:root{--color-bg:#f8f9fa;--color-surface:#fff;--color-border:#e2e8f0;--color-border-dark:#cbd5e1;--color-text:#1e293b;--color-text-secondary:#64748b;--color-primary:#2563eb;--color-primary-hover:#1d4ed8;--color-primary-light:#eff6ff;--color-danger:#dc2626;--capacity-low:#dcfce7;--capacity-low-text:#166534;--capacity-mid:#fef9c3;--capacity-mid-text:#854d0e;--capacity-high:#fecaca;--capacity-high-text:#991b1b;--w1-bg:#d1fae5;--w1-border:#6ee7b7;--w1-text:#065f46;--w2-bg:#a7f3d0;--w2-border:#34d399;--w2-text:#064e3b;--w3-bg:#fef3c7;--w3-border:#fcd34d;--w3-text:#92400e;--w4-bg:#fde68a;--w4-border:#f59e0b;--w4-text:#78350f;--w5-bg:#fecaca;--w5-border:#f87171;--w5-text:#991b1b;--w6-bg:#fca5a5;--w6-border:#ef4444;--w6-text:#7f1d1d;--header-bg:#1e293b;--header-text:#f8fafc;--member-bg:#f1f5f9;--label-width:200px;--col-width:90px;--row-height:38px;--font:-apple-system,BlinkMacSystemFont,"Segoe UI","Malgun Gothic","맑은 고딕",sans-serif}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font);background:var(--color-bg);color:var(--color-text);font-size:13px;line-height:1.5;overflow:hidden;height:100vh;display:flex;flex-direction:column}#app-header{display:flex;align-items:center;justify-content:space-between;padding:10px 20px;background:var(--header-bg);color:var(--header-text);flex-shrink:0;z-index:100}#app-header h1{font-size:15px;font-weight:600}.header-actions{display:flex;gap:6px}.btn{display:inline-flex;align-items:center;padding:5px 12px;border:none;border-radius:5px;font-size:12px;font-weight:500;cursor:pointer;transition:all .15s;font-family:inherit}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-primary-hover)}.btn-secondary{background:#475569;color:#fff}.btn-secondary:hover:not(:disabled){background:#334155}.btn-outline{background:transparent;color:#94a3b8;border:1px solid #475569}.btn-outline:hover{background:#334155;color:#fff}.btn-icon{background:none;border:none;cursor:pointer;font-size:12px;color:var(--color-text-secondary);padding:2px 4px;border-radius:3px;line-height:1;opacity:.5;transition:all .15s}.btn-icon:hover{opacity:1;background:rgba(0,0,0,.06)}.btn-add{display:inline-flex;align-items:center;gap:4px;padding:4px 12px;border:1px dashed var(--color-border-dark);background:none;color:var(--color-text-secondary);border-radius:4px;cursor:pointer;font-size:12px;font-family:inherit}.btn-add:hover{border-color:var(--color-primary);color:var(--color-primary);background:var(--color-primary-light)}.roadmap-tabs{display:flex;align-items:center;gap:0;padding:0 12px;background:#334155;flex-shrink:0;overflow-x:auto;min-height:32px}.rm-tab{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;background:transparent;color:#94a3b8;font-size:12px;font-weight:500;font-family:inherit;cursor:pointer;white-space:nowrap;border:none;border-bottom:2px solid transparent;transition:all .15s}.rm-tab:hover{color:#e2e8f0;background:hsla(0,0%,100%,.05)}.rm-tab.active{color:#fff;background:hsla(0,0%,100%,.1);border-bottom-color:#60a5fa}.rm-tab-name{pointer-events:auto}.rm-tab-close{font-size:14px;opacity:0;transition:opacity .15s;padding:0 2px;line-height:1}.rm-tab:hover .rm-tab-close{opacity:.6}.rm-tab-close:hover{opacity:1!important;color:#f87171}.rm-tab-add{font-size:16px;font-weight:400;padding:4px 12px;color:#64748b}.rm-tab-add:hover{color:#60a5fa}.summary-panel{flex-shrink:0;overflow-x:auto;background:var(--color-surface);border-bottom:2px solid var(--color-border-dark);padding:8px 0}.summary-table{border-collapse:collapse}.summary-table td,.summary-table th{padding:3px 6px;font-size:11px;text-align:center;border:1px solid