@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@400;500;600;700;800&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --bg: #F1F3F5; --surface: #FFFFFF; --surface-sunken: #E9ECF0; --border: #D9DEE4;
  --heading: #16233F; --ink: #29344A; --muted: #6E7889; --faint: #9AA3B0;
  --navy: #1B2A4E; --navy-2: #2C3E64; --navy-ink: #FFFFFF; --steel: #8D98A6;
  --good: #2F7D5E; --warn: #A9762A; --critical: #AE3B3B; --critical-soft: #F5E4E4; --good-soft: #E3F1EA; --off: #C3CAD3;
  --shadow: 0 1px 2px rgba(22,35,63,.06), 0 18px 40px -20px rgba(22,35,63,.25);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0D1420; --surface: #131C2B; --surface-sunken: #0F1725; --border: #22304A;
    --heading: #EAEFF7; --ink: #C9D2E0; --muted: #8493AA; --faint: #5C6C86;
    --navy: #8FA6D6; --navy-2: #A8BCE3; --navy-ink: #0D1420; --steel: #7C8A9E;
    --good: #5FB88C; --warn: #D3A75B; --critical: #E08080; --critical-soft: #2E1B1B; --good-soft: #14302A; --off: #3A465E;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 18px 40px -20px rgba(0,0,0,.7);
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--ink); font-family: 'Archivo', system-ui, sans-serif; font-size: 14px; line-height: 1.5; }
.mono { font-family: 'IBM Plex Mono', monospace; font-variant-numeric: tabular-nums; }
a { color: var(--navy-2); }
[hidden] { display: none !important; }
.wrap { max-width: 980px; margin: 0 auto; padding: 0 28px 70px; }

/* top bar */
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 18px 0 14px; border-bottom: 2px solid var(--navy); }
.brand { display: flex; align-items: center; gap: 12px; color: var(--heading); text-decoration: none; }
.brand-mark { flex: none; color: var(--navy); }
.brand-word { font-weight: 800; font-size: 17px; letter-spacing: 0.06em; line-height: 1; }
.brand-word span { font-weight: 500; color: var(--steel); }
.brand-sub { font-size: 10px; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); margin-top: 4px; }
.who { display: flex; align-items: center; gap: 14px; font-size: 13px; }
.who .name { font-weight: 600; color: var(--heading); }
.textlink { color: var(--muted); text-decoration: none; cursor: pointer; background: none; border: none; font: inherit; padding: 0; }
.textlink:hover { color: var(--heading); }
.avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--navy); color: var(--navy-ink); font-weight: 700; font-size: 12px; letter-spacing: 0.04em; display: flex; align-items: center; justify-content: center; }

.btn { display: inline-flex; align-items: center; gap: 7px; padding: 9px 15px; border: 1.5px solid var(--navy); border-radius: 6px; font-size: 12.5px; font-weight: 600; color: var(--navy); background: transparent; cursor: pointer; letter-spacing: 0.01em; font-family: inherit; text-decoration: none; }
.btn:hover { background: var(--navy); color: var(--navy-ink); }
.btn.solid { background: var(--navy); color: var(--navy-ink); }
.btn.solid:hover { background: var(--navy-2); border-color: var(--navy-2); }
.btn.lg { padding: 13px 22px; font-size: 14px; }
.btn.danger { border-color: var(--critical); color: var(--critical); }
.btn.danger:hover { background: var(--critical); color: #fff; }
.btn:disabled { opacity: .5; cursor: default; }
.btn input[type="file"] { display: none; }

