:root {
  --bg: #f3f6fa;
  --panel: #ffffff;
  --text: #1e2733;
  --muted: #6b7785;
  --border: #dde4ec;
  --accent: #1f5aa6;
  --accent-dark: #174680;
  --danger: #b4302f;
  --ok: #2f8a3b;
  --radius: 8px;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  font-size: 14px;
  color: var(--text);
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); }
.hidden { display: none !important; }
.loading { padding: 40px; text-align: center; color: var(--muted); }

header.top {
  display: flex; align-items: center; gap: 24px;
  padding: 0 24px; height: 56px;
  background: linear-gradient(180deg, #d6e5f5, #ecf3fb);
  border-bottom: 1px solid var(--border);
}
header.top .brand { font-size: 18px; font-weight: 600; color: var(--accent); }
header.top nav { display: flex; gap: 4px; flex: 1; }
header.top nav button {
  background: none; border: none; padding: 8px 14px; border-radius: 6px;
  color: var(--text); cursor: pointer; font: inherit;
}
header.top nav button.active { background: #fff; color: var(--accent); font-weight: 600; }
header.top .who { color: var(--muted); display: flex; align-items: center; gap: 12px; }

main { max-width: 1150px; margin: 24px auto; padding: 0 16px; }
.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; margin-bottom: 20px;
}
.card h2 { margin: 0 0 4px; font-size: 18px; }
.card .sub { color: var(--muted); margin: 0 0 16px; }
.toolbar { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 9px 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }
td.actions { white-space: nowrap; text-align: right; }
.empty { color: var(--muted); padding: 16px 8px; }

button.btn {
  font: inherit; border-radius: 6px; padding: 7px 14px; cursor: pointer;
  border: 1px solid var(--accent); background: var(--accent); color: #fff;
}
button.btn:hover { background: var(--accent-dark); }
button.btn.secondary { background: #fff; color: var(--accent); }
button.btn.secondary:hover { background: #eef4fb; }
button.btn.danger { background: #fff; color: var(--danger); border-color: #e3b9b9; }
button.btn.danger:hover { background: #fbeeee; }
button.btn.small { padding: 4px 10px; font-size: 13px; }
button.btn:disabled { opacity: .5; cursor: default; }
td.actions button + button { margin-left: 6px; }

.chip {
  display: inline-block; padding: 2px 8px; margin: 2px 4px 2px 0; border-radius: 12px;
  background: #e8f0fa; color: var(--accent-dark); font-size: 12px;
}
.chip.ok { background: #e3f3e5; color: var(--ok); }
.chip.off { background: #f1f1f1; color: var(--muted); }
.chip.danger { background: #fbeaea; color: var(--danger); }
.mono { font-family: Consolas, "Cascadia Mono", monospace; font-size: 12.5px; word-break: break-all; }
.muted { color: var(--muted); }

form.stack label { display: block; margin: 12px 0 4px; font-weight: 600; }
form.stack input[type=text], form.stack input[type=email], form.stack input[type=password],
form.stack input[type=number], form.stack select {
  width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; font: inherit;
}
form.stack input:focus, form.stack select:focus { outline: 2px solid #9cc0ec; border-color: var(--accent); }
form.stack .check { display: flex; align-items: center; gap: 8px; margin: 10px 0; font-weight: normal; }
form.stack .hint { color: var(--muted); font-size: 12.5px; margin-top: 4px; }
.checklist {
  max-height: 220px; overflow: auto; border: 1px solid var(--border); border-radius: 6px; padding: 6px 10px;
}
.checklist label { display: flex; gap: 8px; align-items: center; margin: 6px 0; font-weight: normal; }
.form-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 20px; }
.error { color: var(--danger); margin-top: 10px; min-height: 1em; }

.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.login-card { width: 360px; }
.login-card h1 { margin: 0 0 4px; color: var(--accent); font-size: 22px; }

.modal-back {
  position: fixed; inset: 0; background: rgba(20, 30, 45, .45);
  display: flex; align-items: flex-start; justify-content: center; padding-top: 8vh; z-index: 10;
}
.modal { width: min(560px, 94vw); max-height: 84vh; overflow: auto; }
.secret {
  background: #fff8e1; border: 1px solid #f0d98c; border-radius: 6px; padding: 12px; margin: 12px 0;
}

.toast {
  position: fixed; bottom: 24px; right: 24px; background: #1e2733; color: #fff;
  padding: 10px 16px; border-radius: 6px; z-index: 20; max-width: 420px;
}
.toast.error { background: var(--danger); }
dl.info { display: grid; grid-template-columns: 200px 1fr; gap: 10px 16px; margin: 0; }
dl.info dt { color: var(--muted); }
dl.info dd { margin: 0; }