:root{--color-bg: #f1f5f9;--color-surface: #ffffff;--color-surface-2: #f8fafc;--color-border: #e2e8f0;--color-border-2: #cbd5e1;--color-text: #0f172a;--color-text-2: #475569;--color-text-3: #94a3b8;--color-primary: #6366f1;--color-primary-h: #4f46e5;--color-primary-bg: #eef2ff;--color-today: #ef4444;--color-today-bg: #fef2f2;--color-success: #10b981;--color-warning: #f59e0b;--color-danger: #ef4444;--color-danger-h: #dc2626;--sidebar-w: 240px;--sidebar-label-w: 220px;--col-name-w: 150px;--toolbar-h: 52px;--row-h: 40px;--header-h: 56px;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .07), 0 2px 4px -2px rgb(0 0 0 / .05);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .08), 0 4px 6px -4px rgb(0 0 0 / .05);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .05);--font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", 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12px;background:var(--color-surface);border-top:1px solid var(--color-border);font-size:11px;color:var(--color-text-3);-webkit-user-select:none;user-select:none;position:relative;z-index:60}#status-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.status-signature{flex-shrink:0;margin-left:auto;padding-left:12px;color:inherit;text-decoration:none}.status-signature:hover{color:var(--color-primary);text-decoration:underline}#sidebar{position:absolute;left:0;top:0;bottom:0;width:var(--sidebar-w);overflow:visible;display:flex;flex-direction:column;background:var(--color-surface);border-right:1px solid var(--color-border);box-shadow:2px 0 12px #00000014;z-index:50;transition:width .14s ease}#sidebar.sidebar-collapsed{overflow:hidden;cursor:pointer}#sidebar.sidebar-peek{overflow:visible;cursor:default;box-shadow:6px 0 24px #00000038;z-index:120}#sidebar.sidebar-collapsed:not(.sidebar-peek) 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cubic-bezier(.34,1.56,.64,1)}.modal-header{padding:20px 24px 16px;border-bottom:1px solid var(--color-border);display:flex;align-items:center;justify-content:space-between;cursor:grab;-webkit-user-select:none;user-select:none}.modal-header h2{font-size:15px;font-weight:600;color:var(--color-text)}.modal-body{padding:20px 24px;overflow-y:auto;display:flex;flex-direction:column;gap:14px}.modal-footer{padding:16px 24px;border-top:1px solid var(--color-border);display:flex;justify-content:flex-end;gap:8px}.modal-close{width:28px;height:28px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:var(--color-text-3);font-size:18px;transition:background var(--transition),color var(--transition)}.modal-close:hover{background:var(--color-bg);color:var(--color-text)}.form-group{display:flex;flex-direction:column;gap:5px}.form-group 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var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);padding:4px;z-index:400;min-width:160px;animation:fadeIn .1s ease}.context-menu.hidden{display:none}.context-menu-item{display:flex;align-items:center;gap:8px;padding:7px 10px;border-radius:var(--radius-md);font-size:13px;color:var(--color-text);cursor:pointer;transition:background var(--transition)}.context-menu-item:hover{background:var(--color-bg)}.context-menu-item.danger{color:var(--color-danger)}.context-menu-item.danger:hover{background:#fef2f2}.context-menu-sep{height:1px;background:var(--color-border);margin:3px 0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeOut{0%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(8px)}}@keyframes slideUp{0%{opacity:0;transform:translateY(12px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border-2);border-radius:99px}::-webkit-scrollbar-thumb:hover{background:#94a3b8}.hidden{display:none!important}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.ellipsis{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.date-picker-popup{position:fixed;z-index:9999;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);padding:10px;min-width:220px;-webkit-user-select:none;user-select:none}.dp-nav{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.dp-nav-btn{width:26px;height:26px;border-radius:var(--radius-sm);font-size:16px;color:var(--color-text-2);display:flex;align-items:center;justify-content:center;transition:background