:root{--text:#475569;--text-h:#0f172a;--text-muted:#64748b;--bg:#f8fafc;--surface:#fff;--surface-2:#f1f5f9;--border:#e2e8f0;--accent:#2563eb;--accent-bg:#2563eb1a;--accent-border:#2563eb59;--shadow-sm:0 1px 3px #0f172a14;--sidebar-width:260px;--tree-width:300px;--safe-top:env(safe-area-inset-top,0px);--safe-bottom:env(safe-area-inset-bottom,0px);--mobile-tab-h:56px;letter-spacing:.01em;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;font-family:Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;font-weight:400;line-height:1.5}*{box-sizing:border-box}html,body{overscroll-behavior:none;height:100%;margin:0;overflow:hidden}#root{height:100%}button,input,select,textarea{font:inherit}.app{background:var(--bg);height:100dvh;color:var(--text);flex-direction:column;display:flex;overflow:hidden}.app-boot{justify-content:center;align-items:center}.app-boot-inner{color:var(--text-muted);font-size:.95rem}.cloud-auth-wrap{position:relative}.cloud-auth-backdrop{z-index:10000;background:#0f172a6b;position:fixed;inset:0}.cloud-auth-modal{z-index:10001;border:1px solid var(--border);background:var(--surface);border-radius:14px;flex-direction:column;gap:10px;width:min(360px,100vw - 32px);max-height:min(90dvh,520px);padding:20px;display:flex;position:fixed;top:50%;left:50%;overflow:auto;transform:translate(-50%,-50%);box-shadow:0 24px 48px #0003}.cloud-auth-sub{color:var(--text-muted);margin:-6px 0 0;font-size:.72rem;line-height:1.45}.cloud-auth-title{color:var(--text-h);margin:0 0 4px;font-size:.95rem;font-weight:600}.cloud-auth-inline{align-items:center;gap:8px;max-width:220px;display:flex}.cloud-auth-email{color:var(--text-muted);text-overflow:ellipsis;white-space:nowrap;margin:0;font-size:.75rem;overflow:hidden}.cloud-auth-input{box-sizing:border-box;border:1px solid var(--border);background:var(--bg);width:100%;color:var(--text);border-radius:8px;padding:8px 10px;font-size:.85rem}.cloud-auth-msg{color:var(--accent);white-space:pre-line;margin:0;font-size:.72rem;line-height:1.35}.cloud-auth-actions{flex-wrap:wrap;gap:8px;display:flex}.cloud-auth-block.mobile{border-bottom:1px solid var(--border);flex-direction:column;gap:8px;margin-bottom:4px;padding:8px 0;display:flex}.cloud-auth-hint{color:var(--text-muted);margin:0;font-size:.72rem}.cloud-auth-sub-tight{margin:-6px 0 0}.cloud-auth-or{text-align:center;color:var(--text-muted);margin:0;font-size:.72rem}.btn-github{color:#fff;background:#24292f;border:1px solid #24292f;justify-content:center;width:100%}.btn-github:hover:not(:disabled){filter:brightness(1.09)}.btn-github:disabled{opacity:.55}.btn-github-mobile{color:#fff;background:#24292f;border-radius:8px;font-weight:500}.btn-github-mobile:hover:not(:disabled){filter:brightness(1.09)}.app-desktop .app-header{flex-shrink:0;padding:12px 24px}.app-desktop .legend{flex-shrink:0}.app-desktop .main-layout{flex:1;min-height:0}.app-desktop .gantt-zoom-hint{display:inline}.app-header{border-bottom:1px solid var(--border);background:var(--surface);flex-wrap:wrap;align-items:center;gap:12px 16px;padding:16px 20px;display:flex}.brand{align-items:center;gap:10px;display:flex}.brand h1{color:var(--text-h);margin:0;font-size:1.25rem;font-weight:600}.badge{background:var(--accent-bg);color:var(--accent);border:1px solid var(--accent-border);border-radius:999px;padding:2px 8px;font-size:.75rem}.view-switcher,.filter-row,.save-status{color:var(--text-muted);white-space:nowrap;text-overflow:ellipsis;max-width:220px;padding:0 4px;font-size:.75rem;overflow:hidden}.nav-row{color:var(--text-muted);padding:0 4px;font-size:.75rem}.header-actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.nav-row-center{margin-left:auto;margin-right:auto}.range-label{text-align:center;min-width:160px;max-width:min(420px,42vw);color:var(--text-h);white-space:nowrap;text-overflow:ellipsis;font-size:.9rem;overflow:hidden}.nav-row-center .btn{flex-shrink:0}.legend{border-bottom:1px solid var(--border);gap:16px;padding:8px 20px;font-size:.85rem;display:flex}.legend-item{align-items:center;gap:6px;display:inline-flex}.legend-item i{border-radius:50%;width:10px;height:10px;display:inline-block}.main-layout{grid-template-columns:var(--sidebar-width) 1fr;flex:1;min-height:0;display:grid;overflow:hidden}.app-sidebar{border-right:1px solid var(--border);background:linear-gradient(180deg, #f5f3ff 0%, #f8fafc 40%, var(--surface) 100%);flex-direction:column;gap:8px;padding:12px 10px;display:flex;overflow-y:auto}.sidebar-create{margin-bottom:4px}.sidebar-section{border-radius:10px;overflow:hidden}.sidebar-section-head{cursor:pointer;width:100%;color:var(--text-h);text-align:left;background:#ffffffa6;border:none;align-items:center;gap:8px;padding:10px;font-size:.92rem;font-weight:600;display:flex}.sidebar-section-head:hover{background:#fffffff2}.sidebar-chevron{color:var(--text-muted);width:12px;font-size:.65rem}.sidebar-section-icon{background:var(--surface);border:1px solid var(--border);width:26px;height:26px;color:var(--accent);border-radius:7px;justify-content:center;align-items:center;font-size:.72rem;font-weight:700;display:inline-flex}.sidebar-section-title{flex:1}.sidebar-items{margin:0;padding:4px 0 8px 8px;list-style:none}.sidebar-item{cursor:pointer;width:100%;color:var(--text-h);text-align:left;background:0 