:root{font-family:Pretendard,Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5;font-weight:400;--c-bg: #ffffff;--c-surface: #f8fafc;--c-surface-alt: #f1f5f9;--c-surface-highlight: #e2e8f0;--c-border: #e2e8f0;--c-border-light: #cbd5e1;--c-grid-line: #e2e8f0;--c-text: #1e293b;--c-text-sec: #475569;--c-text-muted: #94a3b8;--c-primary: #2563eb;--c-primary-hover: #1d4ed8;--c-primary-soft: rgba(37, 99, 235, .1);--c-header-bg: #ffffff;--c-success: #10b981;--c-warning: #f59e0b;--c-danger: #ef4444;color-scheme:light;color:var(--c-text);background-color:var(--c-bg);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*,*:before,*:after{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--c-bg);color:var(--c-text)}a{color:inherit;text-decoration:none}h1,h2,h3,h4,h5,h6{margin:0;font-weight:600;color:var(--c-text)}p{margin:0;color:var(--c-text-sec)}ul{list-style:none;padding:0;margin:0}.app-shell{display:flex;flex-direction:column;height:100vh;overflow:hidden;background:var(--c-bg)}.app-header{height:60px;display:flex;align-items:center;justify-content:space-between;padding:0 20px;background:var(--c-surface);border-bottom:1px solid var(--c-border);flex-shrink:0;z-index:10}.brand{display:flex;align-items:center;gap:12px}.brand-mark{font-weight:700;font-size:18px;letter-spacing:-.02em;color:var(--c-primary);display:flex;align-items:center;gap:8px}.brand-caption{color:var(--c-text-muted);font-size:12px;padding-left:8px;border-left:1px solid var(--c-border)}.header-actions{display:flex;align-items:center;gap:12px}.app-body{display:flex;flex:1;overflow:hidden}.app-sidebar{width:240px;background:var(--c-surface);border-right:1px solid var(--c-border);display:flex;flex-direction:column;padding:16px 12px;gap:4px;flex-shrink:0}.nav-link{display:flex;align-items:center;gap:10px;padding:8px 12px;border-radius:6px;color:var(--c-text-sec);font-size:14px;font-weight:500;transition:all .2s ease}.nav-link:hover{background:var(--c-surface-alt);color:var(--c-text)}.nav-link.active{background:var(--c-primary-soft);color:var(--c-primary);font-weight:600;border:1px solid rgba(37,99,235,.2)}.app-content{flex:1;padding:24px;overflow-y:auto;background:var(--c-bg)}.page{display:flex;flex-direction:column;gap:20px;max-width:1600px;margin:0 auto;height:100%}.page-header{display:flex;align-items:flex-end;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--c-border)}.eyebrow{text-transform:uppercase;letter-spacing:.06em;font-size:11px;font-weight:600;color:var(--c-text-muted);margin-bottom:4px}.muted{color:var(--c-text-muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:8px 16px;border-radius:6px;font-size:13px;font-weight:600;cursor:pointer;transition:all .15s;border:1px solid var(--c-border);background:#fff;color:var(--c-text);line-height:1;box-shadow:0 1px 2px #0000000d}.btn:hover{background:var(--c-surface);border-color:var(--c-border-light);box-shadow:0 2px 4px #00000014}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn.primary{background:var(--c-primary);color:#fff}.btn.primary:hover{background:var(--c-primary-hover)}.btn.ghost{background:transparent;color:var(--c-text-sec);border-color:transparent;box-shadow:none}.btn.ghost:hover{background:var(--c-surface);color:var(--c-text);border-color:var(--c-border);box-shadow:0 1px 2px #0000000d}.btn.ghost.danger{color:var(--c-danger);background:#ef44441a}.btn.ghost.danger:hover{background:#ef444433}.btn.block{width:100%}.btn.sm{padding:6px 12px;font-size:12px}.tab-bar{display:flex;gap:0;border-bottom:2px solid var(--c-border);margin-bottom:0}.tab{padding:10px 20px;font-size:13px;font-weight:500;color:var(--c-text-sec);background:transparent;border:none;border-bottom:2px solid transparent;margin-bottom:-2px;cursor:pointer;transition:all .15s}.tab:hover{color:var(--c-text);background:var(--c-surface)}.tab.active{font-weight:600;color:var(--c-primary);border-bottom-color:var(--c-primary)}.card,.panel{background:#fff;border:1px solid var(--c-border);border-radius:8px;padding:20px;box-shadow:0 1px 3px #0000000a,0 1px 2px #00000008}.panel-header,.