:root {
  color-scheme: light;
  --canvas: #f4f6f8;
  --surface: #ffffff;
  --surface-soft: #f8fafb;
  --ink: #17212b;
  --muted: #667481;
  --line: #dfe6ea;
  --brand: #123e46;
  --brand-strong: #0c3037;
  --accent: #d8f274;
  --positive: #2d8b63;
  --positive-bg: #e9f7f0;
  --warning: #a96105;
  --warning-bg: #fff4dc;
  --danger: #b63b3b;
  --danger-bg: #fff0ef;
  --neutral: #687580;
  --shadow: 0 12px 34px rgba(25, 44, 53, .07);
}

* { box-sizing: border-box; }
html { min-width: 320px; background: var(--canvas); }
body { margin: 0; background: var(--canvas); color: var(--ink); font: 16px/1.5 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
button, .button { cursor: pointer; }

.site-header { position: sticky; z-index: 10; top: 0; border-bottom: 1px solid rgba(223, 230, 234, .85); background: rgba(255,255,255,.9); backdrop-filter: blur(18px); }
.site-header__inner { width: min(1120px, calc(100% - 2rem)); min-height: 4.4rem; margin: auto; display: flex; align-items: center; gap: 1.4rem; }
.brand { display: inline-flex; align-items: center; gap: .7rem; color: var(--ink); text-decoration: none; font-size: .94rem; font-weight: 800; letter-spacing: -.02em; }
.brand small { display: block; color: var(--muted); font-size: .69rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.brand-mark { display: grid; width: 2.25rem; aspect-ratio: 1; place-items: center; border-radius: .7rem; background: var(--brand); color: var(--accent); font-size: .72rem; letter-spacing: -.06em; }
.desktop-nav { display: none; gap: .2rem; margin-left: 1.25rem; }
.desktop-nav a { padding: .45rem .7rem; border-radius: .5rem; color: var(--muted); font-size: .9rem; font-weight: 700; text-decoration: none; }
.desktop-nav a:hover { color: var(--brand); background: #edf3f3; }
.header-menu { display: grid; width: 2.25rem; aspect-ratio: 1; place-items: center; margin-left: auto; border: 1px solid var(--line); border-radius: .65rem; color: var(--brand); font-weight: 900; text-decoration: none; }

.page { width: min(1120px, calc(100% - 2rem)); margin: 0 auto; padding: 1.5rem 0 6.8rem; }
.page--app { padding-top: 1.25rem; }
.eyebrow { margin: 0 0 .28rem; color: var(--muted); font-size: .69rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { color: var(--ink); letter-spacing: -.035em; line-height: 1.12; }
h1 { margin-bottom: .55rem; font-size: clamp(1.75rem, 4vw, 2.45rem); }
h2 { margin-bottom: 0; font-size: 1.25rem; }
h3 { margin-bottom: .2rem; font-size: 1rem; }
small, .muted { color: var(--muted); }
.amount, .metric-card strong, .vehicle-hero__mileage strong { font-variant-numeric: tabular-nums; }

.card, .form-card, .list-row, .timeline-item, .maintenance-card, .metric-card { border: 1px solid var(--line); border-radius: 1rem; background: var(--surface); box-shadow: var(--shadow); }
.card { padding: 1.25rem; }
.notice { margin: 0 0 1rem; padding: .85rem 1rem; border: 1px solid #c5dfd0; border-radius: .8rem; background: var(--positive-bg); color: #1f6045; font-weight: 650; }
.errorlist, .field-error { margin: .35rem 0 0; padding: 0; color: var(--danger); font-size: .86rem; font-weight: 650; list-style: none; }
.empty { padding: 3.5rem 1.5rem; text-align: center; }
.empty p { max-width: 32rem; margin-right: auto; margin-left: auto; }

