:root{font-family:Inter,Noto Sans SC,Microsoft YaHei,system-ui,sans-serif;color:#171a20;background:#fff;font-synthesis:none;letter-spacing:0;--blue: #1677ff;--header-blue: #3b82f6;--blue-soft: #eef6ff;--text: #171a20;--muted: #697386;--line: #e8ebef;--surface: #f7f8fa;--danger: #e5484d;--orange: #f08c00}*{box-sizing:border-box}html{scrollbar-gutter:stable}body{margin:0;min-width:320px;background:#fff}button,input,textarea{font:inherit;letter-spacing:0}button{color:inherit}button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--blue);outline-offset:2px}button:disabled{opacity:.4;cursor:not-allowed}svg{width:20px;height:20px;stroke-width:1.8;flex:0 0 auto}.app-shell{width:100%;max-width:560px;min-height:100dvh;margin:0 auto;padding:0 0 calc(82px + env(safe-area-inset-bottom));background:#fff}.loading{min-height:100dvh;display:grid;place-items:center;color:var(--muted)}.topbar{height:68px;padding:16px 20px 10px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.topbar h1{margin:0;font-size:25px;line-height:1;font-weight:700}.top-actions{display:flex;align-items:center;gap:4px}.icon-button{width:38px;height:38px;border:0;background:transparent;display:grid;place-items:center;border-radius:6px;cursor:pointer}.icon-button:hover{background:var(--surface)}.icon-button svg{width:22px;height:22px}.date-header{min-height:62px;margin-bottom:12px;padding:9px 20px;display:flex;align-items:center;justify-content:space-between;gap:10px;background:var(--header-blue);color:#fff}.date-header .date-main,.date-header>.icon-button{color:#fff}.date-main{border:0;background:transparent;display:flex;align-items:center;gap:10px;min-height:44px;cursor:pointer;white-space:nowrap}.date-main{position:relative;flex:1;min-width:0;padding:0;font-size:15px;font-weight:600;overflow:hidden}.date-main>span{overflow:hidden;text-overflow:ellipsis}.date-main input{position:absolute;width:1px;height:1px;opacity:0}.header-search{flex:1;min-width:0;display:flex;align-items:center;justify-content:flex-end;gap:4px}.inline-search{width:min(280px,100%);min-width:0;height:38px;padding-left:10px;border:1px solid #dce1e8;border-radius:6px;display:flex;align-items:center;background:#fff}.inline-search input{flex:1;min-width:0;border:0;outline:0;font-size:14px}.inline-search button{width:34px;height:34px;padding:0;border:0;background:transparent;display:grid;place-items:center;cursor:pointer}.inline-search button svg{width:18px;height:18px}.quick-add{margin:0 20px 12px;min-height:50px;padding:0 12px;border:1px solid #dce1e8;border-radius:7px;display:flex;align-items:center;gap:10px}.calendar-header+.quick-add{margin-top:12px}.quick-add input{border:0;outline:0;flex:1;min-width:0;font-size:14px}.quick-add button,.add-step button{border:0;background:var(--blue);color:#fff;border-radius:5px;padding:7px 12px;cursor:pointer}.filters{display:flex;gap:6px;padding:0 12px 12px;overflow-x:auto;scrollbar-width:none;border-bottom:1px solid var(--line)}.filters::-webkit-scrollbar{display:none}.filters button{min-height:36px;padding:0 9px;border:1px solid #dce1e8;border-radius:6px;background:#fff;display:flex;align-items:center;gap:5px;white-space:nowrap;cursor:pointer;font-size:13px}.filters button svg{width:16px;height:16px}.filters button.active{color:var(--blue);border-color:#acd0ff;background:var(--blue-soft)}.filters .mini{width:14px;height:14px;margin-left:2px}.content{width:100%}.task-group{--priority: #8a939f}.priority-important-urgent{--priority: #e5484d}.priority-important{--priority: #f08c00}.priority-urgent{--priority: #1677ff}.group-header{width:100%;min-height:46px;border:0;border-bottom:1px solid var(--line);background:#fafbfc;padding:0 20px;display:flex;align-items:center;gap:8px;cursor:pointer;text-align:left}.group-header .flag{color:var(--priority);display:grid;place-items:center}.group-header .flag svg{fill:currentColor;width:18px;height:18px}.group-header strong{font-size:15px}.group-header .count{width:21px;height:21px;border-radius:50%;background:var(--priority);color:#fff;display:grid;place-items:center;font-size:12px;font-weight:700}.group-header .collapse-label{margin-left:auto;color:var(--muted);font-size:13px}.group-header>svg{color:var(--muted)}.empty-group{min-height:54px;display:grid;place-items:center;color:#9aa2ad;border-bottom:1px solid var(--line);font-size:14px}.task-row{border-bottom:1px solid