:root {
    font-family: var(--font-sans);
    font-synthesis: none;
    color: #242424;
    background: #fafafa;
    --surface: #fff;
    --soft: #f2f2f2;
    --border: #ededed;
    --muted: #6b6b6b;
    --accent: #333;
    --button: #262626;
    --button-hover: #454545;
    --button-text: #fff;
    --input-border: #d0d0d0;
    --danger: #a43a38;
    --sidebar-width: 244px;
    --chart-line: #526589;
    --chart-fill: #526ba00c;
    --fc-border-color: var(--border);
    --fc-button-bg-color: var(--button);
    --fc-button-border-color: var(--button);
    --fc-button-text-color: var(--button-text);
    --fc-button-hover-bg-color: var(--button-hover);
    --fc-button-hover-border-color: var(--button-hover);
    --fc-button-active-bg-color: var(--button-hover);
    --fc-button-active-border-color: var(--button-hover);
    --fc-today-bg-color: #f0f0f0;
    --fc-page-bg-color: var(--surface);
    --fc-neutral-bg-color: var(--soft);
}
* { box-sizing: border-box; }
.section-gap { margin-top: 24px; }
.stack .check { flex-direction: row; align-items: center; gap: 10px; }
.check input[type=checkbox] { width: 20px; min-height: 20px; height: 20px; margin: 0; accent-color: var(--accent); }
hr { border: 0; border-top: 1px solid var(--border); margin: 26px 0; }
.share-list { list-style: none; padding: 0; margin: 14px 0; }
.share-list li { display: flex; justify-content: space-between; gap: 16px; padding: 8px 0; font-size: .9rem; }
.share-list li strong { margin: 0; white-space: nowrap; }
body { margin: 0; line-height: 1.55; }
a { color: inherit; text-underline-offset: 4px; }
a:hover { color: var(--accent); }
h1 { font-size: clamp(1.65rem, 4vw, 2rem); line-height: 1.2; letter-spacing: -.025em; margin: 8px 0 16px; font-weight: 500; }
h2 { font-size: 1.05rem; line-height: 1.4; font-weight: 500; margin: 0 0 14px; }
p { margin: 0 0 16px; }
small { font-size: .81rem; color: var(--muted); }
.muted { color: var(--muted); }
.eyebrow { font-size: .71rem; font-weight: 600; letter-spacing: .1em; color: var(--muted); text-transform: uppercase; margin: 0 0 12px; }
.site-header { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 16px max(24px, calc((100vw - 1160px)/2)); border-bottom: 1px solid var(--border); background: var(--surface); }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 600; font-size: 1.05rem; white-space: nowrap; }
.brand-logo { display: block; width: 20px; height: 22px; flex-shrink: 0; }
.account-controls { display: flex; align-items: center; gap: 20px; font-size: .85rem; }
.account-controls a { text-decoration: none; }
.profile-link { display: inline-flex; align-items: center; gap: 10px; min-width: 0; }
.profile-link > span:last-child { overflow-wrap: anywhere; min-width: 0; }
.avatar { display: block; width: 32px; height: 32px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.avatar-fallback { display: grid; place-items: center; background: var(--soft); color: var(--muted); font-size: .85rem; font-weight: 500; text-transform: uppercase; border: 1px solid var(--border); }
.profile-picture { display: flex; align-items: center; gap: 20px; }
.profile-picture .avatar { width: 80px; height: 80px; font-size: 1.8rem; }
.profile-picture h2 { margin-bottom: 6px; }
.profile-picture p { margin: 0; font-size: .85rem; }
.sidebar-account { display: none; }
.site-header form { margin: 0; }
main { width: min(1160px, 100%); margin: 0 auto; padding: 40px 24px 64px; }
.narrow { max-width: 640px; }
.auth { max-width: 440px; min-height: 80vh; padding-top: 10vh; }
.auth > .brand { margin-bottom: 48px; }
.auth-top { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 36px; }
.auth-back { font-size: .8rem; text-decoration: none; color: var(--muted); }
.auth h1 { font-size: 1.9rem; }
.auth > form { margin-top: 24px; }
.auth-switch { margin: 32px 0 0; font-size: .9rem; }
.page-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 16px; }
.page-heading .muted { margin-bottom: 0; }
.grid { display: grid; gap: 20px; }
.two-column { grid-template-columns: 1fr 1fr; }
.two-column > .card:only-child { grid-column: 1/-1; }
.groups-grid { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); margin-bottom: 28px; }
.compact { gap: 16px; }
