:root{--bg-main:#f8fafc;--bg-card:#fff;--bg-subtle:#f1f5f9;--border-color:#e2e8f0;--border-focus:#3b82f6;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--color-primary:#2563eb;--color-primary-hover:#1d4ed8;--color-primary-light:#eff6ff;--color-success:#10b981;--color-success-light:#ecfdf5;--color-warning:#f59e0b;--color-warning-light:#fffbeb;--color-danger:#ef4444;--color-danger-light:#fef2f2;--color-info:#0284c7;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #00000012, 0 2px 4px -2px #0000000d;--shadow-lg:0 10px 15px -3px #00000014, 0 4px 6px -4px #0000000a;--radius-sm:6px;--radius-md:10px;--radius-lg:14px}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-main);color:var(--text-primary);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.5}button,input,select,textarea{font-family:inherit}.app-container{flex-direction:column;min-height:100vh;display:flex}.top-navbar{background-color:var(--bg-card);border-bottom:1px solid var(--border-color);z-index:50;height:64px;box-shadow:var(--shadow-sm);justify-content:space-between;align-items:center;padding:0 24px;display:flex;position:sticky;top:0}.brand-section{align-items:center;gap:12px;display:flex}.brand-icon{border-radius:var(--radius-md);color:#fff;background:linear-gradient(135deg,#2563eb,#06b6d4);justify-content:center;align-items:center;width:36px;height:36px;font-size:18px;font-weight:700;display:flex}.brand-title{color:var(--text-primary);letter-spacing:-.02em;font-size:18px;font-weight:700}.nav-links{align-items:center;gap:6px;display:flex}.nav-item{border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;background:0 0;border:none;align-items:center;gap:6px;padding:8px 14px;font-size:14px;font-weight:500;transition:all .2s;display:flex}.nav-item:hover{background-color:var(--bg-subtle);color:var(--color-primary)}.nav-item.active{background-color:var(--color-primary-light);color:var(--color-primary);font-weight:600}.nav-user{align-items:center;gap:14px;display:flex}.user-badge{background-color:var(--bg-subtle);color:var(--text-secondary);border-radius:20px;align-items:center;gap:8px;padding:4px 10px;font-size:13px;display:flex}.role-tag{color:#1e40af;background-color:#dbeafe;border-radius:4px;padding:2px 6px;font-size:11px;font-weight:600}.btn-logout{border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;background:0 0;align-items:center;gap:4px;padding:6px 12px;font-size:13px;transition:all .2s;display:flex}.btn-logout:hover{background-color:var(--color-danger-light);color:var(--color-danger);border-color:#fca5a5}.main-content{flex:1;width:100%;max-width:1440px;margin:0 auto;padding:24px}.card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);margin-bottom:20px;padding:20px}.card-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;margin-bottom:16px;padding-bottom:12px;display:flex}.card-title{color:var(--text-primary);align-items:center;gap:8px;font-size:16px;font-weight:600;display:flex}.card-actions{align-items:center;gap:10px;display:flex}.kpi-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:20px;display:grid}.kpi-card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);justify-content:space-between;align-items:flex-start;padding:16px;transition:transform .2s,box-shadow .2s;display:flex}.kpi-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.kpi-label{color:var(--text-secondary);margin-bottom:6px;font-size:13px}.kpi-value{color:var(--text-primary);align-items:baseline;gap:4px;font-size:24px;font-weight:700;display:flex}.kpi-unit{color:var(--text-muted);font-size:13px;font-weight:500}.kpi-sub{color:var(--text-muted);align-items:center;gap:4px;margin-top:4px;font-size:12px;display:flex}.kpi-icon-box{border-radius:var(--radius-md);justify-content:center;align-items:center;width:44px;height:44px;display:flex}.btn-primary{background-color:var(--color-primary);color:#fff;border-radius:var(--radius-sm);cursor:pointer;border:none;align-items:center;gap:6px;padding:8px 16px;font-size:14px;font-weight:500;transition:background-color .2s;display:flex}.btn-primary:hover{background-color:var(--color-primary-hover)}.btn-secondary{background-color:var(--bg-subtle);color:var(--text-secondary);border:1px solid var(--border-color);border-radius:var(--radius-sm);cursor:pointer;align-items:center;gap:6px;padding:8px 16px;font-size:14px;font-weight:500;transition:all .2s;display:flex}.btn-secondary:hover{color:var(--text-primary);background-color:#e2e8f0}.btn-outline-danger{color:var(--color-danger);border-radius:var(--radius-sm);cursor:pointer;background-color:#0000;border:1px solid #fecaca;padding:6px 12px;font-size:13px}.btn-outline-danger:hover{background-color:var(--color-danger-light)}.custom-table{border-collapse:collapse;width:100%;font-size:13px}.custom-table th{background-color:var(--bg-subtle);color:var(--text-secondary);text-align:left;border-bottom:1px solid var(--border-color);padding:10px 14px;font-weight:600}.custom-table td{border-bottom:1px solid var(--border-color);color:var(--text-secondary);padding:10px 14px}.custom-table tr:hover td{background-color:#f8fafc}.badge{border-radius:12px;align-items:center;padding:2px 8px;font-size:11px;font-weight:600;display:inline-flex}.badge-sharp{color:#dc2626;background-color:#fee2e2}.badge-peak{color:#d97706;background-color:#fef3c7}.badge-flat{color:#0284c7;background-color:#e0f2fe}.badge-valley{color:#15803d;background-color:#dcfce7}.badge-deep{color:#047857;background-color:#d1fae5}.badge-active{color:#166534;background-color:#dcfce7}.badge-disabled{color:#64748b;background-color:#f1f5f9}.footer-copyright{text-align:center;color:var(--text-muted);border-top:1px solid var(--border-color);background-color:var(--bg-card);margin-top:auto;padding:20px 0;font-size:12px}.login-wrapper{background:linear-gradient(#f8fafc 0%,#edf2f7 100%);flex-direction:column;min-height:100vh;display:flex}.login-body{flex:1;justify-content:center;align-items:center;padding:24px;display:flex}.login-card{border-radius:var(--radius-lg);border:1px solid var(--border-color);width:100%;max-width:420px;box-shadow:var(--shadow-lg);background-color:#fff;padding:36px 32px}.login-header{text-align:center;margin-bottom:28px}.login-logo{border-radius:var(--radius-md);color:#fff;background:linear-gradient(135deg,#2563eb,#0284c7);justify-content:center;align-items:center;width:48px;height:48px;margin:0 auto 14px;font-size:24px;font-weight:700;display:flex}.login-title{color:var(--text-primary);margin-bottom:6px;font-size:20px;font-weight:700}.login-desc{color:var(--text-secondary);font-size:13px}.form-group{margin-bottom:18px}.form-label{color:var(--text-primary);margin-bottom:6px;font-size:13px;font-weight:500;display:block}.form-input{border:1px solid var(--border-color);border-radius:var(--radius-sm);width:100%;height:40px;color:var(--text-primary);background-color:#fff;outline:none;padding:0 12px;font-size:14px;transition:border-color .2s,box-shadow .2s}.form-input:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px #3b82f626}.form-select{border:1px solid var(--border-color);border-radius:var(--radius-sm);width:100%;height:40px;color:var(--text-primary);background-color:#fff;outline:none;padding:0 12px;font-size:14px}.form-row{grid-template-columns:1fr 1fr;gap:16px;display:grid}.error-alert{background-color:var(--color-danger-light);color:var(--color-danger);border-radius:var(--radius-sm);border:1px solid #fca5a5;align-items:center;gap:8px;margin-bottom:16px;padding:10px 14px;font-size:13px;display:flex}.success-alert{background-color:var(--color-success-light);color:var(--color-success);border-radius:var(--radius-sm);border:1px solid #86efac;align-items:center;gap:8px;margin-bottom:16px;padding:10px 14px;font-size:13px;display:flex}.modal-backdrop{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:100;background-color:#0f172a66;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal-card{border-radius:var(--radius-lg);border:1px solid var(--border-color);width:100%;max-width:580px;box-shadow:var(--shadow-lg);background-color:#fff;overflow:hidden}.modal-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.modal-title{color:var(--text-primary);font-size:16px;font-weight:600}.modal-body{max-height:75vh;padding:20px;overflow-y:auto}.modal-footer{border-top:1px solid var(--border-color);background-color:var(--bg-subtle);justify-content:flex-end;gap:10px;padding:14px 20px;display:flex}.tab-pill-group{background-color:var(--bg-subtle);border-radius:var(--radius-sm);gap:8px;width:fit-content;padding:4px;display:flex}.tab-pill{border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;background:0 0;border:none;padding:6px 14px;font-size:13px;font-weight:500;transition:all .2s}.tab-pill.active{color:var(--color-primary);box-shadow:var(--shadow-sm);background-color:#fff;font-weight:600}