.button, button { display: inline-flex; align-items: center; justify-content: center; gap: .45rem; min-height: 2.8rem; padding: .68rem 1rem; border: 1px solid transparent; border-radius: .72rem; background: var(--brand); color: #fff; font-weight: 800; line-height: 1.2; text-decoration: none; transition: transform .15s ease, background .15s ease; }
.button:hover, button:hover { background: var(--brand-strong); transform: translateY(-1px); }
.button--light { background: #ffffff1c; border-color: #ffffff4d; color: #fff; }
.button--light:hover { background: #ffffff2b; }
.button--secondary, button.quiet { border-color: var(--line); background: var(--surface); color: var(--brand); }
.button--secondary:hover, button.quiet:hover { background: var(--surface-soft); }

.vehicle-hero { position: relative; display: grid; gap: 1.15rem; overflow: hidden; padding: 1.45rem; border-radius: 1.35rem; background: linear-gradient(135deg, #103c45, #1b5f64); color: #fff; box-shadow: 0 16px 38px rgba(14, 57, 64, .22); }
.vehicle-hero::after { position: absolute; right: -4rem; bottom: -6rem; width: 15rem; height: 15rem; border: 2rem solid #d8f27420; border-radius: 50%; content: ""; }
.vehicle-hero h1 { color: #fff; }
.vehicle-hero .eyebrow, .vehicle-hero__meta, .vehicle-hero__mileage span, .vehicle-hero__mileage small { color: #d9ebeb; }
.vehicle-hero__meta { margin-bottom: 0; font-size: .9rem; }
.vehicle-hero__mileage { position: relative; z-index: 1; display: grid; gap: .12rem; }
.vehicle-hero__mileage strong { font-size: clamp(2rem, 8vw, 3.3rem); letter-spacing: -.07em; line-height: 1; }
.vehicle-hero__mileage strong small { font-size: .42em; font-weight: 750; letter-spacing: 0; }
.vehicle-hero .button { position: relative; z-index: 1; width: fit-content; }

.section-head { display: flex; align-items: end; justify-content: space-between; gap: 1rem; margin: 2rem 0 .85rem; }
.section-head > a { color: var(--brand); font-size: .86rem; font-weight: 800; text-decoration: none; white-space: nowrap; }
.section-head > a:hover { text-decoration: underline; }

.quick-actions { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .65rem; }
.quick-actions a { display: grid; min-height: 6.25rem; align-content: center; gap: .17rem; padding: .85rem .65rem; border: 1px solid var(--line); border-radius: .9rem; background: var(--surface); box-shadow: 0 6px 18px rgba(25,44,53,.04); color: var(--ink); text-align: center; text-decoration: none; }
.quick-actions a:hover { border-color: #a4c4c3; transform: translateY(-1px); }
.quick-actions strong { font-size: .82rem; line-height: 1.2; }
.quick-actions small { display: none; font-size: .72rem; }
.quick-actions__icon { display: grid; width: 1.85rem; height: 1.85rem; place-items: center; margin: 0 auto .3rem; border-radius: .6rem; background: #e7f1f0; color: var(--brand); font-size: 1rem; font-weight: 900; }

.status-list, .timeline, .plain-list { display: grid; gap: .65rem; }
.maintenance-card { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: .85rem; padding: .9rem; box-shadow: none; }
.maintenance-card--overdue { border-color: #f0c3c0; background: var(--danger-bg); }
.maintenance-card--due, .maintenance-card--upcoming { border-color: #ecd49d; background: var(--warning-bg); }
.maintenance-card__state { display: grid; justify-items: center; gap: .2rem; width: 3.4rem; color: var(--muted); font-size: .64rem; font-weight: 850; letter-spacing: .06em; text-transform: uppercase; }
.badge { display: block; width: .68rem; height: .68rem; border-radius: 50%; background: var(--neutral); box-shadow: 0 0 0 .32rem #dbe2e5; }
.badge.ok { background: var(--positive); box-shadow: 0 0 0 .32rem #d7eee2; }.badge.upcoming, .badge.due { background: var(--warning); box-shadow: 0 0 0 .32rem #f7e6bd; }.badge.overdue { background: var(--danger); box-shadow: 0 0 0 .32rem #f8d7d4; }
.maintenance-card__content { min-width: 0; }
.maintenance-card__content p { margin: .14rem 0; color: var(--ink); font-weight: 750; }
.maintenance-card__content small { font-size: .78rem; }
.icon-action { display: grid; width: 2rem; aspect-ratio: 1; place-items: center; border-radius: .55rem; color: var(--brand); font-size: 1.45rem; font-weight: 500; text-decoration: none; }
.icon-action:hover { background: #e8f1f1; }