0;border:none;border-radius:8px;align-items:center;gap:10px;padding:9px 10px 9px 28px;font-size:.88rem;display:flex}.sidebar-item:hover{background:#ffffffd9}.sidebar-item.active{background:var(--accent-bg);color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent-border);font-weight:600}.sidebar-item-badge{border:1px solid var(--border);background:var(--surface);border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;width:24px;height:24px;font-size:.72rem;font-weight:700;display:inline-flex}.sidebar-item.active .sidebar-item-badge{border-color:var(--accent-border);color:var(--accent)}.sidebar-item-hint{color:var(--text-muted);margin-left:auto;font-size:.7rem}.status-board{flex-direction:column;flex:1;min-height:0;padding:16px 20px;display:flex;overflow:hidden}.status-board-header h2{color:var(--text-h);margin:0 0 4px;font-size:1.1rem}.status-board-columns{flex:1;grid-template-columns:repeat(3,1fr);gap:14px;min-height:0;margin-top:12px;display:grid}.status-board-column{background:var(--surface);border:1px solid var(--border);border-radius:12px;flex-direction:column;min-height:0;transition:box-shadow .15s;display:flex;overflow:hidden}.status-board-column.highlight{box-shadow:0 0 0 2px var(--accent-border)}.status-board-column-head{background:var(--surface-2);border-top:3px solid;align-items:center;gap:8px;padding:12px 14px;font-size:.92rem;display:flex}.status-board-count{color:var(--text-muted);background:var(--surface);border:1px solid var(--border);border-radius:999px;margin-left:auto;padding:2px 8px;font-size:.78rem}.status-board-column-body{flex-direction:column;flex:1;gap:8px;padding:10px;display:flex;overflow-y:auto}.status-board-card{border:1px solid var(--border);cursor:pointer;background:var(--bg);border-left-width:3px;border-radius:10px;padding:10px 12px;transition:box-shadow .15s}.status-board-card:hover{box-shadow:var(--shadow-sm)}.status-board-card.selected{box-shadow:0 0 0 2px var(--accent-border)}.status-board-card h4{color:var(--text-h);margin:0 0 4px;font-size:.9rem}.status-board-card p{margin:0 0 6px;font-size:.78rem;line-height:1.4}.status-board-meta,.status-board-time{color:var(--text-muted);gap:10px;font-size:.72rem;display:flex}.status-board-time{margin-top:4px}.class-board{flex-direction:column;flex:1;min-height:0;padding:16px 20px;display:flex;overflow:hidden}.class-board-header h2{color:var(--text-h);margin:0 0 4px;font-size:1.1rem}.class-board-tabs{gap:8px;margin-top:12px;display:flex}.class-board-tree{flex:1;margin-top:14px;padding-right:4px;overflow-y:auto}.class-group{margin-bottom:4px}.class-group-head{border:1px solid var(--border);background:var(--surface);cursor:pointer;text-align:left;width:100%;color:var(--text-h);border-radius:10px;align-items:center;gap:8px;padding:10px 12px;font-size:.9rem;transition:background .15s,box-shadow .15s;display:flex}.class-group-head:hover:not(:disabled){background:var(--surface-2)}.class-group-head.open{border-color:var(--accent-border);background:var(--accent-bg)}.class-group-head:disabled{cursor:default;opacity:.65}.class-group-chevron{width:14px;color:var(--text-muted);font-size:.72rem}.class-group-icon{font-size:1rem;line-height:1}.class-group-count{color:var(--text-muted);background:var(--bg);border:1px solid var(--border);border-radius:999px;margin-left:auto;padding:2px 8px;font-size:.78rem}.class-group-body{flex-direction:column;gap:8px;padding:8px 0 8px 12px;display:flex}.class-board-card{border:1px solid var(--border);cursor:pointer;background:var(--bg);border-left-width:3px;border-radius:10px;padding:10px 12px;transition:box-shadow .15s}.class-board-card:hover{box-shadow:var(--shadow-sm)}.class-board-card.selected{box-shadow:0 0 0 2px var(--accent-border)}.class-board-card h4{color:var(--text-h);margin:0 0 4px;font-size:.9rem}.class-board-card p{margin:0 0 6px;font-size:.78rem;line-height:1.4}.class-board-meta,.class-board-time{color:var(--text-muted);gap:10px;font-size:.72rem;display:flex}.class-board-time{margin-top:4px}.panel-header h2{color:var(--text-h);margin:0 0 4px;font-size:1rem}.muted{color:var(--text-muted);margin:0;font-size:.85rem}.views-panel{flex-direction:column;min-height:0;display:flex;position:relative;overflow:hidden}.desktop-floating-layer{z-index:30;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);pointer-events:auto;background:#0f172a2e;justify-content:center;align-items:center;padding:24px;display:flex;position:absolute;inset:0}.desktop-floating-layer--peek{z-index:80}.desktop-floating-layer--pinned{z-index:90}.desktop-floating-layer--create{z-index:100;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0f172a47}.desktop-floating-card{background:var(--surface);border:1px solid var(--border);border-radius:14px;width:min(520px,92%);max-height:min(86vh,720px);padding:4px 4px 12px;animation:.18s ease-out float-in;overflow:auto;box-shadow:0 20px 50px #0f172a2e}.desktop-floating-layer--peek{-webkit-backdrop-filter:none;backdrop-filter:none;pointer-events:none;background:0 0}.desktop-floating-layer--peek .desktop-floating-card--panel{pointer-events:auto}.desktop-floating-card--panel{border:1px solid #94a3b859;border-radius:18px;width:min(960px,50vw);height:min(720px,63vh);max-height:63vh;padding:0;overflow:hidden;box-shadow:0 28px 72px #0f172a38,inset 0 0 0 1px #fff9}@keyframes