*{box-sizing:border-box}
:root{--blue:#2563eb;--bg:#fff;--muted:#6b7280;--line:#e5e7eb;--me:#2563eb;--them:#f1f2f6;--bot:#fef3c7}
html,body{margin:0;height:100%;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;color:#111;background:var(--bg)}
body{overscroll-behavior:none}
#app{height:100dvh;display:flex;flex-direction:column}
button{font:inherit;cursor:pointer;border:0;border-radius:10px;padding:10px 14px;background:var(--blue);color:#fff}
button.ghost{background:transparent;color:var(--blue);padding:8px}
input,textarea{font:inherit;font-size:16px;padding:10px 12px;border:1px solid var(--line);border-radius:10px;width:100%}
.auth{max-width:380px;margin:auto;padding:24px;width:100%}
.auth h1{color:var(--blue);margin:0 0 4px}.auth form{display:flex;flex-direction:column;gap:10px;margin-top:16px}
.err{color:#b91c1c;font-size:14px;min-height:1em}.hint{color:var(--muted);font-size:13px}
header.bar{display:flex;align-items:center;gap:8px;padding:10px 12px;padding-top:max(10px,env(safe-area-inset-top));border-bottom:1px solid var(--line);background:#fff}
header.bar h2{flex:1;margin:0;font-size:18px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.list{flex:1;overflow-y:auto}
.gitem{display:flex;gap:12px;padding:12px 14px;border-bottom:1px solid #f3f4f6;align-items:center;cursor:pointer}
.av{width:44px;height:44px;border-radius:50%;background:#dbeafe;color:var(--blue);display:flex;align-items:center;justify-content:center;font-weight:700;flex:none}
.gitem .t{flex:1;min-width:0}.gitem b{display:block}.gitem small{color:var(--muted);display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.gitem.unread b,.gitem.unread small{color:#000;font-weight:700}
.badge{background:#f59e0b;color:#fff;border-radius:10px;padding:2px 7px;font-size:12px}
.msgs{flex:1;overflow-y:auto;padding:10px 10px 4px;display:flex;flex-direction:column;gap:2px;-webkit-overflow-scrolling:touch}
.day{align-self:center;color:var(--muted);font-size:12px;margin:10px 0 4px}
.m{max-width:78%;display:flex;flex-direction:column;align-items:flex-start}
.m.me{align-self:flex-end;align-items:flex-end}
.m .who{font-size:12px;color:var(--muted);margin:6px 10px 1px}
.m .bub{background:var(--them);padding:8px 12px;border-radius:18px;white-space:pre-wrap;word-wrap:break-word;overflow-wrap:anywhere}
.m.me .bub{background:var(--me);color:#fff}.m.bot .bub{background:var(--bot)}
.m img{max-width:240px;max-height:320px;border-radius:14px;margin-top:2px;display:block;cursor:zoom-in}
.m .time{font-size:11px;color:var(--muted);margin:1px 10px 0;display:none}.m:hover .time,.m.showtime .time{display:block}
.loading{text-align:center;color:var(--muted);font-size:13px;padding:6px}
form.composer{display:flex;gap:6px;align-items:flex-end;padding:8px;padding-bottom:max(8px,env(safe-area-inset-bottom));border-top:1px solid var(--line)}
form.composer textarea{resize:none;max-height:120px;border-radius:20px;padding:9px 14px}
form.composer button{border-radius:50%;width:42px;height:42px;padding:0;flex:none}
.preview{padding:6px 10px;display:flex;gap:8px;align-items:center;font-size:13px}.preview img{height:56px;border-radius:8px}
.panel{position:fixed;inset:0;background:rgba(0,0,0,.35);display:flex;justify-content:flex-end;z-index:10}
.panel>div{background:#fff;width:min(420px,100%);height:100%;overflow-y:auto;padding:16px;padding-top:max(16px,env(safe-area-inset-top))}
.panel h3{margin:18px 0 8px}
.task{border:1px solid var(--line);border-radius:12px;padding:10px;margin-bottom:8px}
.task.done{opacity:.55}.task.done .d{text-decoration:line-through}
.task .meta{font-size:12px;color:var(--muted);margin-top:4px}.task .late{color:#b91c1c;font-weight:600}
.row{display:flex;gap:8px}.member{padding:6px 0;font-size:14px}
.lightbox{position:fixed;inset:0;background:#000d;display:flex;align-items:center;justify-content:center;z-index:20}.lightbox img{max-width:100%;max-height:100%}
.banner{background:#eff6ff;color:#1e40af;font-size:13px;padding:8px 12px;display:flex;gap:8px;align-items:center}
.banner span{flex:1}
@media(min-width:900px){#app{max-width:820px;margin:0 auto;border-left:1px solid var(--line);border-right:1px solid var(--line)}}
.cal{max-width:300px;margin:8px auto 4px}
.calh{display:flex;align-items:center;justify-content:space-between}.calh b{font-size:15px}.calh .ghost{font-size:22px;padding:2px 12px}