var(--transition)}.dp-nav-btn:hover{background:var(--color-bg)}.dp-month-label{font-size:12.5px;font-weight:600;color:var(--color-text)}.dp-days-header{display:grid;grid-template-columns:repeat(7,1fr);margin-bottom:4px}.dp-day-name{font-size:10px;font-weight:600;color:var(--color-text-3);text-align:center;padding:2px 0}.dp-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:1px}.dp-cell{text-align:center;font-size:11.5px;padding:5px 2px;border-radius:var(--radius-sm);cursor:pointer;color:var(--color-text);transition:background var(--transition)}.dp-cell:not(.dp-empty):hover{background:var(--color-bg)}.dp-cell.dp-today:not(.dp-selected){color:var(--color-primary);font-weight:600;box-shadow:inset 0 0 0 1.5px var(--color-primary);border-radius:var(--radius-sm)}.dp-cell.dp-selected{background:var(--color-primary);color:#fff}.dp-cell.dp-empty{cursor:default}.dp-today-link{font-size:10.5px;font-weight:600;color:var(--color-primary);padding:2px 6px;border-radius:var(--radius-sm);transition:background var(--transition)}.dp-today-link:hover{background:var(--color-primary-bg)}.dp-footer{margin-top:6px;border-top:1px solid var(--color-border);padding-top:6px;display:flex;justify-content:center}.dp-no-date-btn{font-size:11px;color:var(--color-text-3);padding:3px 10px;border-radius:var(--radius-sm);transition:background var(--transition),color var(--transition)}.dp-no-date-btn:hover{background:var(--color-bg);color:var(--color-text)}.chapter-color-picker{position:fixed;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);padding:10px 12px;z-index:500;animation:fadeIn .1s ease}.chapter-color-picker .color-swatches{display:grid;grid-template-columns:repeat(8,28px);gap:6px}.delete-confirm-popover{position:fixed;z-index:10001;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:0 8px 32px #00000038;padding:14px 16px;min-width:220px;display:flex;flex-direction:column;gap:10px;animation:fadeIn 80ms ease}.delete-confirm-title{font-size:13px;font-weight:600;color:var(--color-text);text-align:center;line-height:1.4}.delete-confirm-btns{display:flex;gap:8px}.delete-confirm-no{flex:1;padding:7px 10px;border-radius:var(--radius-md);background:#fee2e2;color:#991b1b;font-size:11.5px;font-weight:600;border:1px solid #fca5a5;cursor:pointer;transition:background var(--transition)}.delete-confirm-no:hover{background:#fecaca}.delete-confirm-yes{flex:1;padding:7px 10px;border-radius:var(--radius-md);background:#dcfce7;color:#166534;font-size:11.5px;font-weight:600;border:1px solid #86efac;cursor:pointer;transition:background var(--transition)}.delete-confirm-yes:hover{background:#bbf7d0}.help-window{position:fixed;top:52px;right:12px;width:520px;max-width:calc(100vw - 24px);max-height:calc(100vh - 72px);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);z-index:500;display:flex;flex-direction:column;animation:slideUp .18s cubic-bezier(.34,1.56,.64,1)}.help-window-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px 10px;border-bottom:1px solid var(--color-border);font-weight:600;font-size:14px;flex-shrink:0}.help-window-close{background:none;border:none;color:var(--color-text-muted);font-size:18px;line-height:1;cursor:pointer;padding:0 2px}.help-window-close:hover{color:var(--color-text)}.help-window-content{overflow-y:auto;padding:12px 16px 16px}.help-section-title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;color:var(--color-primary);margin:16px 0 6px}.help-section-title:first-child{margin-top:4px}.help-table{width:100%;border-collapse:collapse}.help-table tr+tr td{border-top:1px solid var(--color-border)}.help-key{padding:5px 10px 5px 0;font-size:12.5px;font-weight:500;font-family:var(--font);color:var(--color-text);white-space:nowrap;vertical-align:top;width:1%}.help-desc{padding:5px 0;font-size:12px;color:var(--color-text-2);line-height:1.4}.modal-created-by{margin-right:auto;align-self:center;font-size:11px;color:var(--color-text-3)}#status-text{display:flex;align-items:center;gap:6px}.status-dot{width:7px;height:7px;border-radius:50%;background:#22c55e;flex-shrink:0}.status-saving .status-dot{background:#f59e0b;animation:statusPulse 1s ease-in-out infinite}.status-offline .status-dot{background:#94a3b8}.status-error .status-dot{background:#dc2626}.status-error{color:#dc2626}@keyframes statusPulse{50%{opacity:.35}}#toolbar{background:var(--color-surface);border-bottom:1px solid var(--color-border);display:flex;align-items:stretch;box-shadow:var(--shadow-sm);overflow:visible}.toolbar-strip{display:flex;align-items:center;gap:12px;padding:0 