:root {
  --bg: #f4f5f8; --panel: #ffffff; --panel-2: #f0f2f6; --line: #dfe3ea; --text: #161a22; --muted: #5d6676;
  --accent: #5b6ee8; --accent-text: #ffffff; --danger: #c93a3a; --danger-bg: #fdeeee; --ok: #1f8a4c; --ok-bg: #e8f6ee;
  --warn: #9a6200; --warn-bg: #fff4dc; --code-bg: #eef0f5; --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 4px 16px rgba(16, 24, 40, .06);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1017; --panel: #151a23; --panel-2: #1b212c; --line: #2a3140; --text: #e7eaf0; --muted: #98a1b3;
    --accent: #7d8cff; --accent-text: #0d1017; --danger: #ff7b7b; --danger-bg: #3a1a1d; --ok: #5fd394; --ok-bg: #12301f;
    --warn: #f3c068; --warn-bg: #352812; --code-bg: #1f2633; --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 6px 24px rgba(0, 0, 0, .3);
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--text); font: 14px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 20px; margin: 0 0 4px; }
h2 { font-size: 15px; margin: 0 0 10px; }
p { margin: 0 0 10px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
code, .mono { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; }
code { background: var(--code-bg); padding: 1px 5px; border-radius: 4px; }
.hidden { display: none !important; }

/* ---------- controls ---------- */
input, select, textarea {
  width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px;
  background: var(--panel); color: var(--text); font: inherit;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: transparent; }
label { display: block; font-size: 12px; font-weight: 600; color: var(--muted); margin: 10px 0 4px; }
button, .btn {
  display: inline-flex; align-items: center; gap: 6px; padding: 7px 12px; border-radius: 8px; border: 1px solid var(--line);
  background: var(--panel); color: var(--text); font: inherit; font-weight: 600; cursor: pointer; white-space: nowrap;
}
button:hover { background: var(--panel-2); }
button:disabled { opacity: .55; cursor: default; }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
button.primary:hover { filter: brightness(1.06); }
button.danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 40%, var(--line)); }
button.danger.solid { background: var(--danger); border-color: var(--danger); color: #fff; }
button.link { border: 0; background: none; padding: 0; color: var(--accent); font-weight: 500; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.row.end { justify-content: flex-end; }
.grow { flex: 1; min-width: 0; }
.stack > * + * { margin-top: 12px; }

.badge { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 11px; font-weight: 700; background: var(--panel-2); color: var(--muted); }
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.off { background: var(--danger-bg); color: var(--danger); }
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.badge.accent { background: color-mix(in srgb, var(--accent) 16%, transparent); color: var(--accent); }
.notice { padding: 10px 12px; border-radius: 8px; background: var(--panel-2); border: 1px solid var(--line); }
.notice.error { background: var(--danger-bg); border-color: transparent; color: var(--danger); }
.notice.ok { background: var(--ok-bg); border-color: transparent; color: var(--ok); }
.notice.warn { background: var(--warn-bg); border-color: transparent; color: var(--warn); }

/* ---------- sign-in ---------- */
.center { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); padding: 24px; width: 100%; max-width: 400px; }
.card.wide { max-width: 520px; }
.brand { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
.brand img { width: 28px; height: 28px; }
.brand b { font-size: 16px; }
.code-input { font-size: 22px; letter-spacing: 6px; text-align: center; font-family: ui-monospace, Consolas, monospace; }
.qr { display: block; width: 200px; height: 200px; margin: 8px auto; background: #fff; border-radius: 8px; padding: 6px; }
.secret { word-break: break-all; text-align: center; font-size: 15px; }
.codes { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px; margin: 10px 0; }
.codes code { display: block; text-align: center; padding: 6px; font-size: 14px; }
.steps { padding-left: 18px; margin: 0 0 10px; }
.steps li { margin-bottom: 4px; }

/* ---------- the console ---------- */
.shell { display: grid; grid-template-columns: 230px 1fr; min-height: 100vh; }
.side { background: var(--panel); border-right: 1px solid var(--line); padding: 16px 12px; position: sticky; top: 0; height: 100vh; overflow: auto; }
.side .brand { padding: 0 6px; }
.nav a { display: block; padding: 7px 10px; border-radius: 8px; color: var(--text); font-weight: 500; }
.nav a:hover { background: var(--panel-2); text-decoration: none; }
.nav a.on { background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); }
.nav .group { font-size: 11px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; margin: 14px 10px 4px; }
.who { margin-top: 18px; padding: 10px; border-top: 1px solid var(--line); font-size: 12px; }
.main { padding: 22px 24px 60px; min-width: 0; }
.head { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px; box-shadow: var(--shadow); }
.panel + .panel, .grid + .panel, .panel + .grid { margin-top: 14px; }
.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; box-shadow: var(--shadow); }
.stat .n { font-size: 26px; font-weight: 700; }
.stat .l { color: var(--muted); font-size: 12px; }
.kv { display: grid; grid-template-columns: 150px 1fr; gap: 6px 12px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; min-width: 0; overflow-wrap: anywhere; }
.search { max-width: 320px; }
.actions { display: flex; gap: 6px; flex-wrap: wrap; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); box-shadow: var(--shadow); }
table { border-collapse: collapse; width: 100%; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; color: var(--muted); font-weight: 700; background: var(--panel-2); white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
tbody tr.click { cursor: pointer; }
tbody tr.click:hover { background: var(--panel-2); }
td.num { text-align: right; font-variant-numeric: tabular-nums; }
.empty { padding: 24px; text-align: center; color: var(--muted); }

/* ---------- dialogs ---------- */
.veil { position: fixed; inset: 0; background: rgba(8, 10, 16, .55); display: grid; place-items: center; padding: 16px; z-index: 50; }
.dialog { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); padding: 20px; width: 100%; max-width: 440px; max-height: calc(100vh - 32px); overflow: auto; }
.dialog h2 { font-size: 16px; }
.reveal { font-size: 18px; text-align: center; padding: 12px; margin: 10px 0; word-break: break-all; }
.toast { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); background: var(--text); color: var(--bg); padding: 9px 16px; border-radius: 8px; z-index: 60; max-width: calc(100vw - 32px); }

.menu-btn { display: none; }
@media (max-width: 820px) {
  .shell { grid-template-columns: 1fr; }
  .side { position: fixed; inset: 0 30% 0 0; z-index: 40; transform: translateX(-102%); transition: transform .15s; height: 100%; max-width: 280px; }
  .side.open { transform: none; }
  .menu-btn { display: inline-flex; }
  .main { padding: 14px 16px 60px; }
  .kv { grid-template-columns: 1fr; gap: 0 0; }
  .kv dt { margin-top: 8px; }
  .search { max-width: none; width: 100%; }
}