:root{--font-family: "Inter", "SF Pro", "Segoe UI", system-ui, sans-serif;--color-bg: #f1f5f9;--color-surface: #ffffff;--color-text: #0f172a;--color-text-secondary: #64748b;--color-border: #e2e8f0;--color-accent: #2563eb;--color-accent-hover: #1d4ed8;--color-accent-light: #eff6ff;--color-success: #16a34a;--color-warning: #f59e0b;--color-error: #dc2626;--sidebar-bg: #0f172a;--sidebar-text: #e2e8f0;--sidebar-active: #1e293b;--sidebar-hover: #1e293b;--radius: 8px;--shadow: 0 1px 3px rgba(0,0,0,.08);--shadow-md: 0 4px 12px rgba(0,0,0,.08)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);font-size:14px;line-height:1.5;color:var(--color-text);background:var(--color-bg);min-height:100vh}#root{min-height:100vh}.admin-layout{display:flex;min-height:100vh}.sidebar{width:260px;background:var(--sidebar-bg);color:var(--sidebar-text);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100;transition:transform .2s ease}.sidebar-header{display:flex;align-items:center;gap:12px;padding:20px 20px 16px;border-bottom:1px solid rgba(255,255,255,.08)}.sidebar-brand{font-weight:700;font-size:16px;color:#fff}.sidebar-sub{font-size:11px;color:#94a3b8;text-transform:uppercase;letter-spacing:.05em}.sidebar-nav{flex:1;padding:12px 8px;display:flex;flex-direction:column;gap:2px;overflow-y:auto}.nav-link{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:6px;color:#94a3b8;text-decoration:none;font-size:14px;font-weight:500;transition:all .15s ease}.nav-link:hover{background:var(--sidebar-hover);color:#e2e8f0}.nav-link.active{background:var(--sidebar-active);color:#fff}.sidebar-footer{padding:16px;border-top:1px solid rgba(255,255,255,.08)}.sidebar-user{display:flex;align-items:center;gap:10px;margin-bottom:12px}.avatar{width:36px;height:36px;border-radius:50%;background:var(--color-accent);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:14px;flex-shrink:0}.user-info{overflow:hidden}.user-email{font-size:13px;color:#e2e8f0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-role{font-size:11px;color:#64748b}.logout-btn{width:100%;padding:8px;border:1px solid rgba(255,255,255,.15);border-radius:6px;background:transparent;color:#94a3b8;cursor:pointer;font-size:13px;transition:all .15s}.logout-btn:hover{background:#ffffff0d;color:#fff}.main-content{flex:1;margin-left:260px;padding:28px 32px;min-height:100vh}.mobile-header{display:none;position:fixed;top:0;left:0;right:0;height:56px;background:var(--color-surface);border-bottom:1px solid var(--color-border);z-index:99;align-items:center;padding:0 16px;gap:12px}.menu-btn{background:none;border:none;cursor:pointer;color:var(--color-text);padding:4px}.mobile-title{font-weight:600;font-size:16px}.sidebar-overlay{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:99}@media (max-width: 768px){.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0)}.sidebar-overlay{display:block}.mobile-header{display:flex}.main-content{margin-left:0;padding:72px 16px 24px}}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;flex-wrap:wrap;gap:12px}.page-title{font-size:22px;font-weight:700;color:var(--color-text)}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow)}.card-header{padding:16px 20px;border-bottom:1px solid var(--color-border);font-weight:600;font-size:15px}.card-body{padding:20px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.stat-label{font-size:13px;color:var(--color-text-secondary);margin-bottom:4px;font-weight:500}.stat-value{font-size:28px;font-weight:700;line-height:1.2}.stat-sub{font-size:12px;color:var(--color-text-secondary);margin-top:4px}.table-wrapper{overflow-x:auto;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow)}.data-table{width:100%;border-collapse:collapse;font-size:13px}.data-table th{text-align:left;padding:12px 16px;background:#f8fafc;border-bottom:1px solid var(--color-border);font-weight:600;color:var(--color-text-secondary);font-size:12px;text-transform:uppercase;letter-spacing:.04em;white-space:nowrap}.data-table td{padding:12px 16px;border-bottom:1px solid var(--color-border);color:var(--color-text)}.data-table