:root {
  --bg: #f4f5f7; --card: #fff; --ink: #1d2433; --muted: #667085; --line: #e3e6ec;
  --brand: #1f5eff; --brand-ink: #fff; --ok: #1a7f4b; --warn: #b26b00; --bad: #c62828;
  --ok-bg: #e6f4ec; --warn-bg: #fff4e0; --bad-bg: #fdecec; --radius: 10px;
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--ink); }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
header.top { background: #111a2e; color: #fff; }
header.top .inner { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem 1.5rem; padding: .75rem 1rem; max-width: 1200px; margin: 0 auto; }
header.top .brand { font-weight: 700; font-size: 1.1rem; color: #fff; letter-spacing: .02em; }
header.top nav { display: flex; flex-wrap: wrap; gap: 1rem; flex: 1; }
header.top nav a, header.top .who { color: #c9d3ea; }
header.top nav a.active { color: #fff; font-weight: 600; }
header.top form { margin: 0; }
header.top button { background: none; border: 1px solid #44506b; color: #c9d3ea; padding: .25rem .6rem; border-radius: 6px; cursor: pointer; }
main { max-width: 1200px; margin: 0 auto; padding: 1.25rem 1rem 3rem; }
h1 { font-size: 1.5rem; margin: 0 0 1rem; }
h2 { font-size: 1.1rem; margin: 0 0 .75rem; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.stats { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); margin-bottom: 1rem; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.1rem; margin-bottom: 1rem; }
.stat .n { font-size: 1.6rem; font-weight: 700; }
.stat .l { color: var(--muted); font-size: .85rem; }
.titlebar { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: .75rem; margin-bottom: 1rem; }
.titlebar h1 { margin: 0; }
.actions { display: flex; flex-wrap: wrap; gap: .5rem; }
.btn, button.btn { display: inline-block; background: var(--brand); color: var(--brand-ink); border: 0; border-radius: 7px; padding: .45rem .9rem; font: inherit; cursor: pointer; }
.btn:hover { text-decoration: none; filter: brightness(1.08); }
.btn.secondary { background: #fff; color: var(--ink); border: 1px solid var(--line); }
.btn.danger, button.link-danger { background: none; color: var(--bad); border: 0; padding: 0; cursor: pointer; font: inherit; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .5rem .6rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 600; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.badge { display: inline-block; font-size: .75rem; font-weight: 600; padding: .1rem .5rem; border-radius: 999px; background: #eef0f4; color: var(--muted); white-space: nowrap; }
.badge.overdue, .badge.expired, .badge.retired { background: var(--bad-bg); color: var(--bad); }
.badge.due_soon, .badge.expiring, .badge.in_shop { background: var(--warn-bg); color: var(--warn); }
.badge.ok, .badge.valid, .badge.active { background: var(--ok-bg); color: var(--ok); }
.messages { list-style: none; padding: 0; margin: 0 0 1rem; }
.messages li { padding: .6rem .9rem; border-radius: 8px; background: var(--ok-bg); color: var(--ok); margin-bottom: .5rem; }
.messages li.error { background: var(--bad-bg); color: var(--bad); }
.stacked { max-width: 640px; }
.stacked .field { margin-bottom: .9rem; }
.stacked label { display: block; font-weight: 600; margin-bottom: .25rem; }
input[type=text], input[type=number], input[type=date], input[type=email], input[type=password], select, textarea {
  width: 100%; padding: .5rem .6rem; border: 1px solid #cdd2dc; border-radius: 7px; font: inherit; background: #fff;
}
input[type=checkbox] { width: auto; margin-right: .4rem; }
.field ul { list-style: none; padding: 0; margin: 0; }
.helptext, .field .help { color: var(--muted); font-size: .82rem; display: block; margin-top: .2rem; }
.errorlist { color: var(--bad); list-style: none; padding: 0; margin: .25rem 0; font-size: .88rem; }
.lines td { padding: .3rem; }
.lines input, .lines select { min-width: 90px; }
.timeline { list-style: none; margin: 0; padding: 0; border-left: 2px solid var(--line); }
.timeline li { position: relative; padding: 0 0 .9rem 1rem; }
.timeline li::before { content: ""; position: absolute; left: -7px; top: .35rem; width: 12px; height: 12px; border-radius: 50%; background: var(--brand); }
.timeline li.fuel::before { background: #0e9f6e; }
.timeline li.service::before { background: #d97706; }
.timeline li.document::before { background: #7c3aed; }
.timeline li.odometer::before { background: #64748b; }
.chart-box { position: relative; height: 300px; }
.auth { max-width: 420px; margin: 3rem auto; }
.inline-form { display: inline; margin: 0; }
dl.facts { display: grid; grid-template-columns: max-content 1fr; gap: .3rem 1rem; margin: 0; }
dl.facts dt { color: var(--muted); }
dl.facts dd { margin: 0; }
@media (max-width: 600px) { h1 { font-size: 1.25rem; } .stat .n { font-size: 1.3rem; } }
.stacked .field div label { font-weight: 400; }