:root {
  --bg: #f4f6f5; --surface: #ffffff; --surface-2: #eef2f0; --line: #d9e0dd;
  --ink: #15201c; --ink-2: #4a5752; --ink-3: #6f7c77;
  --brand: #0f5c4d; --brand-ink: #ffffff; --brand-soft: #dcefe9;
  --bar: #2f8f7a;
  --good: #1d7a3e; --good-bg: #e2f3e7; --warn: #8a5a00; --warn-bg: #fdf1d8;
  --bad: #b3261e; --bad-bg: #fbe4e2;
  --radius: 10px; --shadow: 0 1px 2px rgba(0,0,0,.06), 0 2px 8px rgba(0,0,0,.04);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0e1412; --surface: #161e1b; --surface-2: #1d2724; --line: #2b3733;
    --ink: #e7eeeb; --ink-2: #b2bfba; --ink-3: #8a9893;
    --brand: #3fb69a; --brand-ink: #06231c; --brand-soft: #173a32;
    --bar: #4fbfa4;
    --good: #6fd08f; --good-bg: #16301f; --warn: #f0c060; --warn-bg: #3a2e12;
    --bad: #ff8a80; --bad-bg: #3d1a18;
    --shadow: none; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0e1412; --surface: #161e1b; --surface-2: #1d2724; --line: #2b3733;
  --ink: #e7eeeb; --ink-2: #b2bfba; --ink-3: #8a9893;
  --brand: #3fb69a; --brand-ink: #06231c; --brand-soft: #173a32; --bar: #4fbfa4;
  --good: #6fd08f; --good-bg: #16301f; --warn: #f0c060; --warn-bg: #3a2e12;
  --bad: #ff8a80; --bad-bg: #3d1a18; --shadow: none; color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg); color: var(--ink);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", sans-serif;
  -webkit-text-size-adjust: 100%; padding-bottom: env(safe-area-inset-bottom);
}
h1, h2, h3 { margin: 0 0 8px; line-height: 1.25; }
h1 { font-size: 20px; } h2 { font-size: 17px; } h3 { font-size: 15px; }
a { color: var(--brand); }
.muted { color: var(--ink-3); } .small { font-size: 13px; }
.num { font-variant-numeric: tabular-nums; white-space: nowrap; }

/* top bar + tabs */
.top { z-index: 5; display: flex; align-items: center; gap: 12px;
  padding: 10px 16px; background: var(--brand); color: var(--brand-ink); }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; }
.who { flex: 1; text-align: right; font-size: 13px; opacity: .9; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.top .ghost { color: var(--brand-ink); border-color: color-mix(in srgb, var(--brand-ink) 40%, transparent); }
.tabs { display: flex; gap: 4px; overflow-x: auto; padding: 8px 12px; background: var(--surface); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 4; scrollbar-width: none; }
.tabs a { flex: none; padding: 8px 12px; border-radius: 8px; color: var(--ink-2); text-decoration: none; font-weight: 600; font-size: 14px; }
.tabs a.on { background: var(--brand-soft); color: var(--brand); }
.tabs .count { display: inline-block; min-width: 18px; padding: 0 5px; margin-left: 4px; border-radius: 9px; background: var(--bad); color: #fff; font-size: 12px; text-align: center; }
.net { background: var(--warn-bg); color: var(--warn); padding: 8px 16px; font-size: 14px; font-weight: 600; }

main { max-width: 1080px; margin: 0 auto; padding: 16px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; box-shadow: var(--shadow); margin-bottom: 12px; }
.card.tap { cursor: pointer; }
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.stack > * + * { margin-top: 10px; }
.grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
.hr { border: 0; border-top: 1px solid var(--line); margin: 12px 0; }

/* stat tiles */
.tile { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; }
.tile .k { font-size: 13px; color: var(--ink-2); }
.tile .v { font-size: 24px; font-weight: 700; font-variant-numeric: tabular-nums; margin-top: 2px; }
.tile .s { font-size: 12px; color: var(--ink-3); }
.tile.bad { border-color: var(--bad); } .tile.bad .v { color: var(--bad); }

