:root{--accent: #3eede7;--accent-hover: #2cd5cf;--accent-light: #d4faf8;--dark: #2a313d;--dark-light: #3d4554;--bg: #f0fcff;--surface: #ffffff;--border: #dce8ec;--border-hover: #bcc8cc;--text: #2a313d;--text-secondary: #5a6370;--text-disabled: #9aa3ad;--red: #d13438;--green: #107c10;--orange: #e88a00;--radius: 4px;--shadow-sm: 0 1px 3px rgba(42,49,61,.08);--shadow-md: 0 3px 7px rgba(42,49,61,.1), 0 1px 2px rgba(42,49,61,.06);--shadow-lg: 0 6px 14px rgba(42,49,61,.12), 0 1px 3px rgba(42,49,61,.08);--font: "Segoe UI", system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;overflow:hidden}body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased}.fluent-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:6px 14px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text);font-size:.875rem;font-family:var(--font);cursor:pointer;transition:all .1s;white-space:nowrap;-webkit-user-select:none;user-select:none}.fluent-btn:hover{background:#edf4f6;border-color:var(--border-hover)}.fluent-btn:active{background:#e3edf0}.fluent-btn-primary{background:var(--accent);color:var(--dark);border-color:var(--accent);font-weight:600}.fluent-btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.fluent-btn-danger{background:var(--red);color:#fff;border-color:var(--red)}.fluent-btn-danger:hover{background:#c12b2f;border-color:#c12b2f}.fluent-btn-icon{width:36px;height:36px;padding:0;border:none;background:transparent;color:var(--text-secondary)}.fluent-btn-icon:hover{background:#edf4f6;color:var(--text)}.fluent-btn-sm{padding:4px 10px;font-size:.8rem}.fluent-btn-today{margin-left:8px;padding:5px 14px;font-size:.8rem;border-color:var(--accent);color:var(--dark);font-weight:600}.fluent-btn-today:hover{background:var(--accent-light)}.cal-view-toggle{display:flex;gap:0;margin-left:12px;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.cal-view-toggle .fluent-btn{border:none;border-radius:0;padding:4px 14px;font-size:.8rem}.cal-view-toggle .fluent-btn:first-child{border-right:1px solid var(--border)}.cal-week-title{display:flex;align-items:center;gap:8px;font-weight:600;font-size:1rem}.cal-week-year{color:var(--text-secondary);font-size:.9rem}.cal-week-range{color:var(--text)}.topbar{display:flex;align-items:center;justify-content:space-between;padding:10px 24px;background:var(--dark);color:#fff;flex-shrink:0;font-size:.85rem}.topbar-brand{font-size:1rem;font-weight:600;color:var(--accent)}.topbar-right{display:flex;align-items:center;gap:18px}.topbar-weather{color:var(--accent);font-weight:500}.topbar-time{color:#fff;font-variant-numeric:tabular-nums}.topbar-date{color:#c0c8d2}.app{height:100vh;display:flex;flex-direction:column;overflow:hidden}.calendar-app{flex:1;display:flex;flex-direction:column;height:100%}.cal-header{display:flex;align-items:center;justify-content:center;padding:10px 24px;background:#fff;flex-shrink:0;border-bottom:1px solid var(--border)}.cal-nav{display:flex;align-items:center;gap:4px;position:relative}.cal-picker-wrapper{position:relative}.cal-picker-btn{border:none;background:transparent;font-size:1rem;font-weight:600;padding:6px 10px;border-radius:var(--radius);cursor:pointer;color:var(--text)}.cal-picker-btn:hover{background:#edf4f6}.cal-year-btn{font-size:.95rem}.cal-dropdown{position:absolute;top:100%;left:50%;transform:translate(-50%);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);z-index:100;display:grid;grid-template-columns:repeat(3,1fr);gap:2px;padding:4px;min-width:160px}.cal-dropdown-year{grid-template-columns:repeat(3,1fr);max-height:260px;overflow-y:auto}.cal-dropdown-item{padding:6px 12px;border:none;background:transparent;border-radius:var(--radius);cursor:pointer;font-size:.85rem;font-family:var(--font);color:var(--text);text-align:center}.cal-dropdown-item:hover{background:#edf4f6}.cal-dropdown-item.active{background:var(--accent);color:#fff}.cal-body{flex:1;overflow:auto;padding:4px 12px 12px}.cal-table{width:100%;height:calc(100vh - 110px);table-layout:fixed;border-collapse:collapse}.cal-weekday{text-align:center;padding:10px 0 6px;font-size:.78rem;font-weight:600;color:var(--text-secondary);border-bottom:2px solid var(--border)}.cal-weekday.weekend{color:var(--red)}.cal-cell{height:14.28%;border:1px solid var(--border);vertical-align:top;padding:6px 8px;cursor:pointer;transition:background 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5px;border-radius:8px;white-space:nowrap;max-width:80px;overflow:hidden;text-overflow:ellipsis}.cal-task-more{font-size:.6rem;color:var(--text-disabled)}.week-view{padding:16px 20px}.week-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:8px;height:calc(100vh - 160px)}.week-day-card{background:#fff;border:1px solid var(--border);border-radius:8px;padding:12px 10px;cursor:pointer;transition:all 