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*{box-sizing:border-box}
body{margin:0;min-height:100vh}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
button:disabled{opacity:.5;cursor:not-allowed}
.hidden{display:none!important}
.muted{color:#667483}
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h1,h2,h3,p{margin-top:0}
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h2{font-size:1.35rem;letter-spacing:-.025em}
h3{font-size:1rem}
p{line-height:1.6}
.topbar{min-height:64px;border-bottom:1px solid #e2e7ec;background:#fff;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:0 clamp(1rem,3vw,2.8rem);position:sticky;top:0;z-index:20}
.brand{font-weight:800;white-space:nowrap;cursor:pointer}
.brand span{color:#8298aa}
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.sync-status.warn{color:#895d15;background:#fff2da}
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.page{max-width:1260px;margin:auto;padding:clamp(1rem,3vw,3rem)}
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.project-card{text-align:left;padding:1.35rem;min-height:165px;display:flex;flex-direction:column;justify-content:space-between;color:inherit}
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input:focus,textarea:focus,select:focus{outline:2px solid #94b9d0;outline-offset:1px}
textarea{width:100%;resize:vertical;min-height:90px;line-height:1.55}
.overview-editor{min-height:330px}
.save-hint{font-size:.77rem;color:#6c7f8d}
.week-controls,.day-controls,.archive-controls{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap;margin-bottom:1rem}
.week-timeline{display:flex;overflow-x:auto;gap:.7rem;padding:.5rem 0 1rem;scrollbar-width:thin;scroll-snap-type:x proximity}
.week-card{flex:0 0 220px;padding:1rem;text-align:left;scroll-snap-align:center;min-height:110px}
.week-card.selected{border-color:#285b7b;background:#eef6fa}
.week-card.current .week-label:after{content:" 本周";color:#2d8061;font-size:.75rem}
.week-card .week-label{font-weight:800}
.week-card .week-note{font-size:.82rem;color:#61717e;margin-top:.55rem;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
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.stats-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}
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.day-list{display:flex;flex-direction:column;gap:1.2rem;max-height:calc(100vh - 220px);overflow-y:auto;padding:.2rem 1rem 2rem .2rem}
.day-card{padding:1.2rem;border-left:4px solid #bdccd6}
.day-card.today{border-left-color:#33698c}
.day-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}
.day-header h2{margin:0}
.day-header small{color:#697d8b}
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.goal-box textarea{min-height:75px}
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.goal-check input{accent-color:#285b7b}
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.work-block{border:1px solid #dce5ec;border-radius:12px;padding:1rem;background:#fff}
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.interval-row input{min-width:0;flex:1 1 185px}
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.work-duration{font-size:.8rem;color:#53778c;margin-top:.6rem}
.day-summary{border-top:1px solid #e1e7ed;padding-top:1rem;margin-top:1rem}
.archive-card{padding:1rem;margin:.75rem 0}
.archive-card pre{white-space:pre-wrap;overflow-wrap:anywhere;font-size:.82rem;line-height:1.5;margin-bottom:0}
.auth-gate{position:fixed;inset:0;z-index:50;display:grid;place-items:center;background:#f7f8fa;padding:1rem}
.auth-card{background:#fff;border:1px solid #dce4ea;border-radius:16px;padding:2rem;width:min(100%,400px);box-shadow:0 25px 80px rgba(22,48,65,.1)}
.auth-card label,.dialog label{display:block;margin:.7rem 0 .4rem}
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.auth-card .primary{width:100%;margin-top:1rem}
.error{color:#a13f3f;margin:.7rem 0 0}
.dialog{border:1px solid #dce5eb;border-radius:16px;padding:1.5rem;width:min(94vw,470px);max-height:90vh;overflow:auto;box-shadow:0 28px 100px rgba(20,40,55,.23)}
.dialog::backdrop{background:rgba(18,31,42,.5)}
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.dialog-head{display:flex;justify-content:space-between;align-items:start}
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.import-item{border:1px solid #dbe5ec;border-radius:12px;padding:1rem;margin-top:1rem}