.metric-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .65rem; }
.metric-card { min-width: 0; padding: .9rem; box-shadow: none; }
.metric-card span, .metric-card small { display: block; color: var(--muted); font-size: .72rem; font-weight: 700; }
.metric-card strong { display: block; overflow: hidden; margin: .35rem 0 .25rem; font-size: clamp(1rem, 4.5vw, 1.55rem); letter-spacing: -.055em; text-overflow: ellipsis; white-space: nowrap; }

.timeline-item { display: grid; grid-template-columns: 2.75rem minmax(0, 1fr); gap: .8rem; padding: .95rem; box-shadow: none; }
.timeline-item__date { display: grid; align-content: center; height: 2.7rem; border-radius: .7rem; background: #e9f1f1; color: var(--brand); text-align: center; }
.timeline-item__date strong { font-size: 1.05rem; line-height: 1; }.timeline-item__date span { font-size: .63rem; font-weight: 800; text-transform: uppercase; }
.timeline-item h3 { margin: .08rem 0 .2rem; }.timeline-item p { margin: 0; font-size: .9rem; }.timeline-item small { display: block; font-size: .78rem; }
.timeline-item a { color: var(--ink); text-decoration: none; }.timeline-item a:hover { color: var(--brand); text-decoration: underline; }
.list-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .95rem 1rem; box-shadow: none; color: var(--ink); text-decoration: none; }
.list-row:hover { border-color: #b8cfce; }.list-row > div { min-width: 0; }.list-row small { display: block; margin-top: .15rem; }.list-row .amount { flex: none; }
.list-row--arrow::after { color: var(--muted); content: "›"; font-size: 1.35rem; }

.details { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }.details dt { color: var(--muted); font-size: .72rem; font-weight: 750; }.details dd { margin: .12rem 0 0; font-weight: 750; }
.vehicle-summary { display: grid; gap: .9rem; }.vehicle-summary__mileage { font-size: 1.65rem; font-weight: 850; letter-spacing: -.055em; }

.form-card { max-width: 46rem; margin: 0 auto; padding: 1.25rem; }.form-card > p { margin-bottom: .25rem; }
form { display: grid; gap: 1rem; }.form-section { display: grid; gap: .9rem; padding: 1rem 0; border-top: 1px solid var(--line); }.form-section:first-of-type { border-top: 0; padding-top: .25rem; }.form-section__title { margin: 0; font-size: 1rem; }
.form-field { display: grid; gap: .35rem; }.form-field label { color: #33434e; font-size: .87rem; font-weight: 800; }.form-field input, .form-field select, .form-field textarea { width: 100%; min-height: 2.85rem; padding: .65rem .75rem; border: 1px solid #cbd5da; border-radius: .65rem; outline: none; background: #fff; color: var(--ink); }.form-field textarea { min-height: 6rem; resize: vertical; }.form-field input:focus, .form-field select:focus, .form-field textarea:focus { border-color: #4c8587; box-shadow: 0 0 0 3px #cfe6e633; }.form-field input[type="checkbox"] { width: 1.05rem; min-height: auto; }.form-field .helptext { color: var(--muted); font-size: .78rem; }.checkbox-group { display: flex; align-items: center; gap: .6rem; }.checkbox-group label { order: 2; }.checkbox-group .helptext { grid-column: 1 / -1; }
.form-actions { display: flex; flex-wrap: wrap; gap: .65rem; padding-top: .25rem; }.form-actions .button { min-width: 8rem; }
.line-item { display: grid; gap: .75rem; padding: .9rem; border: 1px solid var(--line); border-radius: .8rem; background: var(--surface-soft); }.line-item .form-field { gap: .25rem; }.line-item .form-field label { font-size: .76rem; }.line-item .form-field textarea { min-height: 3.5rem; }
.form-error { margin: 0; color: var(--danger); font-weight: 700; }.helptext { color: var(--muted); font-size: .8rem; }

