/* ===== Cloud Manager Admin CSS ===== */
:root {
  --primary: #4f6ef7;
  --primary-dark: #3b5bdb;
  --primary-light: #eef2ff;
  --success: #2fbf71;
  --danger: #fa5252;
  --warning: #f59f00;
  --info: #15aabf;
  --gray-50: #f8f9fa;
  --gray-100: #f1f3f5;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-400: #ced4da;
  --gray-500: #adb5bd;
  --gray-600: #868e96;
  --gray-700: #495057;
  --gray-800: #343a40;
  --gray-900: #212529;
  --sidebar-bg: #1e293b;
  --sidebar-hover: #334155;
  --sidebar-active: #4f6ef7;
  --sidebar-text: #94a3b8;
  --sidebar-text-active: #fff;
  --content-bg: #f1f5f9;
  --card-bg: #fff;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
}

* { margin:0; padding:0; box-sizing:border-box; }
body { font-family: -apple-system, "Microsoft YaHei", "Segoe UI", sans-serif; font-size:14px; color:var(--gray-800); background:var(--content-bg); }
a { text-decoration:none; color:var(--primary); }
ul, ol { list-style:none; }

/* ===== Login Page ===== */
.login-page { display:flex; align-items:center; justify-content:center; min-height:100vh; background:linear-gradient(135deg,#667eea 0%,#764ba2 100%); }
.login-container { width:100%; max-width:400px; padding:20px; }
.login-card { background:#fff; border-radius:16px; padding:40px 32px; box-shadow:0 20px 60px rgba(0,0,0,0.15); }
.login-header { text-align:center; margin-bottom:32px; }
.login-logo { font-size:48px; margin-bottom:8px; }
.login-header h1 { font-size:24px; color:var(--gray-800); margin-bottom:4px; }
.login-header p { color:var(--gray-500); font-size:14px; }
.login-form .form-group { margin-bottom:20px; }
.login-form label { display:block; margin-bottom:6px; font-weight:600; color:var(--gray-700); font-size:13px; }
.login-form input { width:100%; padding:10px 14px; border:1px solid var(--gray-300); border-radius:8px; font-size:14px; transition:border-color .2s; }
.login-form input:focus { outline:none; border-color:var(--primary); box-shadow:0 0 0 3px var(--primary-light); }
.login-footer { text-align:center; margin-top:24px; color:var(--gray-400); font-size:12px; }

/* ===== Buttons ===== */
.btn { display:inline-flex; align-items:center; gap:4px; padding:6px 16px; border:none; border-radius:6px; font-size:14px; cursor:pointer; transition:all .15s; white-space:nowrap; }
.btn-primary { background:var(--primary); color:#fff; }
.btn-primary:hover { background:var(--primary-dark); }
.btn-success { background:var(--success); color:#fff; }
.btn-danger { background:var(--danger); color:#fff; }
.btn-warning { background:var(--warning); color:#fff; }
.btn-info { background:var(--info); color:#fff; }
.btn-default { background:var(--gray-200); color:var(--gray-700); }
.btn-default:hover { background:var(--gray-300); }
.btn-sm { padding:4px 10px; font-size:12px; }
.btn-block { width:100%; justify-content:center; padding:10px; }
.btn:disabled { opacity:.6; cursor:not-allowed; }

/* ===== Layout ===== */
.app-layout { display:flex; min-height:100vh; }
.sidebar { width:220px; background:var(--sidebar-bg); color:var(--sidebar-text); flex-shrink:0; position:fixed; top:0; bottom:0; left:0; overflow-y:auto; z-index:100; transition:transform .3s; }
.sidebar-brand { padding:20px 20px; font-size:18px; font-weight:700; color:#fff; display:flex; align-items:center; gap:8px; border-bottom:1px solid rgba(255,255,255,0.06); }
.sidebar-brand span { font-size:22px; }
.sidebar-nav { padding:8px 0; }
.sidebar-nav .nav-section { padding:12px 20px 4px; font-size:11px; text-transform:uppercase; color:var(--gray-600); letter-spacing:1px; }
.sidebar-nav a { display:flex; align-items:center; gap:10px; padding:10px 20px; color:var(--sidebar-text); font-size:14px; transition:all .15s; border-left:3px solid transparent; }
.sidebar-nav a:hover { background:var(--sidebar-hover); color:#fff; }
.sidebar-nav a.active { background:var(--sidebar-active); color:#fff; border-left-color:var(--primary); }
.sidebar-nav a .icon { font-size:16px; width:20px; text-align:center; }