float-in{0%{opacity:0;transform:translateY(8px)scale(.98)}to{opacity:1;transform:translateY(0)scale(1)}}.task-form-modal{background:0 0;border:none;height:100%;margin:0;padding:0}.task-panel{background:linear-gradient(180deg, #f8fafc 0%, var(--surface) 28%);flex-direction:column;gap:0;height:100%;padding:0;display:flex}.task-panel-header{background:linear-gradient(135deg,#2563eb14,#0ea5e90d);border-bottom:1px solid #94a3b840;flex-shrink:0;justify-content:space-between;align-items:flex-start;gap:16px;padding:18px 22px 14px;display:flex}.task-panel-heading{align-items:flex-start;gap:12px;display:flex}.task-panel-icon{color:#fff;background:linear-gradient(135deg,#2563eb,#0ea5e9);border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:.95rem;display:inline-flex;box-shadow:0 8px 18px #2563eb47}.task-panel-header h3{color:var(--text-h);margin:0 0 4px;font-size:1.05rem}.task-panel-header p{color:var(--text-muted);margin:0;font-size:.82rem;line-height:1.45}.task-panel-close{width:32px;height:32px;color:var(--text-muted);cursor:pointer;background:#ffffffbf;border:none;border-radius:8px;font-size:1.25rem;line-height:1;transition:background .15s,color .15s}.task-panel-close:hover{color:var(--text-h);background:#fff}.task-panel-body{flex:1;grid-template-columns:1fr 1fr;gap:0;min-height:0;display:grid;overflow:hidden}.task-panel-col{min-height:0;padding:14px 18px;overflow-y:auto}.task-panel-col+.task-panel-col{background:#f8fafc8c;border-left:1px solid #94a3b833}.task-panel-section{flex-direction:column;gap:10px;margin-bottom:14px;display:flex}.task-panel-section:last-child{margin-bottom:0}.task-panel-section-title{letter-spacing:.04em;text-transform:uppercase;color:#64748b;margin:0 0 2px;font-size:.78rem;font-weight:600}.task-panel-inline-grid,.task-panel-score-grid{grid-template-columns:1fr 1fr;gap:10px;display:grid}.task-panel label{color:var(--text-muted);flex-direction:column;gap:4px;font-size:.78rem;display:flex}.task-panel input,.task-panel select,.task-panel textarea{font:inherit;color:var(--text-h);background:#fff;border:1px solid #94a3b873;border-radius:8px;padding:8px 10px;transition:border-color .15s,box-shadow .15s}.task-panel input:focus,.task-panel select:focus,.task-panel textarea:focus{border-color:#2563eb8c;outline:none;box-shadow:0 0 0 3px #2563eb1f}.task-panel-readonly{color:var(--text-h);background:#ffffffd9;border:1px solid #94a3b847;border-radius:8px;min-height:36px;padding:8px 10px;font-size:.85rem;line-height:1.45}.task-panel-subtask-list,.task-panel-log-list{margin:0;padding:0;font-size:.82rem;list-style:none}.task-panel-subtask-list li,.task-panel-log-list li{border-bottom:1px dashed #94a3b859;align-items:center;gap:6px;padding:6px 0;display:flex}.task-panel-log-list li{flex-direction:column;align-items:flex-start;gap:2px}.task-panel-log-list time{color:var(--text-muted);font-size:.72rem}.task-panel-empty{margin:0;font-size:.82rem}.task-panel-footer{background:#f8fafce6;border-top:1px solid #94a3b840;flex-shrink:0;justify-content:flex-end;gap:10px;padding:12px 18px 16px;display:flex}.task-panel-footer .btn-primary{min-width:108px;box-shadow:0 8px 18px #2563eb38}.task-preview-body{flex-direction:column;gap:10px;display:flex}.preview-row{grid-template-columns:108px 1fr;align-items:start;gap:8px;font-size:.85rem;display:grid}.preview-label{color:var(--text-muted)}.preview-value{color:var(--text-h);word-break:break-word}.calendar-section{background:linear-gradient(180deg, #eef2ff 0%, #f8fafc 28%, var(--bg) 100%);flex:1;min-height:0;padding:0;overflow:hidden}.planner-view{height:100%;padding:20px 24px 28px;overflow:auto}.planner-task{text-align:left;box-sizing:border-box;background:0 0;border:none;border-radius:8px;align-items:flex-start;gap:10px;width:100%;padding:10px 4px;display:flex}.planner-task:hover{background:#2563eb0a}.planner-task.selected{background:var(--accent-bg)}.planner-task-check{border:1.5px solid var(--border);width:18px;height:18px;color:var(--text-muted);background:var(--surface);cursor:pointer;font-size:.65rem;font:inherit;box-sizing:border-box;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;margin-top:2px;padding:0;display:inline-flex}.planner-task-check:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.planner-task-open{cursor:pointer;text-align:left;min-width:0;font:inherit;color:inherit;background:0 0;border:none;flex-direction:column;flex:1;align-items:stretch;gap:2px;margin:0;padding:0;display:flex}.planner-task-open:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}.planner-task-check.checked{background:var(--surface-2);color:var(--text-muted)}.planner-task-body{flex-direction:column;gap:2px;min-width:0;display:flex}.planner-task-title{color:#1e293b;letter-spacing:.01em;font-size:.92rem;font-weight:500}.planner-task-parent{color:#94a3b8;letter-spacing:.02em;font-size:.72rem}.planner-task.done .planner-task-title{color:var(--text-muted);text-decoration:line-through}.planner-task-meta{color:#94a3b8;letter-spacing:.02em;font-size:.76rem}.day-card-view{--day-card-w:600px;--day-peek-half:calc(var(--day-card-w) / 2);--day-peek-quarter:calc(var(--day-card-w) / 4);touch-action:pan-y;justify-content:center;align-items:center;min-height:100%;display:flex;overflow-x:auto}.day-card-stack{width:calc(var(--day-card-w) * 