:root {
    --bg: #f4f5f2;
    --surface: #ffffff;
    --surface-2: #f0f2ee;
    --text: #1b211d;
    --muted: #5d6860;
    --line: #dde1da;
    --accent: #0b7a5c;
    --accent-text: #ffffff;
    --accent-soft: #e2f3ec;
    --warn: #8a5a00;
    --warn-soft: #fdf1d6;
    --bad: #b3261e;
    --bad-soft: #fbe4e2;
    --ok: #0b7a5c;
    --radius: 10px;
    --mono: ui-monospace, "Cascadia Mono", "SF Mono", Menlo, Consolas, monospace;
    color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #111512;
        --surface: #1a1f1b;
        --surface-2: #222923;
        --text: #e7ece7;
        --muted: #9aa69d;
        --line: #2e3630;
        --accent: #3fc79c;
        --accent-text: #06231a;
        --accent-soft: #15332a;
        --warn: #f0c060;
        --warn-soft: #3a2e12;
        --bad: #ff8a80;
        --bad-soft: #3d1c1a;
        --ok: #3fc79c;
    }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

h1, h2, h3 { margin: 0; line-height: 1.25; }
h1 { font-size: 18px; font-weight: 650; }
h2 { font-size: 16px; font-weight: 650; }
h3 { font-size: 13px; font-weight: 650; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
p { margin: 0; }
a { color: var(--accent); }
code, .mono { font-family: var(--mono); font-size: .92em; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.loading { padding: 48px 16px; text-align: center; color: var(--muted); }

/* ---- frame ---- */

header.bar {
    position: sticky; top: 0; z-index: 5;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
}
.bar-inner {
    max-width: 1180px; margin: 0 auto; padding: 10px 16px;
    display: flex; align-items: center; gap: 8px 20px; flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 10px; margin-right: auto; }
nav { display: flex; gap: 2px; flex-wrap: wrap; }
nav button {
    border: 0; background: none; color: var(--muted); font: inherit; font-weight: 550;
    padding: 7px 12px; border-radius: 8px; cursor: pointer;
}
nav button:hover { background: var(--surface-2); color: var(--text); }
nav button[aria-current="page"] { background: var(--accent-soft); color: var(--accent); }

main { max-width: 1180px; margin: 0 auto; padding: 20px 16px 64px; display: grid; gap: 16px; }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 330px), 1fr)); align-items: start; }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; display: grid; gap: 12px; min-width: 0; }
.card > header { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
/* A holder that is redrawn in place; the card inside it is what the grid lays out. */
.slot { display: contents; }
.row { display: flex; align-items: center; gap: 8px 10px; flex-wrap: wrap; }
.stack { display: grid; gap: 10px; }
.spread { justify-content: space-between; }

/* ---- controls ---- */

button, .button {
    font: inherit; font-weight: 550; cursor: pointer;
    padding: 7px 14px; border-radius: 8px; border: 1px solid var(--line);
    background: var(--surface); color: var(--text); text-decoration: none; display: inline-block;
}
button:hover, .button:hover { background: var(--surface-2); }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
button.primary:hover { filter: brightness(1.08); background: var(--accent); }
button.danger { color: var(--bad); border-color: color-mix(in srgb, var(--bad) 40%, var(--line)); }
button.danger:hover { background: var(--bad-soft); }
button.link { border: 0; background: none; padding: 2px 4px; color: var(--accent); }
button:disabled { opacity: .55; cursor: default; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

input, select, textarea {
    font: inherit; color: var(--text); background: var(--surface);
    border: 1px solid var(--line); border-radius: 8px; padding: 7px 10px; min-width: 0;
}
input[type="checkbox"] { width: 17px; height: 17px; accent-color: var(--accent); }
input[type="number"] { width: 110px; }
label.field { display: grid; gap: 4px; font-weight: 550; }
label.field > .help, .help { font-weight: 400; color: var(--muted); font-size: 13px; }
label.check { display: flex; gap: 9px; align-items: center; font-weight: 550; }

