:root{--paper: #f6f1e7;--paper-deep: #efe7d6;--ink: #3d352b;--ink-soft: #7a6f5f;--line: rgba(61, 53, 43, .14);--card: #fffdf7;--shadow: 0 2px 10px rgba(61, 53, 43, .14);--shadow-float: 0 8px 24px rgba(61, 53, 43, .22);--accent: #b0653f;--qi: #e7b9a8;--qi-note: #f4cfc1;--qii: #efdc9f;--qii-note: #f7e9b8;--qiii: #a9c8dc;--qiii-note: #c2dcea;--qiv: #b6cfb1;--qiv-note: #cbdfc6;--radius: 12px;--safe-bottom: env(safe-area-inset-bottom, 0px);--font-hand: "LXGW WenKai", "Ma Shan Zheng", "Kaiti SC", "KaiTi", "STKaiti", cursive}html[data-font=sans]{--font-hand: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif}html[data-theme=dark]{--paper: #2b2620;--paper-deep: #221e19;--ink: #efe6d6;--ink-soft: #b3a893;--line: rgba(239, 230, 214, .16);--card: #373129;--shadow: 0 2px 10px rgba(0, 0, 0, .4);--shadow-float: 0 8px 24px rgba(0, 0, 0, .55);--accent: #d98d5f;--qi: #8a5140;--qi-note: #a2644f;--qii: #8a783c;--qii-note: #a28e4c;--qiii: #3f6074;--qiii-note: #4f748c;--qiv: #45603f;--qiv-note: #56744e}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;padding:0;background:var(--paper);color:var(--ink);font-family:var(--font-hand);overscroll-behavior-y:none}#root{min-height:100dvh}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;background-image:radial-gradient(var(--line) 1px,transparent 1px);background-size:22px 22px;pointer-events:none;z-index:0}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}input,textarea{font-family:inherit;color:inherit}.app{position:relative;z-index:1;max-width:640px;margin:0 auto;min-height:100dvh;display:flex;flex-direction:column;padding-bottom:calc(64px + var(--safe-bottom))}.topbar{position:sticky;top:0;z-index:30;background:color-mix(in srgb,var(--paper) 88%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:10px 14px 8px;border-bottom:1px dashed var(--line)}.date-row{display:flex;align-items:center;justify-content:space-between;gap:8px}.date-main{font-size:19px;font-weight:700;display:flex;align-items:baseline;gap:8px}.date-main .rel{font-size:12px;color:#fff;background:var(--accent);padding:2px 8px;border-radius:999px;font-weight:400}.date-nav{display:flex;gap:6px;align-items:center}.icon-btn{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;font-size:17px;background:var(--card);box-shadow:var(--shadow);transition:transform .15s}.icon-btn:active{transform:scale(.92)}.chip{font-size:13px;padding:7px 10px;border-radius:999px;background:var(--card);box-shadow:var(--shadow);color:var(--ink-soft)}.chip.active{color:#fff;background:var(--accent)}.input-bar{display:flex;gap:8px;margin-top:10px}.input-bar input{flex:1;min-width:0;font-size:16px;padding:12px 14px;border-radius:var(--radius);border:1.5px dashed var(--line);background:var(--card);outline:none;box-shadow:var(--shadow)}.input-bar input:focus{border-color:var(--accent)}.input-bar .add-btn{flex-shrink:0;width:48px;border-radius:var(--radius);background:var(--accent);color:#fff;font-size:22px;box-shadow:var(--shadow)}.guide-bar{margin-top:10px;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-soft);background:color-mix(in srgb,var(--qii-note) 45%,transparent);border:1px dashed var(--line);padding:8px 12px;border-radius:10px;width:100%;text-align:left}.guide-bar .go{margin-left:auto;color:var(--accent);font-weight:700;white-space:nowrap}.quadrant-grid{flex:1;display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:12px;align-content:start}.quadrant{min-height:210px;border-radius:14px;padding:10px;border:1.5px dashed transparent;background:color-mix(in srgb,var(--q-color) 22%,transparent);display:flex;flex-direction:column;transition:border-color .15s,background .15s,transform .15s;position:relative}.quadrant.drag-over{border-color:var(--q-color);background:color-mix(in srgb,var(--q-color) 40%,transparent);transform:scale(1.015)}.quadrant[data-q=QI]{--q-color: var(--qi)}.quadrant[data-q=QII]{--q-color: var(--qii)}.quadrant[data-q=QIII]{--q-color: var(--qiii)}.quadrant[data-q=QIV]{--q-color: var(--qiv)}.quadrant-head{display:flex;align-items:center;gap:6px;margin-bottom:8px;font-size:14px;font-weight:700}.quadrant-dot{width:10px;height:10px;border-radius:50%;background:var(--q-color);box-shadow:0 0 0 2px color-mix(in srgb,var(--q-color) 40%,transparent)}.quadrant-count{margin-left:auto;font-size:12px;color:var(--ink-soft);background:color-mix(in srgb,var(--q-color) 30%,transparent);padding:1px 8px;border-radius:999px}.quadrant-empty{flex:1;display:grid;place-items:center;color:var(--ink-soft);font-size:12.5px;text-align:center;padding:10px;opacity:.8;border:1.5px