:root{
  --bg:#0a0e14; --panel:#0f1520; --panel2:#141c28; --panel3:#1a2331;
  --line:#222d3d; --line2:#2c3a4d;
  --tx:#e9f1fa; --sub:#8ea0b6; --dim:#5f7288;
  --ac:#35e0c8; --ac2:#5ad1ff; --gold:#f6c05a; --violet:#c084fc; --rose:#ff7d94; --green:#6ee7a8;
  --bub:#1a2331; --bub2:#16202c;
  --r:16px;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  /* 安全区：iPhone 刘海/home 条。测试时可用 JS 覆写这两个变量模拟真机 */
  --sat:env(safe-area-inset-top,0px);
  --sab:env(safe-area-inset-bottom,0px);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%;overflow:hidden;background:var(--bg);color:var(--tx);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:14px;line-height:1.55}
button,input,textarea{font-family:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
a{color:var(--ac2);text-decoration:none}
.hidden{display:none!important}

/* ===== 启动 ===== */
.boot{position:fixed;inset:0;z-index:99;background:#080c12;display:flex;align-items:center;justify-content:center;transition:opacity .35s,visibility .35s}
.boot.off{opacity:0;visibility:hidden}
.boot-in{text-align:center}
.boot-logo{width:64px;height:64px;margin:0 auto 16px;position:relative}
.boot-logo i{position:absolute;width:17px;height:17px;border-radius:50%;background:var(--ac);box-shadow:0 0 18px rgba(53,224,200,.6);animation:bl 1.2s ease-in-out infinite}
.boot-logo i:nth-child(1){left:23px;top:4px;background:var(--ac)}
.boot-logo i:nth-child(2){left:6px;top:35px;background:var(--ac2);animation-delay:.18s}
.boot-logo i:nth-child(3){right:6px;top:35px;background:var(--gold);animation-delay:.36s}
@keyframes bl{50%{transform:translateY(-4px) scale(1.12)}}
.boot-t{font-size:17px;font-weight:700;letter-spacing:3px}
.boot-s{color:var(--dim);font-size:11px;margin-top:6px}

/* ===== 骨架 ===== */
.app{display:grid;grid-template-columns:252px minmax(0,1fr) 268px;height:100dvh;min-height:0}
.app.no-aside{grid-template-columns:252px minmax(0,1fr)}

/* ===== 左栏 ===== */
.rail{background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0}
.rail-top{display:flex;align-items:center;gap:8px;padding:calc(14px + var(--sat)) 14px 10px}
.brand{display:flex;align-items:center;gap:9px;min-width:0}
.seal{position:relative;width:32px;height:32px;flex:0 0 32px;border-radius:10px;background:linear-gradient(150deg,#13212e,#0d1620);border:1px solid #26404a;display:block}
.seal i{position:absolute;width:6px;height:6px;border-radius:50%}
.seal i:nth-child(1){left:13px;top:7px;background:var(--ac);box-shadow:0 0 8px var(--ac)}
.seal i:nth-child(2){left:7px;top:19px;background:var(--ac2);box-shadow:0 0 8px var(--ac2)}
.seal i:nth-child(3){right:7px;top:19px;background:var(--gold);box-shadow:0 0 8px var(--gold)}
.brand b{display:block;font-size:14px;letter-spacing:.5px;white-space:nowrap}
.brand em{display:block;font:8px/1.3 var(--mono);color:var(--dim);letter-spacing:1.6px;font-style:normal}
.ico{width:32px;height:32px;border-radius:9px;border:1px solid var(--line);background:var(--panel2);color:var(--sub);font-size:15px;line-height:1;display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto}
.ico:hover{color:var(--ac);border-color:#2f5a5c}
#btnNew{margin-left:auto;font-size:19px;color:var(--ac);border-color:#2b5450;background:#11211f}
.rail-search{padding:0 12px 8px}
.rail-search input{width:100%;height:34px;background:#0b111a;border:1px solid var(--line);border-radius:9px;padding:0 11px;font-size:12px;outline:none}
.rail-search input:focus{border-color:#2f5a5c}
.rail-list{flex:1 1 auto;overflow-y:auto;padding:4px 8px 10px;display:flex;flex-direction:column;gap:3px}
.hv{display:flex;gap:9px;align-items:center;padding:9px 10px;border-radius:11px;cursor:pointer;border:1px solid transparent}
.hv:hover{background:#131b26}
.hv.on{background:#16232a;border-color:#27514f}
.hv-av{width:30px;height:30px;flex:0 0 30px;border-radius:9px;display:grid;place-items:center;font-size:14px;background:#1b2735;color:var(--ac)}
.hv-tx{min-width:0;flex:1 1 auto}
.hv-tx b{display:block;font-size:12.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hv-tx i{display:block;font:9px/1.4 var(--mono);color:var(--dim);font-style:normal;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}
.hv-n{flex:0 0 auto;font:9px var(--mono);color:var(--dim)}
.rail-foot{padding:7px 10px calc(3px + var(--sab));border-top:1px solid var(--line);display:flex;gap:6px}
.rail-btn{flex:1 1 auto;font-size:10.5px;color:var(--sub);border:1px solid var(--line);border-radius:8px;padding:7px 0;background:#0d141d}
.rail-btn:hover{color:var(--ac);border-color:#2f5a5c}

