:root { color-scheme: light dark; --bg:#f6f4ee; --fg:#17201b; --card:#fff; --line:#cfd6cf; --accent:#0b5d44; --warn:#8a5a00; --bad:#9b1c1c; --ok:#0b5d44; font-family: system-ui, -apple-system, "Segoe UI", sans-serif; }
@media (prefers-color-scheme: dark) { :root { --bg:#121815; --fg:#e8eee9; --card:#1b2420; --line:#33403a; --accent:#5cc79f; --warn:#e3b341; --bad:#ff8a80; --ok:#5cc79f; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); line-height: 1.45; font-size: 17px; }
nav { position: sticky; top: 0; z-index: 2; display: flex; background: var(--card); border-bottom: 2px solid var(--line); }
nav a { flex: 1; text-align: center; padding: .85rem .2rem; color: var(--fg); text-decoration: none; font-weight: 600; font-size: .9rem; }
nav a[aria-current="page"] { border-bottom: 4px solid var(--accent); color: var(--accent); }
main { max-width: 36rem; margin: 0 auto; padding: .75rem .75rem 4rem; }
h1 { margin: 0 0 .5rem; font-size: 1.5rem; } h2 { margin: 0 0 .5rem; font-size: 1.15rem; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: .75rem; padding: .9rem; margin: .75rem 0; }
.banner { border-radius: .6rem; padding: .6rem .8rem; margin: .5rem 0; font-size: .9rem; border: 2px solid var(--line); background: var(--card); }
.banner strong { display: inline-block; margin-right: .35rem; }
.banner.warn { border-color: var(--warn); } .banner.bad { border-color: var(--bad); } .banner.ok { border-color: var(--ok); } .banner.test { border-color: #7a3db8; background: #7a3db822; }
.banner.net[data-net="offline"] { border-color: var(--warn); }
button, select, input[type=file] { font: inherit; width: 100%; padding: .85rem; margin: .35rem 0; border-radius: .6rem; border: 2px solid var(--line); background: var(--card); color: var(--fg); min-height: 3rem; }
button { cursor: pointer; font-weight: 600; } button.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
button.danger { border-color: var(--bad); color: var(--bad); } button:disabled { opacity: .5; cursor: not-allowed; }
.actions { display: grid; gap: .25rem; }
.facts { display: grid; gap: .35rem; margin: 0; } .facts div { display: flex; justify-content: space-between; gap: 1rem; border-bottom: 1px dashed var(--line); padding: .2rem 0; } .facts dt { opacity: .8; } .facts dd { margin: 0; font-weight: 600; text-align: right; word-break: break-word; }
.mono { font-family: ui-monospace, monospace; font-size: .85rem; }
.muted, .legend { opacity: .8; font-size: .88rem; }
.chip { display: inline-block; border: 2px solid var(--line); border-radius: 1rem; padding: .05rem .6rem; font-size: .75rem; font-weight: 700; vertical-align: middle; }
.chip[data-sync^="CONFIRMED"] { border-color: var(--ok); color: var(--ok); } .chip[data-sync="FAILED"], .chip[data-sync="CONFLICT"] { border-color: var(--bad); color: var(--bad); } .chip[data-sync="QUEUED"], .chip[data-sync="SYNCING"] { border-color: var(--warn); color: var(--warn); }
.result { border: 3px solid var(--line); border-radius: .9rem; padding: 1rem; margin: .75rem 0; background: var(--card); } .result.ok { border-color: var(--ok); } .result.error { border-color: var(--bad); } .result h2 { font-size: 1.4rem; }
.msg { border-radius: .6rem; padding: .6rem .8rem; border: 2px solid var(--line); background: var(--card); margin: .5rem 0; } .msg.error { border-color: var(--bad); } .msg.ok { border-color: var(--ok); }
.mask { display: grid; grid-template-columns: repeat(12, 1fr); gap: 3px; margin: .5rem 0; }
.cell { display: flex; flex-direction: column; align-items: center; border: 2px solid var(--line); border-radius: .35rem; padding: .1rem 0; font-size: .8rem; } .cell .h { opacity: .7; font-size: .65rem; } .cell .s { font-weight: 800; font-size: 1rem; }
.cell.c-g { background: var(--accent); color: #fff; border-color: var(--accent); } .cell.c-u { border-style: dashed; opacity: .75; }
.timeline, .sources, .steps { list-style: none; margin: 0; padding: 0; } .timeline li, .sources li, .steps li { border-bottom: 1px solid var(--line); padding: .45rem 0; } .steps .detail { font-size: .85rem; opacity: .85; margin-top: .2rem; } .src { display: block; font-size: .75rem; font-weight: 700; opacity: .85; }
.locked { border: 2px dashed var(--warn); border-radius: .6rem; padding: .6rem; }
.state { padding: .1rem .6rem; border-radius: .5rem; border: 2px solid var(--line); } .state.s-challenged { border-color: var(--bad); color: var(--bad); } .state.s-eligible { border-color: var(--ok); color: var(--ok); }
label { display: block; margin-top: .6rem; font-weight: 600; }
/* Phone-fit hardening: long ids, labels and button text must wrap instead of widening the page. */
main, .card, .result, .banner, .msg, li, dd, dt, p, h1, h2, button { min-width: 0; overflow-wrap: anywhere; }
.facts div { flex-wrap: wrap; }
.sources li, .steps li { display: flex; flex-direction: column; gap: .25rem; }
.mono { overflow-wrap: anywhere; word-break: break-all; }
img, svg, table { max-width: 100%; }