:root{--sr-teal:#0a7b6b;--sr-teal-light:#0c8e7c;--sr-teal-50:#e6f5f2;--sr-orange:#e85d24;--sr-red:#dc3545;--sr-blue:#3b82f6;--sr-green:#10b981;--sr-ink:#1a1a2e;--sr-mist:#f5f7fa;--sr-border:#e5e7eb;--sr-text-secondary:#5c5c6e;--sr-text-muted:#9e9eae;--sr-input-bg:#f3f4f6;--sr-input-border:#b0b4ba}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{color:var(--sr-ink);-webkit-font-smoothing:antialiased;font-family:Pretendard,Noto Sans KR,-apple-system,sans-serif;font-size:14px;line-height:1.5}@keyframes fadeUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#9ca3af}.login-page{background:linear-gradient(135deg,#f0f7f5 0%,#fafbfc 50%,#f5f7fa 100%);justify-content:center;align-items:center;min-height:100vh;display:flex;position:relative;overflow:hidden}.login-bg-circle{pointer-events:none;border-radius:50%;position:fixed}.login-bg-circle--teal{background:radial-gradient(circle,#0a7b6b0d,#0000 70%);width:600px;height:600px;top:-20%;right:-10%}.login-bg-circle--orange{background:radial-gradient(circle,#e85d240a,#0000 70%);width:500px;height:500px;bottom:-15%;left:-5%}.login-card{border:1px solid var(--sr-border);text-align:center;background:#fff;border-radius:16px;width:440px;padding:48px 40px;animation:.6s fadeUp;position:relative;box-shadow:0 4px 24px #0000000f}.login-logo{justify-content:center;align-items:center;margin-bottom:28px;display:flex}.login-logo img{object-fit:contain;max-width:260px;height:auto}.login-tagline{letter-spacing:3.5px;color:var(--sr-text-muted);text-transform:uppercase;margin-bottom:36px;font-size:9px;font-weight:500}.login-input{border:1.5px solid var(--sr-input-border);background:var(--sr-input-bg);width:100%;color:var(--sr-ink);border-radius:8px;outline:none;margin-bottom:14px;padding:12px 16px;font-family:inherit;font-size:15px;transition:border-color .15s,box-shadow .15s}.login-input::placeholder{color:var(--sr-text-muted)}.login-input:focus{border-color:var(--sr-teal);box-shadow:0 0 0 2px #0a7b6b1f}.login-error{color:#dc2626;text-align:left;background:#fef2f2;border-radius:6px;margin-bottom:10px;padding:10px 14px;font-size:13px;animation:.2s fadeIn}.login-btn{background:var(--sr-teal);color:#fff;cursor:pointer;border:none;border-radius:8px;width:100%;margin-top:6px;padding:13px;font-family:inherit;font-size:16px;font-weight:600;transition:background .15s}.login-btn:hover:not(:disabled){background:var(--sr-teal-light)}.login-btn:disabled{background:var(--sr-text-muted);cursor:wait}.login-hint{color:var(--sr-text-muted);margin-top:16px;font-size:12px}.app-shell{flex-direction:column;height:100vh;display:flex}.app-body{flex:1;display:flex;overflow:hidden}.app-header{border-bottom:1px solid var(--sr-border);background:#fff;flex-shrink:0;justify-content:space-between;align-items:center;height:56px;padding:0 20px;display:flex}.header-left{align-items:center;gap:12px;display:flex}.menu-toggle{width:36px;height:36px;color:var(--sr-text-secondary);cursor:pointer;background:0 0;border:none;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;display:none}.menu-toggle:hover{background:var(--sr-mist)}.header-right{color:var(--sr-text-secondary);align-items:center;gap:12px;font-size:13px;display:flex}.header-site{white-space:nowrap}.header-username{color:var(--sr-ink);white-space:nowrap;font-weight:500}.header-logout{border:1px solid var(--sr-border);color:var(--sr-text-secondary);cursor:pointer;background:0 0;border-radius:6px;padding:5px 12px;font-family:inherit;font-size:12px;transition:all .15s}.header-logout:hover{background:var(--sr-mist);border-color:var(--sr-text-muted)}.sidebar-overlay{display:none}.app-sidebar{border-right:1px solid var(--sr-border);background:#f0f4f2;flex-shrink:0;width:220px;padding:14px 10px;transition:transform .25s;overflow-y:auto}.nav-group{margin-bottom:14px}.nav-group-label{text-transform:uppercase;letter-spacing:.8px;color:var(--sr-text-muted);margin-bottom:3px;padding:4px 12px;font-size:10px;font-weight:700}.nav-item{color:var(--sr-text-secondary);cursor:pointer;border-radius:6px;align-items:center;gap:9px;margin-bottom:1px;padding:8px 12px;font-size:13px;transition:all .1s;display:flex}.nav-item:hover{color:var(--sr-ink);background:#0a7b6b0f}.nav-item.active{color:var(--sr-teal);background:#0a7b6b1f;font-weight:600}.nav-icon{flex-shrink:0;justify-content:center;align-items:center;width:16px;height:16px;font-size:14px;display:flex}.app-content{background:var(--sr-mist);flex:1;padding:22px;overflow-y:auto}.page-header{justify-content:space-between;align-items:center;margin-bottom:18px;display:flex}.page-title{color:var(--sr-ink);margin:0;font-size:19px;font-weight:600}.page-header-right{align-items:center;gap:10px;display:flex}.filter-label{color:var(--sr-text-secondary);font-size:13px}.filter-select{border:1px solid var(--sr-border);background:var(--sr-input-bg);color:var(--sr-ink);cursor:pointer;border-radius:6px;outline:none;min-width:160px;padding:8px 12px;font-family:inherit;font-size:13px}.filter-select:focus{border-color:var(--sr-teal)}.auto-refresh-label{color:var(--sr-text-muted);font-size:12px}.card{border:1px solid var(--sr-border);background:#fff;border-radius:10px;padding:18px}.section-label{color:var(--sr-ink);margin-bottom:12px;font-size:15px;font-weight:600}.stat-grid{grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:20px;display:grid}.stat-card{border:1px solid var(--sr-border);background:#fff;border-radius:10px;padding:18px 20px;animation:.4s both fadeUp;position:relative;overflow:hidden}.stat-card:nth-child(2){animation-delay:50ms}.stat-card:nth-child(3){animation-delay:.1s}.stat-card:nth-child(4){animation-delay:.15s}.stat-icon{opacity:.12;font-size:28px;position:absolute;top:12px;right:14px}.stat-label{color:var(--sr-ink);margin-bottom:6px;font-size:15px;font-weight:600}.stat-value{font-size:44px;font-weight:700;line-height:1.1}.dashboard-mid{grid-template-columns:1fr 1fr;gap:14px;margin-bottom:20px;display:grid}.dash-alert-card{min-height:180px}.dash-count-badge{color:#fff;border-radius:10px;justify-content:center;align-items:center;min-width:20px;height:20px;padding:0 6px;font-size:11px;font-weight:700;display:inline-flex}.dash-empty-good{color:var(--sr-text-muted);flex-direction:column;justify-content:center;align-items:center;gap:8px;padding:32px;font-size:14px;display:flex}.dash-alert-list{flex-direction:column;gap:8px;display:flex}.dash-alert-item{cursor:pointer;background:#fef2f2;border:1px solid #fecaca;border-radius:8px;padding:10px 12px;transition:all .15s}.dash-alert-item:hover{background:#fee2e2}.dash-alert-top{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:4px;display:flex}.dash-alert-top .sr-badge{white-space:nowrap}.dash-alert-device{color:var(--sr-ink);flex:1;font-size:13px;font-weight:600}.dash-alert-time{color:var(--sr-text-muted);font-size:11px}.dash-alert-bottom{gap:12px;font-size:12px;display:flex}.dash-offline-card{min-height:180px}.dash-offline-list{flex-direction:column;gap:4px;display:flex}.dash-offline-item{background:var(--sr-mist);cursor:pointer;border-radius:6px;flex-wrap:wrap;align-items:center;gap:10px;padding:8px 12px;font-size:13px;transition:background .15s;display:flex}.dash-offline-item .sr-badge{white-space:nowrap}.dash-offline-item:hover{background:#0a7b6b0d}.dash-more-hint{color:#9ca3af;text-align:center;border-top:1px solid #f3f4f6;margin-top:4px;padding:8px 12px;font-size:12px}.dash-offline-name{color:var(--sr-ink);flex:1;font-weight:500}.dash-offline-id{color:var(--sr-text-muted);font-size:11px}.dash-offline-time{color:var(--sr-red);font-size:11px;font-weight:500}.status-dot{border-radius:50%;flex-shrink:0;width:8px;height:8px}.status-dot.online{background:var(--sr-green)}.status-dot.offline{background:#d1d5db}.device-status-name{color:var(--sr-ink);flex:1;font-weight:500}.device-status-time{color:var(--sr-text-muted);font-size:12px}.table-card{padding:0;overflow:hidden}.table-card:has(.action-split__menu){overflow:visible}.table-card .data-table{min-width:540px}.table-scroll{-webkit-overflow-scrolling:touch;overflow-x:auto}.table-header{border-bottom:1px solid var(--sr-border);padding:14px 18px}.data-table{border-collapse:collapse;width:100%;font-size:13px}.data-table th{text-align:left;color:var(--sr-text-muted);text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--sr-border);background:#fafbfc;padding:10px 14px;font-size:11px;font-weight:600}.data-table td{color:var(--sr-ink);vertical-align:middle;border-bottom:1px solid #f0f0f0;padding:10px 14px}.data-table tbody tr{transition:background .1s}.data-table tbody tr:hover{background:#0a7b6b08}.text-secondary{color:var(--sr-text-secondary)}.text-muted{color:var(--sr-text-muted)}.loading-box{color:var(--sr-text-muted);justify-content:center;align-items:center;padding:80px;font-size:15px;animation:.3s fadeIn;display:flex}.error-banner{color:#dc2626;background:#fef2f2;border:1px solid #fecaca;border-radius:8px;margin-bottom:16px;padding:12px 16px;font-size:13px;animation:.2s fadeIn}.empty-text{text-align:center;color:var(--sr-text-muted);padding:24px;font-size:13px}.filter-row{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:16px;display:flex}.filter-input{border:1px solid var(--sr-border);background:var(--sr-input-bg);color:var(--sr-ink);border-radius:6px;outline:none;min-width:180px;padding:8px 12px;font-family:inherit;font-size:13px}.filter-input:focus{border-color:var(--sr-teal)}.pagination{color:var(--sr-text-secondary);justify-content:flex-end;align-items:center;gap:4px;padding:12px 14px;font-size:12px;display:flex}.pagination-info{margin-right:8px}.page-btn{border:1px solid var(--sr-border);cursor:pointer;width:28px;height:28px;color:var(--sr-text-secondary);background:0 0;border-radius:4px;justify-content:center;align-items:center;font-family:inherit;font-size:12px;display:flex}.page-btn.active{background:var(--sr-teal);color:#fff;border-color:var(--sr-teal)}.page-btn:disabled{opacity:.4;cursor:default}.action-btn{border:1px solid var(--sr-border);color:var(--sr-teal);cursor:pointer;white-space:nowrap;background:0 0;border-radius:5px;padding:5px 12px;font-family:inherit;font-size:12px;font-weight:500;transition:all .15s}.action-btn:hover{background:var(--sr-teal-50)}.action-btn--danger{color:var(--sr-red)}.action-btn--danger:hover{background:#fef2f2}.action-btn--primary{color:#fff;background:var(--sr-teal);border-color:var(--sr-teal)}.action-btn--primary:hover{background:var(--sr-teal-light);border-color:var(--sr-teal-light)}.action-btn--primary:disabled{opacity:.6;cursor:not-allowed}.primary-btn{background:var(--sr-teal);color:#fff;cursor:pointer;border:none;border-radius:6px;padding:8px 18px;font-family:inherit;font-size:13px;font-weight:600;transition:background .15s}.primary-btn:hover{background:var(--sr-teal-light)}.primary-btn:disabled{cursor:not-allowed;background:#d1d5db}.primary-btn--danger{background:var(--sr-red)}.primary-btn--danger:hover{background:#c82333}.primary-btn--danger:disabled{background:#f3b5bc}.action-split{background:var(--sr-teal);white-space:nowrap;border:none;border-radius:4px;align-items:stretch;font-family:inherit;display:inline-flex;position:relative}.action-split__primary,.action-split__caret{color:#fff;cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;font-family:inherit;font-size:11px;font-weight:600;line-height:1.5;transition:background .15s;display:inline-flex}.action-split__primary{border-right:1px solid #ffffff4d;border-radius:4px 0 0 4px;padding:3px 10px}.action-split__caret{border-radius:0 