.card { border: 1px solid var(--border); background: var(--surface); padding: 26px; border-radius: 16px; min-width: 0; box-shadow: 0 1px 2px #00000003; }
.group-card { text-decoration: none; transition: border-color .15s; }
.group-card:hover { border-color: var(--accent); }
.group-card h2 { margin: 24px 0 8px; }
.empty { grid-column: 1/-1; color: var(--muted); }
.stack { display: flex; flex-direction: column; gap: 18px; }
.stack label { display: flex; flex-direction: column; gap: 7px; font-size: .87rem; font-weight: 500; }
.stack label small { font-weight: 400; }
input, textarea, select { font: inherit; font-weight: 400; font-size: 1rem; min-height: 46px; width: 100%; padding: 10px 12px; border: 1px solid var(--input-border); border-radius: 10px; background: var(--surface); color: inherit; }
textarea { resize: vertical; }
input[type=file] { padding: 8px; font-size: .875rem; }
input[type=file]::file-selector-button { min-height: 28px; padding: 4px 10px; margin-right: 10px; border: 0; border-radius: 6px; font: inherit; background: var(--soft); color: inherit; cursor: pointer; }
input[type=color] { width: 76px; padding: 5px; }
input:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 2px; }
button, .button { font: inherit; font-size: .9rem; font-weight: 500; display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 10px 18px; border-radius: 10px; border: 1px solid var(--button); background: var(--button); color: var(--button-text); text-decoration: none; cursor: pointer; text-align: center; box-shadow: 0 2px 4px #00000008; }
button:hover, .button:hover { background: var(--button-hover); border-color: var(--button-hover); color: var(--button-text); }
button:focus-visible, a:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.secondary { background: var(--surface); border-color: var(--input-border); color: inherit; }
.secondary:hover { background: var(--soft); border-color: var(--input-border); color: inherit; }
.danger, .danger:hover { color: var(--danger); }
.text-button { border: 0; background: none; color: var(--muted); padding: 0; min-height: 40px; font-weight: 400; box-shadow: none; }
.text-button:hover { background: none; color: var(--accent); }
.pill { display: inline-block; border-radius: 50px; background: var(--soft); color: var(--muted); padding: 5px 12px; font-size: .77rem; }
.group-nav { display: flex; gap: 8px; flex-wrap: wrap; margin: 20px 0 28px; }
.group-nav a { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; font-size: .9rem; color: var(--muted); padding: 9px 14px; border-radius: 10px; border: 1px solid transparent; }
.group-nav a[aria-current=page] { background: var(--surface); border-color: var(--border); color: inherit; box-shadow: 0 1px 2px #0000000d; }
.group-nav a:hover { color: inherit; background: var(--soft); }
.group-nav svg { width: 21px; height: 21px; flex-shrink: 0; stroke: currentColor; stroke-width: 1.6; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.nav-group, .nav-all-groups { display: none !important; }
.notice { background: #faf0e3; border: 1px solid #eddfca; border-radius: 12px; padding: 14px 16px; font-size: .9rem; margin-bottom: 22px; color: #6e4c1a; }
.notice.success { color: inherit; background: var(--soft); border-color: var(--border); }
.vehicle-hero { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: 20px; padding: 32px; }
.status-label { font-size: 1.5rem; font-weight: 500; letter-spacing: -.02em; }
.status-dot, .person-dot { display: inline-block; flex-shrink: 0; width: 10px; height: 10px; border-radius: 50%; background: #555; margin-right: 8px; }
.status-dot.busy { background: #999; }
.vehicle-hero .muted { margin: 10px 0; }
.car-mark { display: grid; flex-shrink: 0; place-items: center; color: var(--muted); background: var(--soft); border-radius: 22px; width: 90px; height: 90px; }
.car-mark svg { width: 48px; height: 48px; }
.stats { grid-template-columns: repeat(3, 1fr); margin-bottom: 20px; }
.stat { font-size: 2rem; letter-spacing: -.025em; margin: 0; }
.stat small { margin-left: 8px; font-size: .95rem; }
.fuel-level { height: 6px; background: var(--border); border-radius: 20px; margin: 14px 0 10px; overflow: hidden; }
.fuel-level span { display: block; height: 100%; border-radius: inherit; background: var(--muted); }