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8px;border-radius:10px;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.week-holiday-tag.off{background:#fde4e4;color:var(--red)}.week-holiday-tag.work{background:#fdf8d0;color:var(--orange)}.week-day-content{display:flex;flex-direction:column;gap:4px;flex:1;overflow-y:auto}.week-memo-preview{font-size:.78rem;color:var(--text);background:#fff8e1;padding:6px 8px;border-radius:6px;line-height:1.4;white-space:pre-wrap;word-break:break-word}.week-task-list{display:flex;flex-direction:column;gap:3px}.week-task-item{font-size:.78rem;padding:4px 8px;background:var(--accent-light);color:#0d7a75;border-radius:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.week-task-more{font-size:.72rem;color:var(--text-disabled);text-align:center}.week-indicator.no-task{color:var(--text-disabled);font-size:.78rem;padding:12px 8px;text-align:center}.form-message{padding:10px 16px;margin:0 20px;border-radius:var(--radius);font-size:.85rem;font-weight:500;animation:fadeInDown .2s ease}.form-message-success{background:#e8f5e9;color:#2e7d32;border:1px solid #A5D6A7}.form-message-error{background:#ffebee;color:#c62828;border:1px solid #EF9A9A}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}.day-modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000004d;backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px);z-index:200;opacity:0;visibility:hidden}.day-modal-overlay.overlay-enter{visibility:visible;animation:overlayFadeIn .4s ease forwards}.day-modal-overlay.overlay-exit{visibility:visible;animation:overlayFadeOut .35s ease forwards}@keyframes overlayFadeIn{0%{opacity:0}to{opacity:1}}@keyframes overlayFadeOut{0%{opacity:1}to{opacity:0}}.day-modal{position:fixed;top:50%;left:50%;width:calc(100vw - 40px);max-width:520px;max-height:85vh;background:var(--surface);border-radius:12px;box-shadow:0 20px 60px #2a313d2e,0 4px 12px #2a313d14;z-index:201;display:flex;flex-direction:column;opacity:0;visibility:hidden;transform-origin:var(--origin-x, 50vw) var(--origin-y, 50vh)}.day-modal.modal-enter{visibility:visible;animation:modalPopIn .35s cubic-bezier(.16,1,.3,1) forwards}.day-modal.modal-open{visibility:visible;opacity:1;transform:translate(-50%,-50%) scale(1)}.day-modal.modal-exit{visibility:visible;animation:modalPopOut .3s cubic-bezier(.5,0,.75,0) forwards}@keyframes modalPopIn{0%{opacity:0;transform:translate(-50%,-50%) scale(0)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}@keyframes modalPopOut{0%{opacity:1;transform:translate(-50%,-50%) scale(1)}to{opacity:0;transform:translate(-50%,-50%) scale(0)}}.day-modal-header{display:flex;align-items:flex-start;justify-content:space-between;padding:20px 24px 12px;border-bottom:1px solid 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solid var(--border);border-radius:var(--radius);padding:8px 10px;transition:border-color .1s;background:var(--surface)}.memo-item:hover{border-color:var(--border-hover)}.memo-item:focus-within{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.memo-content{flex:1;min-height:22px;padding:2px 0;cursor:pointer;white-space:pre-wrap;word-break:break-word;font-size:.875rem;line-height:1.5}.memo-placeholder{color:var(--text-disabled);font-style:italic}.memo-textarea{flex:1;border:none;outline:none;resize:vertical;font-family:inherit;font-size:.875rem;line-height:1.5;padding:2px 0;color:var(--text);background:transparent}.btn-memo-delete{background:none;border:none;color:var(--text-disabled);cursor:pointer;font-size:.8rem;padding:2px 6px;border-radius:var(--radius);flex-shrink:0;margin-top:1px;transition:all .1s}.btn-memo-delete:hover{color:var(--red);background:#fde8e8}.btn-add-memo{width:100%;padding:10px;border:1px dashed var(--border-hover);border-radius:var(--radius);background:transparent;color:var(--text-secondary);font-size:.875rem;cursor:pointer;transition:all .1s;font-family:var(--font)}.btn-add-memo:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-light)}.task-list{display:flex;flex-direction:column;gap:2px}.task-group{margin-bottom:8px}.task-group-title{font-size:.75rem;font-weight:600;color:var(--text-secondary);margin-bottom:4px;text-transform:none;letter-spacing:0}.task-item{display:flex;align-items:flex-start;gap:8px;padding:7px 8px;border-radius:var(--radius);transition:background .1s}.task-item:hover{background:#edf4f6}.task-item.completed{opacity:.5}.task-item.completed .task-name{text-decoration:line-through}.task-checkbox{background:none;border:2px solid var(--border-hover);border-radius:50%;width:22px;height:22px;cursor:pointer;flex-shrink:0;margin-top:2px;padding:0;display:flex;align-items:center;justify-content:center;font-size:.75rem;line-height:1;transition:all .1s}.task-checkbox:hover{border-color:var(--accent)}.task-checkbox.checked{border-color:var(--green);font-size:.85rem}.task-info{display:flex;flex-wrap:wrap;align-items:center;gap:6px;flex:1;min-width:0}.task-name{font-size:.875rem;font-weight:500}.task-desc{font-size:.75rem;color:var(--text-secondary)}.task-repeat-badge{font-size:.68rem;background:#edf4f6;color:var(--text-secondary);padding:1px 