/* landing */
.hero { position: relative; display: grid; grid-template-columns: 1.15fr 1fr; gap: 48px; align-items: center; padding: 64px 0 56px; }
.hero .eyebrow { margin-bottom: 14px; }
.hero h1 { font-weight: 800; font-size: 46px; line-height: 1.04; letter-spacing: -0.02em; color: var(--heading); margin: 0; text-wrap: balance; }
.hero .lede { font-size: 16px; color: var(--muted); margin: 20px 0 0; max-width: 46ch; }
.hero .ctas { display: flex; gap: 12px; margin-top: 28px; flex-wrap: wrap; align-items: center; }
.hero .hint { font-size: 12px; color: var(--faint); margin-top: 14px; }
.hero .hint b { color: var(--ink); font-weight: 600; }
.watermark { position: absolute; right: -40px; top: -20px; width: 360px; height: 360px; color: var(--navy); opacity: .05; pointer-events: none; }
.preview .ptab { display: inline-block; font-size: 10px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); background: var(--surface-sunken); border: 1px solid var(--border); border-bottom: none; border-radius: 8px 8px 0 0; padding: 8px 14px; margin-left: 12px; }
.preview .paper { background: var(--surface); border: 1px solid var(--border); border-radius: 0 10px 10px 10px; padding: 20px 22px; box-shadow: var(--shadow); }
.preview .pname { font-weight: 700; color: var(--heading); font-size: 15px; }
.preview .psub { font-size: 11.5px; color: var(--faint); margin-top: 1px; }
.prow { display: grid; grid-template-columns: 46px 1fr auto; gap: 12px; align-items: center; padding: 11px 0; border-top: 1px solid var(--border); font-size: 12.5px; }
.prow:first-of-type { margin-top: 14px; }
.prow .t { font-weight: 600; color: var(--heading); }
.prow .d { font-size: 11px; color: var(--faint); }
.eyebrow { font-size: 10.5px; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--faint); margin: 0 0 6px; }
.section { padding: 44px 0; border-top: 1px solid var(--border); }
.section h2 { font-weight: 800; font-size: 26px; letter-spacing: -0.015em; color: var(--heading); margin: 0 0 8px; text-wrap: balance; }
.section .lede { color: var(--muted); font-size: 14.5px; margin: 0; max-width: 60ch; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; margin-top: 32px; }
.step .num { font-family: 'IBM Plex Mono', monospace; font-size: 12px; color: var(--navy); font-weight: 500; }
.step .rule { height: 2px; background: var(--navy); width: 28px; margin: 8px 0 12px; }
.step h3 { font-size: 15px; font-weight: 700; color: var(--heading); margin: 0 0 6px; }
.step p { margin: 0; font-size: 13px; color: var(--muted); }
.checks { margin-top: 28px; border-top: 1px solid var(--border); }
.checkrow { display: grid; grid-template-columns: 64px 220px 1fr; gap: 20px; padding: 16px 0; border-bottom: 1px solid var(--border); align-items: start; }
.checkrow .t { font-weight: 700; color: var(--heading); font-size: 14px; }
.checkrow ul { margin: 0; padding-left: 16px; font-size: 13px; color: var(--muted); }
.checkrow li { margin-bottom: 2px; }
.points { margin-top: 20px; display: grid; gap: 14px; max-width: 62ch; }
.point { display: grid; grid-template-columns: 18px 1fr; gap: 10px; font-size: 13.5px; color: var(--ink); }
.point svg { margin-top: 3px; color: var(--good); }
.point b { font-weight: 600; color: var(--heading); }
.wording { background: var(--surface); border: 1px solid var(--border); border-left: 3px solid var(--navy); border-radius: 0 8px 8px 0; padding: 18px 20px; }
.wording .lbl { font-size: 10px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--faint); }
.wording .txt { font-family: 'IBM Plex Mono', monospace; font-size: 13.5px; color: var(--heading); margin-top: 8px; line-height: 1.6; }
.wording .note { font-size: 12px; color: var(--muted); margin-top: 10px; }
.band { margin-top: 14px; background: var(--navy); color: var(--navy-ink); border-radius: 10px; padding: 36px 40px; display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.band h2 { font-weight: 800; font-size: 24px; margin: 0 0 4px; letter-spacing: -0.01em; }
.band p { margin: 0; opacity: .75; font-size: 14px; }
.band .btn { border-color: var(--navy-ink); color: var(--navy-ink); background: transparent; }
.band .btn:hover { background: var(--navy-ink); color: var(--navy); }
.foot { margin-top: 40px; padding-top: 18px; border-top: 1px solid var(--border); display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; font-size: 12px; color: var(--faint); }
.foot a { color: var(--faint); text-decoration: none; }

