:root{--bg:#f8fafc;--bg-card:#fff;--bg-sidebar:#0f172a;--bg-sidebar-hover:#1e293b;--text:#1e293b;--text-secondary:#64748b;--text-muted:#94a3b8;--text-white:#f8fafc;--primary:#3b82f6;--primary-hover:#2563eb;--primary-light:#eff6ff;--success:#10b981;--success-light:#ecfdf5;--success-dark:#065f46;--danger:#ef4444;--danger-light:#fef2f2;--danger-dark:#991b1b;--warning:#f59e0b;--warning-light:#fffbeb;--warning-dark:#92400e;--border:#e2e8f0;--border-focus:#3b82f6;--radius:8px;--radius-sm:4px;--radius-lg:12px;--shadow:0 1px 3px #00000014;--shadow-md:0 4px 12px #0000001a;--sidebar-w:240px;--topbar-h:56px;--font:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-size:14px;line-height:1.5}.app-layout{min-height:100vh;display:flex}.sidebar{width:var(--sidebar-w);background:var(--bg-sidebar);color:var(--text-white);z-index:40;flex-direction:column;transition:transform .2s;display:flex;position:fixed;top:0;bottom:0;left:0}.sidebar-brand{border-bottom:1px solid #ffffff14;align-items:center;gap:12px;padding:20px 16px;display:flex}.brand-icon{background:var(--primary);border-radius:var(--radius);justify-content:center;align-items:center;width:36px;height:36px;font-size:18px;font-weight:800;display:flex}.brand-text{letter-spacing:-.5px;font-size:18px;font-weight:700}.sidebar-nav{flex-direction:column;flex:1;gap:2px;padding:12px 8px;display:flex;overflow-y:auto}.sidebar-item{border-radius:var(--radius);color:var(--text-muted);cursor:pointer;text-align:left;background:0 0;border:none;align-items:center;gap:12px;width:100%;padding:10px 12px;font-size:14px;transition:all .15s;display:flex}.sidebar-item:hover{background:var(--bg-sidebar-hover);color:var(--text-white)}.sidebar-item.active{background:var(--primary);color:#fff}.sidebar-item.logout{color:var(--danger)}.sidebar-item.logout:hover{background:#ef44441a}.sidebar-footer{border-top:1px solid #ffffff14;padding:12px 8px}.sidebar-user{align-items:center;gap:10px;margin-bottom:4px;padding:8px 12px;display:flex}.avatar{background:var(--primary);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-size:14px;font-weight:700;display:flex}.user-meta{flex-direction:column;display:flex}.user-name{color:var(--text-white);font-size:13px;font-weight:600}.user-role{color:var(--text-muted);text-transform:capitalize;font-size:11px}.sidebar-overlay{display:none}.main-area{margin-left:var(--sidebar-w);flex-direction:column;flex:1;min-height:100vh;display:flex}.topbar{height:var(--topbar-h);background:var(--bg-card);border-bottom:1px solid var(--border);z-index:30;align-items:center;gap:12px;padding:0 24px;display:flex;position:sticky;top:0}.topbar-title{flex:1;align-items:center;gap:8px;display:flex}.topbar-title h1{font-size:18px;font-weight:600}.topbar-title svg{color:var(--text-secondary)}.topbar-actions{align-items:center;gap:8px;display:flex}.menu-toggle{cursor:pointer;border-radius:var(--radius-sm);color:var(--text);background:0 0;border:none;padding:6px;display:none}.content{flex:1;width:100%;max-width:1200px;padding:24px}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow);margin-bottom:16px;padding:20px}.card-title{align-items:center;gap:8px;margin-bottom:12px;font-size:15px;font-weight:600;display:flex}.card-row{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.stat-row{grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;margin-bottom:24px;display:grid}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);text-align:center;cursor:pointer;box-shadow:var(--shadow);padding:20px;transition:all .15s}.stat-card:hover{border-color:var(--primary);box-shadow:var(--shadow-md);transform:translateY(-1px)}.stat-icon{margin:0 auto 8px}.stat-icon.pending{color:var(--warning)}.stat-icon.success{color:var(--success)}.stat-icon.danger{color:var(--danger)}.stat-num{font-size:28px;font-weight:800;line-height:1}.stat-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;margin-top:4px;font-size:12px}.table-wrap{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow);overflow-x:auto}table{border-collapse:collapse;width:100%}thead{background:var(--bg)}th{text-align:left;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--border);padding:10px 16px;font-size:12px;font-weight:600}td{border-bottom:1px solid var(--border);padding:12px 16px;font-size:13px}tr:last-child td{border-bottom:none}tr:hover,tr.row-active{background:var(--primary-light)}.mono{color:var(--text-secondary);font-family:JetBrains