:root {
    --bg: #f7f6f2; --card: #fff; --line: #e4e2da; --text: #1f1f1e; --muted: #6b6a64;
    --accent: #185fa5; --on-accent: #fff;
    --info-bg: #e6f1fb; --info-fg: #0c447c; --ok-bg: #eaf3de; --ok-fg: #27500a; --bad-bg: #fcebeb; --bad-fg: #a32d2d;
    color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
    :root {
        --bg: #1c1c1c; --card: #2b2b2b; --line: #3a3a3a; --text: #f0efea; --muted: #a8a79f;
        --accent: #85b7eb; --on-accent: #042c53;
        --info-bg: #0c447c; --info-fg: #b5d4f4; --ok-bg: #27500a; --ok-fg: #c0dd97; --bad-bg: #791f1f; --bad-fg: #f7c1c1;
    }
}

* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.45 system-ui, "Segoe UI", Roboto, sans-serif; }
main { max-width: 640px; margin: 0 auto; padding: 12px 16px 48px; }
h1 { font-size: 1.4rem; margin: 12px 0 4px; }
a { color: var(--accent); }

.top { position: sticky; top: 0; background: var(--card); border-bottom: 1px solid var(--line); padding: 10px 16px; z-index: 1; }
.brand { display: flex; align-items: center; gap: 8px; color: var(--text); text-decoration: none; font-weight: 600; font-size: 1.1rem; }
.brand img { width: 28px; height: 28px; border-radius: 6px; }

.muted { color: var(--muted); font-size: .9rem; }
.mono { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; letter-spacing: .02em; }
.big { font-size: 1.15rem; font-weight: 600; }
.center { text-align: center; }
.hidden { display: none; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px; margin: 12px 0; }
.bar { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.row4 { display: grid; grid-template-columns: 1.2fr 1fr 1fr 1fr; gap: 8px; }

label { display: block; font-size: .9rem; color: var(--muted); margin: 8px 0; }
input, select { display: block; width: 100%; margin-top: 4px; padding: 12px; font: inherit; color: var(--text);
    background: var(--bg); border: 1px solid var(--line); border-radius: 10px; min-height: 48px; }
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

button, .button { display: inline-flex; align-items: center; justify-content: center; gap: 6px; font: inherit; font-weight: 600;
    border-radius: 10px; border: 1px solid var(--line); padding: 12px 16px; min-height: 48px; cursor: pointer; color: var(--text); background: var(--card); }
button.primary, .button.primary { width: 100%; text-decoration: none; margin-top: 12px; background: var(--accent); color: var(--on-accent); border: 0; font-size: 1.05rem; min-height: 54px; }
button.secondary, .button.secondary { width: 100%; margin-top: 4px; }
button.small, .button.small { width: auto; min-height: 40px; padding: 8px 12px; margin: 0; }
button.danger { width: 100%; background: var(--bad-bg); color: var(--bad-fg); border: 0; }
button.link { background: none; border: 0; padding: 0; min-height: 0; color: var(--accent); font-weight: 500; }
button:disabled { opacity: .6; }

.segmented { display: flex; gap: 6px; margin: 6px 0 10px; }
.segmented button { flex: 1; padding: 10px 6px; font-weight: 500; }
.segmented button.on { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }

.choices { display: grid; gap: 12px; margin-top: 16px; }
.choice { display: grid; gap: 4px; padding: 20px; background: var(--card); border: 1px solid var(--line); border-radius: 14px; text-decoration: none; color: var(--text); }
.choice-title { font-size: 1.2rem; font-weight: 600; color: var(--accent); }

.truck { display: grid; margin-bottom: 4px; }
.line { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 10px 0; border-top: 1px solid var(--line); color: var(--text); text-decoration: none; }
.card.line { border-top: 1px solid var(--line); padding: 14px; }

.code { font: 700 2.4rem/1.2 ui-monospace, Consolas, monospace; letter-spacing: .12em; margin: 6px 0; color: var(--accent); }
.pill { font-size: .8rem; padding: 3px 8px; border-radius: 6px; background: var(--line); white-space: nowrap; }
.pill.info { background: var(--info-bg); color: var(--info-fg); }
.pill.success { background: var(--ok-bg); color: var(--ok-fg); }
.pill.danger { background: var(--bad-bg); color: var(--bad-fg); }
.alert { padding: 12px; border-radius: 10px; margin: 12px 0; }
.alert.danger { background: var(--bad-bg); color: var(--bad-fg); }
details summary { cursor: pointer; color: var(--muted); }

#blazor-error-ui { display: none; position: fixed; bottom: 0; left: 0; right: 0; padding: 12px 16px; background: var(--bad-bg); color: var(--bad-fg); }
#blazor-error-ui .dismiss { float: right; cursor: pointer; }
.loading { display: grid; place-items: center; min-height: 60vh; color: var(--muted); }