:root{color-scheme:dark;--bg:#131411;--panel:#1b1c18;--text:#f0eee5;--muted:#aaa99d;--gold:#d7bb76;--line:#685a38;--soft:#26261f;--danger:#f1a39a;--green:#adccab;--shadow:#0008}
:root[data-theme=light]{color-scheme:light;--bg:#f6f4ee;--panel:#fffefa;--text:#272b24;--muted:#686c61;--gold:#755718;--line:#c5b58d;--soft:#eeeae0;--danger:#a03124;--green:#32623c;--shadow:#0002}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.65 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}main{max-width:1520px;margin:auto;padding:42px 48px}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer;border:1px solid var(--line);border-radius:6px;padding:7px 13px;background:transparent;white-space:nowrap}button:hover{background:var(--soft)}button:disabled{cursor:not-allowed;opacity:.5}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:2px solid var(--gold);outline-offset:3px}header{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:34px}.brand{display:flex;align-items:center;gap:14px}h1{font-size:26px;letter-spacing:1px;line-height:1.4;margin:0}p{margin:6px 0;color:var(--muted)}.tools{display:flex;gap:10px}.summary{display:flex;align-items:center;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0;gap:46px;margin-bottom:24px}.summary>div{display:flex;gap:12px;align-items:baseline}.summary strong{font-size:30px;font-weight:500;color:var(--gold);font-variant-numeric:tabular-nums}.summary span{color:var(--muted)}.summary p{margin-left:auto;font-size:12px}.toolbar{display:flex;align-items:center;gap:12px;margin-bottom:14px}.tabs{display:flex;gap:4px}.tabs button{border-color:transparent}.tabs button.active{border-color:var(--gold);color:var(--gold);background:var(--soft)}.search{margin-left:auto;width:310px}input,select,textarea{width:100%;border:1px solid var(--line);background:var(--bg);padding:9px 11px;border-radius:6px}input::placeholder,textarea::placeholder{color:var(--muted)}.table-wrap{border:1px solid var(--line);border-radius:8px;overflow:auto;background:var(--panel)}table{border-collapse:collapse;width:100%;min-width:1020px;table-layout:fixed}th{text-align:left;font-size:12px;font-weight:500;color:var(--gold);padding:13px 14px;background:var(--soft);white-space:nowrap}td{padding:17px 14px;vertical-align:top;border-top:1px solid var(--line);overflow-wrap:anywhere}th:not(:last-child),td:not(:last-child){border-right:1px solid var(--line)}.check-col{width:44px}.title-col{width:31%}.progress-col{width:23%}th:nth-child(3){width:94px}th:nth-child(4){width:126px}th:nth-child(5){width:145px}th:last-child{width:63px}td input[type=checkbox]{width:17px;height:17px;margin:6px 0;accent-color:var(--gold);cursor:pointer}td input:disabled{cursor:default}.task-title{display:block;text-align:left;padding:0;white-space:normal;line-height:1.6;font-size:15px;font-weight:550;border:0}.task-title:hover{color:var(--gold);background:none}.child .task-title{font-size:14px;font-weight:400}.child td:nth-child(2){padding-left:30px}.child{background:var(--bg)}.task-sub{font-size:12px;color:var(--muted);margin-top:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.expand{padding:2px 0;border:0;color:var(--gold);font-size:12px;margin-top:8px}.status{font-size:12px;display:inline-block;padding:2px 7px;border:1px solid var(--line);border-radius:4px;white-space:nowrap}.status-done{color:var(--green)}.status-doing{color:var(--gold)}.muted{color:var(--muted)}.date{font-variant-numeric:tabular-nums;font-size:13px}.overdue{color:var(--danger)}.overdue small{display:block;font-size:11px}.progress{font-size:13px;white-space:pre-line;max-height:110px;overflow:auto}.edit{border:0;padding:2px 0;color:var(--gold);font-size:12px}.complete .task-title{text-decoration:line-through;color:var(--muted)}#empty{padding:55px;text-align:center;color:var(--muted)}footer{display:flex;justify-content:space-between;gap:16px;margin-top:18px;font-size:12px;color:var(--muted)}footer>div{display:flex;gap:14px;flex-wrap:wrap}.hint{font-size:12px;margin-top:14px}.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}dialog{border:1px solid var(--line);border-radius:12px;max-width:720px;width:calc(100% - 32px);background:var(--panel);color:var(--text);padding:26px;box-shadow:0 20px 70px var(--shadow)}dialog::backdrop{background:#0009}.dialog-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:18px}h2{font-size:20px;margin:0}.dialog-head button{border:0;font-size:24px;padding:0 8px}form label{display:block;margin:12px 0;font-size:12px;color:var(--muted)}form label input,form label textarea,form label select{display:block;margin-top:6px;color:var(--text);font-size:14px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}small{font-size:11px}.actions{display:flex;justify-content:flex-end;gap:10px;align-items:center;margin-top:20px}.actions a{margin-right:auto;color:var(--gold);font-size:12px}.primary{background:var(--gold);color:var(--bg);border-color:var(--gold)}.primary:hover{background:var(--gold);filter:brightness(1.05)}.error{color:var(--danger);font-size:13px}pre{white-space:pre-wrap;overflow-wrap:anywhere;font:12px/1.8 inherit;color:var(--muted)}summary{cursor:pointer;color:var(--gold);font-size:12px}#toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);background:var(--panel);border:1px solid var(--gold);border-radius:8px;padding:12px 22px;box-shadow:0 6px 25px var(--shadow);max-width:90vw;z-index:10}#authDialog{max-width:440px}[hidden]{display:none!important}@media(max-width:760px){main{padding:24px 16px}header{align-items:flex-start;gap:10px}.brand{gap:8px}.brand img{width:30px;height:30px}h1{font-size:22px}.brand p{font-size:12px}.tools{flex-direction:column;gap:6px}.tools button{font-size:12px;padding:5px 8px}.summary{gap:20px;flex-wrap:wrap;padding:16px 0}.summary>div{display:block}.summary strong{font-size:26px}.summary span{display:block;font-size:11px}.summary p{flex-basis:100%;margin:0}.toolbar{flex-wrap:wrap}.search{order:3;width:100%;margin:0}.toolbar>button{margin-left:auto}footer{display:block}#access{display:block;margin-top:6px}.form-grid{grid-template-columns:1fr}dialog{padding:20px}.actions{flex-wrap:wrap}.table-wrap{border-radius:5px}}

