/* Fuel Log - simple, high-contrast styles. Large touch targets on the fuel lane. */
:root {
  --bg: #f4f6f8; --card: #fff; --ink: #1d2733; --muted: #667788; --line: #d9e0e7;
  --brand: #0b5cad; --ok: #1d7a3a; --warn: #a35f00; --warn-bg: #fff4e0; --err: #b3261e; --err-bg: #fdecea;
  --flag-bg: #fff8e6; --void: #9aa5b1;
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--ink); background: var(--bg); }
a { color: var(--brand); }
h1 { font-size: 1.5rem; margin: 0 0 .8rem; } h2 { font-size: 1.15rem; margin: 0 0 .6rem; } h3 { font-size: 1rem; }
h1 small, h2 small { font-weight: 400; color: var(--muted); font-size: .8em; }
main { max-width: 1200px; margin: 0 auto; padding: 1rem; }

.topbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .5rem;
  background: var(--ink); color: #fff; padding: .6rem 1rem; }
.topbar a { color: #fff; text-decoration: none; margin-right: .9rem; }
.topbar a:hover { text-decoration: underline; }
.brand { font-weight: 700; font-size: 1.1rem; } .brand span { font-weight: 400; opacity: .7; margin-left: .3rem; }
.topbar nav { display: flex; flex-wrap: wrap; align-items: center; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 1rem 1.2rem; margin-bottom: 1rem; }
.card.narrow { max-width: 560px; margin: 1rem auto; }
.two-col { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1rem; }
.lane-grid { display: grid; grid-template-columns: minmax(320px, 1.3fr) minmax(280px, 1fr); gap: 1rem; }
@media (max-width: 800px) { .lane-grid { grid-template-columns: 1fr; } }
.pagehead { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: .5rem; }
.actions { display: flex; flex-wrap: wrap; gap: .4rem; align-items: center; }

label { display: block; margin-bottom: .6rem; font-weight: 600; }
label small { font-weight: 400; color: var(--muted); }
input, select, textarea { display: block; width: 100%; margin-top: .2rem; padding: .5rem .6rem; font: inherit;
  border: 1px solid #b8c3cf; border-radius: 6px; background: #fff; }
input:focus { outline: 3px solid #9cc4ee; border-color: var(--brand); }
.row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: .8rem; }
label.big input { font-size: 1.6rem; padding: .7rem .8rem; }
form.inline { display: inline; } form.inline input { display: inline-block; width: auto; }
details { margin: .4rem 0 1rem; } summary { cursor: pointer; color: var(--brand); margin-bottom: .6rem; }
.errorlist { color: var(--err); list-style: none; padding: 0; margin: .2rem 0; font-weight: 400; }

button, .button { display: inline-block; padding: .5rem .9rem; font: inherit; border-radius: 6px; cursor: pointer;
  border: 1px solid #b8c3cf; background: #fff; color: var(--ink); text-decoration: none; }
button.primary { background: var(--brand); color: #fff; border-color: var(--brand); }
button.warn { background: var(--warn); color: #fff; border-color: var(--warn); }
button.danger { background: var(--err); color: #fff; border-color: var(--err); }
button.big, .button.big { font-size: 1.3rem; padding: .8rem 1.6rem; }
button.small, .button.small { font-size: .85rem; padding: .25rem .6rem; }
button.link { background: none; border: 0; color: #fff; padding: 0; text-decoration: underline; }

.msg { padding: .7rem .9rem; border-radius: 6px; margin-bottom: .8rem; border: 1px solid; }
.msg ul { margin: .3rem 0 .3rem 1.2rem; padding: 0; }
.msg.success { background: #e9f6ed; border-color: #a9d8b6; color: var(--ok); }
.msg.warning { background: var(--warn-bg); border-color: #f0c98a; color: #6b3e00; }
.msg.error { background: var(--err-bg); border-color: #f1aea8; color: var(--err); }

.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: .8rem; margin-bottom: 1rem; }
.tile { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: .8rem 1rem; color: inherit; text-decoration: none; }
.tile .label { display: block; color: var(--muted); font-size: .85rem; }
.tile .value { display: block; font-size: 1.6rem; font-weight: 700; }
.tile .sub { display: block; color: var(--muted); font-size: .85rem; }
.tile.alert { border-color: #f0c98a; background: var(--warn-bg); }

table { width: 100%; border-collapse: collapse; background: var(--card); }
th, td { text-align: left; padding: .4rem .5rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: #eef2f6; font-size: .85rem; } th.num, td.num { text-align: right; font-variant-numeric: tabular-nums; }
table.compact td, table.compact th { padding: .3rem .4rem; }
tr.flagged { background: var(--flag-bg); }
tr.void, tr.void a { color: var(--void); text-decoration: line-through; }
.flag { display: inline-block; font-size: .8rem; background: var(--warn-bg); color: #6b3e00; border-radius: 4px; padding: 0 .35rem; margin: .1rem .2rem .1rem 0; }
.ok { color: var(--ok); font-size: .85rem; }
.muted { color: var(--muted); }
code.small { font-size: .75rem; word-break: break-word; }
.filter { max-width: 360px; margin-bottom: .8rem; }
.toolbar { display: flex; justify-content: space-between; align-items: center; gap: .8rem; margin-bottom: .8rem; }
.toolbar .filter { margin: 0; }
form.review { display: flex; gap: .3rem; margin-bottom: .3rem; } form.review input { margin: 0; }

svg.bars, svg.line { width: 100%; height: auto; max-height: 220px; }
svg.bars rect { fill: var(--brand); } svg.bars rect:hover { fill: #08427c; }
svg.line polyline { fill: none; stroke: var(--brand); stroke-width: 2; }
svg .axis { font-size: 10px; fill: var(--muted); }

@media print {
  .topbar, .noprint, .msg { display: none !important; }
  body { background: #fff; font-size: 11px; } main { padding: 0; max-width: none; }
  table { page-break-inside: auto; } tr { page-break-inside: avoid; }
  a { color: inherit; text-decoration: none; }
}
h2.spaced { margin-top: 1.6rem; }
.report-filters label.wide { grid-column: span 2; }
@media (max-width: 800px) { .report-filters label.wide { grid-column: auto; } }
tr.muted td { color: var(--muted); }