4px 4px 0;min-width:22px;padding:3px 6px}.action-split__primary:only-child{border-right:none;border-radius:4px}.action-split__primary:hover,.action-split__caret:hover{background:#ffffff26}.action-split__menu{border:1px solid var(--sr-border);z-index:100;background:#fff;border-radius:6px;min-width:160px;padding:4px 0;position:absolute;top:calc(100% + 4px);right:0;box-shadow:0 4px 12px #00000014}.data-table--responsive tbody tr:has(.action-split__menu){z-index:50}.table-scroll:has(.action-split__menu){overflow:visible}.editable-text{align-items:center;gap:2px;display:inline-flex}.edit-icon-btn{cursor:pointer;opacity:.3;border-radius:3px;align-items:center;padding:2px;transition:opacity .15s;display:inline-flex}.edit-icon-btn:hover{opacity:.8;background:#0a7b6b14}.editable-cell{color:var(--sr-teal);cursor:pointer;font-weight:500}.editable-cell:hover{text-decoration:underline}.inline-edit-input{border:1.5px solid var(--sr-teal);border-radius:4px;outline:none;width:100%;padding:4px 8px;font-family:inherit;font-size:13px}.form-readonly{border:1px solid var(--sr-border);background:var(--sr-mist);color:var(--sr-text-secondary);border-radius:6px;padding:9px 12px;font-size:13px}.detail-header{border:1px solid var(--sr-border);background:#fff;border-radius:10px;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:18px;padding:18px;display:grid}.detail-item label{color:var(--sr-text-muted);text-transform:uppercase;letter-spacing:.4px;margin-bottom:3px;font-size:10px;font-weight:600;display:block}.detail-item span{color:var(--sr-ink);font-size:14px;font-weight:500}.breadcrumb-back{color:var(--sr-text-muted);cursor:pointer;font-size:14px;font-weight:400}.breadcrumb-back:hover{color:var(--sr-teal)}.breadcrumb-sep{color:var(--sr-text-muted);margin:0 6px;font-weight:400}.sensor-grid{grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:18px;display:grid}.sensor-card{border:1px solid var(--sr-border);border-left:3px solid var(--sr-green);cursor:pointer;background:#fff;border-radius:10px;padding:14px 16px;transition:box-shadow .15s}.sensor-card:hover{box-shadow:0 2px 8px #0000000f}.sensor-card-header{justify-content:space-between;align-items:center;margin-bottom:6px;display:flex}.sensor-label{color:var(--sr-text-muted);text-transform:uppercase;letter-spacing:.3px;font-size:12px;font-weight:600}.sensor-status-normal{color:var(--sr-green);font-size:11px;font-weight:500}.sensor-value{color:var(--sr-ink);font-size:28px;font-weight:700;line-height:1.1}.sensor-unit-line{color:var(--sr-text-muted);margin-top:2px;font-size:12px}.sensor-value-row{justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:4px;display:flex}.sensor-value-left{flex-shrink:0}.sensor-stats{align-items:flex-end;gap:8px;padding-top:4px;display:flex}.sensor-stat-item{flex-direction:column;align-items:center;gap:1px;display:flex}.sensor-stat-label{color:var(--sr-text-muted);font-size:9px;font-weight:500}.sensor-stat-val{color:var(--sr-text-secondary);font-size:12px;font-weight:600}.sensor-unit{color:var(--sr-text-secondary);font-size:13px;font-weight:400}.mini-chart-wrap{border-top:1px solid #f0f0f0;margin-top:4px;padding-top:8px}.mini-chart-stats{color:var(--sr-text-muted);gap:10px;margin-bottom:4px;font-size:10px;display:flex}.mini-chart-stats b{color:var(--sr-text-secondary);font-weight:600}.mini-chart-time{color:silver;justify-content:space-between;margin-top:2px;font-size:9px;display:flex}.mini-chart-empty{text-align:center;color:var(--sr-text-muted);border-top:1px solid #f0f0f0;margin-top:4px;padding:14px 0;font-size:11px}.modal-overlay{z-index:200;background:#0006;justify-content:center;align-items:center;animation:.15s fadeIn;display:flex;position:fixed;inset:0}.modal-card{background:#fff;border-radius:12px;width:440px;max-width:calc(100vw - 32px);max-height:90vh;padding:28px;overflow-y:auto;box-shadow:0 