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12px;font-size:12px;font-weight:500;border-radius:var(--radius-md);color:var(--color-text-2);transition:background var(--transition),color var(--transition);line-height:1}.zoom-btn:hover{background:var(--color-surface);color:var(--color-text)}.zoom-btn.active{background:var(--color-surface);color:var(--color-primary);font-weight:600;box-shadow:var(--shadow-sm)}.today-btn{padding:5px 10px;font-size:12px;font-weight:500;color:var(--color-today);background:var(--color-today-bg);border-radius:var(--radius-md);border:1px solid #fecaca;transition:background var(--transition),border-color var(--transition);line-height:1}.today-btn:hover{background:#fee2e2;border-color:#fca5a5}.toolbar-right{display:flex;align-items:center;gap:8px}.add-task-btn{display:flex;align-items:center;gap:5px;padding:6px 12px;background:var(--color-primary);color:#fff;border-radius:var(--radius-md);font-size:13px;font-weight:500;transition:background var(--transition),transform 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var(--color-primary);pointer-events:none;z-index:6;opacity:.7}.gantt-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;gap:12px;color:var(--color-text-3)}.gantt-empty-icon{font-size:40px;opacity:.4}.gantt-empty-title{font-size:15px;font-weight:600;color:var(--color-text-2)}.gantt-empty-sub{font-size:13px;text-align:center;max-width:260px}.progress-set-popover{position:fixed;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:10px 14px;box-shadow:var(--shadow-xl);z-index:350;min-width:200px;animation:slideUp .15s cubic-bezier(.34,1.56,.64,1)}.progress-set-title{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.4px;color:var(--color-text-3);margin-bottom:8px}.timeline-ext-btn{position:absolute;top:50%;transform:translateY(-50%);height:22px;padding:0 8px;background:var(--color-surface);border:1px solid var(--color-border-2);border-radius:var(--radius-sm);font-size:11px;font-weight:600;color:var(--color-text-2);cursor:pointer;z-index:15;transition:background var(--transition),color var(--transition),border-color var(--transition);white-space:nowrap}.timeline-ext-btn:hover{background:var(--color-primary-bg);color:var(--color-primary);border-color:var(--color-primary)}.timeline-ext-left{left:4px}.timeline-ext-right{right:4px}.holiday-header-tip{position:fixed;background:#fee2e2;color:#111827;border:1px solid #fca5a5;border-radius:var(--radius-md);padding:5px 10px;font-size:12px;font-weight:500;pointer-events:none;z-index:300;box-shadow:var(--shadow-sm);white-space:nowrap}.search-ticks{position:absolute;right:0;width:14px;pointer-events:none;z-index:30}.search-tick{position:absolute;right:2px;width:10px;height:3px;margin-top:-1px;border-radius:1px;background:#eab308;box-shadow:0 0 0 1px 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40px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:20px;box-shadow:var(--shadow-lg, 0 20px 60px rgba(0,0,0,.25));text-align:center;min-width:320px}.login-logo{width:56px;height:56px;background:var(--color-primary);border-radius:16px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:26px;font-weight:800;letter-spacing:-1px;margin-bottom:4px}.login-title{font-size:26px;font-weight:800;color:var(--color-text);letter-spacing:-.5px;margin:0}.login-subtitle{font-size:14px;color:var(--color-text-3);margin:0 0 12px}.google-signin-btn{display:flex;align-items:center;gap:10px;padding:10px 20px;background:#fff;color:#3c4043;border:1px solid #dadce0;border-radius:10px;font-size:14px;font-weight:500;cursor:pointer;transition:box-shadow .15s,background .15s;width:100%;justify-content:center}.google-signin-btn:hover{background:#f8f9fa;box-shadow:0 1px 6px #00000026}.google-signin-btn:active{background:#f1f3f4}.google-signin-btn 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var(--transition)}.workspace-card:hover .workspace-card-arrow{color:var(--color-primary)}.workspace-empty{padding:24px;text-align:center;color:var(--color-text-3);font-size:13px;background:var(--color-surface-2);border:1px dashed var(--color-border-2);border-radius:var(--radius-lg)}.workspace-create-btn{display:flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;background:var(--color-primary);color:#fff;border-radius:var(--radius-lg);font-size:14px;font-weight:600;transition:background