:root{--bg-primary: #0a0e14;--bg-secondary: #111820;--bg-tertiary: #1a2332;--bg-card: #141c28;--border: #1e2d3d;--border-accent: #2a3f55;--text-primary: #e6edf3;--text-secondary: #8b949e;--text-muted: #484f58;--accent-blue: #58a6ff;--accent-cyan: #3fb8af;--accent-green: #3fb950;--accent-yellow: #d29922;--accent-orange: #db6d28;--accent-red: #f85149;--accent-purple: #bc8cff;--severity-ok: #238636;--severity-low: #2ea043;--severity-mid: #d29922;--severity-high: #db6d28;--severity-crit: #f85149;--font-mono: "JetBrains Mono", monospace;--font-sans: "Noto Sans KR", -apple-system, sans-serif;--radius: 6px;--shadow: 0 4px 24px rgba(0,0,0,.4)}*{margin:0;padding:0;box-sizing:border-box}body{background:var(--bg-primary);color:var(--text-primary);font-family:var(--font-sans);font-size:14px;line-height:1.5;overflow-x:hidden}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--border-accent);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--accent-blue)}.header{background:linear-gradient(135deg,#0d1117,#161b22);border-bottom:1px solid var(--border);padding:0 24px;height:56px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.header-left{display:flex;align-items:center;gap:16px}.logo{font-family:var(--font-mono);font-weight:700;font-size:16px;color:var(--accent-cyan);letter-spacing:-.5px;display:flex;align-items:center;gap:8px}.logo svg{width:24px;height:24px}.logo-divider{width:1px;height:24px;background:var(--border-accent)}.header-title{font-size:13px;color:var(--text-secondary);font-weight:400}.header-stats{display:flex;gap:24px;font-family:var(--font-mono);font-size:12px}.header-stat{display:flex;align-items:center;gap:6px;color:var(--text-secondary)}.header-stat .val{color:var(--text-primary);font-weight:600}.app-layout{display:grid;grid-template-columns:280px 1fr;height:calc(100vh - 56px)}.sidebar{background:var(--bg-secondary);border-right:1px solid var(--border);overflow-y:auto;display:flex;flex-direction:column}.sidebar-header{padding:16px;border-bottom:1px solid var(--border);font-family:var(--font-mono);font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:var(--text-muted)}.campaign-group{border-bottom:1px solid var(--border)}.campaign-label{padding:10px 16px;font-size:12px;font-weight:700;color:var(--accent-cyan);background:#3fb8af0d;cursor:pointer;display:flex;align-items:center;gap:8px;transition:background .15s;font-family:var(--font-mono)}.campaign-label:hover{background:#3fb8af1a}.campaign-label .arrow{font-size:10px;transition:transform .2s;color:var(--text-muted)}.campaign-label.open .arrow{transform:rotate(90deg)}.exchanger-list{display:none}.exchanger-list.open{display:block}.exchanger-item{padding:8px 16px 8px 28px;font-size:13px;cursor:pointer;display:flex;align-items:center;justify-content:space-between;transition:all .15s;border-left:3px solid transparent}.exchanger-item:hover{background:var(--bg-tertiary);border-left-color:var(--accent-blue)}.exchanger-item.active{background:#58a6ff14;border-left-color:var(--accent-blue);color:var(--accent-blue);font-weight:500}.exchanger-item .defect-badge{font-family:var(--font-mono);font-size:11px;padding:1px 6px;border-radius:10px;font-weight:600}.exchanger-item .defect-badge.has-defects{background:#f8514926;color:var(--accent-red)}.exchanger-item .defect-badge.no-defects{background:#23863626;color:var(--accent-green)}.main-content{overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:20px}.welcome-state{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;gap:16px;color:var(--text-muted)}.welcome-state svg{width:80px;height:80px;opacity:.3}.welcome-state h2{font-family:var(--font-mono);font-size:18px;font-weight:400;color:var(--text-secondary)}.welcome-state p{font-size:13px}.info-bar{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px}.info-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;transition:border-color .2s}.info-card:hover{border-color:var(--border-accent)}.info-card .label{font-size:11px;font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);margin-bottom:4px}.info-card .value{font-size:20px;font-weight:700;font-family:var(--font-mono)}.info-card .value.blue{color:var(--accent-blue)}.info-card .value.cyan{color:var(--accent-cyan)}.info-card .value.green{color:var(--accent-green)}.info-card .value.yellow{color:var(--accent-yellow)}.info-card .value.red{color:var(--accent-red)}.info-card .value.purple{color:var(--accent-purple)}.panel{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;flex-shrink:0}.panel-header{padding:12px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;background:#ffffff05}.panel-title{font-family:var(--font-mono);font-size:13px;font-weight:600;color:var(--text-primary);display:flex;align-items:center;gap:8px}.panel-title 