*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--sidebar-bg: #0f1117;--sidebar-width: 240px;--primary: #6366f1;--primary-hover: #4f46e5;--danger: #ef4444;--success: #22c55e;--warning: #f59e0b;--bg: #f8f9fb;--card-bg: #ffffff;--border: #e5e7eb;--text: #111827;--text-muted: #6b7280;--text-sidebar: #9ca3af;--text-sidebar-active: #ffffff;--radius: 8px;--shadow: 0 1px 3px rgba(0, 0, 0, .08), 0 1px 2px rgba(0, 0, 0, .04)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5}a{text-decoration:none;color:inherit}.layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background:var(--sidebar-bg);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100}.sidebar-logo{padding:20px 20px 16px;border-bottom:1px solid rgba(255,255,255,.06)}.sidebar-logo span{font-size:18px;font-weight:700;color:#fff;letter-spacing:-.5px}.sidebar-logo span em{color:var(--primary);font-style:normal}.sidebar-nav{flex:1;padding:12px 0;overflow-y:auto}.nav-group{margin-bottom:4px}.nav-label{font-size:10px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:#ffffff40;padding:8px 20px 4px}.nav-item{display:flex;align-items:center;gap:10px;padding:9px 20px;color:var(--text-sidebar);cursor:pointer;border-radius:0;transition:background .15s,color .15s;font-size:13.5px}.nav-item:hover{background:#ffffff0d;color:#fff}.nav-item.active{background:#6366f133;color:var(--text-sidebar-active)}.nav-item.active .nav-icon{color:var(--primary)}.nav-icon{width:16px;height:16px;flex-shrink:0}.main{margin-left:var(--sidebar-width);flex:1;display:flex;flex-direction:column;min-height:100vh;width:calc(100% - var(--sidebar-width))}.topbar{height:56px;background:var(--card-bg);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 24px;justify-content:space-between;position:sticky;top:0;z-index:50}.topbar-title{font-size:15px;font-weight:600}.page-content{padding:24px;flex:1}.card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.card-header{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.card-title{font-size:14px;font-weight:600}.card-body{padding:20px}.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:6px;font-size:13px;font-weight:500;cursor:pointer;border:none;transition:background .15s,opacity .15s;line-height:1}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background:#dc2626}.btn-ghost{background:transparent;color:var(--text-muted);border:1px solid var(--border)}.btn-ghost:hover:not(:disabled){background:var(--bg);color:var(--text)}.btn-sm{padding:5px 10px;font-size:12px}.btn-icon{padding:6px;border-radius:6px;background:transparent;border:1px solid var(--border);cursor:pointer;display:inline-flex;align-items:center;color:var(--text-muted);transition:all .15s}.btn-icon:hover{background:var(--bg);color:var(--text)}.btn-icon.danger:hover{background:#fef2f2;color:var(--danger);border-color:#fecaca}.form-group{margin-bottom:16px}.form-label{display:block;font-size:12.5px;font-weight:500;color:var(--text-muted);margin-bottom:6px}.form-input,.form-select,.form-textarea{width:100%;padding:8px 12px;border:1px solid var(--border);border-radius:6px;font-size:13.5px;color:var(--text);background:#fff;outline:none;transition:border .15s;font-family:inherit}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--primary)}.form-textarea{resize:vertical;min-height:80px}.form-select{appearance:none;cursor:pointer}.table{width:100%;border-collapse:collapse}.table th{text-align:left;font-size:11.5px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);padding:10px 16px;border-bottom:1px solid var(--border)}.table td{padding:12px 16px;border-bottom:1px solid var(--border);font-size:13.5px}.table tr:last-child td{border-bottom:none}.table tr:hover td{background:var(--bg)}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:500}.badge-success{background:#dcfce7;color:#15803d}.badge-warning{background:#fef9c3;color:#a16207}.badge-danger{background:#fee2e2;color:#b91c1c}.badge-gray{background:#f3f4f6;color:#4b5563}.badge-primary{background:#ede9fe;color:#6d28d9}.modal-overlay{position:fixed;inset:0;background:#00000073;display:flex;align-items:center;justify-content:center;z-index:200;padding:20px}.modal{background:#fff;border-radius:10px;width:100%;max-width:480px;box-shadow:0 20px 60px #00000026}.modal-header{padding:18px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.modal-title{font-size:15px;font-weight:600}.modal-body{padding:20px}.modal-footer{padding:14px 20px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.page-header h1{font-size:18px;font-weight:700}.empty-state{text-align:center;padding:48px 24px;color:var(--text-muted)}.empty-state svg{margin:0 auto 12px;opacity:.3}.empty-state p{font-size:13.5px}.tabs{display:flex;gap:2px;border-bottom:1px solid var(--border);margin-bottom:20px}.tab-item{padding:8px 16px;font-size:13px;font-weight:500;color:var(--text-muted);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px;transition:color .15s,border-color .15s}.tab-item:hover{color:var(--text)}.tab-item.active{color:var(--primary);border-color:var(--primary)}.alert{padding:10px 14px;border-radius:6px;font-size:13px;margin-bottom:16px}.alert-error{background:#fee2e2;color:#b91c1c}.alert-success{background:#dcfce7;color:#15803d}.spinner{width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-center{display:flex;align-items:center;justify-content:center;padding:48px}