:root{
  --bg:#f4f6fb; --card:#ffffff; --line:#e3e8f0; --text:#1f2733; --muted:#7b8798;
  --brand:#2f6fed; --brand-d:#2158c7; --danger:#e5484d; --ok:#12a150; --warn:#e8a300;
  --shadow:0 6px 20px rgba(24,39,75,.08);
}
*{box-sizing:border-box}
html,body{max-width:100%;overflow-x:hidden}
body{margin:0;font-family:-apple-system,"Segoe UI","Microsoft YaHei",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--text);font-size:14px;-webkit-font-smoothing:antialiased}
button{font-family:inherit;font-size:13px;cursor:pointer;border:1px solid var(--line);
  background:#fff;color:var(--text);padding:7px 13px;border-radius:8px;transition:.15s}
button:hover{border-color:#c7d2e5;background:#f7f9fd}
button.primary{background:var(--brand);border-color:var(--brand);color:#fff}
button.primary:hover{background:var(--brand-d);border-color:var(--brand-d)}
button.danger{color:var(--danger);border-color:#f3c6c8}
button.danger:hover{background:#fdf2f2}
button.sm{padding:4px 9px;font-size:12px;border-radius:6px}
button.ghost{background:transparent;border-color:transparent;color:var(--muted)}
button.ghost:hover{background:#eef2f9;color:var(--text)}
input,textarea,select{font-family:inherit;font-size:14px;padding:9px 11px;border:1px solid var(--line);
  border-radius:8px;background:#fff;color:var(--text);width:100%;outline:none;transition:.15s}
input:focus,textarea:focus,select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(47,111,237,.12)}
a{color:var(--brand);text-decoration:none}
.hidden{display:none!important}

#login-view{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}
.login-card{width:100%;max-width:380px;background:var(--card);border:1px solid var(--line);
  border-radius:16px;padding:34px 30px;box-shadow:var(--shadow)}
.login-card h1{font-size:21px;margin:0 0 4px}
.login-card p.sub{margin:0 0 24px;color:var(--muted);font-size:13px}
.field{margin-bottom:14px}
.field label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}
.login-card button{width:100%;padding:11px;font-size:15px;margin-top:8px}

header{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.header-in{max-width:1180px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;gap:12px}
.logo{font-weight:700;font-size:16px;letter-spacing:.3px;white-space:nowrap}
.logo span{color:var(--brand)}
.spacer{flex:1}
.who{color:var(--muted);font-size:13px;text-align:right;line-height:1.3}
.who b{color:var(--text);font-weight:600}
.badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:600}
.badge.superadmin{background:#fef3c7;color:#a16207}
.badge.admin{background:#e8f0ff;color:var(--brand)}
.badge.member{background:#eef1f5;color:#5b6675}
.tabs{background:var(--card);border-bottom:1px solid var(--line);overflow-x:auto}
.tabs-in{max-width:1180px;margin:0 auto;padding:0 20px;display:flex;gap:4px;white-space:nowrap}
.tab{padding:12px 15px;font-size:14px;color:var(--muted);cursor:pointer;border-bottom:2px solid transparent}
.tab.active{color:var(--brand);border-bottom-color:var(--brand);font-weight:600}
main{max-width:1180px;margin:0 auto;padding:22px 20px 80px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px;
  margin-bottom:16px;box-shadow:var(--shadow)}
.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.muted{color:var(--muted)}
.small{font-size:12px}
.spread{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.spread .spacer{flex:1}

.stats{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;margin-bottom:16px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 6px;
  text-align:center;box-shadow:var(--shadow)}
.stat .num{font-size:20px;font-weight:700;line-height:1.2}
.stat .num.todo{color:#5b6675}.stat .num.doing{color:#a06a00}.stat .num.done{color:var(--ok)}
.stat .num.danger{color:var(--danger)}.stat .num.brand{color:var(--brand)}.stat .num.small{font-size:14px}
.stat .lbl{font-size:12px;color:var(--muted);margin-top:3px}