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rgba(255,255,255,.1)}.content-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}@media(max-width:1200px){.content-grid{grid-template-columns:1fr}}.data-table-wrapper{max-height:400px;overflow-y:auto}.data-table{width:100%;border-collapse:collapse;font-size:12px;font-family:var(--font-mono)}.data-table thead{position:sticky;top:0;z-index:1}.data-table th{background:var(--bg-tertiary);padding:8px 10px;text-align:left;font-weight:600;color:var(--text-secondary);text-transform:uppercase;font-size:11px;letter-spacing:.5px;white-space:nowrap;border-bottom:1px solid var(--border)}.data-table td{padding:7px 10px;border-bottom:1px solid var(--border);white-space:nowrap;color:var(--text-secondary)}.data-table tr:hover td{background:#58a6ff0a}.data-table tr.selected td{background:#58a6ff14}.data-table .depth-cell{font-weight:600}.depth-bar-bg{width:60px;height:6px;background:var(--bg-primary);border-radius:3px;overflow:hidden;display:inline-block;vertical-align:middle;margin-right:6px}.depth-bar{height:100%;border-radius:3px;transition:width .3s}.chart-container{padding:16px}.bar-chart{display:flex;align-items:flex-end;gap:4px;height:160px;padding-top:20px}.bar-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;height:100%;justify-content:flex-end}.bar{width:100%;max-width:32px;border-radius:3px 3px 0 0;transition:height .6s ease;position:relative;cursor:pointer;min-height:2px}.bar:hover{filter:brightness(1.3)}.bar-label{font-family:var(--font-mono);font-size:10px;color:var(--text-muted);writing-mode:vertical-rl;text-orientation:mixed;transform:rotate(180deg);max-height:60px;overflow:hidden;text-overflow:ellipsis}.bar-value{font-family:var(--font-mono);font-size:10px;color:var(--text-secondary);font-weight:600}.histogram{display:flex;align-items:flex-end;gap:2px;height:120px;padding:0 16px}.hist-bar{flex:1;border-radius:2px 2px 0 0;transition:height .5s ease;cursor:pointer;min-height:1px}.hist-bar:hover{filter:brightness(1.4)}.hist-labels{display:flex;justify-content:space-between;padding:4px 16px;font-family:var(--font-mono);font-size:10px;color:var(--text-muted)}.image-gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:8px;padding:16px}.image-thumb{aspect-ratio:1;border-radius:4px;overflow:hidden;cursor:pointer;border:2px solid transparent;transition:all 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var(--border);color:var(--text-primary);font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center}.modal-caption{text-align:center;margin-top:12px;font-family:var(--font-mono);font-size:13px;color:var(--text-secondary)}.modal-counter{margin-left:12px;color:var(--text-muted);font-size:11px}.modal-nav{position:fixed;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;background:var(--bg-tertiary);border:1px solid var(--border);color:var(--text-primary);cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:201;transition:background .15s,border-color .15s}.modal-nav:hover{background:var(--bg-card);border-color:var(--border-accent)}.modal-nav-prev{left:20px}.modal-nav-next{right:20px}.tooltip{position:fixed;background:var(--bg-tertiary);border:1px solid var(--border-accent);border-radius:var(--radius);padding:8px 12px;font-family:var(--font-mono);font-size:12px;color:var(--text-primary);z-index:150;pointer-events:none;display:none;box-shadow:var(--shadow);max-width:260px}.tooltip.visible{display:block}.tooltip .tt-row{display:flex;justify-content:space-between;gap:16px}.tooltip .tt-label{color:var(--text-muted)}.tooltip .tt-val{font-weight:600}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .3s ease forwards}.fade-in-delay-1{animation-delay:.05s;opacity:0}.fade-in-delay-2{animation-delay:.1s;opacity:0}.fade-in-delay-3{animation-delay:.15s;opacity:0}.fade-in-delay-4{animation-delay:.2s;opacity:0}.login-screen{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--bg-primary);display:flex;align-items:center;justify-content:center;z-index:1000;overflow:hidden}.login-bg-grid{position:absolute;top:0;right:0;bottom:0;left:0;background-image:radial-gradient(circle at 50% 50%,rgba(63,184,175,.06) 0%,transparent 60%),linear-gradient(rgba(30,45,61,.3) 1px,transparent 1px),linear-gradient(90deg,rgba(30,45,61,.3) 1px,transparent 1px);background-size:100% 100%,40px 40px,40px 40px;background-position:center center}.login-card{position:relative;background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:48px 40px 40px;width:380px;max-width:90vw;display:flex;flex-direction:column;align-items:center;gap:8px;box-shadow:0 8px 48px #00000080,0 0 120px #3fb8af0d;animation:fadeIn .4s ease}.login-card.shake{animation:shakeAnim .4s ease}@keyframes shakeAnim{0%,to{transform:translate(0)}20%{transform:translate(-12px)}40%{transform:translate(10px)}60%{transform:translate(-8px)}80%{transform:translate(6px)}}.login-logo{width:56px;height:56px;color:var(--accent-cyan);margin-bottom:8px}.login-logo