.fuel-note { display: block; margin-top: 8px; overflow-wrap: anywhere; }
.last-fueling { margin-bottom: 20px; }
.mileage-card { margin-bottom: 20px; }
.mileage-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.mileage-heading h2 { margin-bottom: 4px; }
.mileage-heading p { margin: 0; }
.mileage-total { white-space: nowrap; font-size: .85rem; color: var(--muted); }
.mileage-total strong { font-size: 1.8rem; font-weight: 500; letter-spacing: -.025em; color: var(--accent); }
.mileage-note { font-size: .8rem; margin: 12px 0 24px; }
.mileage-plot { display: grid; grid-template-columns: 46px minmax(0, 1fr); gap: 12px 0; padding-top: 8px; }
.mileage-scale { height: 180px; display: flex; flex-direction: column; justify-content: space-between; color: var(--muted); font-size: 11px; line-height: 1; padding-right: 10px; text-align: right; }
.mileage-scale span { transform: translateY(-50%); }
.mileage-scale span:last-child { transform: translateY(50%); }
.mileage-graph { display: block; width: 100%; height: 180px; overflow: visible; }
.mileage-grid { fill: none; stroke: var(--border); stroke-width: 1; }
.mileage-area { fill: var(--chart-fill); }
.mileage-line { fill: none; stroke: var(--chart-line); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.mileage-dates { grid-column: 2; display: flex; justify-content: space-between; gap: 8px; color: var(--muted); font-size: 11px; }
.mileage-legend { display: flex; gap: 8px; align-items: center; margin: 18px 0 12px 46px; color: var(--muted); font-size: .75rem; }
.mileage-legend > span:first-child { width: 18px; height: 2px; background: var(--chart-line); }
.mileage-details { margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--border); font-size: .8rem; }
.mileage-details summary { cursor: pointer; }
.mileage-details table { border-collapse: collapse; width: 100%; margin-top: 16px; }
.mileage-details th, .mileage-details td { border-bottom: 1px solid var(--border); padding: 7px 0; text-align: left; }
.mileage-details tbody th { font-weight: 400; }
.mileage-details th:last-child, .mileage-details td { text-align: right; }
.mileage-details caption { text-align: left; margin-bottom: 8px; }
.last-fueling p { margin-bottom: 10px; }
.booking-row { display: flex; align-items: center; gap: 10px; padding: 16px 0; border-bottom: 1px solid var(--border); text-decoration: none; font-size: .9rem; }
.booking-row > span:nth-child(2) { flex: 1; }
.booking-row small { display: block; line-height: 1.6; }
.booking-row strong { font-weight: 600; }
.secondary-link { display: inline-block; margin-top: 18px; font-size: .87rem; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.actions form { margin: 0; }
.member-row { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; padding: 18px 0; border-bottom: 1px solid var(--border); }
.member-row small { display: block; margin-left: 22px; }
.membership-note { margin: 24px 0 0; }
.member-row button { font-size: .78rem; padding: 8px 10px; }
.join-code { display: block; background: var(--soft); padding: 16px; border-radius: 10px; font-size: 1.1rem; letter-spacing: .05em; overflow-wrap: anywhere; margin-bottom: 20px; }
dl { margin: 0 0 20px; display: grid; grid-template-columns: auto 1fr; gap: 12px 20px; font-size: .9rem; }
dt { color: var(--muted); }
dd { margin: 0; text-align: right; overflow-wrap: anywhere; }
.notes { white-space: pre-wrap; overflow-wrap: anywhere; }
.audit-row { padding: 18px 0; border-bottom: 1px solid var(--border); }
.audit-row strong { display: block; font-size: .9rem; margin: 4px 0; }
.audit-row p { font-size: .85rem; color: var(--muted); margin: 0; overflow-wrap: anywhere; }
.calendar-card { padding: 22px; }
.fc { font-size: .87rem; }
.fc .fc-toolbar-title { font-size: 1.15rem; font-weight: 600; }
.fc .fc-button { font-family: inherit; font-size: .8rem; border-radius: 8px; padding: 8px 10px; }
.fc .fc-col-header-cell-cushion, .fc .fc-daygrid-day-number { text-decoration: none; }
.fc .fc-daygrid-event { border-radius: 5px; padding: 2px; }
.fc .fc-list-event:hover td { background: var(--soft); }
[hidden] { display: none !important; }
.demo-badge { font-size: .75rem; color: var(--muted); }
.demo-note { margin: 24px 0 0; font-size: .8rem; color: var(--muted); }
body.demo-body main { min-height: 0; }