.calg{display:grid;grid-template-columns:repeat(7,1fr);gap:2px;text-align:center}
.dow{font-size:11px;color:var(--muted);padding:2px 0}
.cd{background:none;color:#111;padding:2px 0;border-radius:0;display:flex;justify-content:center}
.cd i{font-style:normal;width:34px;height:34px;display:flex;align-items:center;justify-content:center;border-radius:50%;font-size:14px;border:2px solid transparent;box-sizing:border-box}
.cd.new i{border-color:#16a34a}.cd.due i{border-color:#dc2626}
.cd.both i{transform:none;border-top-color:#16a34a;border-left-color:#16a34a;border-right-color:#dc2626;border-bottom-color:#dc2626}
.cd.today i{font-weight:700;color:var(--blue)}.cd.sel i{background:#dbeafe}
.legend{display:flex;gap:12px;justify-content:center;font-size:11px;color:var(--muted);margin-top:4px}
.lg{display:inline-block;width:10px;height:10px;border-radius:50%;border:2px solid;margin-right:3px;vertical-align:-1px}
.lg.new{border-color:#16a34a}.lg.due{border-color:#dc2626}.lg.both{border-color:#16a34a #dc2626 #dc2626 #16a34a}
.selday{background:#f8fafc;border:1px solid var(--line);border-radius:12px;padding:8px 10px;margin-top:8px}
.task.overdue{border-color:#fca5a5;background:#fef2f2}
.seg{display:flex;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.seg button{background:#fff;color:#374151;border-radius:0;padding:5px 9px;font-size:12px}.seg button.on{background:var(--blue);color:#fff}
.tag{font-size:11px;font-weight:500;color:#6b7280;background:#f3f4f6;border-radius:8px;padding:1px 6px;margin-left:4px;white-space:nowrap}
.adm{font-size:11px;color:#fff;background:#7c3aed;border-radius:8px;padding:2px 6px;vertical-align:middle}
.fcard{display:flex;gap:10px;align-items:center;background:var(--them);border:1px solid var(--line);border-radius:14px;padding:10px 12px;margin-top:2px;text-decoration:none;color:#111;max-width:280px}
.m.me .fcard{background:#eff6ff;border-color:#bfdbfe}
.fcard .ficon,.preview .ficon{font-size:26px;line-height:1}.fcard .fmeta{min-width:0;display:flex;flex-direction:column}
.fcard b{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.fcard small{color:var(--muted);font-size:12px}
#toast{position:fixed;left:50%;bottom:90px;transform:translateX(-50%);background:#111827;color:#fff;padding:10px 14px;border-radius:12px;font-size:14px;z-index:50;opacity:0;pointer-events:none;transition:opacity .2s;max-width:90%}
#toast.show{opacity:1}
.badge.unreadb{background:#dc2626;margin-left:4px}
.task .del{padding:2px 6px;font-size:16px;align-self:flex-start;flex:none;opacity:.7}.task .del:hover{opacity:1}
.chips{display:flex;flex-wrap:wrap;gap:6px}.chip{border:1px solid var(--line);border-radius:16px;padding:6px 10px;font-size:14px;display:flex;gap:6px;align-items:center;cursor:pointer}
.chip input{width:auto;margin:0}.chip:has(input:checked){background:#dbeafe;border-color:#93c5fd}
.dupw{background:#fffbeb;border:1px solid #fcd34d;color:#92400e;border-radius:10px;padding:10px;font-size:14px}
.subj{font-weight:700;font-size:14px;margin-bottom:2px;overflow-wrap:anywhere}.subj.big{font-size:18px;margin:12px 0 6px}
.task .d,.tdtext{white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word}.tdtext{font-size:15px;line-height:1.45;margin:6px 0 10px}
.task[data-open]{cursor:pointer}.task[data-open]:hover{border-color:#93c5fd}
.kvs{border:1px solid var(--line);border-radius:12px;padding:6px 10px}.kv{display:flex;gap:10px;padding:5px 0;border-bottom:1px solid #f3f4f6;font-size:14px}.kv:last-child{border:0}
.kv>span{width:76px;flex:none;color:var(--muted)}.kv>div{min-width:0;overflow-wrap:anywhere}
.srcmsg{background:var(--them);border-radius:12px;padding:8px 10px;font-size:14px;overflow-wrap:anywhere}.srcmsg div{white-space:pre-wrap;margin:4px 0}
.thumbs{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:6px}.thumb{width:84px;height:84px;object-fit:cover;border-radius:10px;cursor:zoom-in;border:1px solid var(--line)}
.hist>div{padding:6px 0;border-bottom:1px solid #f3f4f6;font-size:13px}.tlink{word-break:break-all}
.pick{display:flex;align-items:center;gap:6px;margin-top:4px}.pick img{width:36px;height:36px;object-fit:cover;border-radius:6px}
.m.flash .bub{outline:3px solid #f59e0b}
#tdp{z-index:15}#ntp{z-index:15}
#tdp>div,.hist,.kv>div,.srcmsg{overflow-wrap:anywhere;word-break:break-word}