:root{--border:#c8c8c8;--header-bg:#f5f5f5;--row-even:#f2f2f2;--row-odd:#e0e0e0;--invalid:#fcc;--conflict:#fffacd;--pinned:#b3d9ff;--totals:#e8e8e8;--green:#00a894;--green-hover:#008f7d;--green-active:#007566;--brand:#00a894;--selection:#2176d240;color:#1c1c1c;font-family:Segoe UI,system-ui,sans-serif}*{box-sizing:border-box}html,body,#root{background:#fafafa;height:100%;margin:0}.app{flex-direction:column;height:100vh;padding:0 12px 12px;display:flex}.menubar-row{background:var(--header-bg);border-bottom:1px solid var(--border);-webkit-user-select:none;user-select:none;align-items:center;gap:8px;margin:0 -12px 6px;padding:2px 12px;display:flex}.menubar{flex:1;gap:2px;min-width:0;display:flex}.app-brand{flex-shrink:0;align-items:center;gap:8px;margin-left:auto;display:inline-flex}.app-brand .brand-logo{gap:8px}.app-brand .brand-logo-text{color:var(--brand);white-space:nowrap;font-size:15px;font-weight:700}.app-version{color:#999;white-space:nowrap;font-size:11px}.menubar-item{position:relative}.menubar-label{cursor:default;background:0 0;border:none;padding:5px 12px;font-size:14px}.menubar-item.open .menubar-label,.menubar-label:hover{background:#e3e3e3}.menu-dropdown{border:1px solid var(--border);z-index:1000;background:#fff;min-width:230px;padding:4px 0;position:absolute;top:100%;left:0;box-shadow:0 4px 14px #00000026}.menu-entry{text-align:left;cursor:default;white-space:nowrap;background:0 0;border:none;align-items:center;gap:8px;width:100%;padding:6px 16px;font-size:14px;display:flex}.menu-entry:hover:not(:disabled){background:#e8f0fe}.menu-entry:disabled{color:#999}.menu-separator{border-top:1px solid #e2e2e2;margin:4px 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14px;font-size:14px}.btn:hover:not(:disabled){background:#f0f0f0}.btn:disabled{color:#aaa;cursor:default}.btn-icon{min-width:38px;font-size:16px}.btn-primary{color:#fff;background:#1a73e8;border-color:#1a73e8}.btn-primary:hover:not(:disabled){background:#1765cc}.btn-danger{color:#fff;background:#c62828;border-color:#c62828}.btn-danger:hover:not(:disabled){background:#a92222}.btn-green{background:var(--green);border-color:var(--green);color:#fff;padding:9px 16px;font-weight:600}.btn-green:hover:not(:disabled){background:var(--green-hover)}.btn-green:active{background:var(--green-active)}.table-wrap{border:1px solid var(--border);background:#fff;flex:1;position:relative;overflow:auto}table.schedule{border-collapse:separate;border-spacing:0;table-layout:fixed;-webkit-user-select:none;user-select:none}table.schedule th,table.schedule td{border-right:1px solid var(--border);border-bottom:1px solid var(--border);white-space:nowrap;text-overflow:ellipsis;height:30px;padding:0;font-size:14px;overflow:hidden}table.schedule.no-grid td{border-color:#0000}table.schedule th{background:var(--header-bg);z-index:3;padding:0 8px;font-weight:600;position:sticky}table.schedule thead th{text-align:center;cursor:pointer;border-bottom:2px solid #aaa;width:118px;min-width:118px;top:0}table.schedule tbody th{text-align:left;cursor:pointer;border-right:2px solid #aaa;width:170px;min-width:170px;left:0}table.schedule thead th.corner{z-index:5;cursor:default;width:170px;min-width:170px;left:0}table.schedule th.pinned-header{background:var(--pinned)}table.schedule th.selected-header{background:#cfe3f8}td.cell{cursor:cell;text-align:center;padding:0 