/* Parent matters and their second-level actions are separate visual groups. */
.children-container>td{padding:0 18px 22px 42px;background:var(--bg);border-top:0;border-right:0!important}
.children-panel{border:1px solid var(--line);border-left:3px solid var(--gold);border-radius:0 0 7px 7px;overflow:hidden}
.children-heading{display:flex;justify-content:space-between;gap:18px;align-items:center;padding:14px 16px;background:var(--soft);color:var(--gold)}
.children-heading strong{font-size:13px;font-weight:500}.children-heading span{font-size:12px;white-space:nowrap}
.children-table{min-width:0;background:var(--bg)}.children-table th{background:var(--bg);font-size:11px;padding:9px 12px;color:var(--muted)}
.children-table td{padding:14px 12px}.children-table .child td:nth-child(2){padding-left:12px}.children-table .task-title{margin-left:28px}
.child-number{float:left;line-height:23px;font-size:11px;color:var(--gold);font-variant-numeric:tabular-nums}
.children-table .task-sub{margin-left:28px}.children-table .task-sub:empty{display:none}.children-table .check-col{width:40px}
.children-table .title-col{width:33%}.children-table .progress-col{width:21%}
@media(max-width:760px){.children-container>td{padding:0 10px 16px 22px}.children-heading{padding:10px 12px}}

#liveStatus{color:var(--green)}#liveStatus.disconnected{color:var(--danger)}#imageDialog{max-width:920px;max-height:90vh}.export-option{display:flex;gap:8px;align-items:center;font-size:13px;color:var(--muted)}.export-option input{width:17px;height:17px;accent-color:var(--gold)}#imageStatus{font-size:12px}#imagePreview{max-height:54vh;overflow:auto;border-radius:6px}#imagePreview img{width:100%;height:auto;display:block;margin:0 auto 12px}.download-image{display:inline-block;border-radius:6px;padding:8px 13px;text-decoration:none;font-size:14px!important;margin:0!important}.image-part{display:block;margin:10px 0;color:var(--gold)}