Mono,monospace;font-size:12px}.badge{border-radius:20px;align-items:center;gap:4px;padding:3px 10px;font-size:12px;font-weight:500;display:inline-flex}.badge.pending{background:var(--warning-light);color:var(--warning-dark)}.badge.success{background:var(--success-light);color:var(--success-dark)}.badge.danger{background:var(--danger-light);color:var(--danger-dark)}.badge.primary{background:var(--primary-light);color:var(--primary)}.badge.muted{background:var(--bg);color:var(--text-secondary)}.btn{border-radius:var(--radius);cursor:pointer;white-space:nowrap;border:1px solid #0000;align-items:center;gap:6px;padding:8px 16px;font-size:13px;font-weight:500;transition:all .15s;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-success{background:var(--success);color:#fff}.btn-success:hover:not(:disabled){background:#059669}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background:#dc2626}.btn-ghost{color:var(--text-secondary);border-color:var(--border);background:0 0}.btn-ghost:hover:not(:disabled){background:var(--bg);color:var(--text)}.btn-sm{padding:4px 10px;font-size:12px}.btn-full{justify-content:center;width:100%;padding:10px}.text-danger{color:var(--danger)}.text-success{color:var(--success)}.text-muted{color:var(--text-secondary);font-size:13px}.input{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-card);color:var(--text);flex:1;min-width:0;padding:8px 12px;font-size:13px;transition:border-color .15s}.input:focus{border-color:var(--border-focus);outline:none;box-shadow:0 0 0 3px #3b82f61a}.input-sm{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-card);padding:5px 8px;font-size:12px}.form-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.form-group{margin-bottom:16px}.form-group label{color:var(--text-secondary);margin-bottom:6px;font-size:13px;font-weight:500;display:block}.input-icon-wrap{position:relative}.input-icon-wrap .input{width:100%;padding-right:40px}.input-icon-btn{cursor:pointer;color:var(--text-muted);background:0 0;border:none;padding:4px;position:absolute;top:50%;right:8px;transform:translateY(-50%)}select.input{cursor:pointer}.toolbar{flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:16px;display:flex}.filter-group{color:var(--text-muted);align-items:center;gap:6px;display:flex}.filter-btn{border:1px solid var(--border);background:var(--bg-card);color:var(--text-secondary);cursor:pointer;border-radius:20px;align-items:center;gap:4px;padding:6px 12px;font-size:12px;font-weight:500;transition:all .15s;display:inline-flex}.filter-btn:hover{border-color:var(--primary);color:var(--primary)}.filter-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}.chip-row{flex-wrap:wrap;gap:8px;display:flex}.chip{border:1px solid var(--border);background:var(--bg-card);cursor:pointer;border-radius:20px;align-items:center;gap:6px;padding:6px 14px;font-size:13px;transition:all .15s;display:inline-flex}.chip:hover,.chip.active{background:var(--primary);color:#fff;border-color:var(--primary)}.chip-info{background:var(--bg);color:var(--text-secondary);border-radius:12px;padding:2px 8px;font-size:11px;display:inline-flex}.section-header{align-items:center;gap:10px;margin-bottom:16px;display:flex}.section-header h2{font-size:16px;font-weight:600}.count-badge{background:var(--primary-light);color:var(--primary);border-radius:12px;padding:2px 10px;font-size:12px;font-weight:600}.alert{border-radius:var(--radius);align-items:center;gap:8px;margin-bottom:16px;padding:10px 16px;font-size:13px;display:flex}.alert-error{background:var(--danger-light);color:var(--danger-dark)}.alert-success{background:var(--success-light);color:var(--success-dark)}.alert-warning{background:var(--warning-light);color:var(--warning-dark)}.progress-track{background:var(--border);border-radius:12px;height:24px;margin-bottom:20px;position:relative;overflow:hidden}.progress-fill{background:var(--success);border-radius:12px;height:100%;transition:width .3s}.progress-label{font-size:12px;font-weight:700;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.pagination{justify-content:center;align-items:center;gap:12px;margin-top:20px;display:flex}.pagination button{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-card);cursor:pointer;align-items:center;gap:4px;padding:6px 14px;font-size:13px;display:inline-flex}.pagination