html:has(body.demo-excerpt) { background: #fff; color-scheme: light; }
body.demo-excerpt { background: #fff; padding: 0; }
body.demo-excerpt main { padding: 0; width: 100%; }
body.demo-excerpt .card { box-shadow: 0 2px 8px #00000008; }
body.demo-excerpt .groups-grid { margin-bottom: 0; grid-template-columns: 1fr; }
body.demo-excerpt .groups-grid dl { grid-template-columns: auto 1fr; }
body.demo-excerpt .groups-grid dd { text-align: right; margin-top: 0; }
body.demo-body .site-header { flex-wrap: wrap; }
@media (min-width: 1000px) {
    body:has(.group-nav) { background: var(--surface); padding: 0; }
    body:has(.group-nav) .site-header { position: absolute; margin: 0; border: 0; padding: 0; min-height: 0; }
    body:has(.group-nav) .header-account { display: none; }
    body:has(.group-nav) .site-header .brand { position: fixed; left: 24px; top: 22px; z-index: 2; }
    body:has(.group-nav) main { margin: 0 0 0 var(--sidebar-width); width: auto; min-height: 100vh; background: transparent; border: 0; border-radius: 0; padding: 32px; }
    .group-nav { position: fixed; top: 0; bottom: 0; left: 0; width: var(--sidebar-width); margin: 0; padding: 98px 16px 24px; flex-direction: column; flex-wrap: nowrap; gap: 4px; background: #f7f7f7; border: 0; border-right: 1px solid var(--border); border-radius: 0; overflow-y: auto; }
    .group-nav a { min-height: 44px; flex-shrink: 0; }
    .nav-group { display: block !important; padding: 0 14px; margin: 0 0 18px; font-size: .8rem; color: var(--muted); overflow-wrap: anywhere; }
    .sidebar-account { display: block; margin-top: auto; padding-top: 18px; border-top: 1px solid var(--border); }
    .sidebar-account .account-controls { align-items: stretch; flex-direction: column; gap: 2px; }
    .sidebar-account .language-switch { align-self: flex-start; padding: 0 14px; margin-bottom: 8px; }
    .sidebar-account a { min-height: 38px; overflow-wrap: anywhere; }
    .sidebar-account .profile-link { flex-direction: row-reverse; justify-content: space-between; }
    .sidebar-account .profile-link > span:last-child { flex: 1; }
    .sidebar-account form { margin: 0; }
    .sidebar-account .text-button { width: 100%; justify-content: flex-start; padding: 0 14px; }
    .sidebar-account .demo-badge { padding: 0 14px; line-height: 1.6; }
}
@media (max-width: 760px) {
    .two-column { grid-template-columns: 1fr; }
    .stats { grid-template-columns: 1fr 1fr; }
    .stats .card:last-child { grid-column: 1/-1; }
    .site-header { padding: 14px 18px; gap: 12px; }
    .header-account .account-controls { gap: 12px; flex-wrap: wrap; justify-content: flex-end; }
    .header-account .account-controls > a:first-of-type { display: none; }
    main { padding: 28px 18px 48px; }
    .card { padding: 22px; }
    .page-heading { align-items: flex-start; flex-direction: column; gap: 12px; }
    .page-heading h1 { margin-bottom: 0; }
    .page-heading .button { width: 100%; }
    .vehicle-hero { padding: 24px; }
    .car-mark { width: 56px; height: 56px; border-radius: 16px; }
    .car-mark svg { width: 36px; height: 36px; }
    .status-label { font-size: 1.2rem; }
    .group-nav { gap: 3px; }
    .group-nav a { padding: 8px 12px; }
    .group-nav svg { display: none; }
    .group-nav { flex-wrap: nowrap; overflow-x: auto; padding: 2px 2px 8px; scrollbar-width: none; }
    .group-nav::-webkit-scrollbar { display: none; }
    .group-nav a { flex-shrink: 0; }
    .calendar-card { padding: 12px; }
    .fc .fc-list-event-time { white-space: normal; }
    .fc .fc-list-event-time, .fc .fc-list-event-title { padding: 8px 10px; }
    .fc .fc-list-event-title { overflow-wrap: anywhere; }
    .fc .fc-list-event-graphic { padding-left: 10px; }
    .fc .fc-toolbar { align-items: flex-start; gap: 12px; flex-direction: column; }
    .fc .fc-toolbar-chunk:nth-child(2) { order: -1; }
    .fc .fc-daygrid-day-frame { min-height: 70px; }
    .auth { padding-top: 8vh; }
    .compact.two-column { grid-template-columns: 1fr 1fr; }
    dl { grid-template-columns: 1fr; }
    dd { text-align: left; margin-top: -8px; }
    .groups-grid dl { grid-template-columns: auto 1fr; }
    .groups-grid dd { text-align: right; margin-top: 0; }
}
@media (max-width: 360px) {