/* bucket bars (one series, single hue) */
.bars { display: grid; grid-template-columns: 70px 1fr auto; gap: 8px 10px; align-items: center; }
.bars .lab { font-size: 13px; color: var(--ink-2); }
.bars .track { height: 14px; position: relative; }
.bars .fill { height: 14px; background: var(--bar); border-radius: 0 4px 4px 0; min-width: 2px; }
.bars .val { font-size: 13px; font-variant-numeric: tabular-nums; text-align: right; }

/* chips */
.chip { display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600;
  background: var(--surface-2); color: var(--ink-2); white-space: nowrap; }
.chip.good { background: var(--good-bg); color: var(--good); }
.chip.warn { background: var(--warn-bg); color: var(--warn); }
.chip.bad { background: var(--bad-bg); color: var(--bad); }

/* tables */
.tbl-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; color: var(--ink-3); font-weight: 600; text-transform: uppercase; letter-spacing: .02em; }
td.r, th.r { text-align: right; }

/* forms */
label { display: block; font-size: 13px; font-weight: 600; color: var(--ink-2); margin-bottom: 4px; }
input, select, textarea { width: 100%; font: inherit; color: var(--ink); background: var(--surface); border: 1px solid var(--line);
  border-radius: 8px; padding: 10px 12px; min-height: 44px; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--brand); outline-offset: 1px; border-color: var(--brand); }
.code-in { font-size: 24px; letter-spacing: .3em; text-align: center; font-variant-numeric: tabular-nums; }
button, .btn { font: inherit; font-weight: 600; border-radius: 8px; padding: 10px 16px; min-height: 44px; cursor: pointer;
  border: 1px solid var(--brand); background: var(--brand); color: var(--brand-ink); text-decoration: none; display: inline-flex; align-items: center; justify-content: center; gap: 6px; }
button.ghost, .btn.ghost { background: transparent; color: var(--brand); border-color: var(--line); }
button.danger { background: var(--bad); border-color: var(--bad); color: #fff; }
button.sm { min-height: 34px; padding: 5px 10px; font-size: 13px; }
button:disabled { opacity: .5; cursor: default; }
.wide { width: 100%; }
.err { color: var(--bad); font-size: 14px; font-weight: 600; }
.note { background: var(--surface-2); border-radius: 8px; padding: 10px 12px; font-size: 14px; color: var(--ink-2); }
.note.warn { background: var(--warn-bg); color: var(--warn); }
.note.bad { background: var(--bad-bg); color: var(--bad); }
.note.good { background: var(--good-bg); color: var(--good); }

/* login */
.login { max-width: 380px; margin: 8vh auto 0; }
.login .logo { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
.login .logo b { font-size: 22px; }
.secret { font: 600 18px/1.6 ui-monospace, Menlo, Consolas, monospace; letter-spacing: .08em; word-break: break-all;
  background: var(--surface-2); padding: 10px 12px; border-radius: 8px; user-select: all; }

/* visit */
.gps { display: flex; gap: 10px; align-items: center; font-size: 14px; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--ink-3); flex: none; }
.dot.good { background: var(--good); } .dot.warn { background: var(--warn); } .dot.bad { background: var(--bad); }
.thumbs { display: flex; gap: 8px; flex-wrap: wrap; }
.thumbs img { width: 76px; height: 76px; object-fit: cover; border-radius: 8px; border: 1px solid var(--line); }
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.6); z-index: 20; display: flex; align-items: center; justify-content: center; padding: 16px; }
.modal-box { background: var(--surface); border-radius: var(--radius); padding: 14px; max-width: 720px; width: 100%; max-height: 90vh; overflow: auto; }
.modal-box img { max-width: 100%; display: block; margin-top: 8px; border-radius: 8px; }
.close { float: right; }
.toast { position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%); background: var(--ink); color: var(--bg);
  padding: 10px 16px; border-radius: 8px; z-index: 30; font-weight: 600; max-width: calc(100% - 32px); }
.empty { text-align: center; padding: 28px 12px; color: var(--ink-3); }
[hidden] { display: none !important; }

@media (min-width: 760px) {
  .split { display: grid; grid-template-columns: 1.1fr 1fr; gap: 12px; align-items: start; }
}
@media (forced-colors: active) { .bars .fill { background: CanvasText; } }