:root{color-scheme:light;--primary: #356859;--primary-dark: #285246;--primary-soft: #e6f0ec;--accent: #c37b24;--accent-soft: #fbf0df;--danger: #c84c4c;--danger-dark: #9f3838;--danger-soft: #fbeaea;--bg: #f5f6f3;--surface: #ffffff;--surface-subtle: #f9faf8;--column-bg: #ecefea;--text: #1c2522;--text-soft: #4f5e59;--muted: #78847f;--border: #dfe4df;--border-strong: #cfd7d1;--shadow-xs: 0 1px 2px rgba(30, 47, 40, .06);--shadow-sm: 0 5px 16px rgba(30, 47, 40, .08);--shadow-lg: 0 24px 64px rgba(24, 39, 33, .2);--radius: 8px;--header-height: 64px}*{box-sizing:border-box;margin:0;padding:0;letter-spacing:0}html,body,#root{width:100%;height:100%}body{min-width:320px;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,Arial,sans-serif;-webkit-font-smoothing:antialiased}button,input,textarea{color:inherit;font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed}svg{flex:0 0 auto}:focus-visible{outline:3px solid rgba(53,104,89,.2);outline-offset:2px}::selection{background:#cfe2da}.brand-mark{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-size:15px;font-weight:720;white-space:nowrap}.brand-mark-icon{display:inline-flex;width:32px;height:32px;align-items:center;justify-content:center;border-radius:7px;background:var(--primary);color:#fff;box-shadow:inset 0 0 0 1px #ffffff1f}.brand-mark-name{line-height:1}.auth-page{display:grid;min-height:100%;grid-template-columns:minmax(400px,.92fr) minmax(440px,1.08fr);background:var(--surface)}.auth-showcase{display:flex;min-height:100%;flex-direction:column;justify-content:space-between;padding:40px 48px;overflow:hidden;background:#173b32;color:#f6fbf8}.auth-showcase .brand-mark{color:#fff}.auth-showcase .brand-mark-icon{background:#f1c578;color:#173b32}.auth-showcase-copy{width:100%;max-width:560px;margin:60px auto}.auth-eyebrow,.section-eyebrow{display:flex;align-items:center;gap:6px;color:var(--primary);font-size:12px;font-weight:700}.auth-showcase .auth-eyebrow{color:#f1c578}.auth-showcase h2{max-width:520px;margin-top:14px;font-size:42px;font-weight:680;line-height:1.22}.auth-showcase-foot{color:#eff8f4a3;font-size:12px}.auth-preview{display:grid;margin-top:48px;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;transform:rotate(-1deg)}.preview-column{min-height:168px;padding:16px;border:1px solid rgba(255,255,255,.13);border-radius:var(--radius);background:#ffffff14;color:#ffffffb3;font-size:12px;font-weight:650}.preview-column-accent{transform:translateY(22px);background:#f1c5781a}.preview-task{display:flex;align-items:center;gap:9px;margin-top:12px;padding:13px;border-radius:6px;background:#fff;color:#26342f;font-size:13px;font-weight:540;box-shadow:0 10px 28px #091c162e}.preview-task i{width:14px;height:14px;border:1.5px solid #9bb0a7;border-radius:4px}.auth-benefits{display:flex;margin-top:44px;flex-direction:column;gap:16px}.auth-benefits span{display:flex;align-items:center;gap:10px;color:#ffffffd1;font-size:14px}.auth-benefits svg{color:#f1c578}.auth-card{display:flex;width:min(420px,calc(100% - 48px));align-self:center;justify-self:center;flex-direction:column;gap:18px;padding:40px 0}.auth-mobile-brand{display:none}.auth-heading{margin-bottom:10px}.auth-heading h1{margin-top:9px;font-size:30px;font-weight:700;line-height:1.25}.auth-sub{margin-top:9px;color:var(--muted);font-size:14px;line-height:1.6}.auth-card label{display:flex;flex-direction:column;gap:8px;color:var(--text-soft);font-size:13px;font-weight:620}.input-shell{display:flex;height:48px;align-items:center;gap:10px;padding:0 13px;border:1px solid var(--border-strong);border-radius:var(--radius);background:var(--surface);color:var(--muted);transition:border-color .16s ease,box-shadow .16s ease}.input-shell:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px #3568591a;color:var(--primary)}.input-shell input{min-width:0;flex:1;border:0;outline:0;background:transparent;color:var(--text);font-size:14px}.input-shell