8px 32px #0000001f}.modal-compact{padding:24px}.modal-compact .form-group{margin-bottom:10px}.modal-compact .form-label{margin-bottom:3px}.modal-compact .form-input,.modal-compact .form-readonly{padding:7px 12px}.modal-title{color:var(--sr-ink);margin-bottom:20px;font-size:17px;font-weight:600}.form-group{margin-bottom:10px}.form-label{color:var(--sr-text-secondary);margin-bottom:5px;font-size:12px;font-weight:600;display:block}.form-input{border:1px solid var(--sr-border);background:var(--sr-input-bg);width:100%;color:var(--sr-ink);border-radius:6px;outline:none;padding:9px 12px;font-family:inherit;font-size:13px}.form-input:focus{border-color:var(--sr-teal)}.form-input[readonly]:focus{border-color:var(--sr-border)}.modal-actions{justify-content:flex-end;gap:8px;margin-top:20px;display:flex}.modal-header{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.modal-header .modal-title{margin-bottom:0}.modal-close{width:32px;height:32px;color:var(--sr-text-muted);cursor:pointer;background:0 0;border:none;border-radius:6px;justify-content:center;align-items:center;font-size:18px;transition:all .15s;display:flex}.modal-close:hover{background:var(--sr-mist);color:var(--sr-ink)}.modal-error{color:#dc2626;background:#fef2f2;border:1px solid #fecaca;border-radius:6px;min-height:40px;margin-bottom:14px;padding:10px 14px;font-size:13px}.form-error{color:#dc2626;min-height:15px;margin-top:4px;font-size:11px;line-height:1.4}.form-hint{color:var(--sr-text-muted);margin-top:4px;font-size:11px;font-style:italic}.form-input--error{border-color:#dc2626!important}.modal-target-info{background:var(--sr-teal-50);border-left:3px solid var(--sr-teal);border-radius:6px;grid-template-columns:auto 1fr;gap:6px 16px;margin-bottom:16px;padding:12px 14px;font-size:12px;display:grid}.modal-target-info .label{color:var(--sr-text-secondary);font-weight:600}.modal-target-info .value{color:var(--sr-ink);font-weight:500}.warning-box{border:1px solid #fdba74;border-left:4px solid var(--sr-orange);background:#fff7ed;border-radius:6px;margin:14px 0 10px;padding:12px 14px}.warning-box-title{color:#c2410c;margin-bottom:6px;font-size:12px;font-weight:700}.warning-box-body{color:var(--sr-ink);font-size:12px;line-height:1.55}.warning-box-body code{background:#fed7aa;border-radius:3px;padding:1px 5px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px}.modal-checkbox-row{color:var(--sr-ink);cursor:pointer;-webkit-user-select:none;user-select:none;align-items:flex-start;gap:8px;padding:10px 0 6px;font-size:12px;line-height:1.5;display:flex}.modal-checkbox-row input[type=checkbox]{width:14px;height:14px;accent-color:var(--sr-teal);cursor:pointer;flex-shrink:0;margin-top:2px}.modal-two-col{width:560px}.modal-form-grid{grid-template-columns:1fr 1fr;gap:0 16px;display:grid}.modal-form-grid .form-group--full{grid-column:1/-1}.modal-form-grid .form-group--row-start{grid-column-start:1}.modal-wide{width:520px}.empty-td{text-align:center;color:var(--sr-text-muted);padding:32px!important}.chart-empty{height:180px;color:var(--sr-text-muted);background:#fafbfc;border-radius:4px;justify-content:center;align-items:center;margin-bottom:16px;font-size:13px;display:flex}.table-meta-row{justify-content:space-between;align-items:center;padding:0 4px 8px;display:flex}.table-meta-info{color:var(--sr-ink);font-size:15px;font-weight:600}.link-btn{font:inherit;color:var(--sr-teal);cursor:pointer;background:0 0;border:none;padding:0;font-size:12px;text-decoration:none}.link-btn:hover{text-decoration:underline}.sensor-card--selected{box-shadow:0 0 0 2px var(--sr-teal)}.sensor-grid-header{justify-content:space-between;align-items:center;gap:12px;margin-bottom:8px;display:flex}.sensor-include-hidden-toggle{color:var(--sr-ink);border:1px solid 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