2);cursor:grab;-webkit-user-select:none;user-select:none;flex-shrink:0;max-width:98vw;height:min(840px,85vh);position:relative}.day-card-stack:active{cursor:grabbing}.day-card{width:var(--day-card-w);height:100%;margin-left:calc(var(--day-card-w) / -2);background:var(--surface);pointer-events:none;border:1px solid #94a3b859;border-radius:18px;flex-direction:column;transition:transform .3s,opacity .3s,box-shadow .3s;display:flex;position:absolute;top:0;left:50%;overflow:hidden;box-shadow:0 12px 40px #0f172a14}.day-card.offset-1{transform:translateX(calc(var(--day-peek-half) * -1));z-index:20;opacity:.82}.day-card.offset-2{transform:translateX(calc(var(--day-peek-half) * -1 - var(--day-peek-quarter)));z-index:10;opacity:.48}.day-card.offset-0{z-index:40;opacity:1;pointer-events:auto;transform:translate(0)}.day-card.offset-1-right{transform:translateX(var(--day-peek-half));z-index:20;opacity:.82}.day-card.offset-2-right{transform:translateX(calc(var(--day-peek-half) + var(--day-peek-quarter)));z-index:10;opacity:.48}.day-card.front{border-color:#2563eb38;box-shadow:0 24px 56px #2563eb24}.day-card.side{pointer-events:auto;cursor:pointer}.day-card.side:hover{opacity:.92}.day-card.offset-1 .day-card-body,.day-card.offset-2 .day-card-body{-webkit-mask-image:linear-gradient(90deg,#000 85%,#0000 100%);mask-image:linear-gradient(90deg,#000 85%,#0000 100%)}.day-card.offset-1-right .day-card-body,.day-card.offset-2-right .day-card-body{-webkit-mask-image:linear-gradient(270deg,#000 85%,#0000 100%);mask-image:linear-gradient(270deg,#000 85%,#0000 100%)}.day-card.offset-2 .day-card-head,.day-card.offset-2-right .day-card-head{opacity:.75}.day-card-head{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:18px 20px 12px;display:flex}.day-card-date{color:#334155;letter-spacing:.02em;align-items:center;gap:8px;font-size:1.05rem;font-weight:600;display:flex}.day-today-badge{background:var(--accent);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:22px;height:22px;font-size:.72rem;font-weight:700;display:inline-flex}.day-card-add,.week-col-add,.month-cell-add{color:#94a3b8;cursor:pointer;background:0 0;border:none;border-radius:8px;width:28px;height:28px;font-size:1.25rem}.day-card-add:hover,.week-col-add:hover,.month-cell-add:hover{background:var(--surface-2);color:var(--accent)}.day-card-body{flex:1;padding:8px 12px 20px;overflow-y:auto}.day-timeline-shell{gap:10px;min-height:100%;display:flex}.day-timeline-axis{flex-shrink:0;width:52px;position:relative}.day-timeline-rail{background:linear-gradient(#cbd5e1 0%,#94a3b8 100%);border-radius:999px;width:2px;position:absolute;top:0;right:6px}.day-timeline-hour{box-sizing:border-box;justify-content:flex-end;align-items:flex-start;padding-right:14px;display:flex;position:relative}.day-timeline-hour span{color:#94a3b8;font-variant-numeric:tabular-nums;font-size:.68rem;transform:translateY(-6px)}.day-timeline-axis-now{z-index:2;pointer-events:none;justify-content:flex-end;padding-right:2px;display:flex;position:absolute;left:0;right:0;transform:translateY(-50%)}.day-timeline-axis-now span{color:#ef4444;background:var(--surface);font-variant-numeric:tabular-nums;padding:0 2px;font-size:.65rem;font-weight:700}.day-timeline-content{flex-direction:column;flex:1;gap:4px;min-width:0;display:flex}.day-timeline-task-group{flex-direction:column;gap:6px;display:flex}.day-timeline-row{grid-template-columns:44px minmax(0,1fr);align-items:start;gap:8px;display:grid}.day-timeline-task-time{color:#64748b;font-variant-numeric:tabular-nums;text-align:right;padding-top:10px;font-size:.72rem;font-weight:600}.day-now-split{align-items:center;gap:8px;margin:8px 0 10px;padding:6px 0;display:flex;position:relative}.day-now-split:after{content:"";background:linear-gradient(90deg,#ef4444 0%,#ef444426 100%);border-radius:999px;flex:1;height:2px}.day-now-split-dot{background:#ef4444;border-radius:50%;flex-shrink:0;width:8px;height:8px;box-shadow:0 0 0 3px #ef444433}.day-now-split-label{color:#ef4444;white-space:nowrap;font-variant-numeric:tabular-nums;font-size:.72rem;font-weight:700}.day-timeline-row .planner-task{min-width:0}.day-card-empty{text-align:center;color:var(--text-muted);padding:48px 16px;font-size:.9rem}.week-column-view{padding-top:12px}.week-grid{border:1px solid var(--border);background:var(--surface);border-radius:14px;grid-template-columns:repeat(7,1fr);gap:0;min-height:calc(100% - 12px);display:grid;overflow:hidden;box-shadow:0 8px 30px #0f172a0d}.week-col{border-right:1px solid var(--border);flex-direction:column;min-height:420px;display:flex}.week-col:last-child{border-right:none}.week-col.today{background:linear-gradient(#2563eb0f 0%,#0000 100%)}.week-col-head{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:14px 12px 10px;display:flex}.week-col-date{flex-direction:column;gap:2px;display:flex}.week-day-num{color:#334155;font-size:1.15rem;font-weight:700;line-height:1.1}.week-col.today .week-day-num{color:var(--accent)}.week-day-name{color:#94a3b8;letter-spacing:.04em;font-size:.78rem}.week-col.today .week-day-name{color:var(--accent);font-weight:600}.week-col-body{flex:1;padding:6px 8px 12px;overflow-y:auto}.week-col-empty{text-align:center;color:#cbd5e1;padding:16px 0;font-size:.85rem}.month-grid-view{flex-direction:column;gap:0;display:flex}.month-weekday-row{grid-template-columns:repeat(7,1fr);gap:8px;padding:0 4px 