:root{
  --bg:#f5f6f8; --card:#fff; --ink:#1d2430; --muted:#7a8494;
  --line:#e6e9ef; --accent:#2f6fed; --ok:#1f9d63; --bad:#e05151;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Helvetica Neue",Arial,sans-serif}
.wrap{max-width:760px;margin:0 auto;padding:20px 16px 60px}
header h1{font-size:22px;margin:6px 0 4px;display:flex;align-items:center;gap:10px}
.pill{font-size:11px;padding:3px 8px;border-radius:99px;background:#e9edf3;color:#6b7688;font-weight:400}
.pill.on{background:#e3f7ec;color:#1f7d52}
.pill.err{background:#ffe9e9;color:#b52d2d}
.sub{color:var(--muted);font-size:13px}
.stats{display:flex;gap:10px;margin:14px 0 10px}
.stat{flex:1;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px 12px}
.stat b{display:block;font-size:20px}
.stat span{color:var(--muted);font-size:12px}
.bar{height:8px;background:#e9edf3;border-radius:99px;overflow:hidden;margin:8px 0 18px}
.bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,#4c8dff,#1f9d63);transition:width .3s}
form.add{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
form.add input[type=text]{flex:1;min-width:180px;padding:11px 12px;border:1px solid var(--line);
  border-radius:10px;font-size:15px;background:var(--card)}
input[type=date]{padding:9px 10px;border:1px solid var(--line);border-radius:10px;
  background:var(--card);font-size:13px;color:var(--muted);font-family:inherit}
select{padding:10px;border:1px solid var(--line);border-radius:10px;background:var(--card);font-size:14px}
button{border:0;border-radius:10px;padding:11px 16px;background:var(--accent);color:#fff;font-size:15px;cursor:pointer}
button.ghost{background:#5a6474}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:6px 0 14px}
.chip{padding:6px 12px;border-radius:99px;border:1px solid var(--line);background:var(--card);
  font-size:13px;color:var(--muted);cursor:pointer;user-select:none}
.chip.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.chip span{opacity:.6;font-size:12px;margin-left:3px}
ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
li.task{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px 14px;
  display:flex;gap:12px;align-items:flex-start}
li.task.done{opacity:.55}
li.task.done .t{text-decoration:line-through}
.check{width:22px;height:22px;border-radius:50%;border:2px solid #c7ceda;flex:0 0 auto;margin-top:2px;
  cursor:pointer;display:flex;align-items:center;justify-content:center;background:#fff}
.check.on{background:var(--ok);border-color:var(--ok)}
.check.on:after{content:"";width:10px;height:6px;border-left:2px solid #fff;border-bottom:2px solid #fff;
  transform:rotate(-45deg) translateY(-1px)}
.body{flex:1;min-width:0}
.t{font-size:15px;line-height:1.45;word-break:break-word}
.meta{display:flex;gap:6px;flex-wrap:wrap;margin-top:6px}
.tag{font-size:11px;padding:2px 8px;border-radius:99px;background:#eef1f6;color:#5a6474}
.tag.P0{background:#ffe9e9;color:#c93b3b}
.tag.P1{background:#fff2df;color:#b87900}
.tag.P2{background:#e8f0ff;color:#2f6fed}
.tag.P3{background:#eef1f6;color:#6b7688}
.tag.due{cursor:pointer}
.tag.overdue{background:#ffe1e1;color:#b52d2d}
.tag.today{background:#fff0d6;color:#a86b00}
.tag.soon{background:#e6efff;color:#2f6fed}
.tag.none{background:#f2f4f8;color:#9aa3b2}
.detail{color:var(--muted);font-size:13px;margin-top:6px;line-height:1.5}
.del{color:#c3c9d4;cursor:pointer;font-size:18px;line-height:1;padding:2px 4px}
.del:hover{color:var(--bad)}
.foot{margin-top:26px;color:var(--muted);font-size:12px;line-height:1.7}
.foot code{background:#eef1f6;padding:1px 6px;border-radius:6px}
.urlbox{display:flex;gap:8px;align-items:center;margin-top:8px;flex-wrap:wrap}
.urlbox input{flex:1;min-width:200px;padding:8px 10px;border:1px solid var(--line);border-radius:8px;
  font-size:12px;color:var(--muted);background:#fff}
.empty{text-align:center;color:var(--muted);padding:40px 0}
details.panel{background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:10px 14px;margin-top:16px}
details.panel summary{cursor:pointer;font-size:13px;color:var(--ink)}
.field{display:flex;flex-direction:column;gap:4px;margin-top:10px}
.field label{font-size:12px;color:var(--muted)}
.field input{padding:9px 10px;border:1px solid var(--line);border-radius:8px;font-size:12px;font-family:inherit}
.row{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.row button{padding:8px 12px;font-size:13px}
#syncMsg{font-size:12px;color:var(--muted);margin-top:10px;line-height:1.6;word-break:break-all}
.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);
  background:#1d2430;color:#fff;padding:10px 16px;border-radius:99px;font-size:13px;
  opacity:0;pointer-events:none;transition:opacity .28s,transform .28s;z-index:99;
  max-width:80vw;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.toast.show{opacity:1;transform:translate(-50%,0)}
@keyframes checkPop{0%{transform:scale(.6)}60%{transform:scale(1.18)}100%{transform:scale(1)}}
.check.pop{animation:checkPop .35s ease}
@keyframes doneIn{0%{background:#e3f7ec}100%{background:#fff}}
li.task.just-done{animation:doneIn .9s ease}
@media (max-width:520px){ .stats{gap:8px} .stat b{font-size:17px} .wrap{padding:14px 12px 50px} }