:root {
  --bg: #f3f5f9; --card: #fff; --text: #172033; --muted: #627086; --border: #dfe4ec; --border-strong: #c3cbd8;
  --accent: #1d4ed8; --accent-hover: #1a43b8; --accent-bg: #e8effd;
  --brand: #d3202f;
  --pass: #17794a; --pass-bg: #e2f5eb; --fail: #b42318; --fail-bg: #fdeceb; --na: #475467; --na-bg: #eceff3;
  --warn: #946000; --warn-bg: #fdf1d3; --radius: 8px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 1px 3px rgba(16, 24, 40, .06);
  --row-hover: #f7f9fc; --ring: rgba(29, 78, 216, .28);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f131a; --card: #171c26; --text: #e8ebf1; --muted: #9aa5b8; --border: #2a3140; --border-strong: #3a4458;
    --accent: #7ea2ff; --accent-hover: #9bb7ff; --accent-bg: #1d2a4a;
    --brand: #ef4b58;
    --pass: #5fd49a; --pass-bg: #14301f; --fail: #ff8b80; --fail-bg: #3a1a18; --na: #b0b8c6; --na-bg: #252b37;
    --warn: #f3c25c; --warn-bg: #382e12;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4); --row-hover: #1c2230; --ring: rgba(126, 162, 255, .35);
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; min-height: 100vh; font: 15px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif; background: var(--bg); color: var(--text); -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 24px; margin: 0 0 6px; font-weight: 650; letter-spacing: -.01em; }
h2 { font-size: 16px; margin: 0 0 12px; font-weight: 650; letter-spacing: -.005em; }
p { margin: 0 0 10px; }
.muted { color: var(--muted); font-size: 13px; }
.hidden { display: none !important; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------- header ---------- */
.topbar { background: var(--card); border-bottom: 1px solid var(--border); border-top: 3px solid var(--brand); position: sticky; top: 0; z-index: 5; box-shadow: var(--shadow); }
.topbar-inner { max-width: 1180px; margin: 0 auto; padding: 8px 24px; display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--text); font-weight: 650; }
.brand:hover { text-decoration: none; }
.brand img, .logo-chip img { display: block; }
.logo-chip { background: #fff; border-radius: 6px; padding: 4px 8px; line-height: 0; }
.brand-name { font-size: 15px; padding-left: 12px; border-left: 1px solid var(--border-strong); color: var(--muted); font-weight: 600; letter-spacing: .01em; }
.nav { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; }
.nav a { color: var(--muted); padding: 8px 12px; border-radius: 6px; font-weight: 500; font-size: 14px; }
.nav a:hover { background: var(--row-hover); color: var(--text); text-decoration: none; }
.nav a.active { color: var(--accent); background: var(--accent-bg); }
.userbox { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--muted); }
main { max-width: 1180px; margin: 0 auto; padding: 28px 24px 70px; }

/* ---------- cards and metrics ---------- */
.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 18px 20px; margin-bottom: 18px; box-shadow: var(--shadow); }
.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); margin-bottom: 18px; }
.metric { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 14px 18px; box-shadow: var(--shadow); border-top: 3px solid var(--accent); }
.metric:nth-child(2) { border-top-color: var(--fail); }
.metric:nth-child(3) { border-top-color: var(--warn); }
.metric:nth-child(4) { border-top-color: var(--pass); }
.metric .n { font-size: 30px; font-weight: 650; line-height: 1.15; letter-spacing: -.02em; }
.metric .l { font-size: 13px; color: var(--muted); margin-top: 2px; }
.row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.spread { justify-content: space-between; }
.grow { flex: 1; min-width: 0; }

/* ---------- controls ---------- */
button, .btn { font: inherit; font-size: 14px; font-weight: 500; padding: 7px 14px; border-radius: var(--radius); border: 1px solid var(--border-strong); background: var(--card); color: var(--text); cursor: pointer; display: inline-block; transition: background .12s, border-color .12s, box-shadow .12s; }
button:hover, .btn:hover { background: var(--row-hover); border-color: var(--muted); text-decoration: none; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; box-shadow: var(--shadow); }
button.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
@media (prefers-color-scheme: dark) { button.primary { color: #0b1020; } }
button.danger { color: var(--fail); }
button:disabled { opacity: .55; cursor: not-allowed; }
button.sm { padding: 3px 10px; font-size: 13px; }
input, select, textarea { font: inherit; font-size: 14px; padding: 8px 11px; border: 1px solid var(--border-strong); border-radius: var(--radius); background: var(--card); color: var(--text); width: 100%; transition: border-color .12s, box-shadow .12s; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--ring); }
input[type=radio], input[type=checkbox] { width: auto; }
input[type=file] { padding: 5px 8px; }
textarea { resize: vertical; }
label { font-size: 13px; font-weight: 500; color: var(--muted); display: block; margin-bottom: 4px; }
.field { margin-bottom: 14px; }
.formgrid { display: grid; gap: 12px 14px; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); align-items: end; }