input::placeholder,textarea::placeholder,input::placeholder{color:#a0aaa5}.input-action{display:inline-flex;width:30px;height:30px;align-items:center;justify-content:center;border:0;border-radius:6px;background:transparent;color:var(--muted)}.input-action:hover{background:var(--surface-subtle);color:var(--text)}.auth-error,.board-error{border:1px solid #efd1d1;background:var(--danger-soft);color:var(--danger-dark);font-size:13px;line-height:1.45}.auth-error{padding:11px 13px;border-radius:var(--radius)}.auth-submit{display:flex;width:100%;height:48px;align-items:center;justify-content:center;gap:9px;margin-top:2px;border:1px solid var(--primary);border-radius:var(--radius);background:var(--primary);color:#fff;font-size:14px;font-weight:680;transition:background .16s ease,transform .16s ease}.auth-submit:hover:not(:disabled){background:var(--primary-dark);transform:translateY(-1px)}.auth-submit:disabled{opacity:.58}.auth-switch{color:var(--muted);font-size:13px;text-align:center}.auth-switch a{color:var(--primary);font-weight:680;text-decoration:none}.auth-switch a:hover{text-decoration:underline}.auth-loading{display:flex;height:100%;align-items:center;justify-content:center;gap:10px;color:var(--muted);font-size:14px}.auth-loading:before{width:18px;height:18px;border:2px solid var(--border-strong);border-top-color:var(--primary);border-radius:50%;content:"";animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.board,.memo-page{display:flex;height:100%;min-height:0;flex-direction:column;background:var(--bg)}.board-header{position:relative;z-index:50;display:grid;min-height:var(--header-height);flex:0 0 var(--header-height);grid-template-columns:minmax(180px,1fr) auto minmax(180px,1fr);align-items:center;padding:0 28px;border-bottom:1px solid var(--border);background:#fffffff5}.main-nav{display:flex;align-items:center;gap:3px;padding:4px;border-radius:var(--radius);background:var(--surface-subtle)}.nav-tab{display:inline-flex;min-height:34px;align-items:center;gap:7px;padding:0 13px;border-radius:6px;color:var(--muted);font-size:13px;font-weight:590;text-decoration:none;transition:background .15s ease,color .15s ease,box-shadow .15s ease}.nav-tab:hover{color:var(--text)}.nav-tab.active{background:var(--surface);color:var(--primary-dark);box-shadow:var(--shadow-xs)}.board-user{display:flex;min-width:0;align-items:center;justify-content:flex-end;gap:9px}.user-avatar{display:inline-flex;width:30px;height:30px;align-items:center;justify-content:center;border-radius:50%;background:var(--accent-soft);color:#8e5a1d;font-size:12px;font-weight:750}.board-email{max-width:180px;overflow:hidden;color:var(--text-soft);font-size:12px;text-overflow:ellipsis;white-space:nowrap}.icon-button{display:inline-flex;align-items:center;justify-content:center}.btn-logout{width:34px;height:34px;border:1px solid transparent;border-radius:7px;background:transparent;color:var(--muted);transition:background .15s ease,color .15s ease}.btn-logout:hover{background:var(--danger-soft);color:var(--danger)}.board-error{padding:9px 28px;border-width:0 0 1px}.workspace-heading{display:flex;flex:0 0 auto;align-items:flex-end;justify-content:space-between;gap:20px;padding:22px 32px 16px}.workspace-heading h1{margin-top:5px;font-size:24px;font-weight:720;line-height:1.2}.workspace-date{margin-top:6px;color:var(--muted);font-size:12px}.workspace-stats{display:flex;min-height:36px;align-items:center;gap:12px;color:var(--muted);font-size:12px}.workspace-stats strong{margin-right:3px;color:var(--text);font-size:15px}.stat-divider{width:1px;height:18px;background:var(--border-strong)}.stat-overdue{display:inline-flex;align-items:center;gap:5px;padding:6px 9px;border-radius:6px;background:var(--danger-soft);color:var(--danger-dark);font-weight:650}.board-body{display:flex;min-height:0;flex:1;align-items:flex-start;gap:14px;padding:6px 32px 24px;overflow-x:auto;overflow-y:hidden;scrollbar-color:#bdc8c1 