10px;display:grid}.month-weekday-cell{text-align:center;color:#94a3b8;letter-spacing:.08em;font-size:.82rem;font-weight:600}.month-grid{flex:1;grid-template-columns:repeat(7,1fr);gap:8px;display:grid}.month-cell{background:var(--surface);border:1px solid var(--border);border-radius:12px;flex-direction:column;min-height:108px;padding:8px;display:flex;box-shadow:0 2px 8px #0f172a08}.month-cell.blank{visibility:hidden;box-shadow:none;border:none}.month-cell.today{border-color:var(--accent-border);box-shadow:0 0 0 2px var(--accent-bg)}.month-cell.focused:not(.today){background:#2563eb0a;border-color:#2563eb73;box-shadow:0 0 0 2px #2563eb1f}.month-cell.focused.today{box-shadow:0 0 0 2px #2563eb47}.month-cell-head{justify-content:space-between;align-items:center;margin-bottom:6px;display:flex}.month-cell-date{color:#475569;font-size:.88rem;font-weight:700}.month-cell.today .month-cell-date{color:var(--accent)}.month-cell-tasks{flex-direction:column;gap:4px;display:flex;overflow:hidden}.month-task-pill{background:var(--surface-2);color:#334155;text-align:left;cursor:pointer;white-space:nowrap;text-overflow:ellipsis;border:none;border-left:3px solid;border-radius:6px;padding:4px 6px;font-size:.72rem;overflow:hidden}.month-task-pill.selected{background:var(--accent-bg)}.month-more{color:var(--text-muted);padding-left:4px;font-size:.7rem}.gantt-workspace{background:var(--bg);--gantt-time-col-width:56px;flex-direction:column;flex:1;min-height:0;display:flex;overflow:hidden}.gantt-top-row,.gantt-header-row{border-bottom:1px solid var(--border);flex-shrink:0;display:flex}.gantt-tree-title{width:var(--tree-width);border-right:1px solid var(--border);background:var(--surface);flex-shrink:0;padding:8px 12px}.gantt-tree-title h2{color:var(--text-h);margin:0 0 2px;font-size:1rem}.gantt-tree-filters{flex-wrap:wrap;gap:8px;margin-top:8px;display:flex}.gantt-filter{flex-direction:column;flex:1;gap:3px;min-width:108px;display:flex}.gantt-filter-label{color:var(--text-muted);letter-spacing:.02em;font-size:.68rem}.gantt-filter select{font:inherit;border:1px solid var(--border);background:var(--bg);color:var(--text-h);cursor:pointer;border-radius:8px;padding:5px 8px;font-size:.78rem}.gantt-filter select:focus{border-color:#2563eb73;outline:none;box-shadow:0 0 0 2px #2563eb1a}.gantt-tree-corner{width:var(--tree-width);color:var(--text-muted);border-right:1px solid var(--border);background:var(--surface);box-sizing:border-box;flex-shrink:0;align-items:center;height:52px;padding:0 12px;font-size:.78rem;display:flex}.gantt-time-corner{width:var(--gantt-time-col-width);color:var(--text-muted);border-right:1px solid var(--border);background:var(--surface);box-sizing:border-box;flex-shrink:0;justify-content:center;align-items:center;height:52px;font-size:.72rem;display:flex}.gantt-time-corner--banded{align-self:stretch;height:auto;min-height:52px}.gantt-time-scroll{width:var(--gantt-time-col-width);border-right:1px solid var(--border);background:var(--surface);-webkit-overflow-scrolling:touch;flex-shrink:0;overflow:auto}.gantt-time-row{border-bottom:1px solid var(--border);box-sizing:border-box;flex-shrink:0;justify-content:center;align-items:center;display:flex}.gantt-time-row time{color:#64748b;font-variant-numeric:tabular-nums;font-size:.68rem;font-weight:600}.gantt-time-empty{text-align:center;color:var(--text-muted);padding:12px 4px;font-size:.75rem}.gantt-hscroll-footer-spacer--time{width:var(--gantt-time-col-width);border-right:1px solid var(--border);flex-shrink:0}.gantt-now-layer{position:relative}.gantt-now-line{pointer-events:none;z-index:4;background:#ef4444;width:2px;position:absolute;top:0;bottom:0;transform:translate(-1px);box-shadow:0 0 0 1px #ef444440}.gantt-now-line--header{height:100%;bottom:auto}.gantt-now-line-label{color:#fff;white-space:nowrap;font-variant-numeric:tabular-nums;background:#ef4444;border-radius:4px;padding:1px 5px;font-size:.62rem;font-weight:700;position:absolute;top:2px;left:50%;transform:translate(-50%)}.gantt-rows-split{flex:1;min-height:0;display:flex;overflow:hidden}.tree-scroll{width:var(--tree-width);border-right:1px solid var(--border);background:var(--surface);-webkit-overflow-scrolling:touch;flex-shrink:0;overflow:auto}.gantt-chart-scroll{flex:1;min-width:0;overflow:hidden auto}.gantt-hscroll-header-inner,.gantt-chart-inner{will-change:transform}.gantt-chart-inner.gantt-now-layer,.gantt-hscroll-header-inner.gantt-now-layer{position:relative}.gantt-hscroll-footer{border-top:1px solid var(--border);background:var(--surface);flex-shrink:0;display:flex}.gantt-hscroll-footer-spacer{width:var(--tree-width);border-right:1px solid var(--border);flex-shrink:0}.gantt-hscroll-track{scrollbar-width:thin;scrollbar-color:#64748b80 transparent;flex:1;min-width:0;height:14px;overflow:auto hidden}.gantt-hscroll-track::-webkit-scrollbar{height:10px}.gantt-hscroll-track::-webkit-scrollbar-thumb{background:#64748b73;border-radius:999px}.gantt-hscroll-track::-webkit-scrollbar-thumb:hover{background:#47556999}.gantt-hscroll-track-inner{height:1px}.tree-row{border-bottom:1px solid var(--border);cursor:pointer;box-sizing:border-box;flex-shrink:0;align-items:center;display:flex}.tree-row.dragging{opacity:.45;pointer-events:none}body.tree-dragging{cursor:grabbing;-webkit-user-select:none;user-select:none}body.tree-dragging .tree-drag-handle{cursor:grabbing}.tree-row.drop-target,.gantt-row.drop-target{background:#2563eb1f;box-shadow:inset 0 0 0 2px #2563eb59}.tree-sibling-index{min-width:1.4em;color:var(--text-muted);text-align:right;flex-shrink:0;font-size:.72rem;font-weight:600}.gantt-tree-corner.drop-target{color:var(--accent);background:#2563eb14}.tree-row:hover{background:var(--surface-2)}.tree-row.selected{background:var(--accent-bg)}.tree-context-menu{z-index:200;background:var(--surface);border:1px solid var(--border);border-radius:10px;min-width:140px;padding:6px;position:fixed;box-shadow:0 12px 32px #0f172a24}.tree-context-menu button{width:100%;color:var(--text-h);text-align:left;cursor:pointer;background:0 0;border:none;border-radius:6px;padding:8px 12px;font-size:.875rem;display:block}.tree-context-menu button:hover{background:var(--surface-2)}.tree-drag-handle{color:var(--text-muted);cursor:grab;-webkit-user-select:none;user-select:none;touch-action:none;flex-shrink:0;font-size:.75rem}.tree-drag-handle:active{cursor:grabbing}.tree-row-inner{align-items:center;gap:8px;width:100%;min-width:0;display:flex;position:relative}.tree-guide{background:var(--border);width:8px;height:1px;position:absolute;top:50%;left:8px}.tree-title{color:var(--text-h);white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:.85rem;overflow:hidden}.tree-badge{background:var(--surface-2);color:var(--text-muted);border-radius:999px;flex-shrink:0;padding:1px 6px;font-size:.7rem}.gantt-toolbar{background:var(--surface);flex-wrap:wrap;flex:1;align-items:center;gap:8px;min-width:0;padding:8px 12px;display:flex}.gantt-toolbar-label{color:var(--text-muted);font-size:.82rem}.gantt-zoom-hint{margin-left:auto;font-size:.75rem}.chip-sm{padding:4px 10px;font-size:.78rem}.gantt-hscroll-header{background:var(--surface);flex:1;min-width:0;position:relative;overflow:hidden}.gantt-header-row--banded .gantt-tree-corner,.gantt-tree-corner--banded{height:72px}.gantt-week-band-row{border-bottom:1px solid var(--border);display:flex}.gantt-week-band{box-sizing:border-box;color:var(--text-muted);text-align:center;border-right:1px solid var(--border);background:var(--surface-2);white-space:nowrap;text-overflow:ellipsis;padding:4px 6px;font-size:.68rem;font-weight:600;overflow:hidden}.gantt-day-band{color:var(--text-h);padding:6px 8px;font-size:.78rem;font-weight:700}.gantt-day-band.is-today-band{background:var(--accent-bg);color:var(--accent);box-shadow:inset 0 -2px 0 var(--accent)}.gantt-workspace--day .gantt-day-col .gantt-day-name{color:var(--text-h);font-size:.72rem;font-weight:600}.gantt-workspace--day .gantt-day-col.is-today{background:#2563eb14}.gantt-timeline-header{box-sizing:border-box;flex-shrink:0;padding-right:12px;display:flex}.gantt-day-col{text-align:center;border-right:1px solid var(--border);box-sizing:border-box;white-space:nowrap;flex-direction:column;flex-shrink:0;justify-content:center;align-items:center;height:52px;padding:8px 6px;font-size:.72rem;line-height:1.2;display:flex}.gantt-day-col.is-today{background:var(--accent-bg)}.gantt-day-col.is-weekend{background:#f1f5f9e6}.gantt-day-col.is-week-start{border-left:2px solid #94a3b873}.gantt-workspace--week .gantt-day-name{color:var(--text-h);letter-spacing:.03em;font-size:.88rem;font-weight:700}.gantt-workspace--week .gantt-day-num{color:var(--accent);font-size:1rem;font-weight:700}.gantt-workspace--week .gantt-day-col.is-weekend .gantt-day-name{color:#64748b}.gantt-workspace--week .gantt-day-col.is-plan-week{background:#2563eb0f}.gantt-workspace--week .gantt-day-col.is-plan-week .gantt-day-name{color:var(--accent)}.gantt-day-col.is-day-start{border-left:2px solid #2563eb59}.gantt-workspace--day .gantt-day-col.is-day-start .gantt-day-name{color:var(--accent);font-weight:700}.gantt-day-col.is-plan-month{background:#2563eb0d}.gantt-grid-cell.is-plan-week,.gantt-grid-cell.is-plan-month{background:#2563eb0a}.gantt-grid-cell.is-day-start{border-left:2px solid #2563eb33}.gantt-day-name{color:var(--text-muted);display:block}.gantt-day-num{color:var(--text-h);font-weight:600;display:block}.gantt-grid-cell.is-today{background:#2563eb0d}.gantt-grid-cell.is-weekend{background:#f1f5f9a6}.gantt-grid-cell.is-week-start{border-left:2px solid #94a3b847}.gantt-row{border-bottom:1px solid var(--border);box-sizing:border-box;flex-shrink:0;position:relative}.gantt-row.selected{background:var(--accent-bg)}.gantt-grid{pointer-events:none;display:flex;position:absolute;inset:0}.gantt-grid-cell{border-right:1px solid var(--border);opacity:.35;box-sizing:border-box;flex-shrink:0;height:100%}.gantt-bar{opacity:.92;z-index:1;cursor:default;border-radius:4px;min-width:8px;height:28px;position:absolute;top:50%;transform:translateY(-50%)}.gantt-bar.selected{z-index:2;box-shadow:0 0 0 2px #ffffffd9}.gantt-bar.dragging{opacity:1;z-index:3}.gantt-bar-handle{cursor:ew-resize;z-index:2;width:8px;height:100%;position:absolute;top:0}.gantt-bar-handle-start{border-radius:4px 0 0 4px;left:0}.gantt-bar-handle-end{border-radius:0 4px 4px 0;right:0}.gantt-bar-handle:hover{background:#ffffff59}.gantt-empty{padding:24px}.task-list{flex-direction:column;gap:6px;margin:12px 0;padding:0;list-style:none;display:flex}.compact-list .task-item{padding:8px 10px}.task-item{border:1px solid var(--border);cursor:pointer;border-left-width:3px;border-radius:8px;padding:10px 