/* Layout: one column of logbook sections; tables scroll inside their own frame on phones. */
:root {
  --bg: #f3f4f1;
  --surface: #ffffff;
  --ink: #1b2420;
  --muted: #5d6963;
  --line: #d7dcd8;
  --accent: #1d6b48;      /* highway-sign green */
  --accent-ink: #ffffff;
  --accent-soft: #e2efe8;
  --warn: #9a5b00;
  --warn-soft: #fbf0dc;
  --bad: #a3271b;
  --bad-soft: #f9e3df;
  --good: #1d6b48;
  --font-body: "Public Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-num: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --radius: 6px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121714;
    --surface: #1a211d;
    --ink: #e4ebe6;
    --muted: #9aa8a0;
    --line: #2f3a34;
    --accent: #4fb784;
    --accent-ink: #0d1a13;
    --accent-soft: #1e3328;
    --warn: #e0a54a;
    --warn-soft: #33281a;
    --bad: #ef7d70;
    --bad-soft: #3a1f1c;
    --good: #4fb784;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.5 var(--font-body);
}
a { color: var(--accent); }
h1, h2, h3 { line-height: 1.2; text-wrap: balance; margin: 0; }
h1 { font-size: 1.5rem; font-weight: 700; }
h2 { font-size: 1.1rem; font-weight: 650; }
h3 { font-size: 0.95rem; font-weight: 650; }
.num, td.num, th.num { font-family: var(--font-num); font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }

/* Header */
.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar-inner { max-width: 1100px; margin: 0 auto; padding: 0 16px; display: flex; align-items: center; gap: 16px; min-height: 52px; }
.brand { font-weight: 800; letter-spacing: 0.02em; text-decoration: none; color: var(--ink); white-space: nowrap; display: flex; align-items: center; gap: 8px; }
.brand-mark { display: inline-block; width: 22px; height: 22px; border-radius: 4px; background: var(--accent); color: var(--accent-ink); font: 700 11px/22px var(--font-num); text-align: center; }
.nav { display: flex; gap: 2px; overflow-x: auto; scrollbar-width: none; flex: 1; }
.nav::-webkit-scrollbar { display: none; }
.nav a { padding: 6px 10px; border-radius: var(--radius); text-decoration: none; color: var(--muted); white-space: nowrap; font-weight: 550; }
.nav a:hover { color: var(--ink); background: var(--bg); }
.nav a.on { color: var(--ink); background: var(--accent-soft); }
.nav a.go { color: var(--accent-ink); background: var(--accent); }
.account { display: flex; gap: 8px; align-items: center; white-space: nowrap; }
.account form { margin: 0; }

main { max-width: 1100px; margin: 0 auto; padding: 20px 16px 64px; display: flex; flex-direction: column; gap: 20px; }
.page-head { display: flex; flex-wrap: wrap; gap: 12px; align-items: end; justify-content: space-between; }
.page-head .actions { display: flex; flex-wrap: wrap; gap: 8px; }

section.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }

/* Buttons */
.btn, button.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px 14px; border-radius: var(--radius); border: 1px solid var(--line);
  background: var(--surface); color: var(--ink); font: 600 0.9rem var(--font-body);
  text-decoration: none; cursor: pointer; min-height: 38px;
}
.btn:hover { border-color: var(--muted); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.danger { color: var(--bad); border-color: var(--bad); }
.btn.big { font-size: 1.1rem; padding: 14px 22px; min-height: 56px; width: 100%; }
.btn:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.linkbtn { background: none; border: 0; color: var(--muted); font: inherit; cursor: pointer; padding: 6px; }
.linkbtn:hover { color: var(--ink); }

/* Messages */
.messages { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.messages li, .notice { padding: 10px 14px; border-radius: var(--radius); background: var(--accent-soft); }
.messages li.error, .notice.bad { background: var(--bad-soft); color: var(--bad); }
.messages li.warning, .notice.warn { background: var(--warn-soft); color: var(--warn); }

/* Stat strip */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.stat { background: var(--surface); padding: 12px 14px; display: flex; flex-direction: column; gap: 2px; }
.stat .label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); font-weight: 600; }
.stat .value { font: 600 1.35rem var(--font-num); font-variant-numeric: tabular-nums; }
.stat .sub { font-size: 0.8rem; color: var(--muted); font-family: var(--font-num); }

/* Tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
table { border-collapse: collapse; width: 100%; font-size: 0.9rem; }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); font-weight: 650; background: var(--bg); white-space: nowrap; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: color-mix(in srgb, var(--accent-soft) 40%, transparent); }
tfoot td { font-weight: 700; border-top: 2px solid var(--line); border-bottom: 0; }
td a.rowlink { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; font-weight: 600; white-space: nowrap; }
td a.rowlink:hover { text-decoration-thickness: 2px; }

/* Chips */
.chip { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 0.75rem; font-weight: 650; background: var(--bg); border: 1px solid var(--line); color: var(--muted); white-space: nowrap; }
.chip.live { background: var(--accent-soft); color: var(--good); border-color: transparent; }
.chip.late { background: var(--warn-soft); color: var(--warn); border-color: transparent; }
.chip.bad { background: var(--bad-soft); color: var(--bad); border-color: transparent; }

/* Forms */
form.stack { display: flex; flex-direction: column; gap: 14px; }
.fields { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px 16px; }
.field { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.field.wide { grid-column: 1 / -1; }
.field label { font-weight: 600; font-size: 0.85rem; }
.field .help { font-size: 0.8rem; color: var(--muted); }
.field .errorlist { color: var(--bad); font-size: 0.85rem; margin: 0; padding: 0; list-style: none; }
.field.checkbox { flex-direction: row; align-items: center; gap: 8px; flex-wrap: wrap; }
input[type=text], input[type=number], input[type=date], input[type=time], input[type=password], input[type=search], input:not([type]), select, textarea {
  width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--surface); color: var(--ink); font: inherit; min-height: 38px;
}
input[inputmode=decimal], input[inputmode=numeric] { font-family: var(--font-num); }
.errorlist.nonfield { background: var(--bad-soft); color: var(--bad); padding: 10px 14px; border-radius: var(--radius); list-style: none; margin: 0; }
fieldset { border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; margin: 0; min-width: 0; }
legend { font-weight: 700; padding: 0 6px; }
.audit-reason { background: var(--warn-soft); border-color: transparent; }

.filters { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; }
.filters .field { flex: 1 1 140px; }

/* Definition list for trip detail */
dl.facts { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 0; }
dl.facts dt { color: var(--muted); font-size: 0.85rem; }
dl.facts dd { margin: 0; }

/* Map */
#map { height: 340px; border-radius: var(--radius); border: 1px solid var(--line); }

/* History */
.history { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.history li { border-left: 3px solid var(--line); padding-left: 12px; }
.history li.created { border-color: var(--good); }
.history li.deleted { border-color: var(--bad); }
.history li.changed { border-color: var(--warn); }
.history .meta { font-size: 0.8rem; color: var(--muted); }
.change { font-size: 0.85rem; }
.change del { color: var(--bad); text-decoration: line-through; }
.change ins { color: var(--good); text-decoration: none; }

/* Tracker */
.tracker { display: flex; flex-direction: column; gap: 16px; max-width: 520px; width: 100%; margin: 0 auto; }
.odo { font: 700 2.6rem var(--font-num); font-variant-numeric: tabular-nums; letter-spacing: 0.02em; text-align: center; padding: 18px; border-radius: var(--radius); background: var(--ink); color: var(--bg); }
.odo small { display: block; font: 600 0.75rem var(--font-body); letter-spacing: 0.08em; text-transform: uppercase; opacity: 0.7; }
.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--muted); margin-right: 6px; }
.dot.on { background: var(--good); box-shadow: 0 0 0 4px var(--accent-soft); }
.dot.warn { background: var(--warn); }

/* Backfill grid */
.backfill td { padding: 4px; min-width: 96px; }
.backfill td.wide { min-width: 200px; }
.backfill input, .backfill select { min-height: 34px; padding: 4px 6px; font-size: 0.85rem; }
.backfill .errorlist { color: var(--bad); font-size: 0.75rem; list-style: none; padding: 0; margin: 2px 0 0; }

.token { font-family: var(--font-num); word-break: break-all; background: var(--bg); border: 1px dashed var(--accent); padding: 10px; border-radius: var(--radius); user-select: all; }
.pager { display: flex; gap: 12px; align-items: center; justify-content: center; }

@media (max-width: 640px) {
  .account .who { display: none; }
  h1 { font-size: 1.3rem; }
  .stat .value { font-size: 1.15rem; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }