/* 서버 관리 쪽 (docs/plans/20261102_01_volab_admin.md, 목업 docs/mockups/20261102_volab_admin_v1.html).
   공통 토큰은 /styles.css 에 있고, 여기는 이 쪽에만 쓰는 상태 색과 칸이다. */
:root,
:root[data-theme="light"] {
  --ok: #2f8f46;
  --warn: #b76e00;
  --bad: #d23a40;
  --track: #e8eaf0;
  --s-pc: #2a78d6;
  --s-app: #eb6834;
  --s-web: #1baf7a;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ok: #5fb87a;
    --warn: #e9a23b;
    --bad: #f0616a;
    --track: #1f3144;
    --s-pc: #3987e5;
    --s-app: #d95926;
    --s-web: #199e70;
  }
}
:root[data-theme="dark"] {
  --ok: #5fb87a;
  --warn: #e9a23b;
  --bad: #f0616a;
  --track: #1f3144;
  --s-pc: #3987e5;
  --s-app: #d95926;
  --s-web: #199e70;
}

[hidden] { display: none !important; }

.admin-page { padding: 1.5rem 0 3rem; font-size: 15px; line-height: 1.5; }
.admin-boot { color: var(--muted); text-align: center; margin: 4rem 0; }
.admin-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); }
.admin-page h1 { font-size: 2rem; margin: .1rem 0 0; letter-spacing: -.01em; }
.admin-page h2 { font-size: 1rem; margin: 1.6rem 0 .6rem; }

.admin-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: .5rem 1rem; margin-bottom: 1rem; }
.admin-eyebrow { margin: 0; font-size: .875rem; font-weight: 700; color: var(--muted); }
.admin-live { margin: 0; font-size: .75rem; color: var(--muted); white-space: nowrap; font-variant-numeric: tabular-nums; }
.admin-pulse { display: inline-block; width: 7px; height: 7px; margin-right: 6px; border-radius: 50%; background: var(--ok); animation: admin-pulse 2s infinite; }
.admin-live[data-state="fail"] { color: var(--bad); }
.admin-live[data-state="fail"] .admin-pulse { background: var(--bad); animation: none; }
@keyframes admin-pulse { 50% { opacity: .25; } }
@media (prefers-reduced-motion: reduce) { .admin-pulse { animation: none; } }

/* 한 줄 요약 */
.admin-sum { display: flex; align-items: center; gap: .75rem; padding: .9rem 1.1rem; }
.admin-sum-icon { flex: none; display: grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; font-size: .8rem; font-weight: 800; color: #fff; background: var(--ok); }
.admin-sum[data-level="warn"] .admin-sum-icon { background: var(--warn); }
.admin-sum[data-level="bad"] .admin-sum-icon { background: var(--bad); }
.admin-sum b { display: block; }
.admin-sum span:not(.admin-sum-icon) { font-size: .8125rem; color: var(--muted); }

/* 칸 */
.admin-grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: .75rem; }
.admin-grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: .75rem; }
.admin-relay { margin-top: .75rem; }
.admin-tile { min-width: 0; padding: .9rem 1rem; }
.admin-tile-key { display: flex; justify-content: space-between; gap: .4rem; font-size: .8125rem; font-weight: 600; color: var(--muted); }
.admin-tile-value { margin-top: .1rem; font-size: 1.75rem; font-weight: 800; line-height: 1.25; font-variant-numeric: tabular-nums; }
.admin-tile-value small { margin-left: 3px; font-size: .875rem; font-weight: 600; color: var(--muted); }
.admin-tile-sub { font-size: .75rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.admin-tile p { margin: 0; font-size: .75rem; color: var(--muted); }
.admin-meter { height: 6px; margin: .5rem 0 .4rem; overflow: hidden; border-radius: 999px; background: var(--track); }
.admin-meter i { display: block; height: 100%; border-radius: 999px; background: var(--ok); transition: width .3s; }
.admin-meter[data-level="warn"] i { background: var(--warn); }
.admin-meter[data-level="bad"] i { background: var(--bad); }
.admin-level { font-size: .75rem; font-weight: 700; white-space: nowrap; }
.admin-level[data-level="ok"] { color: var(--ok); }
.admin-level[data-level="warn"] { color: var(--warn); }
.admin-level[data-level="bad"] { color: var(--bad); }
.admin-key { display: inline-block; width: 10px; height: 10px; margin-right: 6px; border-radius: 3px; vertical-align: -1px; }
.admin-none { margin: 0; padding: .9rem 1rem; color: var(--bad); font-weight: 700; font-size: .875rem; }

/* 로그인 */
.admin-gate { max-width: 420px; margin: 3rem auto; padding: 1.6rem 1.5rem; text-align: center; }
.admin-gate h1 { font-size: 1.25rem; margin: 0 0 .25rem; }
.admin-gate p { margin: 0 0 1rem; font-size: .875rem; color: var(--muted); }
.admin-gate .admin-err { margin-bottom: .6rem; color: var(--bad); font-weight: 700; }
.admin-go { padding: .55rem 1.1rem; border: 1px solid var(--accent); border-radius: var(--radius-md); background: var(--accent); color: var(--accent-contrast); font: inherit; font-size: .875rem; font-weight: 700; cursor: pointer; }
.admin-gate small { display: block; margin-top: .75rem; font-size: .75rem; color: var(--muted); }

/* 머리의 Admin 메뉴 */
.admin-menu { position: relative; }
.admin-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--ok); }
.admin-menu-list { position: absolute; top: calc(100% + 6px); right: 0; z-index: 20; min-width: 200px; padding: .6rem .75rem; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--bg); box-shadow: var(--shadow); font-size: .8125rem; }
.admin-menu-list p { margin: 0 0 .4rem; color: var(--muted); word-break: break-all; }
.admin-menu-list button { padding: 0; border: 0; background: none; color: var(--accent); font: inherit; font-weight: 600; cursor: pointer; }

@media (max-width: 860px) { .admin-grid4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 460px) {
  .admin-grid3 { grid-template-columns: 1fr; }
  .admin-tile-value { font-size: 1.5rem; }
  .admin-page h1 { font-size: 1.625rem; }
  .admin-gate h1 { font-size: 1.25rem; }
}