12px;transition:box-shadow .15s}.task-item:hover{box-shadow:var(--shadow-sm)}.task-item.selected{box-shadow:0 0 0 2px var(--accent-border)}.task-item-head{align-items:center;gap:8px;display:flex}.status-dot{border-radius:50%;flex-shrink:0;width:8px;height:8px}.task-meta{color:var(--text-muted);flex-wrap:wrap;gap:10px;margin-top:4px;font-size:.78rem;display:flex}.empty{text-align:center;color:var(--text-muted);padding:16px 8px;font-size:.9rem}.task-form,.task-detail{border:1px solid var(--border);background:var(--bg);border-radius:8px;flex-direction:column;gap:8px;margin-top:12px;padding:12px;display:flex}.task-form h3,.task-detail h3,.task-detail h4{color:var(--text-h);margin:0;font-size:.95rem}.empty-detail{margin-top:12px}.detail-header{justify-content:space-between;align-items:center;display:flex}.task-form label,.task-detail label{color:var(--text-muted);flex-direction:column;gap:4px;font-size:.8rem;display:flex}.task-form input,.task-form select,.task-form textarea,.task-detail input,.task-detail select,.task-detail textarea{font:inherit;border:1px solid var(--border);background:var(--surface);color:var(--text-h);border-radius:6px;padding:6px 8px}.score-grid{grid-template-columns:1fr 1fr;gap:8px;display:grid}.subtask-block,.log-block{border-top:1px solid var(--border);padding-top:8px}.subtask-list,.log-list{margin:0;padding:0;font-size:.8rem;list-style:none}.subtask-list li,.log-list li{align-items:center;gap:6px;padding:4px 0;display:flex}.log-list li{border-bottom:1px dashed var(--border);flex-direction:column;align-items:flex-start;gap:2px;padding:6px 0}.log-list time{color:var(--text-muted);font-size:.72rem}.form-actions{gap:8px;margin-top:4px;display:flex}.chip{border:1px solid var(--border);background:var(--bg);color:var(--text);cursor:pointer;border-radius:999px;padding:6px 12px;font-size:.85rem}.chip.active{background:var(--accent-bg);border-color:var(--accent-border);color:var(--accent)}.btn{border:1px solid var(--border);background:var(--surface);color:var(--text-h);cursor:pointer;border-radius:6px;padding:6px 12px;font-size:.85rem}.btn:hover{background:var(--surface-2)}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn-primary:hover{filter:brightness(1.05)}.category-page{flex-direction:column;flex:1;min-height:0;padding:16px 20px;display:flex;overflow:hidden}.category-page-header{flex-shrink:0;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:16px;display:flex}.category-page-header h2{color:var(--text-h);margin:0 0 4px;font-size:1.15rem}.category-page-split{flex:1;grid-template-columns:280px 1fr;gap:16px;min-height:0;display:grid}.category-tree-panel,.category-form-panel{background:var(--surface);border:1px solid var(--border);border-radius:14px;flex-direction:column;min-height:0;padding:14px;display:flex;overflow:hidden}.category-tree-panel h3,.category-form-panel h3{color:var(--text-h);margin:0 0 10px;font-size:.92rem}.category-tree-list{margin:0;padding:0;list-style:none;overflow-y:auto}.category-tree-item{cursor:pointer;text-align:left;width:100%;color:var(--text-h);background:0 0;border:none;border-radius:8px;align-items:center;gap:8px;padding:8px 10px;font-size:.85rem;display:flex}.category-tree-item:hover{background:var(--surface-2)}.category-tree-item.active{background:var(--accent-bg);color:var(--accent)}.category-tree-icon{flex-shrink:0;font-size:1rem}.category-tree-name{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.category-tree-badge{color:var(--text-muted);background:var(--bg);border-radius:999px;padding:2px 6px;font-size:.72rem}.category-form-panel{overflow-y:auto}.category-form-panel label{color:var(--text-muted);flex-direction:column;gap:6px;margin-bottom:12px;font-size:.82rem;display:flex}.category-form-panel input,.category-form-panel select{font:inherit;border:1px solid var(--border);background:var(--bg);color:var(--text-h);border-radius:8px;padding:8px 10px}.category-form-empty{color:var(--text-muted);flex:1;justify-content:center;align-items:center;font-size:.9rem;display:flex}.category-icon-block-label{color:var(--text-muted);margin-bottom:8px;font-size:.82rem;display:block}.category-form-actions{flex-wrap:wrap;gap:8px;margin-top:8px;display:flex}.icon-picker-toolbar{gap:8px;margin-bottom:10px;display:flex}.icon-picker-toolbar select,.icon-picker-toolbar input{font:inherit;border:1px solid var(--border);background:var(--bg);color:var(--text-h);border-radius:8px;padding:6px 8px}.icon-picker-toolbar input{flex:1}.icon-picker-grid{border:1px solid var(--border);background:var(--bg);border-radius:10px;grid-template-columns:repeat(auto-fill,minmax(72px,1fr));gap:8px;max-height:240px;padding:4px;display:grid;overflow-y:auto}.icon-picker-item{background:var(--surface);cursor:pointer;border:1px solid #0000;border-radius:8px;flex-direction:column;align-items:center;gap:4px;padding:8px 4px;transition:border-color .15s,box-shadow .15s;display:flex}.icon-picker-item:hover{border-color:var(--border)}.icon-picker-item.selected{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-bg);background:var(--accent-bg)}.icon-picker-emoji{font-size:1.35rem;line-height:1}.icon-picker-label{color:var(--text-muted);text-align:center;font-size:.65rem;line-height:1.2}.btn-block{width:100%}.btn-danger{color:#fff;background:#ef4444;border-color:#ef4444}.btn-sm{padding:4px 