dashed color-mix(in srgb,var(--q-color) 55%,transparent);border-radius:10px;margin-top:2px}.note-list{display:flex;flex-direction:column;gap:8px;flex:1}.note{position:relative;padding:10px 12px 12px;border-radius:6px;background:var(--note-color);color:var(--ink);box-shadow:var(--shadow);font-size:15px;line-height:1.45;cursor:pointer;word-break:break-word;transition:transform .12s,box-shadow .12s,opacity .3s;overflow:hidden}.note:active{transform:scale(.97)}.note.done{opacity:.62}.note .time-badge{display:inline-block;font-size:11px;color:var(--ink-soft);background:#ffffff8c;border-radius:4px;padding:1px 6px;margin-right:6px}.note .note-tag{position:absolute;top:4px;right:6px;font-size:11px;opacity:.55;pointer-events:none}.strike{position:absolute;left:4%;right:4%;top:0;bottom:0;width:92%;height:100%;pointer-events:none}.strike path{stroke:currentColor;stroke-width:2.4;fill:none;stroke-linecap:round;stroke-dasharray:1;stroke-dashoffset:1;animation:strike-draw .55s ease forwards}@keyframes strike-draw{to{stroke-dashoffset:0}}.action-mask{position:fixed;top:0;right:0;bottom:0;left:0;z-index:55}.note-actions{position:absolute;z-index:60;display:flex;gap:4px;background:var(--card);border-radius:10px;padding:5px;box-shadow:var(--shadow-float);border:1px solid var(--line)}.note-actions button{display:flex;flex-direction:column;align-items:center;gap:1px;font-size:11px;color:var(--ink-soft);padding:6px 8px;border-radius:8px}.note-actions button span{font-size:17px}.note-actions button:active{background:var(--paper-deep)}.float-layer{position:fixed;top:0;right:0;bottom:0;left:0;z-index:80}.float-backdrop{position:absolute;top:0;right:0;bottom:0;left:0;background:#1e18102e;-webkit-backdrop-filter:blur(1px);backdrop-filter:blur(1px)}.float-note-wrap{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}.float-note{pointer-events:auto;position:absolute;left:calc(50% - min(110px,36vw));top:40%;width:min(220px,72vw);padding:14px 16px;border-radius:8px;background:var(--note-color);box-shadow:var(--shadow-float);font-size:16px;line-height:1.5;cursor:grab;touch-action:none;rotate:-2deg;z-index:82}.float-note .hint{display:block;margin-top:8px;font-size:12px;color:var(--ink-soft)}.float-note .hint.hit{color:var(--accent);font-weight:700}.float-note .cancel{position:absolute;top:-10px;right:-10px;width:26px;height:26px;border-radius:50%;background:var(--ink);color:var(--paper);font-size:13px;display:grid;place-items:center;box-shadow:var(--shadow)}.quadrant-glow{outline:3px solid var(--accent);outline-offset:2px}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:640px;z-index:40;display:flex;background:color-mix(in srgb,var(--card) 92%,transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-top:1px solid var(--line);padding-bottom:var(--safe-bottom)}.bottom-nav button{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 0 6px;font-size:11px;color:var(--ink-soft)}.bottom-nav button span{font-size:19px}.bottom-nav button.active{color:var(--accent)}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;z-index:90;background:#1e181059;display:grid;place-items:end center}.modal-card{width:100%;max-width:640px;background:var(--card);border-radius:20px 20px 0 0;padding:16px 16px calc(20px + var(--safe-bottom));box-shadow:var(--shadow-float)}.cal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;text-align:center}.cal-grid .dow{font-size:12px;color:var(--ink-soft);padding:4px 0}.cal-day{aspect-ratio:1;display:grid;place-items:center;border-radius:10px;font-size:14px;color:var(--ink-soft)}.cal-day.today{border:1.5px dashed var(--accent)}.cal-day.selected{background:var(--accent);color:#fff;font-weight:700}.cal-day.other{opacity:.3}.sheet{position:fixed;top:0;right:0;bottom:0;left:0;z-index:95;display:flex;flex-direction:column;justify-content:flex-end}.sheet .mask{position:absolute;top:0;right:0;bottom:0;left:0;background:#1e181059}.sheet .body{position:relative;background:var(--card);border-radius:20px 20px 0 0;padding:18px 16px calc(20px + var(--safe-bottom));max-width:640px;width:100%;margin:0 auto;box-shadow:var(--shadow-float)}.sheet h3{margin:0 0 14px;font-size:17px}.field{margin-bottom:14px}.field label{display:block;font-size:13px;color:var(--ink-soft);margin-bottom:6px}.field input[type=text],.field textarea{width:100%;font-size:16px;padding:10px 12px;border-radius:10px;border:1.5px solid var(--line);background:var(--paper);outline:none}.field input[type=time]{font-size:15px;padding:8px 10px;border-radius:10px;border:1.5px solid var(--line);background:var(--paper);color:inherit;font-family:inherit}.quad-chips{display:flex;flex-wrap:wrap;gap:8px}.quad-chip{font-size:13px;padding:8px 12px;border-radius:999px;border:1.5px solid var(--line);color:var(--ink-soft)}.quad-chip.on{color:var(--ink);border-color:var(--q-color);background:color-mix(in srgb,var(--q-color) 35%,transparent)}.quad-chip[data-q=QI]{--q-color: var(--qi)}.quad-chip[data-q=QII]{--q-color: var(--qii)}.quad-chip[data-q=QIII]{--q-color: var(--qiii)}.quad-chip[data-q=QIV]{--q-color: var(--qiv)}.sheet-actions{display:flex;gap:10px;margin-top:8px}.btn{flex:1;padding:12px;border-radius:12px;font-size:15px;font-weight:700;box-shadow:var(--shadow)}.btn.primary{background:var(--accent);color:#fff}.btn.ghost{background:var(--paper);color:var(--ink-soft)}.btn.danger{background:#c25b4a;color:#fff}.onboard{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;background:#1e1810c7;display:grid;place-items:center;padding:24px}.onboard .card{background:var(--card);border-radius:20px;padding:26px 22px;max-width:340px;width:100%;text-align:center;box-shadow:var(--shadow-float)}.onboard .demo{margin:16px 0}.onboard .dots{display:flex;justify-content:center;gap:6px;margin-bottom:16px}.onboard .dots i{width:7px;height:7px;border-radius:50%;background:var(--line)}.onboard .dots i.on{background:var(--accent)}.settings{padding:16px;display:flex;flex-direction:column;gap:14px}.set-card{background:var(--card);border-radius:14px;padding:6px 0;box-shadow:var(--shadow)}.set-row{display:flex;align-items:center;justify-content:space-between;padding:13px 16px;font-size:15px}.set-row+.set-row{border-top:1px dashed var(--line)}.switch{position:relative;width:46px;height:26px;border-radius:999px;background:var(--line);transition:background .2s}.switch.on{background:var(--accent)}.switch:after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:#fff;transition:transform .2s}.switch.on:after{transform:translate(20px)}.timeline{display:flex;flex:1;min-height:0}.tl-side{width:118px;flex-shrink:0;border-right:1px dashed var(--line);padding:10px;overflow-y:auto;max-height:calc(100dvh - 210px)}.tl-side h4{margin:0 0 8px;font-size:13px;color:var(--ink-soft)}.tl-chip{font-size:13.5px;padding:8px 10px;border-radius:8px;background:var(--note-color);box-shadow:var(--shadow);margin-bottom:8px;cursor:grab;touch-action:none;word-break:break-word}.tl-main{flex:1;overflow-y:auto;position:relative;max-height:calc(100dvh - 210px);padding-top:10px}.tl-slot{height:34px;border-bottom:1px dashed var(--line);position:relative}.tl-slot.hour{border-bottom:1.5px solid var(--line)}.tl-slot .label{position:absolute;top:-9px;left:4px;font-size:11px;color:var(--ink-soft);background:var(--paper);padding:0 4px;z-index:1}.tl-slot.drag-over{background:color-mix(in srgb,var(--accent) 14%,transparent)}.tl-now{position:absolute;left:0;right:0;height:0;border-top:2px solid var(--accent);z-index:3;pointer-events:none}.tl-now i{position:absolute;left:-1px;top:-4.5px;width:9px;height:9px;border-radius:50%;background:var(--accent)}.tl-now span{position:absolute;right:4px;top:-10px;font-size:10.5px;color:var(--accent);background:var(--paper);padding:0 5px;border-radius:4px}.tl-block{position:absolute;left:34px;right:8px;border-radius:8px;background:var(--note-color);box-shadow:var(--shadow);padding:3px 8px;font-size:12.5px;overflow:hidden;cursor:pointer;border-left:3px solid var(--q-color);z-index:2;line-height:1.4}.tl-block .tl-block-time{font-weight:700}.tl-block .tl-block-note{font-size:10px;opacity:.7;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tl-block.conflict{outline:2px solid #c25b4a}.tl-block.done{opacity:.55;text-decoration:line-through}.tl-block-resize{position:absolute;left:0;right:0;bottom:0;height:14px;cursor:ns-resize;touch-action:none;background:linear-gradient(to bottom,transparent,rgba(0,0,0,.07));border-radius:0 0 8px 8px}.tl-block-resize:after{content:"⋮";position:absolute;bottom:1px;left:50%;transform:translate(-50%);font-size:11px;line-height:1;opacity:.55;pointer-events:none}.toast{position:fixed;left:50%;bottom:calc(84px + var(--safe-bottom));transform:translate(-50%);z-index:120;background:var(--ink);color:var(--paper);font-size:14px;padding:10px 18px;border-radius:999px;box-shadow:var(--shadow-float);max-width:86vw;text-align:center}.day-empty{text-align:center;color:var(--ink-soft);padding:40px 20px;font-size:14px;line-height:2}