tbody tr:last-child td{border-bottom:none}.data-table tbody tr:hover{background:#f8fafc}.data-table tbody tr.clickable{cursor:pointer}.data-table tbody tr.clickable:hover{background:var(--color-accent-light)}.badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:12px;font-weight:500;line-height:1.5}.badge-success{background:#dcfce7;color:#166534}.badge-error{background:#fee2e2;color:#991b1b}.badge-warning{background:#fef3c7;color:#92400e}.badge-info{background:#dbeafe;color:#1e40af}.badge-neutral{background:#f1f5f9;color:#475569}.form-group{margin-bottom:16px}.form-label{display:block;font-size:13px;font-weight:500;color:var(--color-text);margin-bottom:4px}.form-input,.form-select{width:100%;padding:8px 12px;border:1px solid var(--color-border);border-radius:6px;font-size:14px;font-family:inherit;color:var(--color-text);background:var(--color-surface);transition:border-color .15s}.form-input:focus,.form-select:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px #2563eb1a}.form-row{display:flex;gap:12px;flex-wrap:wrap}.form-row .form-group{flex:1;min-width:160px}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border:1px solid transparent;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;font-family:inherit;transition:all .15s;white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--color-accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-accent-hover)}.btn-secondary{background:var(--color-surface);color:var(--color-text);border-color:var(--color-border)}.btn-secondary:hover:not(:disabled){background:#f8fafc}.btn-success{background:var(--color-success);color:#fff}.btn-success:hover:not(:disabled){background:#15803d}.btn-error{background:var(--color-error);color:#fff}.btn-error:hover:not(:disabled){background:#b91c1c}.btn-sm{padding:4px 10px;font-size:13px}.tabs{display:flex;border-bottom:2px solid var(--color-border);margin-bottom:20px;gap:0}.tab{padding:10px 20px;font-size:14px;font-weight:500;color:var(--color-text-secondary);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;background:none;border-top:none;border-left:none;border-right:none;font-family:inherit;transition:all .15s}.tab:hover{color:var(--color-text)}.tab.active{color:var(--color-accent);border-bottom-color:var(--color-accent)}.search-bar{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}.search-bar .form-input{max-width:320px}.empty-state{text-align:center;padding:48px 20px;color:var(--color-text-secondary);font-size:15px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius)}.alert{padding:12px 16px;border-radius:6px;margin-bottom:16px;font-size:14px}.alert-error{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}.alert-success{background:#dcfce7;color:#166534;border:1px solid #bbf7d0}.spinner{width:32px;height:32px;border:3px solid var(--color-border);border-top-color:var(--color-accent);border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-center{display:flex;justify-content:center;padding:48px}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--sidebar-bg);padding:20px}.login-card{width:100%;max-width:400px;background:var(--color-surface);border-radius:12px;padding:40px 32px;box-shadow:0 20px 60px #0000004d}.login-logo{text-align:center;margin-bottom:28px}.login-logo h2{font-size:22px;margin-top:8px}.login-logo p{color:var(--color-text-secondary);font-size:14px;margin-top:4px}.login-card .form-group{margin-bottom:20px}.login-card .btn-primary{width:100%;padding:10px;font-size:15px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media (max-width: 768px){.grid-2{grid-template-columns:1fr}}.section{margin-bottom:24px}.section-title{font-size:16px;font-weight:600;margin-bottom:12px}.info-list{display:flex;flex-direction:column;gap:8px}.info-item{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--color-border);font-size:14px}.info-item:last-child{border-bottom:none}.info-label{color:var(--color-text-secondary)}.info-value{font-weight:500}.inline-form{display:flex;gap:8px;align-items:flex-end;flex-wrap:wrap}.inline-form .form-group{margin-bottom:0}