    .stats, .groups-grid { grid-template-columns: minmax(0, 1fr); }
    .stats .card:last-child { grid-column: auto; }
}
@media (prefers-color-scheme: dark) {
    .brand-logo { filter: invert(1); }
    :root:not(:has(body.demo-excerpt)) {
        color: #ececec;
        background: #212121;
        --surface: #282828;
        --soft: #333;
        --border: #404040;
        --muted: #aaa;
        --accent: #eee;
        --button: #ececec;
        --button-hover: #d5d5d5;
        --button-text: #202020;
        --input-border: #555;
        --danger: #f29f99;
        --chart-line: #aebedd;
        --chart-fill: #aebedd12;
        --fc-today-bg-color: #333;
    }
    .status-dot { background: #bbb; }
    .status-dot.busy { background: #777; }
    .notice { background: #403628; color: #edce9e; border-color: #5b4b36; }
    .notice.success { color: inherit; background: var(--soft); border-color: var(--border); }
    body:has(.group-nav) { background: #1c1c1c; }
    .group-nav { background: #242424; border-color: var(--border); }
}
/* Same components and appearance; natural document height inside the preview frame. */
@media (min-width: 1000px) {
    body.demo-body main { min-height: 0; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}
.group-nav a[aria-disabled=true] { cursor: default; }
.group-nav a[aria-disabled=true]:hover { color: var(--muted); background: transparent; }
.language-switch { display: inline-flex; align-items: center; gap: 6px; font-size: .75rem; white-space: nowrap; }
.language-switch .language-divider { color: var(--muted); }

.vehicle-picture { width: min(45%, 300px); height: auto; aspect-ratio: 8 / 5; object-fit: cover; border-radius: 12px; }
.vehicle-image-settings { margin: 16px 0 20px; padding: 18px 24px; }
.vehicle-image-settings summary { cursor: pointer; font-size: 14px; }
.vehicle-image-settings form { margin-top: 20px; }
.language-switch a { color: inherit; text-decoration: none; padding: 4px 2px; }
.language-switch a[aria-current="true"] { font-weight: 700; }
@media (max-width: 640px) { .vehicle-hero:has(.vehicle-picture) { flex-wrap: wrap; } .vehicle-picture { width: 100%; max-width: 360px; } }


.group-nav .language-switch a { min-height: 28px; padding: 4px 2px; border: 0; border-radius: 4px; font-size: inherit; }
.auth-top { flex-wrap: wrap; }
.auth-top > .language-switch { order: 3; flex-basis: 100%; }
.chat-board { max-width: 900px; }
.chat-update-status { font-size: .8rem; margin: 0 0 20px; }
.chat-timeline { display: flex; flex-direction: column; gap: 16px; }
.chat-message-heading { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px 20px; }
.chat-author { display: flex; align-items: center; gap: 8px; min-width: 0; }
.chat-author strong { font-size: .9rem; font-weight: 500; overflow-wrap: anywhere; min-width: 0; }
.chat-author .person-dot { width: 8px; height: 8px; margin: 0; }
.chat-author .pill { padding: 2px 7px; font-size: .7rem; }
.chat-message-heading time { font-size: .75rem; color: var(--muted); }
.chat-message-body { white-space: pre-wrap; overflow-wrap: anywhere; margin: 18px 0 0; font-size: .95rem; }
.chat-edited { display: block; margin-top: 10px; font-size: .73rem; }
.chat-actions { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 12px; align-items: start; margin-top: 18px; padding-top: 10px; border-top: 1px solid var(--border); }
.chat-editor summary { font-size: .8rem; color: var(--muted); cursor: pointer; padding: 10px 0; }
.chat-editor form { margin-top: 12px; }
.chat-delete { margin: 0; grid-column: 2; }
.chat-delete button { font-size: .8rem; }
.chat-compose { margin-top: 28px; }
.chat-compose-actions { display: flex; justify-content: flex-end; }
.chat-permissions { margin: 22px 0 0; font-size: .78rem; }
.chat-pagination { display: flex; gap: 24px; flex-wrap: wrap; margin-bottom: 20px; }
.chat-pagination a { margin: 0; }
.chat-empty p { margin: 0; }
@media (max-width: 640px) {
    .chat-editor[open] { grid-column: 1/-1; }
    .chat-editor[open] + .chat-delete { grid-column: 1/-1; }
    .chat-compose-actions button { width: 100%; }
    .chat-message { padding: 20px; }
    .chat-editor .actions { align-items: stretch; }
    .chat-editor .actions > * { flex: 1; }
    body:has(.chat-board) .page-heading { flex-wrap: wrap; }
}