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;gap:12px}.panel.tall{min-height:320px;display:flex;flex-direction:column}.table-wrap{width:100%;overflow:auto;border:1px solid var(--c-border);border-radius:6px;background:#fff;box-shadow:0 1px 2px #00000008}.table{width:100%;border-collapse:collapse;font-size:13px;color:var(--c-text);table-layout:fixed}.table th,.table td{border-right:1px solid var(--c-grid-line);border-bottom:1px solid var(--c-grid-line);padding:8px 12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.table th:last-child,.table td:last-child{border-right:none}.table th:last-child{overflow:visible}.table thead th{background:var(--c-surface);color:var(--c-text);font-weight:600;text-align:left;-webkit-user-select:none;user-select:none;position:sticky;top:0;z-index:2;height:36px;border-bottom:2px solid var(--c-border)}.table tbody tr{background:#fff;transition:background .1s}.table.excel-table tbody tr:nth-child(2n){background:#f8fafc}.table tbody tr:hover{background:#f1f5f9!important}.table tbody tr.selected{background:var(--c-primary-soft)!important;outline:1px solid var(--c-primary)}.table-header{display:flex;align-items:center;justify-content:space-between;width:100%}.table-title{font-weight:600;color:var(--c-text)}.table-actions{display:flex;gap:8px;align-items:center}.form{display:flex;flex-direction:column;gap:16px}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}.form-grid.compact{gap:12px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.field{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--c-text-sec)}input,select,textarea{background:#fff;border:1px solid var(--c-border);color:var(--c-text);padding:8px 12px;border-radius:6px;font-family:inherit;font-size:13px;transition:all .15s;box-shadow:0 1px 2px #00000005}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-soft),0 1px 2px #0000000d}.form-section{border:1px solid var(--c-border);background:var(--c-surface);border-radius:8px;padding:16px;display:flex;flex-direction:column;gap:12px}.form-section h4{font-size:14px;margin-bottom:8px;color:var(--c-text)}.placeholder{border:2px dashed var(--c-border);border-radius:8px;padding:32px;text-align:center;color:var(--c-text-muted);background:var(--c-surface)}.date-row{display:flex;align-items:center;gap:8px}.dialog-backdrop{position:fixed;inset:0;background:#0006;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:20px;z-index:100}.dialog{background:#fff;border:1px solid var(--c-border);border-radius:12px;padding:24px;width:min(600px,90vw);box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a;display:flex;flex-direction:column;gap:20px;max-height:90vh;overflow-y:auto}.dialog.large{width:min(1200px,95vw);height:90vh}.dialog-header{display:flex;align-items:center;justify-content:space-between}.dialog-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:8px}.pill{display:inline-flex;align-items:center;padding:3px 10px;border-radius:12px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;background:var(--c-surface);color:var(--c-text);border:1px solid var(--c-border)}.pill.muted{background:#f8fafc;color:var(--c-text-muted);border:1px solid var(--c-border-light)}.pill.subtle{background:#fff;border:1px solid var(--c-border)}.user-chip{padding:5px 12px;border-radius:100px;background:#f8fafc;border:1px solid var(--c-border);font-size:13px;font-weight:500;box-shadow:0 1px 2px #00000008}.grid{display:grid;gap:16px}.grid.two-columns{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.grid.four-columns{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.stat-card{display:flex;flex-direction:column;gap:4px}.stat-card