.toolbar{display:flex;align-items:center;gap:8px;margin-bottom:12px;flex-wrap:wrap}
.toolbar h2{margin:0;font-size:17px}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:9px;overflow:hidden;background:#fff}
.seg button{border:0;border-radius:0;padding:6px 13px;font-size:13px;color:var(--muted);background:#fff}
.seg button+button{border-left:1px solid var(--line)}
.seg button.active{background:var(--brand);color:#fff}
.search{max-width:230px}
.filters{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:14px;
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 12px;box-shadow:var(--shadow)}
.filters select,.filters input{width:auto;min-width:120px;padding:6px 9px;font-size:13px}
.filters label.chk{display:inline-flex;align-items:center;gap:5px;font-size:13px;color:var(--text);cursor:pointer}
.filters input[type=checkbox]{width:auto}

.project{padding:0;overflow:hidden}
.node-head{display:flex;align-items:center;gap:10px;padding:13px 16px;cursor:pointer;user-select:none}
.node-head:hover{background:#f8faff}
.node-head .caret{width:14px;color:var(--muted);font-size:11px;flex:none}
.node-head h2{margin:0;font-size:16px}
.list-desc{color:var(--muted);font-size:13px;margin-top:3px}
.list-block{border:1px solid var(--line);border-radius:10px;margin:0 12px 10px;overflow:hidden}
.node-head.sub{background:#fafbfe}
.list-name{font-weight:600;font-size:14px}
.node-body{padding:4px 12px 12px}

.task{border:1px solid var(--line);border-radius:10px;padding:11px 13px;margin-top:10px;background:#fcfdff;cursor:pointer}
.task:hover{border-color:#c7d2e5;box-shadow:0 2px 8px rgba(24,39,75,.06)}
.task.overdue{border-left:3px solid var(--danger)}
.task .title{font-weight:600;font-size:14px}
.task .detail{color:var(--muted);font-size:13px;margin-top:4px;white-space:pre-wrap}
.st{font-size:11px;padding:2px 8px;border-radius:20px;font-weight:600;white-space:nowrap}
.st.todo{background:#eef1f5;color:#5b6675}
.st.doing{background:#fff4dd;color:#a06a00}
.st.hold{background:#f3e8ff;color:#7c3aed}
.st.done{background:#e3f7ea;color:var(--ok)}
.pri{font-size:11px;font-weight:700;padding:2px 7px;border-radius:6px;white-space:nowrap}
.pri.low{background:#eef1f5;color:#5b6675}
.pri.medium{background:#e8f0ff;color:var(--brand)}
.pri.high{background:#fff0e6;color:#d97706}
.pri.urgent{background:#fde8e8;color:var(--danger)}
.chip{display:inline-block;font-size:11px;padding:1px 8px;border-radius:20px;color:#fff;white-space:nowrap}
.meta{display:flex;gap:10px;flex-wrap:wrap;align-items:center;color:var(--muted);font-size:12px;margin-top:7px}
.meta .due.over{color:var(--danger);font-weight:600}
.avatar{width:22px;height:22px;border-radius:50%;background:var(--brand);color:#fff;font-size:11px;
  display:inline-flex;align-items:center;justify-content:center;font-weight:600;flex:none}
.prog{height:5px;border-radius:4px;background:#eef1f5;overflow:hidden;width:80px;display:inline-block;vertical-align:middle}
.prog>i{display:block;height:100%;background:var(--ok)}
.files{margin-top:9px;border-top:1px dashed var(--line);padding-top:8px}
.file{display:flex;align-items:center;gap:9px;padding:6px 8px;border-radius:8px;flex-wrap:wrap}
.file:hover{background:#f2f6fd}
.file .nm{flex:1;min-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.empty{color:var(--muted);font-size:13px;padding:8px 0}
.upload{display:flex;align-items:center;gap:8px;margin-top:8px;flex-wrap:wrap}
.upload input[type=file]{width:auto;flex:1;min-width:170px;padding:6px;font-size:13px}
.upload input[type=text]{flex:1;min-width:140px}