transparent;scrollbar-width:thin}.board-body::-webkit-scrollbar,.column-body::-webkit-scrollbar,.notes-list::-webkit-scrollbar{width:7px;height:7px}.board-body::-webkit-scrollbar-thumb,.column-body::-webkit-scrollbar-thumb,.notes-list::-webkit-scrollbar-thumb{border-radius:8px;background:#bdc8c1}.column{display:flex;width:304px;max-height:100%;flex:0 0 304px;flex-direction:column;border:1px solid #e1e5e1;border-radius:var(--radius);background:var(--column-bg);box-shadow:var(--shadow-xs);transition:border-color .15s ease,box-shadow .15s ease,transform .15s ease}.column.drag-over{border-color:var(--primary);box-shadow:0 0 0 3px #3568591f;transform:translateY(-2px)}.column-header{display:flex;min-height:48px;align-items:center;justify-content:space-between;gap:8px;padding:10px 11px 8px 14px}.column-title{display:flex;min-width:0;align-items:center;gap:8px;color:var(--text);font-size:13px;font-weight:720;-webkit-user-select:none;user-select:none}.column-title:not(.overdue-title){cursor:text}.column-dot{width:8px;height:8px;flex:0 0 auto;border-radius:50%;background:var(--primary);box-shadow:0 0 0 3px #3568591c}.column-count{display:inline-flex;min-width:22px;height:20px;align-items:center;justify-content:center;padding:0 6px;border-radius:6px;background:#26373012;color:var(--muted);font-size:11px;font-weight:700}.column-name-input{min-width:0;height:32px;flex:1;padding:0 8px;border:1px solid var(--primary);border-radius:6px;outline:none;background:var(--surface);font-size:13px;font-weight:650;box-shadow:0 0 0 3px #3568591a}.column-menu-wrap{position:relative}.column-menu-btn{width:30px;height:30px;border:0;border-radius:6px;background:transparent;color:var(--muted)}.column-menu-btn:hover{background:#1f302912;color:var(--text)}.column-menu{position:absolute;z-index:70;top:34px;right:0;display:flex;width:148px;flex-direction:column;gap:2px;padding:5px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow-sm)}.column-menu button{display:flex;min-height:34px;align-items:center;gap:8px;padding:0 9px;border:0;border-radius:5px;background:transparent;color:var(--text-soft);font-size:12px;text-align:left}.column-menu button:hover{background:var(--surface-subtle);color:var(--text)}.column-menu button.danger{color:var(--danger)}.column-menu button.danger:hover{background:var(--danger-soft)}.column-body{display:flex;min-height:82px;flex:1;flex-direction:column;gap:7px;padding:3px 8px 8px;overflow-y:auto}.column-empty{display:flex;min-height:96px;align-items:center;justify-content:center;flex-direction:column;gap:8px;border:1px dashed #c8d0ca;border-radius:7px;color:#909c96;font-size:12px}.column-footer{padding:0 8px 8px}.footer-row{display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:5px}.footer-row input{width:100%;min-width:0;height:36px;padding:0 10px;border:1px solid transparent;border-radius:6px;outline:none;background:#ffffffad;font-size:12px;transition:background .15s ease,border-color .15s ease}.footer-row input:focus{border-color:var(--primary);background:var(--surface)}.btn-today{display:inline-flex;height:32px;align-items:center;gap:4px;padding:0 8px;border:1px solid var(--border-strong);border-radius:6px;background:var(--surface);color:var(--muted);font-size:11px;font-weight:620;white-space:nowrap}.btn-today:hover{border-color:var(--primary);color:var(--primary)}.btn-today.active{border-color:#d9b473;background:var(--accent-soft);color:#8e5a1d}.footer-add{display:inline-flex;width:32px;height:32px;align-items:center;justify-content:center;border:0;border-radius:6px;background:var(--primary);color:#fff;transition:background .15s ease}.footer-add:hover{background:var(--primary-dark)}.todo-card{display:flex;min-height:54px;align-items:flex-start;gap:10px;padding:11px;border:1px solid rgba(207,216,210,.72);border-radius:7px;background:var(--surface);box-shadow:var(--shadow-xs);cursor:grab;transition:border-color .14s ease,box-shadow .14s ease,transform .14s ease}.todo-card:hover{border-color:#c6d1ca;box-shadow:0 4px 12px #24342d14;transform:translateY(-1px)}.todo-card.dragging{opacity:.42}.todo-check{display:flex;align-items:center;padding-top:2px}.todo-check