.actions a.download-image{color:var(--bg)}

/* Narrow screens keep every field readable without a sideways table. */
@media(max-width:760px){
  main{padding:22px 14px;min-width:0}
  header{flex-wrap:wrap;margin-bottom:24px}
  .brand,.brand>div{min-width:0}
  .brand{flex:1 1 190px}
  .brand img{flex:none}
  .tools{flex-direction:row;flex-wrap:wrap;gap:8px}
  .tools button{min-height:40px;padding:7px 11px}
  .summary{gap:16px 26px}
  .summary p{overflow-wrap:anywhere}
  .toolbar,.tabs{flex-wrap:wrap;min-width:0}
  .toolbar button{min-height:42px}
  .search{min-width:0}
  input,select,textarea{min-width:0}
  .table-wrap{border:0;border-radius:0;overflow:visible;background:transparent}
  .table-wrap table{display:block;min-width:0;width:100%;table-layout:auto}
  .table-wrap thead{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);clip-path:inset(50%);white-space:nowrap}
  .table-wrap tbody{display:block;min-width:0}
  .table-wrap tr:not(.children-container){display:grid;grid-template-columns:36px minmax(0,1fr);gap:0 6px;margin-bottom:12px;padding:12px;border:1px solid var(--line);border-radius:8px;background:var(--panel)}
  .table-wrap td{min-width:0;width:auto;border:0!important;padding:8px 0;overflow-wrap:anywhere}
  .table-wrap tr:not(.children-container)>td:first-child{grid-column:1;grid-row:1;padding:0;display:flex;align-items:flex-start;justify-content:center}
  .table-wrap tr:not(.children-container)>td:nth-child(2){grid-column:2;grid-row:1;padding:0 0 10px}
  .table-wrap tr:not(.children-container)>td:nth-child(n+3){grid-column:1/-1;display:grid;grid-template-columns:76px minmax(0,1fr);align-items:start;gap:8px;border-top:1px solid var(--soft)!important}
  .table-wrap td[data-label]:nth-child(n+3)::before{content:attr(data-label);font-size:12px;line-height:24px;color:var(--muted);font-weight:400}
  .table-wrap td.date small{grid-column:2}
  .table-wrap td .status{justify-self:start;max-width:100%;white-space:normal}
  .table-wrap td input[type=checkbox]{width:24px;height:24px;margin:10px 0;flex:none}
  .table-wrap .task-title{min-height:44px;padding:8px 0;font-size:15px}
  .table-wrap .task-sub{margin-top:0;-webkit-line-clamp:3}
  .table-wrap .expand{min-height:40px;margin-top:4px;text-align:left;white-space:normal;line-height:1.5;padding:6px 0}
  .table-wrap .progress{max-height:none;overflow:visible;line-height:1.75}
  .table-wrap .edit{min-height:40px;justify-self:start;padding:8px 10px;margin:-4px 0 -4px -10px;font-size:13px}
  .table-wrap .children-container{display:block;margin-top:-12px;margin-bottom:12px}
  .table-wrap .children-container>td{display:block;padding:0 0 0 12px;background:transparent}
  .children-panel{min-width:0;overflow:visible;border-top:0;border-right:0;border-bottom:0;border-radius:0 0 0 7px;padding:0 0 0 8px}
  .children-heading{align-items:flex-start;flex-wrap:wrap;gap:4px 12px;padding:12px 10px;border-radius:0 0 6px 6px;margin-bottom:8px}
  .children-heading strong{flex:1 1 160px;min-width:0;overflow-wrap:anywhere;line-height:1.6}
  .children-heading span{white-space:normal;font-size:11px}
  .children-table{background:transparent}
  .table-wrap .children-table tr:not(.children-container){padding:10px;background:var(--bg);grid-template-columns:30px minmax(0,1fr);margin-bottom:8px}
  .children-table .child-number{line-height:24px;margin-top:8px}
  .children-table .task-title,.children-table .task-sub{margin-left:25px}
  .children-table .children-container>td{padding-left:4px}
  footer,footer>div{min-width:0;overflow-wrap:anywhere}
  footer>div{gap:7px 12px}
  #empty{padding:32px 16px;border:1px solid var(--line);border-radius:8px}
  dialog{width:calc(100% - 20px);max-width:calc(100% - 20px);max-height:calc(100vh - 20px);max-height:calc(100dvh - 20px);padding:18px;overflow:auto;overscroll-behavior:contain}
  .dialog-head{gap:12px;align-items:flex-start}
  .dialog-head h2{min-width:0;overflow-wrap:anywhere}
  .dialog-head button{min-width:40px;min-height:40px;margin:-7px -7px 0 0;flex:none}
  form label input,form label textarea,form label select{font-size:16px}
  .form-grid{grid-template-columns:minmax(0,1fr)}
  .actions{gap:8px;flex-wrap:wrap}
  .actions button,.actions .download-image{min-height:44px;text-align:center}
  .actions a:not(.download-image){flex-basis:100%;margin-bottom:4px;overflow-wrap:anywhere}
  #imageDialog{max-height:calc(100vh - 20px);max-height:calc(100dvh - 20px)}
  #imagePreview{max-height:45vh;max-height:45dvh;min-width:0}
  .export-option{min-height:44px}
  .export-option input{width:22px;height:22px;flex:none}
  #toast{bottom:max(18px,env(safe-area-inset-bottom));padding:12px 16px;overflow-wrap:anywhere}
}