/* ===== 中：群聊 ===== */
.main{display:flex;flex-direction:column;min-width:0;min-height:0;background:
  radial-gradient(760px 420px at 12% -6%,rgba(53,224,200,.055),transparent 60%),
  radial-gradient(620px 380px at 92% 4%,rgba(90,209,255,.045),transparent 60%),var(--bg)}
.hive-head{flex:0 0 auto;display:flex;align-items:center;gap:10px;padding:calc(11px + var(--sat)) 16px 11px;border-bottom:1px solid var(--line);background:rgba(10,14,20,.86);backdrop-filter:blur(12px)}
.hive-id{min-width:0;flex:1 1 auto}
.hive-id b{display:block;font-size:14.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hive-id span{display:block;font-size:10.5px;color:var(--dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:1px}
.hive-act{display:flex;gap:6px;flex:0 0 auto}
.thread-bar{flex:0 0 auto;display:flex;align-items:center;gap:6px;padding:7px 16px;border-bottom:1px solid var(--line);overflow-x:auto;overflow-y:hidden;scrollbar-width:none;background:#0b1119}
.thread-bar::-webkit-scrollbar{display:none}
.th{flex:0 0 auto;line-height:1.5;font-size:11px;color:var(--sub);border:1px solid var(--line);border-radius:16px;padding:4px 11px;background:#0e1620;white-space:nowrap}
.th.on{color:var(--ac);border-color:#2f6a64;background:#10211f}
.th.add{color:var(--ac2);border-style:dashed}

.stream{flex:1 1 auto;overflow-y:auto;overflow-x:hidden;padding:16px 18px 10px;display:flex;flex-direction:column;gap:2px;scroll-behavior:smooth;
  -webkit-mask-image:linear-gradient(180deg,transparent 0,#000 16px,#000 calc(100% - 6px),transparent 100%);
  mask-image:linear-gradient(180deg,transparent 0,#000 16px,#000 calc(100% - 6px),transparent 100%)}
.stream::-webkit-scrollbar{width:6px}
.stream::-webkit-scrollbar-thumb{background:#243244;border-radius:3px}

.day{text-align:center;margin:12px 0 10px}
.day span{font:9.5px var(--mono);color:var(--dim);background:#0d141d;border:1px solid var(--line);border-radius:10px;padding:3px 10px}
.sys{text-align:center;margin:6px 0}
.sys span{font-size:10.5px;color:var(--dim);background:#0c1219;border:1px dashed var(--line);border-radius:8px;padding:4px 10px;display:inline-block;max-width:86%}