input,.modal-check input,.switch-row input{width:16px;height:16px;accent-color:var(--primary)}.todo-main{display:flex;min-width:0;flex:1;flex-direction:column;gap:7px}.todo-title{color:var(--text);font-size:13px;font-weight:540;line-height:1.48;overflow-wrap:anywhere}.todo-badges{display:flex;flex-wrap:wrap;gap:5px}.badge{display:inline-flex;min-height:20px;align-items:center;gap:4px;padding:0 6px;border-radius:5px;background:var(--primary-soft);color:var(--primary-dark);font-size:10px;font-weight:650;white-space:nowrap}.badge-due{background:var(--accent-soft);color:#8e5a1d}.badge-remind{background:var(--danger-soft);color:var(--danger-dark)}.todo-card.completed{background:#ffffffa3}.todo-card.completed .todo-title{color:#919b96;text-decoration:line-through}.todo-del{display:inline-flex;width:26px;height:26px;align-items:center;justify-content:center;flex:0 0 auto;border:0;border-radius:5px;background:transparent;color:#a7b0ac;opacity:0;transition:opacity .14s ease,color .14s ease,background .14s ease}.todo-card:hover .todo-del,.todo-del:focus-visible{opacity:1}.todo-del:hover{background:var(--danger-soft);color:var(--danger)}.add-column{display:flex;width:304px;min-height:48px;flex:0 0 304px;align-items:center;justify-content:center;gap:7px;padding:0 16px;border:1px dashed #bfc9c2;border-radius:var(--radius);background:#ffffff59;color:var(--muted);font-size:12px;font-weight:650;transition:background .15s ease,border-color .15s ease,color .15s ease}.add-column:hover{border-color:var(--primary);background:var(--primary-soft);color:var(--primary)}.add-column-form{display:flex;width:304px;flex:0 0 304px;flex-direction:column;gap:9px;padding:10px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow-sm)}.add-column-form input{height:38px;padding:0 10px;border:1px solid var(--primary);border-radius:6px;outline:none;font-size:13px;box-shadow:0 0 0 3px #3568591a}.add-column-actions{display:flex;align-items:center;gap:7px}.add-column-actions button{display:inline-flex;min-height:32px;align-items:center;justify-content:center;gap:5px;padding:0 12px;border:0;border-radius:6px;background:var(--primary);color:#fff;font-size:12px;font-weight:650}.add-column-actions button.ghost{width:32px;padding:0;background:transparent;color:var(--muted)}.add-column-actions button.ghost:hover{background:var(--surface-subtle);color:var(--text)}.overdue-column{border-color:#eccdcd;background:#f7eeee}.overdue-title,.overdue-card .todo-title,.overdue-date{color:var(--danger-dark)}.overdue-title svg{color:var(--danger)}.overdue-date{font-size:10px;font-weight:620}.btn-postpone{display:inline-flex;min-height:28px;align-items:center;gap:4px;flex:0 0 auto;padding:0 8px;border:1px solid #dfbcbc;border-radius:6px;background:var(--surface);color:var(--danger-dark);font-size:10px;font-weight:680}.btn-postpone:hover{border-color:var(--danger);background:var(--danger);color:#fff}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes modal-in{0%{opacity:0;transform:translateY(8px) scale(.985)}to{opacity:1;transform:translateY(0) scale(1)}}.modal-overlay{position:fixed;z-index:200;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;padding:20px;background:#131d1985;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);animation:fade-in .14s ease}.modal{width:100%;max-width:520px;max-height:min(88vh,760px);padding:22px;overflow-y:auto;border:1px solid rgba(255,255,255,.72);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow-lg);animation:modal-in .18s ease}.modal-header{display:flex;align-items:center;gap:10px;margin-bottom:14px}.modal-title{min-width:0;height:42px;flex:1;padding:0 2px;border:0;border-bottom:1px solid