.admin-shell { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
@media (max-width: 780px) { .admin-shell { grid-template-columns: 1fr; } }

.admin-sidebar {
  background: var(--ink-2);
  border-right: 1px solid var(--line);
  padding: 24px 18px;
  display: flex;
  flex-direction: column;
}
.admin-sidebar .brand { margin-bottom: 32px; padding-left: 6px; }
.admin-nav { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; flex: 1; }
.admin-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--paper-dim);
  font-size: 0.92rem;
}
.admin-nav a:hover { background: var(--panel); color: var(--paper); }
.admin-nav a.active { background: var(--panel-2); color: var(--signal); }
.admin-nav .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--muted); }
.admin-nav a.active .dot { background: var(--signal); }

.admin-user { border-top: 1px solid var(--line); padding-top: 16px; margin-top: 16px; font-size: 0.85rem; color: var(--muted); }
.admin-user strong { color: var(--paper); display: block; font-size: 0.9rem; }
.admin-user form { margin-top: 10px; }

.admin-main { padding: 40px 44px; }
@media (max-width: 780px) { .admin-main { padding: 24px; } }
.admin-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 32px; flex-wrap: wrap; gap: 16px; }
.admin-header h1 { font-size: 1.6rem; margin: 0; }
.admin-header p { color: var(--muted); margin: 4px 0 0; }

.stat-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; margin-bottom: 40px; }
@media (max-width: 1000px) { .stat-grid { grid-template-columns: repeat(2, 1fr); } }
.stat-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 20px; }
.stat-card .n { font-family: var(--font-display); font-size: 1.8rem; color: var(--signal); }
.stat-card .l { color: var(--muted); font-size: 0.82rem; }

.table { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; }
.table th, .table td { text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--line); font-size: 0.9rem; }
.table th { font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); background: var(--ink-2); }
.table tr:last-child td { border-bottom: none; }
.table td.actions { display: flex; gap: 10px; }

.pill { font-family: var(--font-mono); font-size: 0.7rem; padding: 0.2em 0.6em; border-radius: 999px; letter-spacing: 0.04em; }
.pill.on { background: rgba(63,214,192,0.15); color: var(--signal); }
.pill.off { background: rgba(139,150,168,0.15); color: var(--muted); }
.pill.owner { background: rgba(201,119,63,0.18); color: var(--copper); }
.pill.editor { background: rgba(139,150,168,0.15); color: var(--muted); }

.panel-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; margin-bottom: 24px; }
.panel-card h2 { font-size: 1.1rem; margin-bottom: 1.2em; }

.toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }

.iframe-wrap { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; height: 720px; background: var(--panel); }
.iframe-wrap iframe { width: 100%; height: 100%; border: 0; }

.notice { background: var(--panel); border: 1px dashed var(--line-strong); border-radius: var(--radius-sm); padding: 20px; color: var(--muted); font-size: 0.88rem; }
.notice code { font-family: var(--font-mono); color: var(--paper-dim); }

.login-shell { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.login-card { width: 100%; max-width: 400px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 40px; }
.login-card .brand { justify-content: center; margin-bottom: 8px; }
.login-card p.sub { text-align: center; color: var(--muted); font-size: 0.88rem; margin: 0 0 28px; }
.divider { display: flex; align-items: center; gap: 12px; margin: 20px 0; color: var(--muted); font-size: 0.78rem; font-family: var(--font-mono); }
.divider::before, .divider::after { content: ''; flex: 1; height: 1px; background: var(--line); }