var(--transition),transform var(--transition),box-shadow var(--transition);box-shadow:0 2px 8px #6366f14d;width:100%}.workspace-create-btn:hover{background:var(--color-primary-h);box-shadow:0 4px 12px #6366f166}.workspace-create-btn:active{transform:scale(.98)}.workspace-user-bar{display:flex;align-items:center;gap:10px;padding:12px 16px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);font-size:13px}.workspace-user-bar-avatar{width:32px;height:32px;border-radius:50%;overflow:hidden;background:var(--color-primary);color:#fff;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}.workspace-user-bar-avatar img{width:100%;height:100%;object-fit:cover}.workspace-user-bar-info{flex:1;min-width:0}.workspace-user-bar-name{font-weight:600;color:var(--color-text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.workspace-user-bar-email{font-size:11px;color:var(--color-text-3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.workspace-user-bar-logout{font-size:12px;color:var(--color-text-3);padding:4px 8px;border-radius:var(--radius-md);transition:background var(--transition),color var(--transition);flex-shrink:0}.workspace-user-bar-logout:hover{background:var(--color-bg);color:var(--color-danger)}.workspace-loading{display:flex;align-items:center;justify-content:center;gap:10px;padding:32px;color:var(--color-text-3);font-size:13px}.workspace-loading-spinner{width:18px;height:18px;border:2px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:ws-spin .6s linear infinite}@keyframes ws-spin{to{transform:rotate(360deg)}}.share-modal{width:500px}.share-invite-row{display:flex;gap:8px;align-items:flex-end}.share-invite-row .form-group{flex:1}.share-role-select{height:36px;padding:0 10px;border:1px solid var(--color-border-2);border-radius:var(--radius-md);background:var(--color-surface);color:var(--color-text);outline:none;cursor:pointer;transition:border-color var(--transition),box-shadow var(--transition);flex-shrink:0}.share-role-select:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px 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var(--transition)}.share-member-row:hover{background:var(--color-bg)}.share-member-avatar{width:28px;height:28px;border-radius:50%;overflow:hidden;background:var(--color-primary);color:#fff;font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}.share-member-avatar img{width:100%;height:100%;object-fit:cover}.share-member-info{flex:1;min-width:0}.share-member-name{font-size:13px;font-weight:500;color:var(--color-text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.share-member-email{font-size:11px;color:var(--color-text-3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.share-member-role-badge{font-size:11px;font-weight:600;padding:2px 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var(--color-surface);margin-left:-6px;flex-shrink:0;position:relative;cursor:default}.presence-avatar:first-child{margin-left:0}.presence-avatar img{width:100%;height:100%;object-fit:cover}.presence-avatar-wrap{position:relative;display:flex}.presence-avatar:after{content:"";position:absolute;bottom:0;right:0;width:7px;height:7px;border-radius:50%;background:var(--color-success);border:1.5px solid var(--color-surface)}.help-btn{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;background:var(--color-bg);color:var(--color-text-2);border:1px solid var(--color-border);font-size:13px;font-weight:700;transition:background var(--transition),color var(--transition),border-color var(--transition)}.help-btn:hover{background:var(--color-primary-bg);color:var(--color-primary);border-color:var(--color-primary)}.share-btn{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;background:var(--color-bg);color:var(--color-text-2);border:1px solid var(--color-border);transition:background var(--transition),color var(--transition),border-color var(--transition)}.share-btn:hover{background:var(--color-primary-bg);color:var(--color-primary);border-color:var(--color-primary)}.back-btn{display:flex;align-items:center;gap:5px;padding:5px 10px;background:transparent;color:var(--color-text-2);border-radius:var(--radius-md);font-size:12px;font-weight:500;transition:background var(--transition),color