.row{display:flex;gap:9px;margin-top:10px;align-items:flex-start}
.row.me{flex-direction:row-reverse}
.av{width:34px;height:34px;flex:0 0 34px;border-radius:11px;display:grid;place-items:center;font-size:16px;background:#1b2735;border:1px solid var(--line2);position:relative}
.av .dot{position:absolute;right:-2px;bottom:-2px;width:9px;height:9px;border-radius:50%;background:var(--dim);border:2px solid var(--bg)}
.av .dot.work{background:var(--gold);box-shadow:0 0 8px var(--gold);animation:pulse 1s infinite}
.av .dot.on{background:var(--ac);box-shadow:0 0 8px var(--ac)}
@keyframes pulse{50%{opacity:.35}}
.who{min-width:0;max-width:min(720px,80%)}
.row.me .who{max-width:min(620px,84%)}
.name{display:flex;align-items:center;gap:7px;margin-bottom:4px;padding:0 3px}
.row.me .name{flex-direction:row-reverse}
.name b{font-size:11.5px;font-weight:600;color:var(--sub)}
.name i{font:8.5px var(--mono);color:var(--dim);font-style:normal;border:1px solid var(--line);border-radius:4px;padding:1px 5px}
.bub{background:var(--bub);border:1px solid var(--line);border-radius:16px;border-top-left-radius:6px;padding:10px 13px;font-size:13.5px;line-height:1.72;word-break:break-word;white-space:pre-wrap;position:relative}
.row.me .bub{background:linear-gradient(145deg,#12494b,#123c5c);border-color:#1f6d6a;border-top-left-radius:16px;border-top-right-radius:6px}
.bub .at{color:var(--ac2);font-weight:600}
.bub.think{color:var(--sub);font-size:12.5px}
.bub .cursor{display:inline-block;width:7px;height:14px;background:var(--ac);vertical-align:-2px;margin-left:2px;animation:blink .9s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.meta{display:flex;gap:8px;align-items:center;margin-top:4px;padding:0 4px;font:8.5px var(--mono);color:var(--dim)}
.row.me .meta{justify-content:flex-end}
.meta button{font:8.5px var(--mono);color:var(--dim);border:1px solid var(--line);border-radius:5px;padding:1px 6px}
.meta button:hover{color:var(--ac);border-color:#2f5a5c}

/* 交付物卡片 */
.art{background:linear-gradient(150deg,#122430,#0f1a26);border:1px solid #2b5f66;border-radius:14px;padding:12px 13px;min-width:min(560px,82vw)}
.art-h{display:flex;align-items:center;gap:8px;margin-bottom:8px}
.art-h .ai2{width:26px;height:26px;border-radius:8px;background:#14303a;display:grid;place-items:center;font-size:13px;color:var(--ac)}
.art-h b{font-size:12.5px;flex:1 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.art-h i{font:8.5px var(--mono);color:var(--dim);font-style:normal}
.art-p{font-size:12px;color:var(--sub);line-height:1.7;max-height:168px;overflow:hidden;position:relative;white-space:pre-wrap}
.art-p::after{content:'';position:absolute;left:0;right:0;bottom:0;height:40px;background:linear-gradient(transparent,#0f1922)}
.art-f{display:flex;gap:7px;margin-top:10px}
.art-b{font-size:10.5px;color:var(--ac);border:1px solid #2b5f66;border-radius:7px;padding:5px 10px;background:#10242a}
.art-b:hover{background:#143039}

/* 打字指示 */
.typing{display:flex;align-items:center;gap:8px;padding:6px 20px 8px;font-size:11px;color:var(--dim);flex:0 0 auto}
.tp-dots{display:inline-flex;gap:3px}
.tp-dots i{width:5px;height:5px;border-radius:50%;background:var(--ac);animation:tp 1.1s infinite}
.tp-dots i:nth-child(2){animation-delay:.16s}
.tp-dots i:nth-child(3){animation-delay:.32s}
@keyframes tp{0%,60%,100%{opacity:.25;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}
.typing b{color:var(--sub);font-weight:600;font-size:11px}