6px;border-radius:10px;white-space:nowrap}.btn-task-delete{background:none;border:none;color:var(--text-disabled);cursor:pointer;font-size:.75rem;padding:2px 6px;border-radius:var(--radius);flex-shrink:0;opacity:0;transition:all .1s}.task-item:hover .btn-task-delete,.task-item:hover .btn-task-edit{opacity:1}.btn-task-delete:hover{color:var(--red);background:#fef0f0}.btn-task-edit{background:none;border:none;color:var(--text-disabled);cursor:pointer;font-size:.8rem;padding:2px 6px;border-radius:var(--radius);flex-shrink:0;opacity:0;transition:all .1s}.btn-task-edit:hover{color:var(--accent);background:var(--accent-light)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000004d;display:flex;align-items:center;justify-content:center;z-index:300;padding:20px}.modal-content{background:var(--surface);border-radius:8px;box-shadow:var(--shadow-lg);width:100%;max-width:440px;max-height:85vh;overflow-y:auto;padding:20px 24px;animation:modalIn .15s ease-out}.modal-content.modal-sm{max-width:360px}.modal-body{padding:4px 0 8px}.confirm-body{text-align:center;padding:12px 0 16px}.confirm-icon{font-size:2.2rem;margin-bottom:12px}.confirm-message{font-size:.95rem;color:var(--text);line-height:1.5}@keyframes modalIn{0%{opacity:0;transform:scale(.96) translateY(8px)}to{opacity:1;transform:scale(1) translateY(0)}}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--border)}.modal-header h3{font-size:1rem;font-weight:600}.task-form{padding:20px}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:.8rem;font-weight:600;color:var(--text-secondary);margin-bottom:4px}.required-mark{color:var(--red);font-weight:700}.form-group input[type=text],.form-group textarea,.form-group select{width:100%;padding:7px 10px;border:1px solid var(--border);border-radius:var(--radius);font-size:.875rem;font-family:var(--font);color:var(--text);background:var(--surface);transition:border-color .1s}.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.form-group textarea{resize:vertical}.checkbox-group{display:flex;flex-wrap:wrap;gap:4px}.checkbox-group-month{max-height:160px;overflow-y:auto}.checkbox-label{display:flex;align-items:center;gap:4px;font-size:.8rem;padding:3px 8px;border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:all .1s;-webkit-user-select:none;user-select:none}.checkbox-label:hover{border-color:var(--accent);background:var(--accent-light)}.checkbox-label input[type=checkbox]{margin:0}.modal-footer{display:flex;justify-content:flex-end;gap:8px;margin-top:20px;padding-top:16px;border-top:1px solid var(--border)}.btn-cancel{background:#edf4f6;border-color:var(--border);color:var(--text)}.btn-cancel:hover{background:#dfe8ec}.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#f0fcff,#d4faf8)}.login-card{background:var(--surface);border-radius:12px;box-shadow:var(--shadow-lg);padding:40px 36px;width:100%;max-width:400px}.login-header{text-align:center;margin-bottom:28px}.login-icon{font-size:2.5rem;display:block;margin-bottom:8px}.login-header h1{font-size:1.5rem;font-weight:700;color:var(--dark);margin-bottom:4px}.login-header p{font-size:.875rem;color:var(--text-secondary)}.login-error{background:#fde8e8;color:var(--red);padding:10px 14px;border-radius:var(--radius);font-size:.85rem;margin-bottom:16px;text-align:center}.login-form{display:flex;flex-direction:column;gap:16px}.form-group{display:flex;flex-direction:column;gap:6px}.form-group label{font-size:.85rem;font-weight:600;color:var(--text-secondary)}.form-group input{padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius);font-size:.9rem;font-family:var(--font);color:var(--text);background:var(--surface);transition:border-color .15s;outline:none}.form-group input:focus{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-light)}.form-group 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var(--border);border-radius:20px;background:var(--surface);cursor:pointer;font-family:var(--font);transition:all .1s}.topbar-user-btn:hover{background:#edf4f6;border-color:var(--border-hover)}.topbar-username{font-size:.85rem;font-weight:600;color:var(--text);max-width:100px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.topbar-chevron{color:var(--text-secondary);transition:transform .2s}.topbar-chevron.open{transform:rotate(180deg)}.topbar-dropdown{position:absolute;top:calc(100% + 6px);right:0;width:240px;background:var(--surface);border:1px solid var(--border);border-radius:10px;box-shadow:0 8px 24px #2a313d24;z-index:300;overflow:hidden;animation:dropdownIn .15s ease}@keyframes dropdownIn{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.topbar-dropdown-header{display:flex;align-items:center;gap:12px;padding:14px 16px}.topbar-dd-avatar{width:40px;height:40px;border-radius:50%;object-fit:cover;border:2px solid 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