/* auth */
.auth { max-width: 460px; margin: 56px auto 0; }
.auth .ptab { display: inline-block; font-size: 10px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); background: var(--surface-sunken); border: 1px solid var(--border); border-bottom: none; border-radius: 8px 8px 0 0; padding: 8px 14px; margin-left: 12px; text-decoration: none; }
.auth .ptab.active { background: var(--surface); color: var(--heading); position: relative; top: 1px; }
.auth .paper { background: var(--surface); border: 1px solid var(--border); border-radius: 0 10px 10px 10px; padding: 26px 28px; box-shadow: var(--shadow); }
.auth h2 { font-weight: 800; font-size: 22px; color: var(--heading); margin: 0 0 4px; }
.auth .lede { color: var(--muted); font-size: 13px; margin: 0 0 20px; }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 10.5px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--faint); margin-bottom: 6px; }
.field input, .field select { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 6px; background: var(--surface); color: var(--ink); font: inherit; font-size: 14px; }
.field input:focus, .field select:focus { outline: 2px solid var(--navy-2); outline-offset: -1px; border-color: var(--navy-2); }
.field .help { font-size: 11.5px; color: var(--faint); margin-top: 5px; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-err { color: var(--critical); font-size: 12.5px; margin: 6px 0 12px; min-height: 1em; }
.form-ok { color: var(--good); font-size: 12.5px; margin: 6px 0 12px; }
.auth .btn { width: 100%; justify-content: center; }
.auth .alt { text-align: center; font-size: 12.5px; color: var(--muted); margin-top: 16px; }

/* file view */
.head { margin-top: 32px; display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; flex-wrap: wrap; }
h1.tname { font-weight: 800; font-size: 30px; letter-spacing: -0.01em; color: var(--heading); margin: 0; line-height: 1.1; }
.sub { color: var(--muted); font-size: 13px; margin-top: 6px; }
.count { text-align: right; }
.count .big { font-family: 'IBM Plex Mono', monospace; font-size: 26px; font-weight: 500; color: var(--heading); line-height: 1; }
.count .big span { color: var(--faint); font-size: 14px; }
.count .lbl { font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--faint); margin-top: 4px; }
.adminbar { margin-top: 22px; display: flex; align-items: center; gap: 14px; padding: 10px 14px; background: var(--surface-sunken); border: 1px dashed var(--steel); border-radius: 8px; font-size: 12.5px; color: var(--ink); }
.adminbar b { font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; font-size: 10.5px; color: var(--navy); }
.adminbar a { margin-left: auto; }

.tabs { display: flex; gap: 4px; margin-top: 30px; padding: 0 10px; position: relative; z-index: 1; }
.tab { padding: 10px 18px; border: 1px solid var(--border); border-bottom: none; border-radius: 8px 8px 0 0; background: var(--surface-sunken); color: var(--muted); font-size: 13px; font-weight: 500; cursor: pointer; margin-bottom: -1px; user-select: none; text-decoration: none; }
.tab:hover { color: var(--heading); }
.tab.active { background: var(--surface); color: var(--heading); font-weight: 600; border-bottom: 1px solid var(--surface); }
.tab:focus-visible { outline: 2px solid var(--navy-2); outline-offset: -2px; }
.folder { background: var(--surface); border: 1px solid var(--border); border-radius: 0 10px 10px 10px; padding: 26px 30px 28px; }
.panel { display: none; }
.panel.active { display: block; }

.alert { display: flex; align-items: center; gap: 10px; padding: 11px 14px; border: 1px solid var(--warn); border-radius: 8px; font-size: 13px; color: var(--ink); margin-bottom: 24px; }
.alert.critical { border-color: var(--critical); }
.alert.good { border-color: var(--good); }
.alert b { font-weight: 600; }
.alert .tag { font-size: 10px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--warn); flex: none; }
.alert.critical .tag { color: var(--critical); }
.alert.good .tag { color: var(--good); }
.alert .when { margin-left: auto; color: var(--faint); font-size: 11.5px; white-space: nowrap; }