/* 输入区 */
.composer{flex:0 0 auto;padding:6px 16px calc(4px + var(--sab));border-top:1px solid var(--line);background:rgba(10,14,20,.94);backdrop-filter:blur(12px)}
.quick-row{display:flex;gap:6px;overflow-x:auto;padding-bottom:7px;scrollbar-width:none}
.quick-row::-webkit-scrollbar{display:none}
.qk{flex:0 0 auto;font-size:10.5px;color:var(--sub);border:1px solid var(--line);border-radius:14px;padding:4px 10px;background:#0e1620;white-space:nowrap}
.qk:hover{color:var(--ac);border-color:#2f5a5c}
.comp-box{display:flex;align-items:flex-end;gap:8px;background:#0e1620;border:1px solid var(--line2);border-radius:14px;padding:7px 8px 7px 6px}
.comp-box:focus-within{border-color:#2f6a64;box-shadow:0 0 0 3px rgba(53,224,200,.07)}
.comp-ico{width:30px;height:30px;flex:0 0 30px;border-radius:9px;color:var(--ac2);font-size:15px;background:#131e2a}
#input{flex:1 1 auto;min-height:30px;max-height:132px;background:none;border:0;outline:none;resize:none;font-size:13.5px;line-height:1.55;padding:5px 2px;color:var(--tx)}
#input::placeholder{color:var(--dim);font-size:12.5px}
@media(max-width:780px){#input::placeholder{font-size:12px}}
.comp-send{width:32px;height:30px;flex:0 0 32px;border-radius:9px;background:linear-gradient(145deg,var(--ac),#2aa8c8);color:#04211d;font-size:16px;font-weight:700;display:grid;place-items:center}
.comp-send:disabled{background:#1c2a36;color:#41586c}

/* ===== 右：成员 ===== */
.aside{background:var(--panel);border-left:1px solid var(--line);display:flex;flex-direction:column;min-height:0}
.aside-h{display:flex;align-items:center;padding:calc(12px + var(--sat)) 14px 12px;border-bottom:1px solid var(--line)}
.aside-h b{font-size:12px}
.aside-h .ico{margin-left:auto;width:26px;height:26px;font-size:16px;display:none}
.mem-list{flex:1 1 auto;overflow-y:auto;padding:8px 10px}
.mem{display:flex;gap:9px;align-items:center;padding:7px 8px;border-radius:10px}
.mem:hover{background:#131b26}
.mem-av{width:28px;height:28px;flex:0 0 28px;border-radius:9px;display:grid;place-items:center;font-size:14px;background:#1b2735;position:relative}
.mem-av .dot{position:absolute;right:-1px;bottom:-1px;width:8px;height:8px;border-radius:50%;background:#3d4d60;border:2px solid var(--panel)}
.mem-av .dot.on{background:var(--ac)}
.mem-av .dot.work{background:var(--gold);animation:pulse 1s infinite}
.mem-tx{min-width:0;flex:1 1 auto}
.mem-tx b{display:block;font-size:11.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mem-tx i{display:block;font:8.5px/1.4 var(--mono);color:var(--dim);font-style:normal;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mem-n{font:9px var(--mono);color:var(--dim);flex:0 0 auto}
.aside-foot{padding:10px 12px calc(6px + var(--sab));border-top:1px solid var(--line);font:9.5px/1.7 var(--mono);color:var(--dim)}