h2{font-size:28px;font-weight:700;color:var(--c-primary)}.toast{position:fixed;bottom:24px;right:24px;background:#fff;border:1px solid var(--c-border);color:var(--c-text);padding:12px 16px;border-radius:8px;box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d;z-index:200;font-weight:500;display:flex;align-items:center;gap:10px}.toast.error{border-color:var(--c-danger);color:var(--c-danger)}.legend{display:flex;gap:8px;flex-wrap:wrap}.dropdown{position:relative;display:inline-block}.dropdown-menu{position:absolute;top:calc(100% + 4px);background:#fff;border:1px solid var(--c-border);border-radius:8px;padding:4px;min-width:160px;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;z-index:50}.dropdown-menu.right{right:0}.dropdown-menu.left{left:0}.dropdown-item{padding:8px 12px;cursor:pointer;border-radius:6px;transition:background .15s;font-size:14px}.dropdown-item:hover{background:var(--c-surface)}.dropdown-item.danger{color:var(--c-danger)}.dropdown-item.danger:hover{background:#ef44441a}.user-chip.clickable{cursor:pointer;transition:background .2s}.user-chip.clickable:hover{background:#e2e8f0;box-shadow:0 2px 4px #0000000f}.selected-users-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:8px}.user-tag{display:flex;align-items:center;gap:6px;padding:5px 10px;background-color:#f8fafc;border:1px solid var(--c-border);border-radius:6px;font-size:.875rem;box-shadow:0 1px 2px #00000008}.user-tag .muted{color:var(--c-text-muted)}.user-tag .remove-btn{padding:0 4px;min-width:auto;line-height:1;font-size:1.2rem;color:var(--c-text-muted);cursor:pointer;background:none;border:none;transition:color .2s}.user-tag .remove-btn:hover{color:var(--c-danger)}.dropdown-list{position:absolute;z-index:100;margin-top:4px;max-height:200px;overflow-y:auto;background:#fff;border:1px solid var(--c-border);border-radius:8px;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;list-style:none;padding:4px;width:100%}.dropdown-list li{padding:8px 12px;cursor:pointer;transition:background .15s;border-radius:6px}.dropdown-list li:hover{background-color:var(--c-surface)}.dropdown-list li .muted{color:var(--c-text-muted);font-size:.875rem}.pill.state-working{background:#f59e0b1a;color:var(--c-warning);border-color:#f59e0b4d}.pill.state-complete{background:#10b9811a;color:var(--c-success);border-color:#10b9814d}.pill.state-released{background:#2563eb1a;color:var(--c-primary);border-color:#2563eb4d}.pill.state-superseded{background:#64748b1f;color:#64748b;border-color:#64748b4d}.pill.cr-open{background:#f59e0b1a;color:#f59e0b;border-color:#f59e0b4d}.pill.cr-in-progress{background:#2563eb1a;color:#2563eb;border-color:#2563eb4d}.pill.cr-approved{background:#10b9811a;color:#10b981;border-color:#10b9814d}.pill.cr-rejected{background:#ef44441a;color:#ef4444;border-color:#ef44444d}.pill.cr-co-created{background:#2563eb1a;color:#2563eb;border-color:#2563eb4d}.pill.co-draft{background:var(--c-surface);color:var(--c-text-muted);border-color:var(--c-border)}.pill.co-in-progress{background:#f59e0b1a;color:#f59e0b;border-color:#f59e0b4d}.pill.co-completed{background:#10b9811a;color:#10b981;border-color:#10b9814d}.pill.co-cancelled{background:#ef44441a;color:#ef4444;border-color:#ef44444d}.pill.urgency-low{background:#94a3b81a;color:#94a3b8;border-color:#94a3b84d}.pill.urgency-medium{background:#3b82f61a;color:#3b82f6;border-color:#3b82f64d}.pill.urgency-high{background:#f59e0b1a;color:#f59e0b;border-color:#f59e0b4d}.pill.urgency-critical{background:#ef44441a;color:#ef4444;border-color:#ef44444d}.pill.cad-creo{background:#0066cc1a;color:#06c;border-color:#0066cc4d}.pill.cad-nx{background:#0066331a;color:#063;border-color:#0066334d}.pill.cad-solidworks{background:#cc00001a;color:#c00;border-color:#cc00004d}.pill.cad-autocad{background:#cc66001a;color:#c60;border-color:#cc66004d}.pill.file-auto{background:#8b5cf61a;color:#8b5cf6;border-color:#8b5cf64d}.pill.file-manual{background:#6b72801a;color:#6b7280;border-color:#6b72804d}.pill.release-initial{background:#3b82f61a;color:#3b82f6;border-color:#3b82f64d}.pill.release-change{background:#8b5cf61a;color:#8b5cf6;border-color:#8b5cf64d}.pill.release-draft{background:var(--c-surface);color:var(--c-text-muted);border-color:var(--c-border)}.pill.release-submitted{background:#2563eb1a;color:var(--c-primary);border-color:#2563eb4d}.pill.release-approved{background:#8b5cf61a;color:#8b5cf6;border-color:#8b5cf64d}.pill.release-released{background:#10b9811a;color:#10b981;border-color:#10b9814d}.pill.release-superseded{background:#f59e0b1a;color:#f59e0b;border-color:#f59e0b4d}.revision-badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:4px;font-family:SF Mono,Fira Code,Consolas,monospace;font-size:12px;font-weight:600;background:#f1f5f9;color:var(--c-text-sec);border:1px solid #cbd5e1;letter-spacing:.02em}.nav-link.disabled{opacity:.4;cursor:not-allowed;pointer-events:none}.app-switcher{display:inline-flex;align-items:center;gap:2px;padding:2px;background:var(--c-surface-alt);border-radius:6px;border:1px solid var(--c-border)}.app-switcher-btn{padding:4px 12px;border-radius:4px;font-size:12px;font-weight:600;border:none;cursor:pointer;transition:all .15s;text-decoration:none;color:var(--c-text-muted);background:transparent}.app-switcher-btn:hover{color:var(--c-text)}.app-switcher-btn.active{background:#fff;color:var(--c-primary);box-shadow:0 1px 2px #0000000f}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.task-accent-item{border-left:4px solid var(--c-primary)}.task-accent-co{border-left:4px solid #8b5cf6}.task-accent-cr{border-left:4px solid var(--c-warning)}.task-accent-release{border-left:4px solid var(--c-success)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.task-row{animation:fadeInUp .3s ease forwards;opacity:0}.table-wrap .excel-table{border-collapse:separate;border-spacing:0}.table-wrap .excel-table thead th{position:relative;overflow:visible}.dt-resize-handle{position:absolute;top:0;height:100%;cursor:col-resize;z-index:3;background:transparent}.dt-resize-right{right:0;width:8px}.dt-resize-left{left:0;width:8px}.dt-resize-handle:hover:after{content:"";position:absolute;top:0;width:3px;height:100%;background:var(--c-primary);opacity:.5}.dt-resize-right:hover:after{right:0}.dt-resize-left:hover:after{left:0}.dt-dragging{opacity:.35!important;background:var(--c-surface)!important}.dt-drop-left{box-shadow:inset 3px 0 0 0 var(--c-primary)!important}.dt-drop-right{box-shadow:inset -3px 0 0 0 var(--c-primary)!important}.dt-overlay{position:fixed;inset:0;cursor:col-resize;z-index:9999;-webkit-user-select:none;user-select:none}.dt-ctx-menu{position:fixed;z-index:10000;background:#fff;border:1px solid var(--c-border);border-radius:8px;box-shadow:0 4px 16px #0000001f;padding:4px 0;min-width:180px;font-size:13px}.dt-ctx-title{padding:6px 12px 4px;font-weight:600;color:var(--c-text-muted);font-size:11px;text-transform:uppercase;letter-spacing:.5px}.dt-ctx-item{display:flex;align-items:center;gap:8px;padding:5px 12px;cursor:pointer;transition:background .1s}.dt-ctx-item:hover{background:var(--c-surface)}.dt-ctx-item input[type=checkbox]{margin:0;accent-color:var(--c-primary)}.dt-ctx-divider{height:1px;background:var(--c-border);margin:4px 0}.dt-ctx-reset{display:block;width:100%;padding:6px 12px;border:none;background:none;cursor:pointer;font-size:13px;color:var(--c-text-muted);text-align:left;transition:background .1s,color .1s}.dt-ctx-reset:hover{background:var(--c-surface);color:var(--c-text)}