svg{width:100%;height:100%}.login-title{font-family:var(--font-mono);font-size:24px;font-weight:700;color:var(--accent-cyan);letter-spacing:-.5px}.login-subtitle{font-size:12px;color:var(--text-muted);margin-bottom:24px;text-align:center}.login-field{width:100%;display:flex;flex-direction:column;gap:6px}.login-field label{font-family:var(--font-mono);font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted)}.login-field input{width:100%;padding:10px 14px;background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-primary);font-family:var(--font-mono);font-size:14px;outline:none;transition:border-color .2s}.login-field input:focus{border-color:var(--accent-cyan);box-shadow:0 0 0 3px #3fb8af26}.login-field input::placeholder{color:var(--text-muted)}.login-error{font-family:var(--font-mono);font-size:12px;color:var(--accent-red)}.login-btn{width:100%;margin-top:16px;padding:10px;background:var(--accent-cyan);color:var(--bg-primary);border:none;border-radius:var(--radius);font-family:var(--font-mono);font-size:14px;font-weight:600;cursor:pointer;transition:all .2s}.login-btn:hover{background:#4dc9c0;box-shadow:0 4px 16px #3fb8af4d}.login-btn:active{transform:scale(.98)}.panel-header .panel-actions{display:flex;align-items:center;gap:4px}.panel-expand-btn{background:transparent;border:1px solid var(--border);color:var(--text-muted);width:28px;height:28px;border-radius:4px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s;font-size:14px;line-height:1}.panel-expand-btn:hover{background:var(--bg-tertiary);color:var(--text-primary);border-color:var(--border-accent)}.panel-expand-btn:focus-visible{outline:2px solid var(--accent-blue);outline-offset:2px}.panel--expanded{position:fixed!important;top:0;left:0;right:0;bottom:0;z-index:300;border-radius:0;display:flex;flex-direction:column;animation:panelExpand .25s ease forwards}.panel--expanded .panel-header{flex-shrink:0}.panel--expanded .panel-body,.panel--expanded .data-table-wrapper,.panel--expanded .tubesheet-container,.panel--expanded .chart-container,.panel--expanded .image-gallery,.panel--expanded .timeline-chart{flex:1;overflow:auto}.panel--expanded .data-table-wrapper{max-height:none}.panel--expanded .tubesheet-container{min-height:0;overflow:auto}.panel--expanded .legend{flex-shrink:0}.panel-expanded-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;z-index:299;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);animation:fadeInOnly .2s ease}@keyframes panelExpand{0%{opacity:0}to{opacity:1}}@keyframes fadeInOnly{0%{opacity:0}to{opacity:1}}.app-layout{transition:grid-template-columns .3s 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.campaign-label{padding:10px 12px;justify-content:center}.sidebar-collapsed .exchanger-item{padding:6px 8px;justify-content:center;border-left-width:2px}.sidebar-collapsed .exchanger-item .defect-badge{font-size:9px;padding:0 4px}.tubesheet-zoom-info{display:flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:11px;color:var(--text-muted)}.tubesheet-zoom-badge{background:var(--bg-tertiary);border:1px solid var(--border);padding:2px 8px;border-radius:4px;font-weight:600;color:var(--accent-cyan)}.tubesheet-container.dragging,.tubesheet-container.dragging .tubesheet-canvas{cursor:grabbing!important}.tubesheet-container.zoomed .tubesheet-canvas,.panel--expanded .tubesheet-container .tubesheet-canvas{cursor:grab}.panel--expanded .tubesheet-container.dragging .tubesheet-canvas{cursor:grabbing!important}.data-table th.sortable{cursor:pointer;-webkit-user-select:none;user-select:none;transition:color .15s}.data-table th.sortable:hover,.data-table th.sortable.active{color:var(--accent-blue)}.sort-indicator{margin-left:4px;font-size:10px;opacity:.5}.data-table th.sortable.active .sort-indicator{opacity:1}.data-table tr.clicked td{background:#58a6ff1f}.timeline-tabs{display:flex;gap:2px}.timeline-tab{font-family:var(--font-mono);font-size:11px;padding:3px 10px;border:1px solid var(--border);border-radius:4px;background:transparent;color:var(--text-secondary);cursor:pointer;transition:all .15s;white-space:nowrap}.timeline-tab:hover{background:var(--bg-tertiary);color:var(--text-primary)}.timeline-tab.active{background:var(--accent-cyan);border-color:var(--accent-cyan);color:#fff}.timeline-chart{padding:12px 16px 8px}.timeline-chart svg{display:block}.timeline-dot{cursor:pointer;transition:opacity .15s}.timeline-dot:hover{opacity:1}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}button:focus-visible,input:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--accent-blue);outline-offset:2px}.exchanger-item:focus-visible{outline:2px solid var(--accent-blue);outline-offset:-2px;background:var(--bg-tertiary)}.tubesheet-container{min-height:500px}