.main-area { flex:1; margin-left:220px; display:flex; flex-direction:column; min-height:100vh; }
.topbar { background:#fff; height:56px; display:flex; align-items:center; justify-content:space-between; padding:0 24px; box-shadow:var(--shadow); position:sticky; top:0; z-index:50; }
.topbar-left { display:flex; align-items:center; gap:12px; }
.topbar-title { font-size:16px; font-weight:600; color:var(--gray-800); }
.topbar-right { display:flex; align-items:center; gap:16px; }
.topbar-user { display:flex; align-items:center; gap:8px; cursor:pointer; position:relative; }
.topbar-user .avatar { width:32px; height:32px; border-radius:50%; background:var(--primary); color:#fff; display:flex; align-items:center; justify-content:center; font-size:14px; }
.topbar-user .name { font-size:14px; color:var(--gray-700); }
.user-dropdown { position:absolute; top:100%; right:0; background:#fff; border:1px solid var(--gray-200); border-radius:8px; box-shadow:var(--shadow-md); min-width:160px; padding:4px; display:none; }
.user-dropdown.show { display:block; }
.user-dropdown a { display:block; padding:8px 12px; color:var(--gray-700); border-radius:4px; font-size:13px; }
.user-dropdown a:hover { background:var(--gray-100); }

.content { flex:1; padding:24px; }

/* ===== Cards ===== */
.card { background:var(--card-bg); border-radius:var(--radius); box-shadow:var(--shadow); overflow:hidden; margin-bottom:20px; }
.card-header { padding:16px 20px; border-bottom:1px solid var(--gray-200); display:flex; align-items:center; justify-content:space-between; }
.card-header h3 { font-size:16px; font-weight:600; }
.card-body { padding:20px; }

/* ===== Stat Cards ===== */
.stat-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:16px; margin-bottom:20px; }
.stat-card { background:#fff; border-radius:var(--radius); padding:20px; box-shadow:var(--shadow); display:flex; align-items:center; gap:16px; }
.stat-card .stat-icon { width:48px; height:48px; border-radius:12px; display:flex; align-items:center; justify-content:center; font-size:22px; flex-shrink:0; }
.stat-card .stat-icon.blue { background:#e3f2fd; color:#1976d2; }
.stat-card .stat-icon.green { background:#e8f5e9; color:#2e7d32; }
.stat-card .stat-icon.orange { background:#fff3e0; color:#ef6c00; }
.stat-card .stat-icon.purple { background:#f3e5f5; color:#7b1fa2; }
.stat-card .stat-info h3 { font-size:24px; font-weight:700; color:var(--gray-800); }
.stat-card .stat-info p { font-size:13px; color:var(--gray-500); margin-top:2px; }

/* ===== Tables ===== */
.table-toolbar { display:flex; align-items:center; justify-content:space-between; margin-bottom:16px; gap:12px; flex-wrap:wrap; }
.table-toolbar .toolbar-left { display:flex; gap:8px; align-items:center; flex-wrap:wrap; }
.table-toolbar .toolbar-right { display:flex; gap:8px; align-items:center; }
.search-box { display:flex; align-items:center; gap:6px; }
.search-box input { padding:6px 12px; border:1px solid var(--gray-300); border-radius:6px; font-size:13px; width:200px; }
.search-box input:focus { outline:none; border-color:var(--primary); }
.search-box select { padding:6px 12px; border:1px solid var(--gray-300); border-radius:6px; font-size:13px; }

.data-table { width:100%; border-collapse:collapse; }
.data-table th { background:var(--gray-50); padding:10px 14px; text-align:left; font-size:13px; font-weight:600; color:var(--gray-600); border-bottom:1px solid var(--gray-200); white-space:nowrap; }
.data-table td { padding:10px 14px; border-bottom:1px solid var(--gray-100); font-size:13px; }
.data-table tr:hover { background:var(--gray-50); }
.data-table .text-right { text-align:right; }
.data-table .text-center { text-align:center; }
.data-table .actions { display:flex; gap:4px; }