.import-item h3{margin-bottom:.5rem}
.import-day{border-top:1px solid #e4eaf0;padding:1rem 0}
.import-day .form-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.import-block{margin:.6rem 0;padding:.7rem;background:#f6f9fb;border-radius:9px}
.import-warning{background:#fff4e6;color:#83591f;border-radius:8px;padding:.6rem;font-size:.82rem;margin:.5rem 0}
.import-raw{white-space:pre-wrap;max-height:170px;overflow:auto;background:#f6f8f9;padding:.75rem;border-radius:8px;font-size:.78rem}
.toast{position:fixed;bottom:1.2rem;right:1.2rem;background:#213f54;color:#fff;padding:.8rem 1rem;border-radius:9px;z-index:100;box-shadow:0 12px 30px rgba(0,0,0,.15)}
@media(max-width:800px){.project-header{grid-template-columns:1fr auto}
.project-header>div:nth-child(2){grid-column:1/-1;grid-row:2}
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.week-edit-grid,.stats-grid,.goal-grid{grid-template-columns:1fr}
.day-list{max-height:calc(100vh - 220px);overflow-y:auto}
.day-card{padding:.9rem}
}
@media(max-width:560px){.topbar{align-items:flex-start;padding:.65rem 1rem}
.brand{font-size:.87rem;padding-top:.4rem}
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.sync-status{font-size:.68rem}
.page-heading{align-items:start;flex-direction:column}
.project-tabs button{flex:1;padding:.75rem .3rem;font-size:.85rem}
.form-grid,.import-day .form-grid{grid-template-columns:1fr}
.archive-controls{align-items:stretch;flex-direction:column}
}

/* Daily workspace: compact summaries, quiet completion feedback, stable nested scrolling. */
.topbar{min-height:56px}
.project-page{padding-top:1rem}
.project-header{margin-bottom:.65rem}
.project-header .eyebrow,.project-header .project-header-actions:empty{display:none}
.project-tabs{margin-bottom:1rem}
.project-tabs button{padding:.65rem 1.1rem}
.day-controls{margin-bottom:.75rem;font-size:.85rem}
.day-controls .muted{font-size:.8rem}
.day-list{scrollbar-gutter:stable;overflow-anchor:none;padding-right:.5rem;gap:.7rem}
.day-card{padding:0;border-left-width:3px}
.day-header{margin:0;padding:1rem 1.1rem;cursor:pointer;list-style:none;gap:1rem}
.day-header::-webkit-details-marker,.block-summary::-webkit-details-marker{display:none}
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.day-header strong{font-size:.97rem}
.day-overview{display:flex;align-items:center;justify-content:flex-end;gap:.8rem;flex-wrap:wrap;color:#627486;font-size:.78rem}
.day-overview .day-minutes{color:#285b7b;font-size:.87rem}
.day-body{padding:0 1.1rem 1.1rem;border-top:1px solid #edf1f4}
.day-achievement{display:flex;align-items:center;gap:.8rem;padding:.85rem 0;font-size:.78rem;color:#577364}
.day-achievement progress{height:7px;flex:1;max-width:180px;accent-color:#408169;border:0;border-radius:8px;overflow:hidden}
progress::-webkit-progress-bar{background:#e7eeea}
progress::-webkit-progress-value{background:#408169;border-radius:8px}
.goal-head strong{font-size:.88rem}
.goal-box textarea{min-height:65px;font-size:.9rem}
.goal-box.is-complete{border-color:#a7cbbb;background:#f0f8f3}
.goal-box.is-complete .goal-head strong{color:#2d7055}
.goal-box,.work-block{transition:background-color .18s,border-color .18s}
.goal-check input{accent-color:#408169}
.block-list{margin:1rem 0;gap:.65rem}
.work-block{padding:0;background:#fcfdfe;overflow:clip}
.work-block.is-complete{border-color:#aacdbc}
.block-summary{list-style:none;display:flex;align-items:center;gap:.7rem;padding:.85rem 1rem;cursor:pointer}
.block-title{font-size:.93rem;font-weight:750;overflow-wrap:anywhere;flex:1;min-width:0}
.block-summary-meta{display:flex;align-items:center;gap:.75rem;font-size:.78rem;color:#637585;white-space:nowrap}
.block-status{border-radius:20px;background:#edf1f4;padding:.25rem .5rem}
.is-complete>.block-summary .block-status{color:#2d7055;background:#e1f1e7}
.is-complete>.block-summary .block-status:before{content:'✓ '}
.block-body{padding:0 1rem 1rem}
.block-body>.field{margin-bottom:.8rem}
.time-section{margin:.8rem 0}
.time-section>strong{display:block;font-size:.8rem;color:#526b7d;margin-bottom:.35rem}
.time-inputs{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}
.time-inputs>label{flex:0 1 108px;min-width:0;position:relative}
.time-inputs input{width:100%;font-variant-numeric:tabular-nums;padding:.5rem .6rem}
