/* Admin theme overrides on top of Tailwind */
:root{
  --primary:#2563eb; --success:#16a34a; --danger:#dc2626; --warn:#f59e0b; --card:#ffffff; --muted:#64748b;
}
.body-bg{background:#f8fafc}
.admin-container{max-width:80rem;margin:0 auto;padding:2rem;}
.card{background:var(--card);border-radius:.75rem;box-shadow:0 1px 2px rgba(0,0,0,.05);border:1px solid #e5e7eb}
.card:hover{box-shadow:0 6px 14px rgba(0,0,0,.06)}
.card-header{padding:1rem 1.25rem;border-bottom:1px solid #e5e7eb;font-weight:600}
.card-body{padding:1.25rem 1.5rem}
.btn{display:inline-flex;align-items:center;gap:.5rem;border-radius:.625rem;padding:.625rem 1rem;font-weight:500;border:1px solid transparent;transition:.2s}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{filter:brightness(.95)}
.btn-outline{background:#fff;border-color:#e5e7eb;color:#111827}
.btn-outline:hover{background:#f9fafb}
.btn-danger{background:var(--danger);color:#fff}
.btn-danger:hover{filter:brightness(.95)}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{filter:brightness(.95)}
.badge{display:inline-flex;align-items:center;border-radius:9999px;padding:.125rem .5rem;font-size:.75rem;font-weight:600}
.badge-success{background:#dcfce7;color:#166534}
.badge-info{background:#dbeafe;color:#1e40af}
.badge-warn{background:#fef9c3;color:#92400e}
.badge-danger{background:#fee2e2;color:#991b1b}
table.admin-table{width:100%;border-collapse:separate;border-spacing:0}
table.admin-table thead th{position:sticky;top:0;background:#f8fafc;border-bottom:1px solid #e5e7eb;padding:.75rem;text-align:left}
table.admin-table tbody td{border-bottom:1px solid #f1f5f9;padding:.75rem}
table.admin-table tbody tr:nth-child(odd){background:#fcfcfd}
table.admin-table tbody tr:hover{background:#f9fafb}
.sidebar{width:220px;border-right:1px solid #e5e7eb;background:#fff}
.sidebar a{display:block;padding:.75rem 1rem;color:#334155;border-left:3px solid transparent}
.sidebar a:hover{background:#f8fafc}
.sidebar a.active{border-left-color:var(--primary);color:#1e3a8a;background:#eff6ff}
.topbar{height:64px;border-bottom:1px solid #e5e7eb;background:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 1.25rem}
.nav{display:flex;gap:1.25rem}
.nav a{color:#334155;padding:.375rem .75rem;border-radius:.5rem}
.nav a:hover{background:#f1f5f9}
/* 旧侧栏布局不再使用，但保留兼容 */
.layout{display:grid;grid-template-columns:220px 1fr;min-height:100vh}
@media(max-width:1024px){.layout{grid-template-columns:1fr}.sidebar{display:none}}
.toast{position:fixed;right:1rem;top:1rem;z-index:1000}
.toast .item{background:#111827;color:#fff;padding:.625rem 1rem;border-radius:.5rem;margin-bottom:.5rem;opacity:.95}

/* 表单控件稍作放大，提升可点性 */
.admin-container input[type=text],
.admin-container input[type=search],
.admin-container select,
.admin-container textarea{ padding:.625rem .75rem; border-radius:.5rem; }
/* scrollbar */
#chat-messages::-webkit-scrollbar{width:8px}
#chat-messages::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:4px}