/* board */
.board{display:flex;gap:12px;overflow-x:auto;padding-bottom:10px;align-items:flex-start}
.col{flex:0 0 270px;background:#eef1f6;border:1px solid var(--line);border-radius:12px;padding:10px}
.col h3{margin:0 0 8px;font-size:13px;display:flex;align-items:center;gap:8px;color:#445}
.col h3 .n{background:#fff;border-radius:20px;padding:1px 8px;font-size:11px;color:var(--muted)}
.col.over{outline:2px dashed var(--brand);outline-offset:-2px}
.bcard{background:#fff;border:1px solid var(--line);border-radius:9px;padding:10px;margin-bottom:8px;
  cursor:grab;box-shadow:0 1px 3px rgba(24,39,75,.05)}
.bcard:active{cursor:grabbing}
.bcard.drag{opacity:.4}
.bcard .t{font-weight:600;font-size:13px}
.bcard .sub{color:var(--muted);font-size:12px;margin-top:3px}

/* calendar */
.cal-head{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.cal{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}
.cal .dow{text-align:center;font-size:12px;color:var(--muted);padding:6px 0}
.cal .day{min-height:92px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:5px;font-size:12px}
.cal .day.out{background:#f7f8fb;color:#c2c8d4}
.cal .day.today{border-color:var(--brand);box-shadow:0 0 0 2px rgba(47,111,237,.15)}
.cal .day .dn{font-size:11px;color:var(--muted);margin-bottom:3px}
.cal .ev{display:block;font-size:11px;padding:2px 5px;border-radius:5px;margin-bottom:3px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#fff;cursor:pointer}
.cal .ev.done{opacity:.55;text-decoration:line-through}

/* gantt */
.gantt{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:#fff;box-shadow:var(--shadow)}
.gantt-in{min-width:100%}
.grow{display:flex;align-items:center;height:38px;border-bottom:1px solid var(--line)}
.grow:last-child{border-bottom:0}
.glabel{flex:0 0 220px;padding:0 12px;font-size:13px;overflow:hidden;text-overflow:ellipsis;
  white-space:nowrap;border-right:1px solid var(--line)}
.gtrack{position:relative;flex:1;height:100%}
.gbar{position:absolute;top:9px;height:20px;border-radius:6px;background:var(--brand);color:#fff;
  font-size:11px;line-height:20px;padding:0 6px;overflow:hidden;white-space:nowrap;cursor:pointer;opacity:.92}
.gbar.done{background:var(--ok)}.gbar.hold{background:#8b5cf6}
.gbar.overdue{background:var(--danger)}
.gaxis{display:flex;height:30px;border-bottom:1px solid var(--line);background:#fafbfe;position:sticky;top:0}
.gaxis .gcell{flex:0 0 34px;font-size:10px;color:var(--muted);text-align:center;
  border-right:1px solid #eef1f6;padding-top:8px}
.glabel.head{font-weight:600;background:#fafbfe}

/* dashboard */
.dash-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.dash-bars{display:flex;flex-direction:column;gap:9px}
.dbar{display:flex;align-items:center;gap:10px;font-size:13px}
.dbar .k{flex:0 0 90px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dbar .track{flex:1;height:16px;background:#eef1f5;border-radius:6px;overflow:hidden}
.dbar .track>i{display:block;height:100%;background:var(--brand);border-radius:6px}
.dbar .v{flex:0 0 42px;text-align:right;font-weight:600}

/* activity */
.act{display:flex;gap:10px;padding:11px 0;border-bottom:1px solid var(--line)}
.act:last-child{border-bottom:0}
.act .dot{width:8px;height:8px;border-radius:50%;background:var(--brand);margin-top:6px;flex:none}
.act .body{flex:1;min-width:0}
.act .who{font-weight:600}
.act .body .txt{white-space:pre-wrap;word-break:break-word}
.act .at{color:var(--muted);font-size:12px;margin-top:2px}
.mention{color:var(--brand);font-weight:600;background:#e8f0ff;border-radius:4px;padding:0 3px}

table{width:100%;border-collapse:collapse;font-size:13px}
th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line)}
th{color:var(--muted);font-weight:600;font-size:12px}
.tbl-wrap{overflow-x:auto}