@media(max-width:380px){
  main{padding-right:10px;padding-left:10px}
  .table-wrap tr:not(.children-container){padding:10px}
  .table-wrap tr:not(.children-container)>td:nth-child(n+3){grid-template-columns:64px minmax(0,1fr)}
  .summary{gap:16px}
  #imageDialog .actions>*{flex:1 1 auto}
}

/* Practical controls share the same quiet, compact toolbar. */
.toolbar{flex-wrap:wrap}
.toolbar .search{flex:1 1 220px;max-width:360px;min-width:0}
.sort-control{display:block;flex:0 0 140px;min-width:0}
.sort-control select{min-height:40px;padding:8px 10px;font-size:13px;cursor:pointer}
#toggleAll{font-size:13px;min-height:40px}
.view-note{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 0 10px;min-height:30px;font-size:12px;color:var(--muted)}
#visibleCount{min-width:0;overflow-wrap:anywhere}
#resetFilters{border:0;min-height:36px;padding:5px 0;color:var(--gold);font-size:12px}
#toast{display:flex;align-items:center;gap:12px;width:max-content;max-width:min(680px,90vw)}
#toast>span{min-width:0;overflow-wrap:anywhere}
#toast>button{flex:none;min-height:38px;padding:6px 12px;color:var(--gold);border-color:var(--line)}
input[type=date],input[type=time]{min-height:44px;max-width:100%;min-width:0;font-variant-numeric:tabular-nums}
input[type=date]::-webkit-date-and-time-value,input[type=time]::-webkit-date-and-time-value{text-align:left;min-height:1.5em}
input[type=date]::-webkit-calendar-picker-indicator,input[type=time]::-webkit-calendar-picker-indicator{cursor:pointer;margin-left:4px}
#imageStale{margin:10px 0;font-size:13px}
#regenerateImage{min-height:40px;color:var(--gold);font-size:13px}

@media(max-width:760px){
  .toolbar{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;margin-bottom:10px}
  .toolbar .tabs{grid-column:1;grid-row:1;flex-wrap:nowrap;gap:2px}
  .toolbar .tabs button{padding:7px 10px;min-height:44px;font-size:13px}
  .toolbar .search{grid-column:1/-1;grid-row:2;order:initial;width:100%;max-width:none}
  .toolbar .search input{min-height:44px;font-size:16px}
  .toolbar .sort-control{grid-column:1;grid-row:3;width:100%;max-width:none}
  .sort-control select{min-height:44px;font-size:16px}
  #refresh{grid-column:2;grid-row:1;min-height:44px;margin:0}
  #toggleAll{grid-column:2;grid-row:3;min-height:44px;margin:0;padding:7px 10px}
  .view-note{gap:8px;margin-bottom:8px;align-items:center}
  #resetFilters{min-height:44px;flex:none}
  #toast{max-width:calc(100vw - 28px);gap:8px;padding:10px 12px}
  #toast>button{min-height:44px;padding:7px 11px}
  #regenerateImage{min-height:44px}
}

/* Children use the same seven columns as their parent; only the title is indented. */
@media(min-width:761px){
  .table-wrap>table>tbody>tr.child>td:nth-child(2){padding-left:28px}
  .table-wrap>table>tbody>tr.child .child-number{margin-right:9px}
  .table-wrap>table>tbody>tr.child .task-title,.table-wrap>table>tbody>tr.child .task-sub{margin-left:27px}
  .table-wrap>table>tbody>tr.child>td{background:var(--bg)}
}
@media(max-width:760px){
  .table-wrap>table>tbody>tr.child{margin-left:12px;border-left:3px solid var(--gold);background:var(--bg)}
  .table-wrap>table>tbody>tr.child .task-title,.table-wrap>table>tbody>tr.child .task-sub{margin-left:25px}
  .table-wrap>table>tbody>tr.child .child-number{margin-top:8px}
}