.time-inputs input[aria-invalid=true]{border-color:#bb6161;background:#fff9f9}
.time-separator{color:#8393a0}
.interval-duration{color:#4c7562;font-size:.79rem;font-variant-numeric:tabular-nums}
.time-error{color:#9e4841;font-size:.78rem;margin:.3rem 0;line-height:1.5}
.add-interval{padding:.45rem .7rem;font-size:.8rem;margin-top:.6rem}
.stop-field{display:flex;align-items:center;gap:.7rem;margin:1rem 0;font-size:.8rem}
.stop-field select{padding:.4rem .6rem;font-size:.82rem}
.block-extras{border-top:1px solid #e4ebf0;padding-top:.65rem;font-size:.82rem}
.block-extras>summary{cursor:pointer;color:#637b8c;margin-bottom:.6rem}
.block-extras .field{margin-top:.7rem}
.block-footer{display:flex;justify-content:flex-end}
.block-footer .danger-button{font-size:.76rem;padding:.35rem 0 0 .5rem}
.source-hint{font-size:.75rem;color:#728491;margin-bottom:.6rem}
.day-summary{margin-top:1rem}
.day-summary textarea{min-height:70px}
.sr-only{position:absolute;top:0;left:0;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
summary:focus-visible,.chart-day:focus-visible{outline:2px solid #4d87a8;outline-offset:3px;border-radius:5px}

/* Native SVG chart: the scroll container retains daily resolution at every range. */
.chart-caption{font-size:.82rem;margin:.45rem 0 0}
.scale-label{display:flex;gap:.5rem;align-items:center;white-space:nowrap}
.chart-toolbar{display:flex;gap:.5rem;align-items:center;flex-wrap:wrap;margin-bottom:1rem}
.chart-toolbar .outline{padding:.45rem .8rem;font-size:.82rem}
.chart-toolbar label{display:flex;align-items:center;gap:.35rem}
.chart-toolbar input{padding:.4rem;font-size:.83rem}
.study-totals{display:grid;grid-template-columns:2fr 1fr 1fr;gap:.8rem;padding:1rem;background:#f2f7f7;border-radius:12px}
.study-totals strong{display:block;font-size:clamp(1rem,2vw,1.45rem);color:#285f5b}
.study-totals span{display:block;font-size:.76rem;color:#617b7a;margin-top:.3rem}
.chart-scroll{overflow-x:auto;margin-top:.8rem;scrollbar-width:thin;padding:3px}
.study-chart{display:block;min-width:100%;font-family:inherit}
.study-chart text{font-size:10px;fill:#6a7c89;pointer-events:none}
.chart-axis{stroke:#d8e3e8}
.chart-day{cursor:pointer}
.chart-hit{fill:transparent}
.chart-bar{fill:#8bb7ad}
.chart-day:hover .chart-hit,.chart-day.selected .chart-hit,.chart-day:focus .chart-hit{fill:#edf5f3}
.chart-day.selected .chart-bar,.chart-day:focus .chart-bar{fill:#387e6d}
.chart-day.future{opacity:.4}
.chart-selection{display:flex;align-items:center;justify-content:space-between;gap:.7rem;flex-wrap:wrap;background:#f7f9fa;border-radius:9px;padding:.5rem .8rem;font-size:.82rem}
.chart-table{font-size:.82rem;margin-top:.9rem;max-height:300px;overflow:auto}
.chart-table summary{cursor:pointer;color:#526f82}
.chart-table table{width:100%;border-collapse:collapse;margin-top:.7rem;text-align:left;font-variant-numeric:tabular-nums}
.chart-table th,.chart-table td{padding:.5rem;border-bottom:1px solid #e5ebef}
.chart-table tbody th{font-weight:500}
@media(max-width:800px){
  .goal-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .goal-head{align-items:flex-start;flex-direction:column;gap:.4rem}
  .day-header{align-items:flex-start;flex-wrap:wrap;gap:.5rem}
  .day-overview{margin-left:1.3rem;justify-content:flex-start}
}
@media(max-width:560px){
  .topbar{flex-wrap:wrap;gap:.3rem;padding:.55rem 1rem}
  .top-actions{width:100%;justify-content:space-between}
  .project-header{grid-template-columns:1fr auto}
  .project-header h1{font-size:1.35rem}
  .goal-grid{grid-template-columns:1fr}
  .goal-head{flex-direction:row;align-items:center}
  .day-body{padding:0 .75rem .8rem}
  .day-header{padding:.8rem}
  .day-header>span:first-of-type{gap:.4rem}
  .day-overview{gap:.6rem}
  .block-summary{padding:.75rem;flex-wrap:wrap}
  .block-summary-meta{margin-left:1rem;width:100%;justify-content:space-between}
  .block-body{padding:0 .7rem .7rem}
  .time-inputs{gap:.35rem}
  .time-inputs>label{flex-basis:80px}
  .interval-duration{font-size:.72rem}
  .time-inputs .text-button{font-size:.73rem;padding:.3rem}
  .study-totals{padding:.8rem;grid-template-columns:1fr 1fr}
  .study-totals>div:first-child{grid-column:1/-1}
  #study-chart .section-head{align-items:flex-start}
  #study-chart h2{font-size:1.15rem}
  .day-list{max-height:calc(100dvh - 265px);min-height:220px}
}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}}