button:disabled{opacity:.4;cursor:not-allowed}.page-num{color:var(--text-secondary);font-size:13px}.action-bar{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.inline-form{align-items:center;gap:6px;display:flex}.split-layout{gap:20px;display:flex}.split-main{flex:1;min-width:0}.split-side{flex-shrink:0;width:360px}.member-list{flex-direction:column;gap:4px;margin-top:12px;display:flex}.member-item{border-radius:var(--radius);background:var(--bg);justify-content:space-between;align-items:center;padding:8px 12px;display:flex}.detail-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px;display:grid}.detail-item{flex-direction:column;gap:2px;display:flex}.detail-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;font-size:11px;font-weight:600}.preview-box{background:var(--bg);border-radius:var(--radius);border:1px solid var(--border);flex-wrap:wrap;gap:8px;margin-top:12px;padding:12px;display:flex}.preview-field{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);padding:4px 10px;font-size:12px}.sig-thumb{border-radius:var(--radius-sm);border:1px solid var(--border);height:32px}.sig-preview-box{background:var(--bg);border-radius:var(--radius);border:1px solid var(--border);padding:12px}.sig-preview-box img{border:1px solid var(--border);border-radius:var(--radius-sm);background:#fff;max-width:200px;height:auto;margin-top:4px}.empty-state{text-align:center;color:var(--text-muted);padding:48px 24px}.empty-state svg{margin-bottom:12px}.empty-state p{font-size:14px}.loading-spinner{border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;width:32px;height:32px;margin:48px auto;animation:.6s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.modal-overlay{z-index:50;background:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal{background:var(--bg-card);border-radius:var(--radius-lg);width:90%;max-width:480px;box-shadow:var(--shadow-md);padding:24px}.modal-header{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.modal-header h3{font-size:16px;font-weight:600}.modal textarea{border:1px solid var(--border);border-radius:var(--radius);resize:vertical;width:100%;font-size:13px;font-family:var(--font);margin-bottom:16px;padding:10px}.modal-footer{justify-content:flex-end;gap:8px;display:flex}.notif-wrapper{position:relative}.icon-btn{cursor:pointer;border-radius:var(--radius);color:var(--text-secondary);background:0 0;border:none;padding:8px;position:relative}.icon-btn:hover{background:var(--bg)}.notif-dot{background:var(--danger);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:18px;height:18px;font-size:10px;font-weight:700;display:flex;position:absolute;top:4px;right:4px}.notif-dropdown{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);width:320px;box-shadow:var(--shadow-md);z-index:50;max-height:400px;position:absolute;top:100%;right:0;overflow-y:auto}.notif-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:12px 16px;display:flex}.notif-empty{text-align:center;color:var(--text-muted);padding:24px;font-size:13px}.notif-item{border-bottom:1px solid var(--border);padding:12px 16px}.notif-item.unread{background:var(--primary-light)}.notif-item strong{font-size:13px}.notif-item p{color:var(--text-secondary);margin-top:2px;font-size:12px}.notif-item small{color:var(--text-muted);font-size:11px}.link-btn{color:var(--primary);cursor:pointer;background:0 0;border:none;padding:0;font-size:13px}.link-btn:hover{text-decoration:underline}.login-page{background:linear-gradient(135deg,#0f172a 0%,#1e293b 100%);justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex}.login-card{background:var(--bg-card);border-radius:var(--radius-lg);width:100%;max-width:400px;padding:40px;box-shadow:0 20px 60px #0000004d}.login-brand{text-align:center;margin-bottom:32px}.brand-icon-lg{background:var(--primary);border-radius:var(--radius-lg);color:#fff;justify-content:center;align-items:center;width:56px;height:56px;margin:0 auto 16px;font-size:24px;font-weight:800;display:flex}.login-brand h1{letter-spacing:-1px;font-size:24px;font-weight:800}.login-brand p{color:var(--text-secondary);margin-top:4px;font-size:14px}@media (width<=768px){.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0)}.sidebar-overlay{z-index:35;background:#00000080;display:block;position:fixed;inset:0}.main-area{margin-left:0}.menu-toggle{display:flex}.content{padding:16px}.stat-row{grid-template-columns:repeat(2,1fr)}.split-layout{flex-direction:column}.split-side{width:100%}.detail-grid{grid-template-columns:1fr}}