var(--color-border);white-space:nowrap}.summary-label{text-align:left!important;font-weight:700;font-size:12px;padding:5px 10px!important;position:-webkit-sticky;position:sticky;left:0;z-index:5}.summary-label,.summary-month{background:var(--header-bg);color:var(--header-text)}.summary-month{font-weight:500;font-size:11px;padding:5px 4px!important}.summary-name{text-align:left!important;font-weight:600;font-size:12px;background:var(--color-surface);position:-webkit-sticky;position:sticky;left:0;z-index:5;padding:4px 10px!important}.summary-cell{font-weight:700;font-size:12px;min-width:30px}.summary-ok{background:var(--capacity-low);color:var(--capacity-low-text)}.summary-warn{background:var(--capacity-mid);color:var(--capacity-mid-text)}.summary-over{background:var(--capacity-high);color:var(--capacity-high-text)}.summary-total{background:#e2e8f0!important;color:var(--color-text)!important;border-left:2px solid var(--color-border-dark)}.summary-alert{padding:5px 10px;margin-top:4px;background:var(--capacity-high);color:var(--capacity-high-text);font-weight:600;font-size:12px;border-radius:4px;margin-left:8px;margin-right:8px}.tab-bar{display:flex;gap:2px;padding:6px 20px 0;background:var(--color-surface);border-bottom:1px solid var(--color-border);flex-shrink:0;overflow-x:auto}.tab{padding:6px 14px;background:none;font-size:12px;font-weight:500;color:var(--color-text-secondary);cursor:pointer;border:none;border-bottom:2px solid transparent;white-space:nowrap;font-family:inherit}.tab:hover{color:var(--color-text)}.tab.active{color:var(--color-primary);border-bottom-color:var(--color-primary)}.grid-container{flex:1 1;overflow:hidden;position:relative}.grid-wrapper{width:100%;height:100%;overflow:auto}.gantt-table{border-collapse:collapse;table-layout:fixed}.gantt-table thead th{top:0;z-index:20;background:var(--header-bg);color:var(--header-text);padding:6px 8px;font-weight:500;font-size:12px;text-align:center;border-right:1px solid #334155;white-space:nowrap}.gantt-table thead th,.th-label{position:-webkit-sticky;position:sticky}.th-label{text-align:left!important;left:0;z-index:30!important;display:flex;align-items:center;justify-content:space-between}.th-month{cursor:pointer;padding:8px 4px!important;position:relative}.th-month:hover{background:#334155}.month-label{font-size:12px;font-weight:500}.month-year{font-size:10px;color:#94a3b8;display:block}.col-resize-handle{position:absolute;top:0;right:-2px;width:5px;height:100%;cursor:col-resize;z-index:5}.col-resize-handle:hover{background:rgba(96,165,250,.5)}.gantt-table td{padding:0;border-right:1px solid var(--color-border);border-bottom:1px solid var(--color-border);height:var(--row-height);vertical-align:middle}.td-label{position:-webkit-sticky;position:sticky;left:0;z-index:10;padding:4px 8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;background:inherit}.row-member{background:var(--member-bg)}.row-member td{border-bottom:2px solid var(--color-border-dark)}.td-member{font-weight:700;font-size:13px;display:flex;align-items:center;justify-content:space-between;background:var(--member-bg)!important}.member-name{cursor:pointer}.member-name:hover{text-decoration:underline}.member-actions{display:flex;gap:2px}.td-total{text-align:center;font-weight:700;font-size:13px}.capacity-low{background:var(--capacity-low)!important;color:var(--capacity-low-text)}.capacity-mid{background:var(--capacity-mid)!important;color:var(--capacity-mid-text)}.capacity-high{background:var(--capacity-high)!important;color:var(--capacity-high-text)}.row-project{background:var(--color-surface)}.td-project{display:flex;align-items:center;justify-content:space-between;gap:4px;background:var(--color-surface)!important}.project-name{font-size:12px;overflow:hidden;text-overflow:ellipsis;cursor:pointer;flex:1 