/* ===== Pagination ===== */
.pagination { display:flex; align-items:center; justify-content:space-between; padding:12px 0; }
.pagination .page-info { font-size:13px; color:var(--gray-500); }
.pagination .page-btns { display:flex; gap:4px; }
.pagination .page-btns button { padding:4px 10px; border:1px solid var(--gray-300); background:#fff; border-radius:4px; cursor:pointer; font-size:13px; }
.pagination .page-btns button:hover { background:var(--gray-100); }
.pagination .page-btns button.active { background:var(--primary); color:#fff; border-color:var(--primary); }
.pagination .page-btns button:disabled { opacity:.5; cursor:not-allowed; }

/* ===== Forms ===== */
.form-row { display:flex; gap:16px; margin-bottom:14px; flex-wrap:wrap; }
.form-row .form-group { flex:1; min-width:200px; }
.form-group { margin-bottom:14px; }
.form-group label { display:block; margin-bottom:6px; font-weight:600; font-size:13px; color:var(--gray-700); }
.form-group label .req { color:var(--danger); }
.form-group input, .form-group select, .form-group textarea { width:100%; padding:8px 12px; border:1px solid var(--gray-300); border-radius:6px; font-size:14px; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline:none; border-color:var(--primary); box-shadow:0 0 0 3px var(--primary-light); }
.form-group textarea { resize:vertical; min-height:80px; }

/* ===== Modal ===== */
.modal-overlay { position:fixed; inset:0; background:rgba(0,0,0,0.4); z-index:1000; display:none; align-items:flex-start; justify-content:center; padding:40px 20px; overflow-y:auto; }
.modal-overlay.show { display:flex; }
.modal { background:#fff; border-radius:12px; width:100%; max-width:640px; margin-bottom:40px; }
.modal.modal-lg { max-width:900px; }
.modal-header { padding:16px 20px; border-bottom:1px solid var(--gray-200); display:flex; align-items:center; justify-content:space-between; }
.modal-header h3 { font-size:16px; font-weight:600; }
.modal-close { background:none; border:none; font-size:24px; cursor:pointer; color:var(--gray-500); line-height:1; }
.modal-body { padding:20px; max-height:calc(100vh - 200px); overflow-y:auto; }
.modal-footer { padding:12px 20px; border-top:1px solid var(--gray-200); display:flex; justify-content:flex-end; gap:8px; }

/* ===== Badges ===== */
.badge { display:inline-block; padding:2px 8px; border-radius:10px; font-size:12px; font-weight:600; }
.badge-success { background:#d4edda; color:#155724; }
.badge-warning { background:#fff3cd; color:#856404; }
.badge-danger { background:#f8d7da; color:#721c24; }
.badge-info { background:#d1ecf1; color:#0c5460; }
.badge-default { background:var(--gray-200); color:var(--gray-700); }

/* ===== Toast ===== */
.toast { position:fixed; top:20px; right:20px; padding:12px 20px; border-radius:8px; color:#fff; font-size:14px; z-index:9999; animation:slideIn .3s; box-shadow:var(--shadow-md); }
.toast-success { background:var(--success); }
.toast-error { background:var(--danger); }
.toast-info { background:var(--info); }
@keyframes slideIn { from{transform:translateX(100%);opacity:0;} to{transform:translateX(0);opacity:1;} }

/* ===== Order Items Table ===== */
.order-items-table { width:100%; border-collapse:collapse; }
.order-items-table th { background:var(--gray-100); padding:8px; font-size:12px; text-align:left; }
.order-items-table td { padding:8px; border-bottom:1px solid var(--gray-100); font-size:13px; }
.order-items-table input { width:100%; padding:4px 8px; border:1px solid var(--gray-300); border-radius:4px; font-size:13px; }
.order-items-table .col-action { width:60px; text-align:center; }
.order-summary { display:flex; justify-content:flex-end; gap:24px; padding:12px 0; border-top:2px solid var(--gray-200); margin-top:8px; }
.order-summary .summary-item { text-align:right; }
.order-summary .summary-item label { display:block; font-size:12px; color:var(--gray-500); }
.order-summary .summary-item .value { font-size:18px; font-weight:700; color:var(--gray-800); }

/* ===== Empty state ===== */
.empty-state { text-align:center; padding:40px; color:var(--gray-400); }
.empty-state .icon { font-size:48px; margin-bottom:8px; }

/* ===== Responsive ===== */
@media (max-width:768px) {
  .sidebar { transform:translateX(-100%); }
  .sidebar.show { transform:translateX(0); }
  .main-area { margin-left:0; }
  .search-box input { width:140px; }
  .form-row { flex-direction:column; }
}