:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --text: #16181d;
  --muted: #667085;
  --border: #e4e7ec;
  --accent: #0f766e;
  --accent-ink: #ffffff;
  --accent-soft: #e6f4f2;
  --danger: #b42318;
  --danger-soft: #fef3f2;
  --ok: #067647;
  --ok-soft: #ecfdf3;
  --warn: #b54708;
  --warn-soft: #fffaeb;
  --code-bg: #f2f4f7;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --panel: #171a21;
    --text: #e8eaee;
    --muted: #98a2b3;
    --border: #2a2f3a;
    --accent: #2dd4bf;
    --accent-ink: #062a27;
    --accent-soft: #10302d;
    --danger: #f97066;
    --danger-soft: #3a1714;
    --ok: #47cd89;
    --ok-soft: #0f2a1d;
    --warn: #fdb022;
    --warn-soft: #33250b;
    --code-bg: #0b0d11;
    --shadow: none;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); }
code, pre, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; }
pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
  margin: 8px 0;
}
h1, h2, h3 { margin: 0; line-height: 1.25; }
h1 { font-size: 20px; }
h2 { font-size: 16px; }
h3 { font-size: 14px; }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }

/* Layout */
.shell { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.sidebar {
  background: var(--panel);
  border-right: 1px solid var(--border);
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; padding: 4px 8px 16px; }
.brand svg { width: 22px; height: 22px; fill: var(--accent); }
.nav a {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 10px; border-radius: 8px; color: var(--text); text-decoration: none;
}
.nav a:hover { background: var(--bg); }
.nav a.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.sidebar .spacer { flex: 1; }
.org-box { border-top: 1px solid var(--border); padding-top: 12px; margin-top: 12px; display: grid; gap: 6px; }
.main { padding: 24px 28px; max-width: 1100px; width: 100%; }
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; }

/* Components */
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.card + .card { margin-top: 14px; }
.card-head { padding: 14px 16px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.card-body { padding: 14px 16px; }
.empty { padding: 28px 16px; text-align: center; color: var(--muted); }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 16px; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; }
tr:last-child td { border-bottom: 0; }
.table-wrap { overflow-x: auto; }

.btn {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--border); background: var(--panel); color: var(--text);
  border-radius: 8px; padding: 7px 12px; font: inherit; font-weight: 500; cursor: pointer; white-space: nowrap;
}
.btn:hover { background: var(--bg); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(1.05); }
.btn.danger { color: var(--danger); }
.btn.sm { padding: 4px 9px; font-size: 12.5px; }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

.badge { display: inline-flex; align-items: center; gap: 6px; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; background: var(--bg); color: var(--muted); border: 1px solid var(--border); }
.badge.ok { background: var(--ok-soft); color: var(--ok); border-color: transparent; }
.badge.bad { background: var(--danger-soft); color: var(--danger); border-color: transparent; }
.badge.warn { background: var(--warn-soft); color: var(--warn); border-color: transparent; }
.dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }

label.field { display: grid; gap: 4px; font-size: 13px; font-weight: 500; }
label.field .hint { font-weight: 400; color: var(--muted); font-size: 12px; }
input, select, textarea {
  font: inherit; color: var(--text); background: var(--panel);
  border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: transparent; }
.check { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.check input { width: auto; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.stack { display: grid; gap: 12px; }
fieldset { border: 1px solid var(--border); border-radius: 8px; padding: 12px; margin: 0; display: grid; gap: 12px; }
legend { font-size: 12px; font-weight: 600; color: var(--muted); padding: 0 4px; }

/* Auth */
.auth { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.auth .card { width: 100%; max-width: 400px; }
.auth h1 { margin-bottom: 4px; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 16px; }
.tabs button { background: none; border: 0; padding: 8px 12px; font: inherit; color: var(--muted); cursor: pointer; border-bottom: 2px solid transparent; }
.tabs button.active { color: var(--text); border-bottom-color: var(--accent); font-weight: 600; }
.error-text { color: var(--danger); font-size: 13px; min-height: 1em; }

/* Modal + toast */
dialog { border: 1px solid var(--border); border-radius: 12px; padding: 0; background: var(--panel); color: var(--text); width: min(620px, calc(100vw - 32px)); max-height: calc(100vh - 32px); }
dialog::backdrop { background: rgba(0, 0, 0, .4); }
dialog form { margin: 0; }
.modal-head { padding: 16px 18px; border-bottom: 1px solid var(--border); }
.modal-body { padding: 16px 18px; display: grid; gap: 12px; }
.modal-foot { padding: 12px 18px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 8px; }
.toast { position: fixed; bottom: 18px; right: 18px; background: var(--text); color: var(--bg); padding: 10px 14px; border-radius: 8px; box-shadow: 0 6px 20px rgba(0,0,0,.2); max-width: 360px; z-index: 50; }
.toast.err { background: var(--danger); color: #fff; }
.code-big { font-size: 26px; letter-spacing: .12em; font-weight: 700; text-align: center; padding: 10px; }
.kv { display: grid; grid-template-columns: 140px 1fr; gap: 4px 12px; font-size: 13px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; word-break: break-all; }

@media (max-width: 760px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { border-right: 0; border-bottom: 1px solid var(--border); flex-direction: row; flex-wrap: wrap; align-items: center; }
  .sidebar .spacer, .org-box { display: none; }
  .brand { padding: 4px 8px; }
  .nav { display: flex; flex-wrap: wrap; gap: 2px; }
  .main { padding: 16px; }
  .grid2, .grid3 { grid-template-columns: 1fr; }
  th, td { padding: 8px 10px; }
}