var(--line)}.task-summary{min-height:92px;display:grid;grid-template-columns:18px 25px minmax(0,1fr) auto;align-items:start;gap:7px;padding:13px 14px 10px}.drag{color:#9aa2ad;margin-top:3px}.check-button,.step-check{border:1.5px solid #818b98;background:#fff;display:grid;place-items:center;cursor:pointer}.check-button{width:24px;height:24px;border-radius:5px}.check-button.checked,.step-check.checked{background:var(--blue);border-color:var(--blue);color:#fff}.check-button svg,.step-check svg{width:16px;height:16px;stroke-width:2.5}.task-main{min-width:0;display:flex;flex-direction:column;gap:5px}.task-title-line{min-width:0;display:flex;align-items:center;gap:3px}.task-title-button,.task-meta-button{min-width:0;padding:0;border:0;background:transparent;text-align:left;cursor:pointer}.task-title-button{overflow:hidden}.task-title-button strong{display:block;overflow:hidden;text-overflow:ellipsis;font-size:15px;line-height:1.3;word-break:break-word}.task-meta-button{display:flex;flex-direction:column;gap:5px}.meta-line{display:flex;gap:6px;flex-wrap:wrap;min-height:22px}.tag-chip{display:inline-flex;align-items:center;gap:3px;min-height:19px;padding:0 6px;border:1px solid #dce1e8;border-radius:5px;color:#566171;font-size:12px}.tag-chip svg{width:13px;height:13px}.deadline{display:flex;align-items:center;gap:5px;color:#687383;font-size:13px}.deadline svg{width:15px;height:15px}.priority-important-urgent .deadline,.priority-urgent .deadline,.deadline.overdue{color:var(--danger)}.task-row.completed .deadline{color:#8b939e}.task-trailing{display:flex;min-width:36px;align-items:center;justify-content:flex-end;gap:2px}.progress-ring{width:37px;height:37px;border:3px solid #dce1e8;border-top-color:var(--priority);border-radius:50%;display:grid;place-items:center;font-size:11px;font-weight:600}.star,.expand-button{width:36px;height:32px;border:0;background:transparent;color:#7d8794;display:grid;place-items:center;cursor:pointer;border-radius:5px}.star.selected{color:var(--orange)}.star.selected svg{fill:#fff3d6}.task-title-line .star{width:28px;height:24px}.task-title-line .star svg{width:18px;height:18px}.expand-button svg{width:17px;height:17px}.task-row.completed .task-title-button strong{color:#8b939e;text-decoration:line-through}.step-panel{margin:0 14px 12px 42px;border-top:1px solid var(--line)}.step-progress{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:10px;padding:9px 0;font-size:12px;color:#4f5968}.step-progress>div{height:5px;border-radius:3px;background:#e9edf2;overflow:hidden}.step-progress i{display:block;height:100%;background:var(--blue);border-radius:inherit}.step-row{min-height:39px;display:grid;grid-template-columns:17px 21px minmax(0,1fr) auto;align-items:center;gap:6px;border-top:1px solid var(--line)}.step-row>svg{width:17px;color:#a1a9b4}.step-check{width:20px;height:20px;border-radius:50%}.step-row>span{font-size:12px;line-height:1.3}.step-row>span.done{color:#89919c;text-decoration:line-through}.step-actions{display:flex}.step-actions button{width:26px;height:32px;border:0;background:transparent;color:#697386;display:grid;place-items:center;cursor:pointer}.step-actions svg{width:16px;height:16px}.add-step{min-height:40px;border:1px solid #dce1e8;border-radius:6px;display:flex;align-items:center;gap:7px;padding:0 9px;margin-top:8px;font-size:13px}.add-step input{min-width:0;flex:1;border:0;outline:0}.progress-note{width:100%;margin-top:8px;padding:8px 10px;border:1px solid #e1e5ea;border-radius:6px;background:#fafbfc;display:grid;grid-template-columns:1fr auto;text-align:left;gap:3px;cursor:pointer}.progress-note span{color:var(--muted);font-size:12px}.progress-note strong{font-size:13px;line-height:1.45;font-weight:500}.progress-note svg{grid-column:2;grid-row:1 / span 2;align-self:center;width:16px}.panel-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:8px}.panel-actions button{border:0;background:transparent;min-height:38px;display:flex;align-items:center;gap:5px;color:#4d5867;cursor:pointer}.panel-actions button.danger{color:var(--danger)}.bottom-nav{position:fixed;z-index:20;bottom:0;left:50%;transform:translate(-50%);width:min(100%,560px);height:calc(64px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--line);background:#fffffff7}.bottom-nav button{min-width:0;border:0;background:transparent;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;color:#737d8a;cursor:pointer;font-size:13px}.bottom-nav