:root {
  --bg: #f4f5f7; --surface: #ffffff; --border: #e2e5ea; --text: #1d2330; --muted: #667085;
  --accent: #2563eb; --accent-text: #ffffff; --ok: #15803d; --warn: #b45309; --bad: #b91c1c;
  --ok-bg: #dcfce7; --warn-bg: #fef3c7; --bad-bg: #fee2e2; --idle-bg: #eceff3;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f131a; --surface: #171c26; --border: #2a3140; --text: #e6e9ef; --muted: #98a2b3;
    --accent: #3b82f6; --ok: #4ade80; --warn: #fbbf24; --bad: #f87171;
    --ok-bg: #14301f; --warn-bg: #3a2c0b; --bad-bg: #3b1616; --idle-bg: #232a38;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 14px/1.5 -apple-system, "Segoe UI", system-ui, sans-serif; }
h1, h2 { margin: 0; font-weight: 600; }
h1 { font-size: 22px; } h2 { font-size: 16px; }
code { background: var(--idle-bg); padding: 1px 5px; border-radius: 4px; font-size: 12px; }
.muted { color: var(--muted); } .small { font-size: 12px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12px; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 16px; margin-bottom: 16px; }
.card-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }

.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: 100%; max-width: 380px; display: flex; flex-direction: column; gap: 10px; margin: 0; }
.login-card p { margin: 0; }

.topbar { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; justify-content: space-between;
  gap: 12px; flex-wrap: wrap; padding: 10px 20px; background: var(--surface); border-bottom: 1px solid var(--border); }
.brand { font-weight: 600; font-size: 16px; }
.topbar-right { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.container { max-width: 1100px; margin: 0 auto; padding: 20px 16px; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 16px; margin-bottom: 16px; }
.stats .card { margin: 0; }
.stat-value { font-size: 28px; font-weight: 600; }

label { font-weight: 500; }
input, select, textarea { font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--border);
  border-radius: 6px; padding: 7px 10px; min-width: 0; }
input:focus, select:focus, textarea:focus, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
textarea { width: 100%; resize: none; word-break: break-all; }
button { font: inherit; color: var(--text); background: var(--surface); border: 1px solid var(--border);
  border-radius: 6px; padding: 7px 12px; cursor: pointer; }
button:hover:not(:disabled) { border-color: var(--muted); }
button:disabled { opacity: .55; cursor: default; }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
button.danger { background: var(--bad); border-color: var(--bad); color: #fff; }
button.small { padding: 3px 8px; font-size: 12px; }
.inline-form { display: flex; flex-wrap: wrap; gap: 8px; }

.error { color: var(--bad); margin: 0; }
.banner { background: var(--bad-bg); border: 1px solid var(--bad); border-radius: 8px; padding: 10px 14px; margin-bottom: 16px; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; }
tr:last-child td { border-bottom: 0; }
td.actions { text-align: right; }
td.actions button + button { margin-left: 6px; }
.empty { text-align: center; color: var(--muted); padding: 18px; }

.pill { display: inline-block; padding: 1px 9px; border-radius: 999px; font-size: 12px; background: var(--idle-bg); color: var(--muted); }
.pill.ok { background: var(--ok-bg); color: var(--ok); }
.pill.warn { background: var(--warn-bg); color: var(--warn); }
.pill.bad { background: var(--bad-bg); color: var(--bad); }

dialog { max-width: 520px; width: calc(100% - 32px); border: 1px solid var(--border); border-radius: 12px;
  background: var(--surface); color: var(--text); padding: 20px; }
dialog::backdrop { background: rgba(0, 0, 0, .5); }
dialog h2 { margin-bottom: 8px; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 14px; }