/* ===== 弹层 ===== */
.sheet{position:fixed;inset:0;z-index:70;visibility:hidden}
.sheet.on{visibility:visible}
.sh-mask{position:absolute;inset:0;background:rgba(3,6,10,.72);opacity:0;transition:.2s}
.sheet.on .sh-mask{opacity:1}
.sh-body{position:absolute;right:0;top:0;bottom:0;width:min(420px,100%);background:#0d141d;border-left:1px solid var(--line);display:flex;flex-direction:column;transform:translateX(100%);transition:.24s}
.sheet.on .sh-body{transform:none}
.sh-h{display:flex;align-items:center;padding:calc(14px + var(--sat)) 16px 12px;border-bottom:1px solid var(--line)}
.sh-h b{font-size:13.5px}
.sh-h button{margin-left:auto;font-size:22px;color:var(--sub);line-height:1}
.sh-c{flex:1 1 auto;overflow-y:auto;padding:14px 16px calc(14px + var(--sab))}
.lbl{font-size:10.5px;color:var(--dim);margin:12px 0 6px;letter-spacing:.4px}
.lbl:first-child{margin-top:0}
.txt{width:100%;background:#0a1119;border:1px solid var(--line);border-radius:9px;padding:9px 11px;font-size:12.5px;outline:none}
.txt:focus{border-color:#2f6a64}
.hint{font-size:10px;color:var(--dim);line-height:1.7;margin-top:7px}
.hr{height:1px;background:var(--line);margin:14px 0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--line2);border-radius:9px;padding:9px 14px;font-size:12px;color:var(--tx);background:var(--panel2)}
.btn:hover{border-color:#2f5a5c;color:var(--ac)}
.btn.pri{background:linear-gradient(145deg,#12494b,#123c5c);border-color:#1f6d6a;color:var(--ac)}
.btn.grow{flex:1 1 auto}
.row2{display:flex;gap:8px;margin-top:10px}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chips button{font-size:10.5px;color:var(--sub);border:1px solid var(--line);border-radius:14px;padding:4px 10px;background:#0e1620}
.chips button.on{color:var(--ac);border-color:#2f6a64;background:#10211f}

/* @ 弹层 */
.pop{position:fixed;left:50%;bottom:112px;transform:translate(-50%,8px);z-index:80;width:min(340px,92vw);background:#101923;border:1px solid var(--line2);border-radius:13px;box-shadow:0 18px 50px rgba(0,0,0,.5);opacity:0;visibility:hidden;transition:.18s;overflow:hidden}
.pop.on{opacity:1;visibility:visible;transform:translate(-50%,0)}
.pop-h{font-size:10px;color:var(--dim);padding:9px 12px;border-bottom:1px solid var(--line)}
.pop-list{max-height:240px;overflow-y:auto}
.pop-i{display:flex;gap:9px;align-items:center;width:100%;padding:8px 12px;text-align:left}
.pop-i:hover,.pop-i.on{background:#16232a}
.pop-i .av{width:26px;height:26px;flex:0 0 26px;border-radius:8px;font-size:12px}
.pop-i b{font-size:11.5px;flex:1 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pop-i i{font:8.5px var(--mono);color:var(--dim);font-style:normal}

/* 抽屉 */
.drawer{position:fixed;inset:0;z-index:72;visibility:hidden}
.drawer.on{visibility:visible}
.dr-mask{position:absolute;inset:0;background:rgba(3,6,10,.72);opacity:0;transition:.2s}
.drawer.on .dr-mask{opacity:1}
.dr-body{position:absolute;right:0;top:0;bottom:0;width:min(560px,100%);background:#0c131c;border-left:1px solid var(--line);display:flex;flex-direction:column;transform:translateX(100%);transition:.24s}
.drawer.on .dr-body{transform:none}
.dr-h{display:flex;align-items:center;padding:calc(14px + var(--sat)) 16px 12px;border-bottom:1px solid var(--line)}
.dr-h b{font-size:13.5px}
.dr-h button{margin-left:auto;font-size:22px;color:var(--sub)}
.dr-c{flex:1 1 auto;overflow-y:auto;padding:14px 16px calc(14px + var(--sab));display:flex;flex-direction:column;gap:10px}
.doc{border:1px solid var(--line);border-radius:11px;background:#0f1721;overflow:hidden}
.doc-h{display:flex;align-items:center;gap:8px;padding:10px 12px;background:#121c27}
.doc-h b{font-size:11.5px;flex:1 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.doc-h i{font:8.5px var(--mono);color:var(--dim);font-style:normal}
.doc-b{padding:12px;font:11.5px/1.75 var(--mono);color:#b9cbdd;white-space:pre-wrap;word-break:break-word;max-height:none}
.doc-f{display:flex;gap:7px;padding:0 12px 11px}
.doc-b2{font-size:10px;color:var(--ac);border:1px solid #2b5f66;border-radius:6px;padding:4px 9px;background:#10242a}
.empty{padding:36px 12px;text-align:center;color:var(--dim);font-size:11.5px;line-height:1.9}

