/* ── Admin page ────────────────────────────────────────────────────────
   The dashboard is an ordinary scrolling document. Selectors are scoped
   under `.admin-page` on the page's <body>. */

body.admin-page {
    height: auto;
    min-height: 100vh;
    overflow: auto;
    padding: var(--space-6);
}

.admin-page h1 {
    font-size: var(--text-xl);
    color: var(--text);
    margin-bottom: var(--space-5);
    display: flex;
    align-items: center;
    gap: 10px;
}
/* Colour and hover come from the global `a` rule in base.css. Targeted by
   class rather than `h1 a` because h1 may also hold the GitHub icon
   button (site-header__link--icon). */
.admin-page__back-link { font-size: var(--text-sm); margin-left: auto; }

/* Card-section labels, sized to match the app's other panel-title rows
   (`.pgn-panel-title`, `.panel-header__title`) rather than a one-off
   value. */
.admin-page h2 {
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: var(--space-3);
}

.admin-page .grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

/* Same background/border/radius recipe as `.pgn-panel` / `.results-panel`. */
.admin-page .card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 20px;
}

.admin-page .stat {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    border-bottom: 1px solid var(--border);
    font-size: var(--text-sm);
}
.admin-page .stat:last-child { border-bottom: none; }
.admin-page .stat .label { color: var(--text-dim); }
.admin-page .stat .value {
    color: var(--text);
    font-variant-numeric: tabular-nums;
    font-family: var(--font-mono);
}

.admin-page .bar-wrap {
    height: 8px;
    background: var(--border);
    border-radius: 4px;
    overflow: hidden;
    margin: var(--space-2) 0 var(--space-3);
}
/* Same gradient as the results panel's `.probe-progress__fill`. */
.admin-page .bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--progress-from), var(--progress-to));
    border-radius: 4px;
    transition: width 0.4s;
}

.admin-page .toolbar-row {
    display: flex;
    gap: var(--space-2);
    margin-bottom: 20px;
}

/* Destructive-action modifier for the shared `.btn` component (the
   Refresh button next to it needs no modifier - plain `.btn` already
   matches). Follows the same pattern as `.btn--apply`'s gold accent,
   using the `--loss-glow` token for the hover fill. */
.admin-page .btn.danger { border-color: var(--loss); color: var(--loss); }
.admin-page .btn.danger:hover { background: var(--loss-glow); border-color: var(--loss); }

.admin-page .status {
    font-size: var(--text-xs);
    color: var(--text-muted);
    margin-top: 10px;
    min-height: 18px;
}
.admin-page .status.ok  { color: var(--win); }
.admin-page .status.err { color: var(--loss); }

.admin-page .refresh-row {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: 20px;
    font-size: var(--text-xs);
    color: var(--text-muted);
}

/* Login card for GET /admin without a valid session. Centered fixed-width
   panel; reuses `.card`'s background, border and radius. */
.admin-page .login-card {
    max-width: 320px;
    margin: 15vh auto 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 28px;
    text-align: center;
}
.admin-page .login-card h1 { justify-content: center; margin-bottom: var(--space-2); }
.admin-page .login-card__hint {
    font-size: var(--text-xs);
    color: var(--text-muted);
    margin-bottom: var(--space-4);
}
.admin-page .login-card__back { display: block; margin-top: var(--space-4); font-size: var(--text-sm); }

/* Same recipe as FenBar.jsx's `.fen-input`, minus the icon padding;
   this field has no leading icon. */
.admin-page .login-input {
    width: 100%;
    height: 34px;
    padding: 0 10px;
    margin-bottom: var(--space-3);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--text);
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    outline: none;
    text-align: center;
    transition: border-color var(--tr), box-shadow var(--tr);
}
.admin-page .login-input:focus { border-color: var(--gold-dim); box-shadow: 0 0 0 2px var(--gold-glow); }

@media (max-width: 640px) {
    .admin-page .grid { grid-template-columns: 1fr; }
}
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

@media (hover: none) and (pointer: coarse) {
    .admin-page .login-input { font-size: var(--text-lg); }
}