/* ---------- tables ---------- */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); padding: 8px 12px; border-bottom: 1px solid var(--border-strong); white-space: nowrap; }
td { padding: 11px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tbody tr:hover { background: var(--row-hover); }
tr:last-child td { border-bottom: 0; }
.tablewrap { overflow-x: auto; }

/* ---------- badges and bars ---------- */
.badge { display: inline-block; font-size: 12px; font-weight: 500; padding: 2px 10px; border-radius: 999px; background: var(--na-bg); color: var(--na); white-space: nowrap; }
.badge.pass { background: var(--pass-bg); color: var(--pass); }
.badge.fail { background: var(--fail-bg); color: var(--fail); }
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.badge.accent { background: var(--accent-bg); color: var(--accent); }

.bar { display: flex; height: 8px; border-radius: 4px; overflow: hidden; background: var(--border); min-width: 90px; margin-top: 6px; }
.bar > i { display: block; height: 100%; }
.bar .p { background: var(--pass); } .bar .f { background: var(--fail); } .bar .n { background: var(--muted); }
.progress { height: 8px; border-radius: 4px; background: var(--border); margin: 12px 0 6px; }
.progress > div { height: 100%; border-radius: 4px; background: var(--accent); transition: width .2s; }

/* ---------- checklist ---------- */
.cat { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 22px 0 10px; padding-bottom: 6px; border-bottom: 1px solid var(--border); }
.item { border: 1px solid var(--border); border-radius: 10px; padding: 11px 14px; margin-bottom: 8px; background: var(--card); box-shadow: var(--shadow); }
.item.s-Pass { border-left: 4px solid var(--pass); }
.item.s-Fail { border-left: 4px solid var(--fail); }
.item.s-NA { border-left: 4px solid var(--muted); }
.item .text { flex: 1; min-width: 220px; }
.seg { display: inline-flex; gap: 6px; }
.seg button { min-width: 62px; }
.seg button.on-Pass { background: var(--pass-bg); color: var(--pass); border-color: var(--pass); }
.seg button.on-Fail { background: var(--fail-bg); color: var(--fail); border-color: var(--fail); }
.seg button.on-NA { background: var(--na-bg); color: var(--na); border-color: var(--muted); }
.failbox { margin-top: 10px; display: flex; flex-direction: column; gap: 8px; }
.thumbs { display: flex; gap: 8px; flex-wrap: wrap; }
.thumb { position: relative; width: 96px; height: 72px; border: 1px solid var(--border); border-radius: 6px; overflow: hidden; background: var(--bg); }
.thumb img { width: 100%; height: 100%; object-fit: cover; display: block; cursor: zoom-in; }
.thumb button { position: absolute; top: 2px; right: 2px; padding: 0 6px; font-size: 13px; line-height: 20px; }

/* ---------- messages ---------- */
.error { background: var(--fail-bg); color: var(--fail); border-radius: var(--radius); padding: 9px 12px; margin-bottom: 12px; font-size: 14px; }
.notice { background: var(--accent-bg); color: var(--accent); border-radius: var(--radius); padding: 9px 12px; margin-bottom: 12px; font-size: 14px; }
.toast { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%); background: var(--text); color: var(--bg); padding: 9px 18px; border-radius: var(--radius); font-size: 14px; z-index: 20; box-shadow: 0 6px 20px rgba(0, 0, 0, .25); }
.empty { text-align: center; padding: 32px 10px; color: var(--muted); }
.lightbox { position: fixed; inset: 0; background: rgba(0,0,0,.8); display: flex; align-items: center; justify-content: center; z-index: 30; cursor: zoom-out; padding: 20px; }
.lightbox img { max-width: 100%; max-height: 100%; border-radius: 6px; }

/* ---------- sign-in ---------- */
body:has(.login) { background: radial-gradient(1200px 500px at 50% -10%, var(--accent-bg), transparent 70%), var(--bg); }
.login { max-width: 400px; margin: 9vh auto 0; padding: 0 20px; }
.login-logo { display: flex; justify-content: center; margin-bottom: 18px; }
.login-logo .logo-chip { padding: 8px 16px; box-shadow: var(--shadow); border: 1px solid var(--border); }
.login-logo img { width: 135px; height: auto; }
.login .card { padding: 26px 26px 22px; border-top: 3px solid var(--brand); }
.login .card button.primary { width: 100%; padding: 9px 14px; }

/* ---------- misc ---------- */
.radio { display: flex; gap: 10px; align-items: flex-start; margin: 8px 0; cursor: pointer; color: var(--text); font-size: 14px; }
.radio input { margin-top: 4px; }
.item .badge { margin-left: 8px; }
.filters { gap: 10px; margin-bottom: 14px; flex-wrap: wrap; align-items: center; }
.filters input[type=search] { min-width: 240px; flex: 1 1 240px; width: auto; }
.filters select { width: auto; min-width: 150px; }
tr[hidden] { display: none; }
.filerow { padding: 8px 0; border-bottom: 1px solid var(--border); }
.filerow:last-of-type { border-bottom: 0; }
@media (max-width: 640px) {
  main { padding: 18px 12px 50px; }
  .topbar-inner { padding: 8px 12px; gap: 10px; }
  .brand-name { display: none; }
  .item .text { min-width: 100%; }
}