.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.info{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px;box-shadow:var(--shadow)}
.info .k{color:var(--muted);font-size:12px;margin-bottom:5px}
.info .v{font-size:15px;font-weight:600;word-break:break-all}
.bar{height:8px;border-radius:6px;background:#eef1f5;overflow:hidden;margin-top:8px}
.bar>i{display:block;height:100%;background:var(--brand);border-radius:6px}
.bar>i.warn{background:var(--warn)}.bar>i.danger{background:var(--danger)}.bar>i.ok{background:var(--ok)}
.dot2{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:5px}
.dot2.on{background:var(--ok)}.dot2.off{background:var(--danger)}

/* modal / drawer */
.overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(20,30,50,.45);display:flex;
  z-index:1000;padding:20px;overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain}
.modal{background:#fff;border-radius:14px;width:100%;max-width:460px;padding:22px;box-shadow:var(--shadow);margin:auto}
.modal.wide{max-width:760px;padding:0;overflow:hidden}
.modal h3{margin:0 0 16px;font-size:17px}
.modal .actions{display:flex;justify-content:flex-end;gap:8px;margin-top:20px}
.divider{height:1px;background:var(--line);margin:18px 0}
.dhead{padding:18px 22px 12px;border-bottom:1px solid var(--line);display:flex;gap:10px;align-items:flex-start}
.dhead .spacer{flex:1}
.dbody{padding:16px 22px 22px;max-height:72vh;overflow-y:auto}
.dgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px 16px;margin-bottom:14px}
.dgrid .f label{display:block;font-size:12px;color:var(--muted);margin-bottom:4px}
.dsec{margin-top:18px}
.dsec h4{margin:0 0 8px;font-size:14px;display:flex;align-items:center;gap:8px}
.subitem{display:flex;align-items:center;gap:9px;padding:5px 0}
.subitem input[type=checkbox]{width:auto}
.subitem .strike{text-decoration:line-through;color:var(--muted)}
.timeline{margin-top:6px}
.tl{display:flex;gap:10px;padding:8px 0;border-bottom:1px dashed var(--line)}
.tl:last-child{border-bottom:0}
.tl .av{width:26px;height:26px;border-radius:50%;background:#dbe4f3;color:#395;font-size:11px;
  display:flex;align-items:center;justify-content:center;font-weight:600;flex:none;color:#4a5a75}
.tl .c{flex:1;min-width:0}
.tl .c .txt{white-space:pre-wrap;word-break:break-word}
.tl .c .at{color:var(--muted);font-size:11px;margin-top:2px}
.tl.sys .c .txt{color:var(--muted);font-size:13px}
.composer{display:flex;gap:8px;margin-top:10px;align-items:flex-start}
.composer textarea{flex:1;min-height:40px}

#toast{position:fixed;left:50%;bottom:30px;transform:translateX(-50%);z-index:2000;
  display:flex;flex-direction:column;gap:8px;align-items:center}
.toast{background:#1f2733;color:#fff;padding:10px 18px;border-radius:9px;font-size:13px;
  box-shadow:var(--shadow);animation:up .2s}
.toast.error{background:var(--danger)}
.toast.ok{background:var(--ok)}
@keyframes up{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