/* ---- status ---- */

.pill {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 2px 10px; border-radius: 999px; font-size: 13px; font-weight: 600;
    background: var(--surface-2); color: var(--muted); white-space: nowrap;
}
.pill::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.pill.ok { background: var(--accent-soft); color: var(--ok); }
.pill.warn { background: var(--warn-soft); color: var(--warn); }
.pill.bad { background: var(--bad-soft); color: var(--bad); }
.pill.plain::before { display: none; }

.notice { padding: 10px 12px; border-radius: 8px; background: var(--warn-soft); color: var(--warn); font-size: 14px; }
.notice.bad { background: var(--bad-soft); color: var(--bad); }
.notice.ok { background: var(--accent-soft); color: var(--ok); }

.qr { display: grid; gap: 12px; justify-items: start; }
.qr img { width: 260px; height: 260px; border-radius: 8px; background: #fff; padding: 6px; border: 1px solid var(--line); image-rendering: pixelated; }
.qr ol { margin: 0; padding-left: 20px; }

.meter { display: grid; gap: 3px; }
.meter .row { justify-content: space-between; font-size: 14px; }
progress { width: 100%; height: 8px; appearance: none; border: 0; border-radius: 99px; overflow: hidden; background: var(--surface-2); }
progress::-webkit-progress-bar { background: var(--surface-2); }
progress::-webkit-progress-value { background: var(--accent); border-radius: 99px; }
progress::-moz-progress-bar { background: var(--accent); }
progress.high::-webkit-progress-value { background: var(--warn); }
progress.high::-moz-progress-bar { background: var(--warn); }

dl.facts { display: grid; grid-template-columns: auto 1fr; gap: 4px 16px; margin: 0; }
dl.facts dt { color: var(--muted); }
dl.facts dd { margin: 0; overflow-wrap: anywhere; }

/* ---- tables ---- */

.table-wrap { overflow-x: auto; margin: 0 -18px -18px; border-top: 1px solid var(--line); }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; font-weight: 650; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); white-space: nowrap; background: var(--surface-2); }
th:first-child, td:first-child { padding-left: 18px; }
th:last-child, td:last-child { padding-right: 18px; }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
td.nowrap { white-space: nowrap; }
td.body { min-width: 220px; max-width: 460px; overflow-wrap: anywhere; white-space: pre-wrap; }
td.empty { text-align: center; color: var(--muted); padding: 28px 12px; }
tr.off td { color: var(--muted); }
.dir { font-weight: 700; }
.dir.in { color: var(--accent); }

/* ---- dialogs ---- */

dialog {
    border: 1px solid var(--line); border-radius: 12px; background: var(--surface); color: var(--text);
    padding: 22px; width: min(480px, calc(100vw - 32px)); box-shadow: 0 18px 50px rgb(0 0 0 / .25);
}
dialog::backdrop { background: rgb(0 0 0 / .45); }
dialog form, dialog > .stack { display: grid; gap: 14px; }
dialog .actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 4px; }

dialog img.photo { max-width: 100%; max-height: 62vh; justify-self: center; border-radius: 8px; background: var(--surface-2); }

.secret { display: flex; gap: 8px; }
.secret input { flex: 1; font-family: var(--mono); font-size: 13px; }

/* ---- enrolment ---- */

.enrol { max-width: 440px; margin: 9vh auto 0; padding: 0 16px; }
.enrol .card { gap: 16px; padding: 24px; }
.enrol input { font-family: var(--mono); font-size: 17px; letter-spacing: .04em; text-transform: uppercase; padding: 10px 12px; }

.settings-group { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); align-items: start; }
.settings-group .wide { grid-column: 1 / -1; }
.unit { color: var(--muted); font-weight: 400; margin-left: 6px; }

@media (max-width: 560px) {
    .bar-inner { padding: 8px 12px; }
    main { padding: 14px 12px 48px; }
    nav button { padding: 6px 9px; }
}