.auth-card { max-width: 28rem; margin: 8vh auto; padding: 1.5rem; border: 1px solid var(--line); border-radius: 1.1rem; background: var(--surface); box-shadow: var(--shadow); }.auth-card form { margin-top: 1.3rem; }.auth-card button { width: 100%; }
.secret, .uri { display: block; overflow-wrap: anywhere; padding: .75rem; border-radius: .65rem; background: var(--surface-soft); }.recovery-codes { columns: 2; }
.totp-qr { display: grid; width: min(100%, 16rem); aspect-ratio: 1; place-items: center; margin: 1.25rem auto; padding: .8rem; border: 1px solid var(--line); border-radius: .9rem; background: #fff; }.totp-qr svg { display: block; width: 100%; height: 100%; }.totp-qr + details { margin: 1rem 0; }.totp-qr + details summary { cursor: pointer; color: var(--brand); font-weight: 800; }.totp-qr + details code + code { margin-top: .6rem; }

.bottom-nav { position: fixed; z-index: 9; right: 0; bottom: 0; left: 0; display: grid; grid-template-columns: repeat(5, 1fr); padding: .45rem .35rem calc(.45rem + env(safe-area-inset-bottom)); border-top: 1px solid var(--line); background: rgba(255,255,255,.94); backdrop-filter: blur(16px); }
.bottom-nav a { display: grid; justify-items: center; gap: .1rem; padding: .38rem .1rem; color: var(--muted); font-size: .65rem; font-weight: 750; line-height: 1.25; text-decoration: none; }.bottom-nav a span { font-size: 1.12rem; line-height: 1; }.bottom-nav .nav-add { margin: -.8rem .22rem 0; padding-top: .5rem; border: 4px solid var(--canvas); border-radius: .9rem; background: var(--brand); color: #fff; box-shadow: 0 6px 16px #123e4630; }

@media (min-width: 640px) { .vehicle-hero { grid-template-columns: 1fr auto; padding: 2rem; }.vehicle-hero__mileage { grid-column: 1 / -1; }.quick-actions strong { font-size: .9rem; }.quick-actions small { display: block; }.metric-card { padding: 1.15rem; }.line-item { grid-template-columns: repeat(2, minmax(0, 1fr)); }.line-item .form-field:last-child:nth-child(odd) { grid-column: 1 / -1; } }
@media (min-width: 800px) { .site-header__inner, .page { width: min(1120px, calc(100% - 4rem)); }.desktop-nav { display: flex; }.page { padding-top: 2.25rem; padding-bottom: 2.5rem; }.bottom-nav { display: none; }.vehicle-hero { grid-template-columns: 1fr auto; }.vehicle-hero__mileage { grid-column: 1; }.quick-actions { grid-template-columns: repeat(3, minmax(0, 1fr)); }.quick-actions a { min-height: 7.2rem; text-align: left; }.quick-actions__icon { margin-right: auto; margin-left: 0; }.maintenance-card { padding: 1rem 1.1rem; }.metric-grid { gap: .85rem; }.form-card { padding: 1.75rem; }.form-section--two { grid-template-columns: repeat(2, minmax(0, 1fr)); } }