.section-title { font-size: 10.5px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--faint); margin: 0 0 14px; }
.tl { position: relative; height: 92px; margin: 0 8px; }
.tl-line { position: absolute; left: 0; right: 0; top: 50px; height: 1px; background: var(--border); }
.tl-tick { position: absolute; top: 46px; width: 1px; height: 9px; background: var(--border); transform: translateX(-50%); }
.tl-tick span { position: absolute; top: 12px; left: 50%; transform: translateX(-50%); font-size: 10.5px; color: var(--faint); white-space: nowrap; font-family: 'IBM Plex Mono', monospace; }
.tl-today { position: absolute; top: 34px; width: 1px; height: 32px; background: var(--navy); transform: translateX(-50%); }
.tl-today span { position: absolute; top: 34px; left: 50%; transform: translateX(-50%); font-size: 10px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--navy); white-space: nowrap; }
.tl-mark { position: absolute; top: 50px; transform: translate(-50%, -50%); width: 9px; height: 9px; border-radius: 50%; background: var(--surface); border: 2px solid var(--navy-2); }
.tl-mark.warn { border-color: var(--warn); background: var(--warn); }
.tl-mark.critical { border-color: var(--critical); background: var(--critical); }
.tl-mark label { position: absolute; bottom: 12px; left: 50%; transform: translateX(-50%); white-space: nowrap; font-size: 11px; color: var(--ink); text-align: center; line-height: 1.25; }
.tl-mark label i { display: block; font-style: normal; font-family: 'IBM Plex Mono', monospace; font-size: 10.5px; color: var(--faint); }
.tl-mark.lower label { bottom: auto; top: 12px; }
.tl-empty { position: absolute; left: 0; right: 0; top: 4px; text-align: center; font-size: 12px; color: var(--faint); }

.ledger { margin-top: 30px; border-top: 1px solid var(--border); }
.row { display: grid; grid-template-columns: 58px 1fr 140px 150px 16px; gap: 18px; align-items: center; padding: 16px 6px; border-bottom: 1px solid var(--border); cursor: pointer; text-decoration: none; color: inherit; }
.row:hover { background: var(--surface-sunken); }
.code { font-family: 'IBM Plex Mono', monospace; font-size: 11px; letter-spacing: 0.06em; color: var(--navy-2); border: 1px solid var(--border); border-radius: 4px; padding: 4px 0; text-align: center; background: var(--surface-sunken); }
.row .title { font-weight: 600; color: var(--heading); font-size: 14.5px; }
.row .detail { font-size: 12.5px; color: var(--muted); margin-top: 2px; }
.row .check { font-size: 12px; color: var(--faint); margin-top: 6px; display: flex; gap: 6px; align-items: flex-start; }
.row .check svg { flex: none; margin-top: 2px; color: var(--good); }
.row .check.is-issue svg { color: var(--critical); }
.row .check.is-warn svg { color: var(--warn); }
.row .check.is-off svg { color: var(--off); }
.row .exp .lbl { font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--faint); }
.row .exp .val { font-family: 'IBM Plex Mono', monospace; font-size: 12.5px; color: var(--ink); margin-top: 2px; }
.row .chev { color: var(--faint); }

.stamp { display: inline-block; font-size: 10px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; padding: 5px 9px; border: 1.5px solid currentColor; border-radius: 4px; white-space: nowrap; }
.stamp.good { color: var(--good); } .stamp.warn { color: var(--warn); } .stamp.critical { color: var(--critical); } .stamp.off { color: var(--off); }

.dhead { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.dhead-left { display: flex; align-items: flex-start; gap: 14px; }
.dhead .code { padding: 6px 0; width: 58px; margin-top: 2px; }
.dhead h2 { font-weight: 700; font-size: 20px; color: var(--heading); margin: 0; letter-spacing: -0.005em; }
.dhead .dsub { font-size: 12.5px; color: var(--muted); margin-top: 3px; }
.facts { margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--border); display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px 28px; }
.fact .lbl { font-size: 10px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--faint); }
.fact .val { margin-top: 5px; font-size: 14px; color: var(--ink); }
.fact.wide { grid-column: 1 / -1; }

