:root {
  --bg: #f6f7f9; --panel: #ffffff; --ink: #1a1f2b; --muted: #5b6472;
  --line: #e4e7ec; --brand: #1f6f5c; --brand-ink: #ffffff;
  --accent: #2b5cad; --danger: #b23a48; --ok: #1f7a4d; --warn: #9a6a00;
  --chip: #eef1f5; --shadow: 0 1px 3px rgba(20,25,40,.08), 0 1px 2px rgba(20,25,40,.06);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1116; --panel: #161b22; --ink: #e6e9ef; --muted: #9aa4b2;
    --line: #2a313c; --brand: #3aa088; --brand-ink: #06120e;
    --accent: #6ea8fe; --danger: #ff6b7d; --ok: #58c896; --warn: #e0b64b;
    --chip: #202733; --shadow: none;
  }
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif; background: var(--bg); color: var(--ink); }
a { color: var(--accent); }
header.top { background: var(--brand); color: var(--brand-ink); padding: 14px 20px; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
header.top h1 { font-size: 17px; margin: 0; font-weight: 650; letter-spacing: .2px; }
header.top .tag { font-size: 12px; opacity: .9; }
.banner { background: var(--warn); color: #1a1200; padding: 8px 20px; font-size: 13px; font-weight: 600; }
@media (prefers-color-scheme: dark) { .banner { color: #150f00; } }
.wrap { max-width: 1120px; margin: 18px auto; padding: 0 18px 60px; }
.controls { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-bottom: 14px; }
label { font-size: 13px; color: var(--muted); font-weight: 600; }
select, input, button, textarea { font: inherit; color: var(--ink); }
select, input, textarea { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; }
textarea { width: 100%; min-height: 120px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }
button { background: var(--brand); color: var(--brand-ink); border: 1px solid transparent; border-radius: 8px; padding: 8px 14px; font-weight: 600; cursor: pointer; }
button.secondary { background: var(--chip); color: var(--ink); border-color: var(--line); }
button:focus-visible, select:focus-visible, a:focus-visible, [tabindex]:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
nav.tabs { display: flex; gap: 6px; flex-wrap: wrap; border-bottom: 1px solid var(--line); margin-bottom: 16px; }
nav.tabs button { background: transparent; color: var(--muted); border: none; border-bottom: 2px solid transparent; border-radius: 0; padding: 10px 12px; }
nav.tabs button[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--brand); }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); padding: 18px; margin-bottom: 16px; }
.panel h2 { margin: 0 0 4px; font-size: 15px; }
.panel p.hint { margin: 0 0 14px; color: var(--muted); font-size: 13px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .4px; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; font-family: ui-monospace, Menlo, monospace; }
tr:last-child td { border-bottom: none; }
.pos { color: var(--ok); } .neg { color: var(--danger); }
.chip { display: inline-block; background: var(--chip); border-radius: 999px; padding: 2px 9px; font-size: 12px; font-weight: 600; }
.chip.ok { background: color-mix(in srgb, var(--ok) 20%, transparent); color: var(--ok); }
.chip.warn { background: color-mix(in srgb, var(--warn) 25%, transparent); color: var(--warn); }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; }
.stat .k { font-size: 12px; color: var(--muted); font-weight: 600; }
.stat .v { font-size: 20px; font-weight: 700; font-variant-numeric: tabular-nums; margin-top: 2px; }
.total-row td { font-weight: 700; border-top: 2px solid var(--line); }
.toast { position: fixed; right: 18px; bottom: 18px; max-width: 380px; background: var(--panel); border: 1px solid var(--line); border-left: 4px solid var(--brand); border-radius: 10px; padding: 12px 14px; box-shadow: var(--shadow); font-size: 14px; }
.toast.err { border-left-color: var(--danger); }
.toast.ok { border-left-color: var(--ok); }
.mono { font-family: ui-monospace, Menlo, monospace; font-size: 12px; color: var(--muted); word-break: break-all; }
.row-actions { display: flex; gap: 6px; }
.hidden { display: none !important; }
code.inline { background: var(--chip); padding: 1px 6px; border-radius: 6px; font-size: 13px; }
.legend { font-size: 12px; color: var(--muted); margin-top: 8px; }

/* --- Auth gate --- */
.auth-gate { position: fixed; inset: 0; background: var(--bg); display: flex; align-items: center; justify-content: center; z-index: 100; padding: 20px; }
.auth-gate.hidden { display: none !important; }
.auth-card { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); padding: 30px; width: 100%; max-width: 420px; }
.auth-card h1 { margin: 0 0 2px; font-size: 20px; }
.auth-sub { color: var(--muted); font-size: 13px; margin: 0 0 16px; }
.auth-form { display: flex; flex-direction: column; gap: 6px; }
.auth-form label { margin-top: 8px; }
.auth-form input { width: 100%; }
.auth-form button { margin-top: 16px; }
.auth-err { color: var(--danger); font-size: 13px; min-height: 18px; margin: 12px 0 0; font-weight: 600; }
.auth-note { color: var(--muted); font-size: 12px; margin-top: 18px; border-top: 1px solid var(--line); padding-top: 12px; }
.secret-box { background: var(--chip); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; margin-top: 2px; user-select: all; font-size: 12px; }
body.locked { overflow: hidden; }