/* One page, two themes, no build step.
 *
 * Colour is load-bearing here and cannot be the only signal: a route group nothing is
 * carrying says so in words as well as in red, because the reader may not see the red. */

:root {
  color-scheme: light dark;

  --bg: #f6f7f9;
  --panel: #ffffff;
  --ink: #16191d;
  --muted: #5b6472;
  --line: #dfe3e8;

  --ok: #1a7f4b;
  --warn: #96631a;
  --bad: #b3261e;
  --unknown: #5b6472;

  --radius: 10px;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171b;
    --panel: #1c2025;
    --ink: #e8eaed;
    --muted: #98a2b1;
    --line: #2b313a;

    --ok: #4ec98a;
    --warn: #e0b055;
    --bad: #ff8a80;
    --unknown: #98a2b1;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.5 var(--sans);
}

.bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
  position: sticky;
  top: 0;
  z-index: 1;
}

.wordmark { font-weight: 600; letter-spacing: 0.02em; }
.freshness { color: var(--muted); font-size: 13px; margin-left: auto; }
.freshness.stale { color: var(--warn); font-weight: 600; }

.linkish {
  background: none;
  border: none;
  color: var(--muted);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  text-decoration: underline;
  padding: 0;
}

main { max-width: 1100px; margin: 0 auto; padding: 16px; }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 16px;
}

h1 { font-size: 20px; margin: 0 0 4px; }
h2 { font-size: 15px; margin: 24px 0 10px; color: var(--muted); font-weight: 600; }
p { margin: 0 0 12px; }

code, .mono { font-family: var(--mono); font-size: 13px; }

/* The headline. The whole question the page exists to answer, before any scrolling. */
.verdict {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
  border-left: 4px solid var(--ok);
}
.verdict.problems { border-left-color: var(--bad); }
.verdict h1 { font-size: 22px; }
.verdict .sub { color: var(--muted); font-size: 14px; }

/* A route group and the devices offering to carry it, side by side, because which
 * device carries which prefixes is a relationship and reads badly as rows. */
.group {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) 2fr;
  gap: 16px;
  align-items: start;
}
@media (max-width: 700px) {
  .group { grid-template-columns: 1fr; }
}

.group-id .name { font-weight: 600; }
.group-id .meta { color: var(--muted); font-size: 13px; }
.prefixes { margin: 8px 0 0; padding: 0; list-style: none; }
.prefixes li { font-family: var(--mono); font-size: 13px; }

.carriers { margin: 0; padding: 0; list-style: none; }
.carrier {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
  padding: 6px 0;
  border-top: 1px solid var(--line);
}
.carrier:first-child { border-top: none; }
.carrier .who { font-weight: 500; }
.carrier .why { color: var(--muted); font-size: 13px; }
.carrier.not-viable .who { text-decoration: line-through; }

.nobody {
  color: var(--bad);
  font-weight: 600;
}

.scroll { overflow-x: auto; }
.devices { width: 100%; min-width: 480px; border-collapse: collapse; }
.devices th {
  text-align: left;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  padding: 6px 8px;
}
.devices td { padding: 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
.devices tr.attention td { background: color-mix(in srgb, var(--bad) 7%, transparent); }
.devices .addr { font-family: var(--mono); font-size: 12px; color: var(--muted); }

.dot { font-size: 11px; }
.ok { color: var(--ok); }
.warn { color: var(--warn); }
.bad { color: var(--bad); }
.unknown { color: var(--unknown); }

.note { color: var(--muted); font-size: 13px; }
.faults { margin: 4px 0 0; padding-left: 18px; }
.faults li { color: var(--bad); font-size: 13px; }

/* Sign-in and the network picker. */
/* A column, since sign-in became two labelled fields and sometimes three. The single
   token field this used to hold sat happily on one row beside its button; three do not,
   and a wrapped row puts a label under the input it names. */
form.signin { display: flex; flex-direction: column; gap: 2px; align-items: stretch; }
form.signin button.primary { margin-top: 14px; align-self: flex-start; }
input[type="password"], input[type="email"], input[type="text"], select {
  font: inherit;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--ink);
  min-width: 260px;
}
button.primary {
  font: inherit;
  padding: 8px 14px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: var(--ink);
  color: var(--panel);
  cursor: pointer;
}
.error { color: var(--bad); }

.picker { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.picker label { color: var(--muted); font-size: 13px; }

/* The audit trail. A list rather than a table: the interesting column is the last one, and
   a table would give equal width to a timestamp nobody reads twice. */
.events { margin: 0; padding: 0; list-style: none; }
.event {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: baseline;
  padding: 7px 0;
  border-top: 1px solid var(--line);
}
.event:first-child { border-top: none; }
.event .when { color: var(--muted); font-size: 12px; white-space: nowrap; }
.event .who { font-weight: 500; }
.event .why { color: var(--muted); font-size: 13px; }

/* --- doing something ------------------------------------------------------------------ */

/* The actions column stays narrow and never pushes the columns that carry the answer. */
td.actions,
th.actions {
  width: 1%;
  white-space: nowrap;
  text-align: right;
}

button.danger {
  background: transparent;
  border: 1px solid var(--bad);
  color: var(--bad);
  border-radius: 4px;
  padding: 0.2rem 0.6rem;
  font: inherit;
  cursor: pointer;
}

button.danger:hover:not(:disabled) {
  background: var(--bad);
  color: var(--bg);
}

button:disabled {
  opacity: 0.6;
  cursor: progress;
}

/* Shown once and never again, so it is easy to select and hard to miss. */
code.token {
  display: block;
  margin: 0.6rem 0;
  padding: 0.6rem;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 4px;
  font-family: var(--mono);
  /* Long, and it must stay selectable in one gesture rather than scrolling sideways. */
  word-break: break-all;
  user-select: all;
}

.error.inline {
  margin-left: 0.5rem;
  font-size: 0.9em;
}

form.signin label {
  margin-top: 10px;
  font-size: 0.9em;
  color: var(--muted);
}

button.quiet {
  font: inherit;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}