.upload { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--border); }
.upload-title { font-size: 10px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--faint); margin-bottom: 10px; }
.upload-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.upload-status { font-size: 12.5px; color: var(--muted); display: flex; align-items: center; gap: 7px; }
.upload-status.is-error { color: var(--critical); }
.spinner { width: 13px; height: 13px; border-radius: 50%; border: 2px solid var(--border); border-top-color: var(--navy); animation: spin 0.8s linear infinite; flex: none; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spinner { animation: none; } }
.verify-block { margin-top: 14px; }
.vline { margin-top: 7px; font-size: 13px; color: var(--ink); display: flex; align-items: flex-start; gap: 7px; }
.vline svg { flex: none; margin-top: 3px; color: var(--good); }
.vline.is-issue svg { color: var(--critical); }
.caveat { margin-top: 10px; font-size: 11px; color: var(--faint); font-family: 'IBM Plex Mono', monospace; }
.empty { font-size: 13px; color: var(--faint); margin-top: 8px; }
.issue-box { margin-top: 12px; padding: 12px 14px; background: var(--critical-soft); border-left: 3px solid var(--critical); border-radius: 0 6px 6px 0; font-size: 12.5px; color: var(--ink); }
.issue-box .issue-title { font-weight: 700; color: var(--critical); margin-bottom: 6px; font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; }
.issue-box ul { margin: 0 0 9px; padding-left: 18px; }
.issue-link { color: var(--critical); font-weight: 600; text-decoration: none; display: inline-flex; align-items: center; gap: 5px; }
.issue-link:hover { text-decoration: underline; }
.dfoot { margin-top: 22px; padding-top: 14px; border-top: 1px solid var(--border); font-size: 12px; color: var(--faint); }
.thumbs { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 12px; }
.thumb { width: 200px; border: 1px solid var(--border); border-radius: 6px; overflow: hidden; background: var(--surface-sunken); }
.thumb img { width: 100%; display: block; }
.thumb .cap { font-size: 11px; color: var(--muted); padding: 6px 8px; font-family: 'IBM Plex Mono', monospace; word-break: break-all; }
.thumb .cap a { color: var(--navy-2); font-weight: 600; text-decoration: none; }

/* admin */
.roster { margin-top: 26px; border-top: 1px solid var(--border); }
.rrow { display: grid; grid-template-columns: 1.4fr 1fr 90px 90px 90px 90px 16px; gap: 14px; align-items: center; padding: 14px 6px; border-bottom: 1px solid var(--border); cursor: pointer; font-size: 13px; text-decoration: none; color: inherit; }
.rrow:hover { background: var(--surface-sunken); }
.rrow.hdr { cursor: default; font-size: 10px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--faint); }
.rrow.hdr:hover { background: none; }
.rrow .n { font-weight: 600; color: var(--heading); }
.rrow .m { font-size: 11.5px; color: var(--faint); }
.rrow .chev { color: var(--faint); }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; vertical-align: middle; }
.dot.good { background: var(--good); } .dot.warn { background: var(--warn); } .dot.critical { background: var(--critical); } .dot.off { background: var(--off); }
.admin-tools { margin-top: 22px; border-radius: 10px; }
.admin-tools .facts .field { margin-bottom: 0; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-top: 14px; }
.actions .right { margin-left: auto; }
table.log { width: 100%; border-collapse: collapse; font-size: 12.5px; margin-top: 20px; }
table.log th, table.log td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--border); vertical-align: top; }
table.log th { font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--faint); font-weight: 600; }

@media (max-width: 760px) {
  .wrap { padding: 0 16px 50px; }
  .hero { grid-template-columns: 1fr; gap: 28px; padding: 36px 0 30px; }
  .hero h1 { font-size: 34px; }
  .watermark { display: none; }
  .steps { grid-template-columns: 1fr 1fr; }
  .checkrow { grid-template-columns: 56px 1fr; }
  .checkrow ul { grid-column: 1 / -1; }
  .tabs { overflow-x: auto; padding: 0 4px; }
  .tab { padding: 9px 13px; white-space: nowrap; }
  .folder { padding: 20px 16px; border-radius: 0 0 10px 10px; }
  .row { grid-template-columns: 50px 1fr 16px; }
  .row .stampcell, .row .exp { display: none; }
  .facts { grid-template-columns: 1fr 1fr; }
  .who .out { display: none; }
  .two { grid-template-columns: 1fr; }
  .rrow { grid-template-columns: 1fr 16px; }
  .rrow .c { display: none; }
}