button.active{color:var(--blue);font-weight:600}.bottom-nav svg{width:23px;height:23px}.modal-backdrop{position:fixed;z-index:50;top:0;right:0;bottom:0;left:0;background:#14181f61;display:flex;align-items:flex-end;justify-content:center}.sheet{width:100%;max-width:560px;max-height:92dvh;overflow-y:auto;background:#fff;border-radius:8px 8px 0 0;padding:18px 20px calc(20px + env(safe-area-inset-bottom));box-shadow:0 -8px 28px #1c232d1f}.sheet.compact{max-height:72dvh}.sheet header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.sheet h2{margin:0;font-size:21px}.sheet>label,.review-card label{display:flex;flex-direction:column;gap:6px;margin:12px 0;color:#525d6c;font-size:13px;font-weight:600}.sheet input,.sheet textarea,.review-card input,.review-card textarea,.note-input input,.add-label input{width:100%;border:1px solid #d8dde4;border-radius:6px;padding:10px 11px;outline:0;color:var(--text);background:#fff}.sheet textarea,.review-card textarea{resize:vertical;min-height:72px}.sheet fieldset{border:0;margin:12px 0;padding:0}.sheet legend{color:#525d6c;font-size:13px;font-weight:600;margin-bottom:8px}.choice-row{display:flex;flex-wrap:wrap;gap:8px}.choice-row button{min-height:38px;padding:0 12px;border:1px solid #d8dde4;border-radius:6px;background:#fff;display:flex;align-items:center;gap:6px}.choice-row button.selected{color:var(--blue);border-color:#acd0ff;background:var(--blue-soft)}.inline-label-add{min-height:42px;margin-top:8px;padding:0 8px 0 10px;border:1px solid #d8dde4;border-radius:6px;display:flex;align-items:center;gap:7px}.inline-label-add svg{width:17px;color:var(--muted)}.inline-label-add input{flex:1;min-width:0;border:0;outline:0}.inline-label-add button{min-height:32px;padding:0 10px;border:0;border-radius:5px;background:var(--blue);color:#fff;white-space:nowrap;cursor:pointer}.toggle-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.toggle-grid label{min-height:44px;border:1px solid #d8dde4;border-radius:6px;padding:0 12px;display:flex;align-items:center;gap:9px;font-weight:500}.toggle-grid input{width:18px;height:18px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:10px}.sheet footer{position:sticky;bottom:-20px;display:flex;justify-content:flex-end;gap:8px;background:#fff;padding-top:14px}.sheet footer button,.review-actions button,.add-label button{min-height:42px;padding:0 14px;border-radius:6px;border:1px solid #d8dde4;background:#fff;display:flex;align-items:center;justify-content:center;gap:6px;cursor:pointer}button.primary,.sheet footer button.primary,.review-actions button.primary,.add-label button.primary{background:var(--blue);border-color:var(--blue);color:#fff}button.danger,.danger{color:var(--danger)}button.ghost{border-color:transparent;margin-right:auto}.muted{margin:-8px 0 14px;color:var(--muted);font-size:13px}.label-list{border-top:1px solid var(--line)}.label-list>div{min-height:50px;display:grid;grid-template-columns:24px 1fr 40px 40px;align-items:center;border-bottom:1px solid var(--line)}.label-list button{width:38px;height:38px;border:0;background:transparent;display:grid;place-items:center}.label-list button svg{width:17px}.add-label{margin-top:14px;display:grid;grid-template-columns:1fr auto;gap:8px}.history-row{padding:16px 24px;border-bottom:1px solid var(--line)}.history-row>div:first-child{display:flex;flex-direction:column;gap:5px}.history-row>div span{color:var(--muted);font-size:13px}.historical-note{margin:10px 0;padding:9px 10px;background:var(--surface);border-left:3px solid var(--blue);font-size:13px}.note-input{display:flex;gap:8px;margin-top:10px}.note-input input{width:auto;min-width:0;flex:1}.note-input button{min-width:58px;flex:0 0 auto;border:0;background:var(--blue);color:#fff;border-radius:5px;padding:0 12px;white-space:nowrap}.calendar-header{border-bottom:1px solid var(--line);background:#fff}.calendar-month-bar{min-height:62px;margin-bottom:12px;padding:9px 20px;display:flex;align-items:center;justify-content:space-between;background:var(--header-blue);color:#fff}.calendar-month-bar .calendar-date-title,.calendar-month-bar>.icon-button{color:#fff}.calendar-date-title{min-height:44px}.calendar-weekdays,.calendar-date-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr))}.calendar-weekdays{padding:0 14px;color:#4f5968;font-size:12px;text-align:center}.calendar-weekdays span{min-height:22px;display:grid;place-items:center}.calendar-weekdays .weekend{color:var(--orange)}.calendar-date-grid{padding:0 14px}.calendar-date-grid button{width:min(52px,100%);height:52px;min-width:0;justify-self:center;border:0;border-radius:50%;background:transparent;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;cursor:pointer}.calendar-date-grid strong{font-size:17px;line-height:1;font-weight:600}.calendar-date-grid small{min-height:11px;font-size:9px;line-height:1}.calendar-date-grid button.selected{background:var(--blue);color:#fff}.calendar-date-grid button.outside{color:#adb4be}.calendar-date-grid button.selected.outside{color:#fff}.calendar-header.compact .calendar-date-grid button:not(.selected):hover,.calendar-header.expanded .calendar-date-grid button:not(.selected):hover{background:var(--surface)}.calendar-expand{width:100%;height:26px;border:0;background:transparent;color:#9aa3ae;display:grid;place-items:center;cursor:pointer}.calendar-expand svg{width:22px}.calendar-header.compact .calendar-date-grid{padding-bottom:2px}.calendar-header.expanded .calendar-date-grid button{width:100%;height:38px;border-radius:6px}.calendar-header.expanded .calendar-date-grid{row-gap:2px}.calendar-list>button{width:100%;min-height:68px;padding:10px 24px;border:0;border-bottom:1px solid var(--line);background:#fff;display:grid;grid-template-columns:10px 1fr 24px;gap:12px;align-items:center;text-align:left}.calendar-list>button span:nth-child(2){display:flex;flex-direction:column;gap:4px}.calendar-list small{color:var(--muted)}.priority-dot{width:8px;height:32px;border-radius:4px;background:#929aa6}.priority-dot.important-urgent{background:var(--danger)}.priority-dot.important{background:var(--orange)}.priority-dot.urgent{background:var(--blue)}.review-view{padding-bottom:12px}.review-header{min-height:62px;margin-bottom:12px;padding:9px 20px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--header-blue);background:var(--header-blue);color:#fff}.review-header>.icon-button{color:#fff}.review-heading{display:flex;align-items:center;gap:10px;white-space:nowrap}.review-heading svg{width:20px;height:20px}.review-header h1{margin:0;font-size:15px;line-height:1;font-weight:600}.review-card{padding:0 24px 18px;border-bottom:1px solid var(--line)}.review-card.collapsed{padding-bottom:0}.review-card-header{width:100%;min-height:74px;padding:12px 0;border:0;background:#fff;display:grid;grid-template-columns:minmax(0,1fr) auto 24px;align-items:center;gap:10px;text-align:left;cursor:pointer}.review-title{min-width:0;display:flex;flex-direction:column;gap:4px}.review-title strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:15px;line-height:1.3;font-weight:700}.review-title small{color:var(--muted);font-size:12px}.review-card-header>svg{width:18px;color:var(--muted)}.review-content input[readonly],.review-content textarea[readonly]{background:#f7f8fa;color:#465160;cursor:default}.review-pending,.review-done{align-self:start;border-radius:5px;padding:4px 8px;font-size:12px}.review-pending{color:#9a6400!important;background:#fff5dc}.review-done{color:#18794e!important;background:#e9f9f0}.review-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px}.review-actions .danger{margin-right:auto}.empty-state{min-height:240px;padding:40px 24px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:var(--muted)}.empty-state svg{width:42px;height:42px;margin-bottom:12px;color:#aab2bd}.empty-state strong{color:#4f5968}.empty-state p{margin:6px 0;font-size:13px}.toast{position:fixed;z-index:80;left:50%;bottom:calc(84px + env(safe-area-inset-bottom));transform:translate(-50%);width:calc(100% - 32px);max-width:500px;min-height:48px;padding:8px 12px 8px 16px;background:#252a31;color:#fff;border-radius:6px;display:flex;align-items:center;justify-content:space-between;gap:12px;box-shadow:0 8px 24px #0000002e}.toast button{min-height:36px;border:0;background:transparent;color:#80b7ff;display:flex;align-items:center;gap:5px}@media(max-width:390px){.topbar,.date-header{padding-left:14px;padding-right:14px}.quick-add{margin-left:14px;margin-right:14px}.filters{padding-left:8px;padding-right:8px}.task-summary{padding-left:10px;padding-right:10px}.step-panel{margin-left:36px;margin-right:10px}.collapse-label{display:none}.date-main{font-size:14px}.step-actions button{width:24px}}@media(min-width:700px){.app-shell{border-left:1px solid var(--line);border-right:1px solid var(--line)}}