@media(max-width:900px){.dash-grid{grid-template-columns:1fr}}
@media(max-width:820px){.info-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){
  .header-in{flex-wrap:wrap;gap:8px;padding:10px 14px}
  .logo{font-size:15px}
  .who{order:9;flex:1 0 100%;text-align:left;font-size:12px;line-height:1.4}
  .header-in button{padding:5px 10px;font-size:12px}
  main{padding:16px 14px 80px}
  .card{padding:14px}
  .stats{grid-template-columns:repeat(3,1fr);gap:8px}
  .stat .num{font-size:17px}
  .list-block{margin:0 8px 10px}
  .node-body{padding:4px 8px 10px}
  .upload input[type=file],.upload input[type=text]{min-width:0;flex:1 0 100%}
  .upload button{flex:1 0 100%}
  .filters select,.filters input{min-width:0;flex:1 1 44%}
  .search{max-width:none;flex:1 1 100%}
  .tabs-in{padding:0 12px}
  .tab{padding:11px 12px;font-size:13px}
  .file .nm{min-width:0}
  .file .muted{flex-basis:100%}
  .dgrid{grid-template-columns:1fr}
  .info-grid{grid-template-columns:1fr}
  .modal{padding:18px}
  .modal.wide{padding:0}
  .dhead{padding:14px 16px 10px}
  .dbody{padding:14px 16px 18px;max-height:66vh}
  .glabel{flex-basis:120px;font-size:12px}
}
@supports(padding: env(safe-area-inset-top)){
  header{padding-top: env(safe-area-inset-top)}
  #toast{bottom: calc(30px + env(safe-area-inset-bottom))}
}

/* ===== dark mode ===== */
html.dark{
  --bg:#12161f; --card:#1b2230; --line:#2b3446; --text:#e6ebf5; --muted:#93a0b5;
  --brand:#4f8bff; --brand-d:#3d74e6; --shadow:0 6px 20px rgba(0,0,0,.35);
}
html.dark body{background:var(--bg)}
html.dark input,html.dark textarea,html.dark select{background:#141b27;color:var(--text);border-color:var(--line)}
html.dark button{background:#212b3d;color:var(--text);border-color:var(--line)}
html.dark button:hover{background:#28344a}
html.dark button.primary{background:var(--brand);border-color:var(--brand);color:#fff}
html.dark button.danger{color:#ff7a7d;border-color:#5a2b2e}
html.dark .col{background:#161d29}
html.dark .bcard,html.dark .task{background:#1b2230}
html.dark .node-head:hover{background:#202a3b}
html.dark .node-head.sub{background:#182030}
html.dark .cal .day{background:#1b2230}
html.dark .cal .day.out{background:#151b26;color:#4b566b}
html.dark .gantt{background:#1b2230}
html.dark .gaxis{background:#182030}
html.dark .filters,html.dark .seg,html.dark .seg button{background:#1b2230}
html.dark .seg button.active{background:var(--brand);color:#fff}
html.dark .prog,html.dark .bar,html.dark .dbar .track{background:#2b3446}
html.dark .modal,html.dark .login-card{background:var(--card)}
html.dark .tl .av{background:#2b3446;color:#aab6c8}
html.dark .panel{background:#1b2230}
html.dark .panel .nitem:hover{background:#232e42}
html.dark .palette{background:#1b2230}
html.dark .palette input{background:#141b27}
html.dark .palette .sitem:hover{background:#232e42}
html.dark .bulkbar{background:#1b2230}
html.dark .thumb{background:#141b27}
html.dark .mention{background:#233457;color:#9cc0ff}
html.dark .badge.member{background:#2b3446;color:#aab6c8}
html.dark .badge.admin{background:#233457;color:#9cc0ff}
html.dark .badge.superadmin{background:#4a3a12;color:#ffd479}
html.dark .st.todo{background:#2b3446;color:#aab6c8}
html.dark .st.doing{background:#4a3a12;color:#ffd479}
html.dark .st.hold{background:#33244d;color:#c9a8ff}
html.dark .st.done{background:#12331f;color:#6ee7a0}
html.dark .pri.low{background:#2b3446;color:#aab6c8}
html.dark .pri.medium{background:#233457;color:#9cc0ff}
html.dark .pri.high{background:#4a2f12;color:#ffb26b}
html.dark .pri.urgent{background:#4a1f22;color:#ff8a8d}

