); }
.note:empty { display: none; }
.rule { border: 0; border-top: 1px solid var(--rule); margin: 36px 0 16px; }

/* ---- the introduction page ---- */
.push { margin-left: auto; }
a.button {
  display: inline-block; padding: 10px 18px; border: 1px solid var(--accent); border-radius: 3px;
  background: var(--accent); color: var(--on-accent); font-weight: 600; text-decoration: none;
}
a.button:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: var(--on-accent); }
a.button.outline { background: none; color: var(--ink); border-color: var(--rule); padding: 6px 14px; font-size: 15px; }
a.button.outline:hover { border-color: var(--accent); color: var(--accent); background: none; }
.bar { align-items: center; }

main.page { max-width: 1040px; padding: 0 max(16px, 6vw); margin: 0; }
main.page section { padding: 44px 0 12px; border-top: 1px solid var(--rule); }
main.page section.lead { border-top: 0; padding-top: 64px; }
.lead h1 { font-size: clamp(34px, 6vw, 52px); letter-spacing: -0.01em; margin-bottom: 16px; }
h2 { font-size: 22px; line-height: 1.25; font-weight: 600; margin: 0 0 10px; }
p.big { font-size: 19px; line-height: 1.5; max-width: 34em; color: var(--ink-soft); }
main.page p { max-width: 42em; }
.dim { color: var(--muted); }

.figures {
  display: flex; flex-wrap: wrap; gap: 6px 28px; margin: 24px 0 28px; max-width: none;
  font: 14px/1.5 "IBM Plex Mono", ui-monospace, monospace; color: var(--muted);
}
.figures b { color: var(--ink); font-weight: 400; font-size: 16px; margin-right: 4px; }

.tablewrap { overflow-x: auto; margin: 20px 0 14px; border: 1px solid var(--rule); border-radius: 3px; background: var(--card); }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; padding: 11px 16px; border-top: 1px solid var(--rule); vertical-align: baseline; }
thead th, tr.group th {
  font: 11px/1.4 "IBM Plex Mono", ui-monospace, monospace; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--muted); font-weight: 400;
}
thead th { border-top: 0; white-space: nowrap; }
tr.group th { padding-top: 18px; color: var(--ink-soft); }
tbody th[scope="row"] { font-weight: 600; }
td { font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: 14px; font-variant-numeric: tabular-nums; white-space: nowrap; }
table.plain td { font-family: inherit; font-size: 15px; white-space: normal; }
table.plain tr:first-child th, table.plain tr:first-child td { border-top: 0; }
table.plain th { width: 11em; }

.shots { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr)); gap: 28px 24px; margin: 24px 0 28px; }
figure { margin: 0; }
figure img { display: block; width: 100%; height: auto; border: 1px solid var(--rule); border-radius: 3px; }
figcaption { margin-top: 10px; font-size: 15px; color: var(--ink-soft); max-width: 36em; }
figcaption b { color: var(--ink); font-weight: 600; }

.foot { border-top: 1px solid var(--rule); margin-top: 36px; padding: 20px max(16px, 6vw) 40px; }
.foot p { max-width: 46em; margin: 0; }

@media (max-width: 560px) {
  th, td { padding: 10px 7px; }
  th:first-child, td:first-child { padding-left: 12px; }
  table { font-size: 14px; }
  td { font-size: 13px; }
  table.plain th { width: 8em; }
  thead th { letter-spacing: 0.04em; white-space: normal; }
  td .dim { display: block; }   /* "60 + generated" on two lines */
}