4px}td.cell.row-even{background:var(--row-even)}td.cell.row-odd{background:var(--row-odd)}td.cell.pinned{background:var(--pinned)}td.cell.conflict{background:var(--conflict)}td.cell.invalid{background:var(--invalid)}td.cell.totals{background:var(--totals);text-align:center;cursor:default;font-style:normal}td.cell.totals.conflict{background:var(--conflict)}td.cell.selected{box-shadow:inset 0 0 0 100px var(--selection)}td.cell.has-comment{font-style:italic}td.cell input,table.schedule th input{width:100%;height:100%;font:inherit;border:2px solid #1a73e8;outline:none;padding:0 4px}td.cell input{text-align:center}table.schedule th:has(input){padding:0}.drop-hint{pointer-events:none;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.drop-hint-box{pointer-events:auto;color:#888;text-align:center;white-space:pre-line;background:#ffffffeb;border:2px dashed #888;border-radius:10px;padding:50px 60px;font-size:18px}.drop-hint-box.drag-over{border-color:var(--green);color:var(--green);background:#f0f8f0}.bottom-bar{justify-content:space-between;align-items:center;gap:12px;padding-top:10px;display:flex}.bottom-bar .site-footer{background:0 0;border:none;justify-content:flex-start;padding:0;position:static}.context-menu{z-index:2000;border:1px solid var(--border);background:#fff;min-width:220px;padding:4px 0;position:fixed;box-shadow:0 4px 14px #0000002e}.modal-backdrop{z-index:3000;background:#00000059;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal{background:#fff;border-radius:8px;flex-direction:column;max-height:90vh;display:flex;box-shadow:0 10px 40px #0000004d}.modal-title{border-bottom:1px solid #eee;padding:14px 18px 10px;font-size:16px;font-weight:600}.modal-body{padding:14px 18px 18px;overflow:auto}.modal-buttons{justify-content:flex-end;gap:8px;margin-top:16px;display:flex}.video-guide{background:#000;border-radius:4px;width:100%;max-height:70vh;display:block}.video-guide-hint{color:#555;margin:12px 0 0;font-size:13px;line-height:1.45}.field-label{color:#444;margin:10px 0 4px;font-size:13px;display:block}.input{border:1px solid var(--border);border-radius:4px;width:100%;padding:7px 9px;font-family:inherit;font-size:14px}.input:focus{outline-offset:-1px;outline:2px solid #1a73e8}.pre-wrap{white-space:pre-wrap;margin:0;font-size:14px;line-height:1.5}.welcome-intro{margin:0 0 14px;font-size:14px;line-height:1.5}.welcome-steps{margin:0 0 8px;padding-left:1.3em;font-size:14px;line-height:1.55}.welcome-steps li{margin-bottom:12px}.welcome-steps li:last-child{margin-bottom:0}.checkbox-row{align-items:center;gap:8px;margin:8px 0;font-size:14px;display:flex}.hint-text{color:gray;margin:2px 0 0 24px;font-size:12px;font-style:italic}.scroll-list{border:1px solid 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10px;display:flex}.tm-row-current{background:#eef4ff;border-color:#b3d1ff}.tm-info{min-width:150px}.tm-name{align-items:center;gap:8px;font-size:14px;font-weight:600;display:flex}.tm-badge{color:#fff;background:#1a73e8;border-radius:10px;padding:1px 8px;font-size:11px;font-weight:500}.tm-meta{color:#777;margin-top:2px;font-size:12px}.tm-actions{flex-wrap:wrap;gap:6px;display:flex}.tm-actions .btn{padding:4px 10px;font-size:13px}.tm-secret{letter-spacing:2px;background:var(--header-bg);border:1px solid var(--border);word-break:break-all;-webkit-user-select:all;user-select:all;border-radius:4px;padding:8px 10px;font-family:Consolas,Courier New,monospace;font-size:16px}