/* ===== new components ===== */
.iconbtn{position:relative;display:inline-flex;align-items:center;justify-content:center;width:34px;height:32px;padding:0}
.iconbtn .badge-dot{position:absolute;top:-3px;right:-3px;min-width:16px;height:16px;border-radius:9px;
  background:var(--danger);color:#fff;font-size:10px;line-height:16px;text-align:center;padding:0 4px;font-weight:700}
.panel{position:fixed;top:60px;right:16px;width:340px;max-width:calc(100vw - 32px);max-height:70vh;overflow-y:auto;
  background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);z-index:900}
.panel h4{margin:0;padding:12px 14px;border-bottom:1px solid var(--line);font-size:14px;display:flex;align-items:center;gap:8px}
.panel .nitem{padding:10px 14px;border-bottom:1px solid var(--line);cursor:pointer;font-size:13px}
.panel .nitem:hover{background:#f6f9ff}
.panel .nitem.unread{background:#eef4ff}
.panel .nitem .meta2{color:var(--muted);font-size:11px;margin-top:3px}
.palette-wrap{position:fixed;inset:0;background:rgba(20,30,50,.4);z-index:1200;display:flex;justify-content:center;
  padding-top:12vh;overflow-y:auto}
.palette{background:#fff;border-radius:12px;width:100%;max-width:560px;max-height:70vh;overflow-y:auto;
  box-shadow:var(--shadow);align-self:flex-start}
.palette input{width:100%;border:0;border-bottom:1px solid var(--line);border-radius:0;padding:14px 16px;font-size:15px}
.palette input:focus{box-shadow:none;border-color:var(--line)}
.palette .sitem{padding:10px 16px;border-bottom:1px solid var(--line);cursor:pointer;font-size:13px;display:flex;gap:8px;align-items:center}
.palette .sitem:hover{background:#f6f9ff}
.palette .sitem .kind{font-size:11px;color:#fff;background:var(--muted);border-radius:5px;padding:1px 6px}
.palette .sitem .kind.t{background:var(--brand)}
.palette .sitem .kind.p{background:var(--ok)}
.palette .sitem .kind.f{background:var(--warn)}
.bulkbar{position:sticky;top:56px;z-index:15;background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:9px 12px;margin-bottom:12px;display:flex;gap:8px;align-items:center;flex-wrap:wrap;box-shadow:var(--shadow)}
.bulkbar select{width:auto;min-width:120px;padding:5px 8px;font-size:13px}
.tk{display:flex;align-items:flex-start;gap:8px}
.tk input[type=checkbox]{width:auto;margin-top:4px}
.timer{display:inline-flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums;font-weight:600;color:var(--brand)}
.thumb{width:96px;height:72px;object-fit:cover;border-radius:8px;border:1px solid var(--line);background:#f2f5fa;cursor:pointer}
.md{white-space:normal;word-break:break-word}
.md pre{background:#f4f6fb;border:1px solid var(--line);border-radius:8px;padding:8px 10px;overflow-x:auto;font-size:12px}
.md code{background:#eef1f6;border-radius:4px;padding:1px 5px;font-size:12px}
.md ul{margin:6px 0;padding-left:22px}
.md h3,.md h4{margin:8px 0 4px}
html.dark .md pre{background:#141b27}
html.dark .md code{background:#2b3446}
.viewchips{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:10px}
.viewchip{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:20px;
  padding:4px 10px;font-size:12px;cursor:pointer;background:#fff}
.viewchip:hover{border-color:var(--brand)}
.viewchip .x{color:var(--muted);font-weight:700}
.viewchip .x:hover{color:var(--danger)}
.dep-item{display:flex;align-items:center;gap:8px;padding:4px 0;font-size:13px}

/* ===== avatars / members / library / posts ===== */
html.dark .viewchip{background:#1b2230}
html.dark .crumbs{background:#1b2230}
html.dark .fcard{background:#1b2230}
html.dark .post{background:#1b2230}
html.dark .pimg{background:#141b27}
html.dark .composer-box{background:#141b27}
html.dark .mcard{background:#1b2230}

.avimg{width:30px;height:30px;border-radius:50%;object-fit:cover;background:var(--brand);flex:none;display:inline-block}
.avimg.lg{width:72px;height:72px}
.avimg.sm{width:24px;height:24px}
.avimg.txt{display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:13px;font-weight:600}
.mgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}
.mcard{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;box-shadow:var(--shadow);
  display:flex;gap:12px;align-items:flex-start}
.mcard .info2{flex:1;min-width:0}
.mcard .nm2{font-weight:600;font-size:15px}
.mcard .pos2{color:var(--muted);font-size:12px;margin-top:2px}
.mcard .bio2{color:var(--muted);font-size:12px;margin-top:8px;white-space:pre-wrap;word-break:break-word}
.mcard .contact{font-size:12px;color:var(--muted);margin-top:6px;word-break:break-all}