transparent;outline:none;background:transparent;color:var(--text);font-size:19px;font-weight:700}.modal-title:focus{border-bottom-color:var(--primary)}.modal-close{display:inline-flex;width:34px;height:34px;align-items:center;justify-content:center;border:0;border-radius:6px;background:transparent;color:var(--muted)}.modal-close:hover{background:var(--surface-subtle);color:var(--text)}.modal-row{margin-bottom:5px}.modal-check,.switch-row{display:flex;align-items:center;gap:8px;color:var(--text-soft);font-size:13px;cursor:pointer}.modal-check>svg{display:none}.modal-section{padding:17px 0;border-top:1px solid var(--border)}.modal-section h4{display:flex;align-items:center;gap:7px;margin-bottom:11px;color:var(--text-soft);font-size:12px;font-weight:700}.modal-section h4 svg{color:var(--primary)}.segmented{display:inline-flex;max-width:100%;flex-wrap:wrap;gap:4px;padding:4px;border-radius:7px;background:var(--surface-subtle)}.seg{min-height:32px;padding:0 12px;border:0;border-radius:5px;background:transparent;color:var(--muted);font-size:12px;font-weight:600}.seg:hover{color:var(--text)}.seg.active{background:var(--surface);color:var(--primary-dark);box-shadow:var(--shadow-xs)}.modal-field{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:12px;color:var(--text-soft);font-size:13px}.modal-field input{min-height:36px;padding:0 9px;border:1px solid var(--border-strong);border-radius:6px;outline:none;background:var(--surface);font-size:12px}.modal-field input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #35685917}.modal-footer{display:flex;justify-content:flex-end;padding-top:16px;border-top:1px solid var(--border)}.modal-delete{display:inline-flex;min-height:36px;align-items:center;gap:7px;padding:0 12px;border:1px solid #eccaca;border-radius:6px;background:var(--danger-soft);color:var(--danger-dark);font-size:12px;font-weight:680}.modal-delete:hover{border-color:var(--danger);background:var(--danger);color:#fff}.notes-list{display:flex;max-height:220px;flex-direction:column;gap:7px;margin-bottom:10px;overflow-y:auto}.notes-empty,.memo-empty{border:1px dashed var(--border-strong);border-radius:7px;color:var(--muted);font-size:12px;text-align:center}.notes-empty{padding:18px 12px}.note-item{padding:10px 11px;border:1px solid var(--border);border-radius:7px;background:var(--surface-subtle)}.note-content{color:var(--text-soft);font-size:12px;line-height:1.55;overflow-wrap:anywhere;white-space:pre-wrap}.note-meta{display:flex;align-items:center;justify-content:space-between;margin-top:7px;color:var(--muted);font-size:10px}.note-meta button{display:inline-flex;width:26px;height:26px;align-items:center;justify-content:center;border:0;border-radius:5px;background:transparent;color:var(--muted)}.note-meta button:hover{background:var(--danger-soft);color:var(--danger)}.note-composer{display:flex;align-items:flex-end;gap:7px}.note-composer textarea{min-width:0;min-height:58px;flex:1;resize:vertical;padding:9px 10px;border:1px solid var(--border-strong);border-radius:7px;outline:none;font-size:12px;line-height:1.45}.note-composer textarea:focus{border-color:var(--primary)}.note-composer button{display:inline-flex;min-height:36px;align-items:center;gap:5px;padding:0 11px;border:0;border-radius:6px;background:var(--primary);color:#fff;font-size:11px;font-weight:650}.note-composer button:disabled{opacity:.45}.confirm-modal{max-width:370px;padding:26px 24px 22px;text-align:center}.confirm-icon{display:inline-flex;width:44px;height:44px;align-items:center;justify-content:center;margin-bottom:14px;border-radius:50%;background:var(--accent-soft);color:#98601d}.confirm-text{margin-bottom:20px;font-size:14px;line-height:1.55;overflow-wrap:anywhere}.confirm-actions{display:flex;justify-content:center;gap:8px}.confirm-cancel,.confirm-ok{min-height:36px;padding:0 16px;border:1px solid var(--border-strong);border-radius:6px;background:var(--surface);color:var(--text-soft);font-size:12px;font-weight:650}.confirm-ok{border-color:var(--primary);background:var(--primary);color:#fff}.confirm-ok:hover{background:var(--primary-dark)}.memo-main{width:100%;max-width:780px;flex:1;margin:0 auto;padding:38px 28px 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