:root {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color-scheme: light dark;
    --bg: Canvas;
    --text: CanvasText;
    --muted: color-mix(in srgb, CanvasText 60%, Canvas);
    --line: color-mix(in srgb, CanvasText 18%, Canvas);
    --soft: color-mix(in srgb, CanvasText 7%, Canvas);
    --accent: #2767c7;
    --danger: #b42318;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
}
a { color: inherit; }
.topbar {
    min-height: 60px;
    padding: 0 18px;
    border-bottom: 1px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.brand {
    font-weight: 800;
    font-size: 1.2rem;
    text-decoration: none;
}
.container {
    width: min(1050px, calc(100% - 28px));
    margin: 28px auto 60px;
}
.pagehead {
    display: flex;
    gap: 18px;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 22px;
}
.pagehead h1, .panel h1 { margin-bottom: 6px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.muted { color: var(--muted); }
.back { color: var(--muted); text-decoration: none; }
.cardgrid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 16px;
}
.vehicle-card, .panel, .empty {
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 20px;
    background: var(--soft);
}
.vehicle-card h2 { margin-top: 0; }
.vehicle-card h2 a { text-decoration: none; }
.narrow { max-width: 430px; margin: 8vh auto; }
.stats {
    display: grid;
    gap: 8px;
    margin: 20px 0;
}
.stats div {
    display: flex;
    justify-content: space-between;
    gap: 12px;
}
.stats dt { color: var(--muted); }
.stats dd { margin: 0; font-weight: 700; }
.summary {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin: 20px 0;
}
.summary div {
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 14px;
}
.summary span { display: block; color: var(--muted); font-size: .9rem; }
.summary strong { display: block; margin-top: 5px; font-size: 1.15rem; }
form { margin: 0; }
label {
    display: block;
    font-weight: 650;
    margin: 15px 0;
}
input {
    width: 100%;
    margin-top: 6px;
    font: inherit;
    padding: 11px 12px;
    border: 1px solid var(--line);
    border-radius: 9px;
    background: Canvas;
    color: CanvasText;
}
.formgrid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 14px;
}
.check {
    display: flex;
    gap: 10px;
    align-items: center;
}
.check input {
    width: 22px;
    height: 22px;
    margin: 0;
}
.button, button {
    display: inline-block;
    border: 1px solid var(--line);
    border-radius: 9px;
    padding: 10px 14px;
    font: inherit;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    background: var(--soft);
    color: var(--text);
}
.primary {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}
.wide { width: 100%; text-align: center; }
.link-button, .danger-link {
    border: 0;
    padding: 0;
    background: transparent;
    font-weight: 500;
    text-decoration: underline;
}
.danger, .danger-link { color: var(--danger); }
.danger { border-color: var(--danger); }
.hint, .flash {
    border-radius: 9px;
    padding: 11px 13px;
    background: var(--soft);
    border: 1px solid var(--line);
}
.flash { margin-bottom: 14px; }
.flash.error { border-color: var(--danger); }
.table-wrap { overflow-x: auto; }
table {
    width: 100%;
    border-collapse: collapse;
}
th, td {
    text-align: left;
    padding: 11px 9px;
    border-bottom: 1px solid var(--line);
    white-space: nowrap;
}
.row-actions {
    display: flex;
    gap: 10px;
}
hr {
    border: 0;
    border-top: 1px solid var(--line);
    margin: 28px 0;
}

@media (max-width: 700px) {
    .container { margin-top: 18px; }
    .pagehead { align-items: flex-start; flex-direction: column; }
    .summary { grid-template-columns: 1fr 1fr; }
    .formgrid { grid-template-columns: 1fr; }
    .actions { width: 100%; }
    .actions .button { flex: 1; text-align: center; }
}