/* Attachments remain within the existing task detail and table layout. */
.task-remark{color:var(--muted);font-size:12px;margin-top:8px;white-space:pre-wrap;overflow-wrap:anywhere}
.attachment-badge{display:block;margin-top:8px;padding:3px 9px;font-size:12px;color:var(--gold)}
.attachment-thumb{display:block;width:88px;height:58px;object-fit:cover;border-radius:6px;margin-top:8px;cursor:pointer}
.attachment-section{margin:24px 0;border-top:1px solid var(--line);padding-top:18px}
.attachment-head{display:flex;align-items:center;gap:12px}.attachment-head h3{margin:0 0 12px}.attachment-head span{color:var(--muted);font-size:12px}
.attachment-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px}
.attachment-card{padding:0;overflow:hidden;text-align:left;min-width:0}.attachment-card img{width:100%;height:112px;object-fit:cover;display:block}
.attachment-card strong,.attachment-card small{display:block;padding:6px 10px;overflow-wrap:anywhere}.attachment-card strong{font-size:13px;font-weight:500}.attachment-card small{color:var(--muted);font-size:11px;padding-top:0}
.file-symbol{height:90px;display:grid;place-items:center;font-size:22px;letter-spacing:2px;color:var(--gold);background:var(--bg)}
.upload-area{border:1px dashed var(--line);border-radius:10px;padding:18px;margin-top:12px;background:var(--bg)}
.upload-area.dragging,.upload-area:focus{border-color:var(--gold);outline:1px solid var(--gold)}
.upload-area>p,.upload-area>small,#attachmentStatus{font-size:12px;color:var(--muted);line-height:1.7}.upload-area>small{display:block;margin-top:10px}
.upload-area details{margin-top:15px}.upload-area button{min-height:40px;margin-right:6px}.upload-area summary{cursor:pointer;font-size:13px}
#attachmentDialog{width:min(1000px,94vw)}#attachmentTitle{font-size:18px;overflow-wrap:anywhere}
#attachmentPreview img{display:block;max-width:100%;max-height:70vh;object-fit:contain;margin:auto}
#attachmentPreview iframe{width:100%;height:65vh;border:0;background:#fff;border-radius:8px}
.document-placeholder{padding:50px 20px;text-align:center;color:var(--muted)}
.legacy-link{font-size:12px;margin-top:20px;color:var(--muted)}.legacy-link a{color:inherit}
@media(max-width:760px){.attachment-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.upload-area{padding:13px}.upload-area button{min-height:44px}.attachment-thumb{width:76px;height:50px}}

.text-preview{white-space:pre-wrap;overflow-wrap:anywhere;padding:20px;background:var(--bg);border:1px solid var(--line);border-radius:8px;max-height:65vh;overflow:auto;font:14px/1.8 system-ui,sans-serif}.pdf-pages{max-height:65vh;overflow:auto;background:#e8e8e8;padding:10px}.pdf-page{min-height:200px;color:#222;margin-bottom:10px}.pdf-page canvas{display:block;width:100%;height:auto}

/* Attachments are a first-class table field; uploads have their own small editor. */
@media(min-width:761px){
  .table-wrap table{min-width:1150px}
  .title-col{width:auto}.progress-col{width:23%}.attachments-col{width:180px}
}
.table-attachments{display:flex;flex-direction:column;gap:8px;min-width:0}
.table-attachment{padding:0;overflow:hidden;white-space:normal;text-align:left;width:100%;max-width:160px;background:var(--bg)}
.table-attachment img{display:block;width:100%;height:100px;object-fit:contain;background:var(--soft)}
.table-file-name{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;padding:5px 7px;font-size:11px;overflow-wrap:anywhere;line-height:1.5}
.table-file-kind{display:block;padding:10px;color:var(--gold);font-size:13px}
.table-attachment-add{font-size:12px;padding:5px 8px;align-self:flex-start;color:var(--gold);white-space:normal}
#filesDialog{max-height:90dvh;overflow:auto}#filesDialog .attachment-section{margin:0;border-top:0;padding-top:0}
#filesDialog label{display:block;margin-top:12px;color:var(--muted);font-size:12px}
#filesDialog textarea{margin-top:6px}
@media(max-width:760px){.table-attachment{max-width:180px}.table-attachment-add{min-height:44px}}