.crumbs{display:flex;align-items:center;gap:6px;flex-wrap:wrap;background:var(--card);border:1px solid var(--line);
  border-radius:10px;padding:9px 12px;margin-bottom:12px;box-shadow:var(--shadow);font-size:13px}
.crumbs a{cursor:pointer;color:var(--brand)}
.folder-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:10px;margin-bottom:14px}
.fcard{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px;display:flex;align-items:center;gap:9px;
  cursor:pointer;box-shadow:var(--shadow)}
.fcard:hover{border-color:var(--brand)}
.fcard .fname{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}

.posts{max-width:720px;margin:0 auto}
.post{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:14px;box-shadow:var(--shadow)}
.post .head{display:flex;gap:10px;align-items:center;margin-bottom:8px}
.post .head .who2{font-weight:600}
.post .head .at2{color:var(--muted);font-size:12px}
.post .pbody{white-space:pre-wrap;word-break:break-word;line-height:1.6}
.post .imgs{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.post .pimg{max-width:180px;max-height:180px;border-radius:10px;border:1px solid var(--line);cursor:pointer;background:#f2f5fa}
.post .pactions{display:flex;gap:14px;margin-top:10px;color:var(--muted);font-size:13px}
.post .pactions span{cursor:pointer}
.post .pactions span:hover{color:var(--brand)}
.post .pcomments{margin-top:10px;border-top:1px solid var(--line);padding-top:10px}
.post .pcomment{display:flex;gap:8px;padding:4px 0;font-size:13px}
.composer-box{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:16px;box-shadow:var(--shadow)}
.composer-box textarea{min-height:60px}

/* ===== explicit dark top bars + color-scheme ===== */
:root{color-scheme:light}
html.dark{color-scheme:dark}
html.dark header,html.dark .tabs{background:var(--card)}
html.dark header{border-bottom-color:var(--line)}
html.dark .logo{color:var(--text)}

/* ===== mobile polish ===== */
@media(max-width:520px){
  .header-in{gap:6px;padding:8px 10px}
  .logo{font-size:14px}
  .header-in button{padding:4px 8px;font-size:11px}
  .iconbtn{width:30px;height:28px}
  .who{font-size:11px}
  .tabs-in{padding:0 8px;gap:0}
  .tab{padding:10px 9px;font-size:12.5px}
  main{padding:12px 10px 76px}
  .card{padding:12px;border-radius:10px;margin-bottom:12px}
  .stats{gap:6px}
  .stat{padding:9px 4px;border-radius:9px}
  .stat .num{font-size:16px}
  .stat .lbl{font-size:10.5px}
  .toolbar{gap:6px}
  .toolbar h2{font-size:15px}
  .filters{padding:8px;gap:6px}
  .filters select,.filters input{font-size:12.5px;padding:6px 8px}
  .seg button{padding:5px 9px;font-size:12px}
  .node-head{padding:10px 10px}
  .list-block{margin:0 6px 8px}
  .node-body{padding:4px 6px 8px}
  .task{padding:10px}
  .bcard{padding:9px}
  .col{flex:0 0 78vw}
  .modal{padding:16px;border-radius:12px}
  .modal.wide{padding:0}
  .dhead{padding:12px 14px 10px}
  .dbody{padding:12px 14px 16px;max-height:72vh}
  .overlay{padding:10px}
  .posts{max-width:100%}
  .pimg{max-width:120px;max-height:120px}
  .avimg.lg{width:56px;height:56px}
  .mcard{padding:12px}
  .panel{right:8px;width:calc(100vw - 16px)}
}

#boot-loader{position:fixed;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;z-index:50}
.spinner{width:34px;height:34px;border:3px solid var(--line);border-top-color:var(--brand);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}