1}.project-name:hover{text-decoration:underline}.project-actions{display:flex;gap:1px;opacity:0;transition:opacity .15s;flex-shrink:0}.row-project:hover .project-actions{opacity:1}.td-empty{cursor:pointer;background:var(--color-surface)}.td-empty:hover{background:var(--color-primary-light)}.td-block{padding:3px 0!important;background:var(--color-surface)}.gantt-block{display:flex;align-items:center;height:calc(var(--row-height) - 8px);margin:0 2px;border-radius:4px;cursor:-webkit-grab;cursor:grab;overflow:hidden;transition:box-shadow .1s;border:1px solid}.gantt-block:hover{box-shadow:0 2px 8px rgba(0,0,0,.15)}.gantt-block:active{cursor:-webkit-grabbing;cursor:grabbing}.gantt-block.w1,.w1 .gantt-block{background:var(--w1-bg);border-color:var(--w1-border);color:var(--w1-text)}.gantt-block.w2,.w2 .gantt-block{background:var(--w2-bg);border-color:var(--w2-border);color:var(--w2-text)}.gantt-block.w3,.w3 .gantt-block{background:var(--w3-bg);border-color:var(--w3-border);color:var(--w3-text)}.gantt-block.w4,.w4 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8px;background:var(--color-surface);border-bottom:3px solid var(--color-border-dark)}.row-add-member td{border-bottom:1px solid var(--color-border)}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;text-align:center;color:var(--color-text-secondary)}.empty-icon{font-size:48px;margin-bottom:16px}.empty-state h2{font-size:18px;margin-bottom:8px;color:var(--color-text)}.drop-zone{margin-top:24px;padding:40px 60px;border:2px dashed #94a3b8;border-radius:12px}.drop-zone.drag-over{border-color:var(--color-primary);background:var(--color-primary-light);color:var(--color-primary)}.modal{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.5)}.modal-content{background:var(--color-surface);border-radius:12px;width:420px;max-width:90vw;max-height:80vh;overflow-y:auto;box-shadow:0 20px 60px rgba(0,0,0,.3)}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--color-border)}.modal-header h3{font-size:14px}.modal-close{background:none;border:none;font-size:18px;cursor:pointer;color:var(--color-text-secondary)}.modal-body{padding:18px}.modal-footer{display:flex;justify-content:flex-end;gap:6px;padding:10px 18px;border-top:1px solid var(--color-border)}.form-group{margin-bottom:12px}.form-group label{display:block;font-size:11px;font-weight:600;color:var(--color-text-secondary);margin-bottom:3px}.form-group input,.form-group select{width:100%;padding:6px 8px;border:1px solid var(--color-border);border-radius:5px;font-size:12px;font-family:inherit}.form-group input:focus,.form-group select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 2px rgba(37,99,235,.1)}.form-row{display:flex;gap:10px}.form-row .form-group{flex:1 1}.month-list-item{display:flex;align-items:center;justify-content:space-between;padding:4px 8px;border:1px solid var(--color-border);border-radius:4px;margin-bottom:4px;font-size:12px}.context-menu{position:fixed;z-index:300;background:var(--color-surface);border:1px solid var(--color-border);border-radius:8px;box-shadow:0 8px 30px rgba(0,0,0,.15);min-width:180px;padding:4px}.context-menu ul{list-style:none}.context-menu li{padding:6px 12px;cursor:pointer;border-radius:4px;font-size:12px}.context-menu li:hover{background:#f1f5f9}.context-menu li.separator{height:1px;background:var(--color-border);margin:4px 8px;padding:0;cursor:default}.context-menu li.danger{color:var(--color-danger)}.context-menu li.danger:hover{background:#fef2f2}.hidden{display:none!important}