.rail-mask{position:fixed;inset:0;z-index:75;background:rgba(3,6,10,.62);opacity:0;visibility:hidden;transition:.2s;backdrop-filter:blur(2px)}
.rail-mask.on{opacity:1;visibility:visible}

.toast{position:fixed;left:50%;bottom:calc(92px + var(--sab));transform:translate(-50%,14px);z-index:90;background:#14212d;border:1px solid #2f6a64;color:var(--tx);border-radius:10px;padding:8px 14px;font-size:11.5px;opacity:0;pointer-events:none;transition:.22s;max-width:88vw;text-align:center}
.toast.on{opacity:1;transform:translate(-50%,0)}

/* ===== 响应式 ===== */
.only-m{display:none}
@media(max-width:1080px){
  .app{grid-template-columns:72px minmax(0,1fr)}
  .brand em,.hv-tx,.rail-search,.rail-btn{display:none}
  .rail-top{flex-direction:column;gap:8px;padding:12px 0}
  #btnNew{margin:0}
  .rail-list{padding:4px 6px}
  .hv{justify-content:center;padding:7px 0}
  .aside{position:fixed;top:0;right:0;bottom:0;width:min(330px,100%);z-index:74;transform:translateX(100%);transition:.24s;box-shadow:-20px 0 50px rgba(0,0,0,.5)}
  .aside.on{transform:none}
  .aside-h .ico{display:grid}
  .app.no-aside{grid-template-columns:72px minmax(0,1fr)}
}
@media(max-width:780px){
  .app{grid-template-columns:minmax(0,1fr)}
  .rail{position:fixed;top:0;left:0;bottom:0;width:min(312px,84vw);z-index:76;transform:translateX(-100%);transition:.24s;box-shadow:20px 0 50px rgba(0,0,0,.5)}
  .rail.on{transform:none}
  .brand em,.hv-tx,.rail-search,.rail-btn{display:block}
  .rail-top{flex-direction:row;gap:8px;padding:calc(14px + var(--sat)) 14px 10px}
  #btnNew{margin-left:auto}
  .rail-list{padding:4px 8px 10px}
  .hv{justify-content:flex-start;padding:9px 10px}
  .only-m{display:inline-flex}
  .hive-head{padding:calc(10px + var(--sat)) 12px 10px}
  .hive-id b{font-size:14.5px}
  .hive-id span{font-size:11px}
  .hv-tx b{font-size:13px}
  .mem-tx b{font-size:12px}
  .bub{font-size:14px}
  .name b{font-size:12px}
  .art-h b{font-size:13px}
  .art-p{font-size:12.5px}
  .thread-bar{padding:6px 12px}
  .stream{padding:12px 12px 6px}
  .who{max-width:82%}
  .bub{font-size:13.5px;padding:9px 12px}
  .art{min-width:0;width:100%}
  .composer{padding:5px 10px calc(2px + var(--sab))}
  .quick-row{padding-bottom:6px}
  .aside{width:min(300px,88vw)}
  .typing{padding:4px 14px 6px}
}
@media(max-width:400px){
  .hive-act .ico{width:29px;height:29px;font-size:14px}
  .who{max-width:86%}
}