8px;font-size:.78rem}.btn-muted{color:var(--text-muted)}.app-mobile{--tree-width:132px;--sidebar-width:100%}.app-mobile .mobile-main{flex-direction:column;flex:1;min-height:0;display:flex;overflow:hidden}.app-mobile .status-board,.app-mobile .class-board{-webkit-overflow-scrolling:touch;padding:10px 12px;overflow:auto}.app-mobile .status-board-columns{grid-template-columns:1fr;overflow:visible}.app-mobile .status-board-column{min-height:200px}.app-mobile .day-card-view{--day-card-w:min(480px, 92vw)}.app-mobile .day-card-stack{width:calc(var(--day-card-w) * 2);height:min(780px,78vh)}.app-mobile .week-grid{box-shadow:none;background:0 0;border:none;grid-template-columns:1fr;gap:10px}.app-mobile .week-col{border:1px solid var(--border);border-right:1px solid var(--border);border-radius:12px;min-height:160px}.app-mobile .month-grid{grid-template-columns:repeat(2,1fr)}.app-mobile .mobile-calendar{flex:1;min-height:0;padding:8px}.app-mobile .gantt-workspace{flex:1;min-height:0}.app-mobile .gantt-zoom-hint{display:none}.app-mobile .gantt-toolbar{gap:6px;padding:6px 8px}.app-mobile .gantt-tree-title h2{font-size:.85rem}.app-mobile .gantt-tree-title p{display:none}.app-mobile .mobile-gantt-hint{background:var(--accent-bg);color:var(--accent);text-align:center;border:1px solid #2563eb33;border-radius:6px;flex-shrink:0;margin:0 8px 4px;padding:4px 10px;font-size:12px;line-height:1.3}.app-mobile.mobile-gantt .gantt-workspace{--tree-width:86px}.app-mobile.mobile-gantt .gantt-tree-filters{gap:4px}.app-mobile.mobile-gantt .gantt-tree-filters>*{min-width:64px;font-size:.7rem}.app-mobile.mobile-gantt .gantt-tree-title h2{font-size:.78rem}.app-mobile .gantt-chart-touch-pan{touch-action:pan-y}.app-mobile .gantt-hscroll-track{height:28px}.app-mobile .gantt-hscroll-track::-webkit-scrollbar{height:22px}.app-mobile .gantt-bar-handle{width:22px}.app-mobile .tree-drag-handle{justify-content:center;align-items:center;min-width:36px;min-height:36px;margin:-6px 2px -6px -6px;font-size:.9rem;display:inline-flex}.app-mobile .week-column-view,.app-mobile .month-grid-view,.app-mobile .day-card-view{touch-action:pan-y}.app-mobile .week-column-view,.app-mobile .month-grid-view{cursor:grab}.app-mobile .tree-context-menu{border-radius:12px;min-width:168px;box-shadow:0 12px 32px #0f172a2e}.app-mobile .tree-context-menu button{min-height:44px;font-size:.95rem}.mobile-header{background:var(--surface);border-bottom:1px solid var(--border);padding-top:var(--safe-top);z-index:20;flex-shrink:0;position:relative}.mobile-header-top{padding:8px 12px 6px}.mobile-brand{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.mobile-brand h1{color:var(--text-h);margin:0;font-size:1.1rem;font-weight:600}.mobile-menu-btn{background:var(--surface-2);cursor:pointer;width:40px;height:40px;color:var(--text-h);border:none;border-radius:10px;font-size:1.2rem}.mobile-date-nav{align-items:center;gap:8px;display:flex}.mobile-date-label{background:var(--surface-2);color:var(--text-h);text-align:center;cursor:pointer;border:none;border-radius:10px;flex:1;min-height:44px;padding:10px 12px;font-size:.85rem}.btn-icon{border:1px solid var(--border);background:var(--surface);cursor:pointer;width:44px;height:44px;color:var(--text-h);border-radius:10px;flex-shrink:0;font-size:1.25rem}.mobile-segment{background:var(--surface-2);border-radius:10px;gap:4px;margin:0 12px 8px;padding:3px;display:flex}.mobile-segment-item{cursor:pointer;color:var(--text-muted);background:0 0;border:none;border-radius:8px;flex:1;min-height:40px;padding:8px;font-size:.9rem}.mobile-segment-item.active{background:var(--surface);color:var(--accent);box-shadow:var(--shadow-sm);font-weight:600}.mobile-swipe-hint{color:var(--text-muted);text-align:center;margin:0;padding:0 12px 6px;font-size:.72rem}.mobile-menu{background:var(--surface);border:1px solid var(--border);z-index:30;border-radius:12px;min-width:160px;position:absolute;top:calc(100% - 4px);right:12px;overflow:hidden;box-shadow:0 8px 24px #0f172a1f}.mobile-menu-item{text-align:left;width:100%;color:var(--text-h);cursor:pointer;background:0 0;border:none;min-height:48px;padding:14px 16px;font-size:.9rem;display:block}.mobile-menu-item+.mobile-menu-item{border-top:1px solid var(--border)}.mobile-tab-bar{background:var(--surface);border-top:1px solid var(--border);padding-bottom:var(--safe-bottom);z-index:20;flex-shrink:0;display:flex}.mobile-tab{min-height:var(--mobile-tab-h);cursor:pointer;color:var(--text-muted);background:0 0;border:none;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:2px;padding:6px 0;display:flex}.mobile-tab.active{color:var(--accent)}.mobile-tab-icon{font-size:1.1rem;line-height:1}.mobile-tab-label{font-size:.72rem}.mobile-sheet-backdrop{z-index:40;padding-bottom:calc(var(--mobile-tab-h) + var(--safe-bottom));background:#0f172a66;align-items:flex-end;display:flex;position:fixed;inset:0}.mobile-sheet{background:var(--surface);-webkit-overflow-scrolling:touch;border-radius:16px 16px 0 0;width:100%;max-height:75dvh;padding:8px 12px 16px;overflow:auto}.mobile-sheet-handle{background:var(--border);border-radius:999px;width:36px;height:4px;margin:4px auto 8px}.app-mobile .task-item{min-height:56px;padding:12px}.app-mobile .chip,.app-mobile .btn{min-height:40px}.app-mobile .btn-primary{min-height:44px}