var(--transition);line-height:1}.back-btn:hover{background:var(--color-bg);color:var(--color-text)}.workspace-name-label{font-size:12px;font-weight:600;color:var(--color-text-2);max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;cursor:default;-webkit-user-select:none;user-select:none}.create-ws-modal{width:400px}.workspace-card-wrap{position:relative}.workspace-card-wrap .workspace-card{padding-right:140px}.workspace-card-wrap .workspace-card-arrow{position:absolute;right:16px;top:50%;transform:translateY(-50%)}.workspace-card-archive{position:absolute;right:44px;top:50%;transform:translateY(-50%);font-size:12px;font-weight:600;padding:4px 10px;border-radius:var(--radius-md);color:var(--color-text-2);background:var(--color-bg);border:1px solid var(--color-border);opacity:.6;transition:opacity var(--transition),background var(--transition)}.workspace-card-wrap:hover .workspace-card-archive,.workspace-card-archive:focus-visible{opacity:1}.workspace-card-archive:hover{background:var(--color-primary-bg);color:var(--color-primary-h)}@media (hover: none){.workspace-card-archive{opacity:1}}.workspace-card-wrap.is-archived .workspace-card{opacity:.75}.workspace-archive>summary{cursor:pointer;list-style:revert}.workspace-archive-hint{font-size:12px;color:var(--color-text-3);margin:6px 0 10px}.workspace-lists{display:flex;flex-direction:column;gap:32px}.workspace-controls{display:flex;gap:10px;flex-wrap:wrap}.workspace-search{flex:1 1 220px;min-width:0;padding:9px 12px;font-size:14px;border-radius:var(--radius-md);border:1px solid var(--color-border-2);background:var(--color-surface);color:var(--color-text)}.workspace-search:focus,.workspace-sort:focus{outline:2px solid var(--color-primary);outline-offset:-1px}.workspace-sort{padding:9px 10px;font-size:13px;border-radius:var(--radius-md);border:1px solid var(--color-border-2);background:var(--color-surface);color:var(--color-text-2)}.workspace-user-bar-manual:hover{color:var(--color-primary-h)}.holiday-modal{width:680px;max-width:95vw}.holiday-modal-body{padding:16px;display:flex;flex-direction:column;gap:10px}.holiday-add-row{display:flex;gap:8px}.holiday-add-btn{align-self:flex-start}.holiday-list-header{display:flex;align-items:center;gap:8px;padding:0 10px 4px;border-bottom:1px solid var(--color-border)}.scope-col-hdr{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--color-text-3);text-align:center;cursor:default}.holiday-hdr-dates{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--color-text-3);flex-shrink:0;width:200px}.holiday-hdr-name{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--color-text-3);flex:1}.holiday-list{display:flex;flex-direction:column;gap:6px;max-height:60vh;overflow-y:auto}.holiday-row{display:flex;align-items:center;gap:8px;padding:7px 10px;background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-md);transition:background var(--transition),border-color var(--transition)}.scope-col{width:32px;flex-shrink:0;display:flex;align-items:center;justify-content:center}.scope-cb{width:15px;height:15px;cursor:pointer;accent-color:var(--color-primary)}.scope-cb:disabled{cursor:default;opacity:.5}.scope-sep{width:1px;height:20px;background:var(--color-border);flex-shrink:0;margin:0 2px}.holiday-date-btn{padding:4px 8px;background:#fee2e2;color:#b91c1c;border:1px solid #fca5a5;border-radius:var(--radius-sm);font-size:12px;font-weight:600;cursor:pointer;white-space:nowrap;transition:background var(--transition)}.holiday-date-btn:hover:not(:disabled){background:#fecaca}.holiday-date-btn:disabled{opacity:.5;cursor:default}.holiday-arrow{color:var(--color-text-3);font-size:12px;flex-shrink:0}.holiday-name-input{flex:1;border:1px solid transparent;border-radius:var(--radius-sm);padding:4px 8px;font-size:13px;font-family:inherit;background:transparent;color:var(--color-text);min-width:0;transition:border-color var(--transition),background var(--transition)}.holiday-name-input:hover:not(:disabled){border-color:var(--color-border);background:var(--color-surface)}.holiday-name-input:focus{outline:none;border-color:var(--color-primary);background:var(--color-surface)}.holiday-name-input:disabled{opacity:.6}.holiday-del-btn{width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--color-text-3);background:transparent;border:none;cursor:pointer;flex-shrink:0;transition:background var(--transition),color var(--transition)}.holiday-del-btn:hover{background:#fee2e2;color:#b91c1c}