:root{--page:#e2e6ed;--app-max:1440px;--bg:#eef1f5;--surface:#ffffff;--surface2:#f2f3f5;--line:#e4e6eb;--line-soft:#eef0f2;--fg:#1c1e21;--muted:#65676b;--faint:#8a8d91;--brand:#0068ff;--brand-strong:#0055d6;--brand-soft:#e7f0ff;--online:#31a24c;--in:#ffffff;--sh:0 1px 1.5px rgba(0,0,0,.08);--sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",system-ui,sans-serif}*{box-sizing:border-box}html,body,#app{margin:0;height:100%;background:var(--page);color:var(--fg);font:15px/1.5 var(--sans)}::selection{background:var(--brand-soft)}button{cursor:pointer;background:var(--surface2);color:var(--fg);border:0;border-radius:8px;padding:7px 12px;font:inherit;font-size:13px;transition:background .15s}button:hover{background:#e7e9ec}button.primary{background:var(--brand);color:#fff;font-weight:600}button.primary:hover{background:var(--brand-strong)}button.primary.danger{background:#d93025}button.primary.danger:hover{background:#b3271b}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;padding:0;border-radius:9px;background:transparent;color:var(--muted)}.icon-btn:hover{background:var(--surface2);color:var(--fg)}.icon-btn.on{background:var(--brand-soft);color:var(--brand)}.icon-btn:disabled{opacity:.5;cursor:default}.icon-btn svg{width:19px;height:19px}.hdiv{width:1px;height:20px;background:var(--line);margin:0 4px;flex-shrink:0}:focus-visible{outline:2px solid var(--brand);outline-offset:2px}input,textarea,select{background:var(--surface2);color:var(--fg);border:1px solid transparent;border-radius:20px;padding:9px 14px;font:inherit;width:100%}input:focus,textarea:focus{border-color:var(--brand);background:#fff;outline:none}input::placeholder,textarea::placeholder{color:var(--faint)}input:disabled,button:disabled{opacity:.55;cursor:not-allowed}textarea{border-radius:12px;resize:vertical}.app{display:grid;grid-template-columns:320px 1fr;grid-template-rows:auto 1fr;height:100%}@media (min-width:1100px){.app{max-width:min(var(--app-max),calc(100% - 40px));height:calc(100% - 40px);margin:20px auto;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:0 6px 32px #171f2e1a}}header{grid-column:1/3;display:flex;align-items:center;gap:12px;padding:10px 18px;background:var(--surface);border-bottom:1px solid var(--line)}.mark{font-size:16px;font-weight:700;white-space:nowrap}.mark b{color:var(--brand)}.account-bar{position:relative;display:flex;align-items:center}.acc{position:relative;width:28px;height:28px;flex-shrink:0;border-radius:50%;background:#dfe3e8;color:#5b6b7b;font-weight:700;font-size:11px;display:inline-flex;align-items:center;justify-content:center;overflow:hidden}.acc img{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover}.acc.err{opacity:.45}.acc-trigger,.acc-chip{display:inline-flex;align-items:center;gap:8px;padding:3px 8px 3px 3px;border-radius:999px;background:transparent;max-width:230px}.acc-trigger:hover,.acc-trigger.open{background:var(--surface2)}.acc-name{font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.acc-trigger .caret{width:13px;height:13px;flex-shrink:0;color:var(--muted);transition:transform .15s}.acc-trigger.open .caret{transform:rotate(180deg)}.acc-menu{position:absolute;top:calc(100% + 8px);left:0;z-index:60;min-width:250px;max-width:320px;padding:6px;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 32px #171f2e29}.acc-menu-head{padding:6px 10px 5px;font-size:11px;font-weight:700;color:var(--faint)}.acc-menu-item{display:flex;align-items:center;gap:10px;width:100%;padding:7px 8px;border-radius:9px;background:transparent;text-align:left}.acc-menu-item:hover{background:var(--surface2)}.acc-menu-item.on{background:var(--brand-soft)}.acc-menu-txt{flex:1;min-width:0;display:flex;flex-direction:column}.acc-menu-txt b{font-size:13.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.acc-menu-txt small{font-size:11px;color:#d93025}.acc-menu-item .check{width:16px;height:16px;flex-shrink:0;color:var(--brand)}.acc-menu-item.add{margin-top:4px;padding-top:10px;border-top:1px solid var(--line-soft);border-radius:0;color:var(--brand);font-size:13px;font-weight:600}.acc-menu-item.add:hover{background:var(--brand-soft)}.acc-plus{width:28px;text-align:center;font-size:17px;line-height:1}header .spacer{flex:1}.swwrap{display:inline-flex;align-items:center;gap:8px;flex-shrink:0}.swcap{font-size:12px;color:var(--muted)}.swcap.ai{color:var(--brand);font-weight:600}.sw{position:relative;width:40px;height:23px;flex-shrink:0;padding:0;border:0;border-radius:999px;background:#c9ccd1;cursor:pointer;transition:background .15s}.sw:after{content:"";position:absolute;top:2px;left:2px;width:19px;height:19px;border-radius:50%;background:#fff;box-shadow:0 1px 3px #00000040;transition:left .15s}.sw.on{background:var(--brand)}.sw.on:after{left:19px}.linkbtn{border:0;background:transparent;color:var(--brand);font:inherit;font-size:12px;padding:4px}.linkbtn:hover{text-decoration:underline}.langsw{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden;flex-shrink:0}.langsw button{background:transparent;border:0;border-radius:0;padding:5px 9px;font-size:12px;font-weight:700;color:var(--muted)}.langsw button:hover:not(.on){background:var(--surface2);color:var(--fg)}.langsw button.on{background:var(--brand);color:#fff}.avatar{position:relative;width:42px;height:42px;flex-shrink:0;border-radius:50%;background:#dfe3e8;color:#5b6b7b;display:inline-flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;overflow:hidden}.avatar img{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover}.chat-head .avatar{width:36px;height:36px;font-size:13px}aside{background:var(--surface);border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0}.tabs{display:flex;padding:8px 12px 0;gap:4px;border-bottom:1px solid var(--line)}.tabs button{flex:1;background:transparent;border-radius:0;padding:10px 0;color:var(--muted);font-weight:600;font-size:14px;border-bottom:2px solid transparent}.tabs button:hover{background:transparent;color:var(--fg)}.tabs button.on{color:var(--brand);border-bottom-color:var(--brand)}.search{padding:10px 12px;display:flex;gap:8px;align-items:center}.search input{font-size:14px;flex:1;min-width:0}.list{overflow:auto;flex:1;min-height:0}.item{display:flex;align-items:center;gap:10px;padding:9px 12px;cursor:pointer}.item:hover{background:var(--surface2)}.item.on{background:var(--brand-soft)}.item .body{flex:1;min-width:0}.item .name{font-weight:600;font-size:15px}.item .row1{display:flex;align-items:baseline;gap:8px}.item .row1 .name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.item .t{flex-shrink:0;font-size:12px;color:var(--faint)}.item .name.unread{font-weight:800;color:var(--fg)}.item .badge{flex-shrink:0;min-width:18px;height:18px;padding:0 5px;border-radius:9px;background:var(--brand);color:#fff;font-size:11px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;line-height:1}.item .meta{font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}main{display:flex;flex-direction:column;min-height:0;background:var(--bg)}.chat-head{display:flex;align-items:center;gap:10px;padding:12px 18px;background:var(--surface);border-bottom:1px solid var(--line)}.chat-head .who{display:flex;flex-direction:column;min-width:0}.chat-head .name{font-weight:700;font-size:16px;line-height:1.25}.chat-head .sub{font-size:12px;color:var(--faint);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-head .spacer{flex:1}.msgs{flex:1;overflow:auto;padding:20px 22px;display:flex;flex-direction:column;gap:6px}.bubble{max-width:64%;padding:8px 13px;border-radius:18px;font-size:15px;line-height:1.4;white-space:pre-wrap;word-break:break-word;animation:rise .14s ease-out}@keyframes rise{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}.bubble.in{align-self:flex-start;background:var(--in);color:var(--fg);border-bottom-left-radius:5px;box-shadow:var(--sh)}.bubble.out{align-self:flex-end;background:var(--brand);color:#fff;border-bottom-right-radius:5px}.bubble .tr{margin-top:6px;padding-top:6px;border-top:1px dashed rgba(0,0,0,.14);font-size:13.5px;line-height:1.45;opacity:.8}.bubble.out .tr{border-top-color:#ffffff59}.bubble .meta{margin-top:3px;font-size:11px;display:flex;gap:6px;color:var(--faint)}.bubble.out .meta{justify-content:flex-end;color:#ffffffb8}.bubble .relaytag{font-weight:600}.bubble.out .relaytag{color:#fff;background:#ffffff38;padding:0 6px;border-radius:8px}.bubble.media{padding:4px;background:transparent;box-shadow:none}.bubble.out.media{background:transparent}.bubble.media .meta,.bubble.out.media .meta{color:var(--muted)}.msg-img{display:block;max-width:220px;max-height:240px;width:auto;height:auto;border-radius:12px;object-fit:contain}.bubble .quote{font-size:13px;opacity:.75;padding:2px 0 4px 8px;margin-bottom:4px;border-left:3px solid currentColor;white-space:pre-wrap;word-break:break-word;max-height:3.2em;overflow:hidden}.bubble.out .quote{border-left-color:#ffffff80}.composer{display:flex;gap:10px;padding:12px 18px;background:var(--surface);border-top:1px solid var(--line);align-items:center}.composer input{flex:1}.composer .primary{width:42px;height:42px;padding:0;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}.composer .primary svg{width:19px;height:19px}.empty{margin:auto;color:var(--faint);font-size:14px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:14px;padding:24px}.empty svg{width:54px;height:54px;opacity:.4}.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%) translateY(16px);background:#1c1e21;color:#fff;padding:11px 18px;border-radius:12px;font-size:14px;box-shadow:0 8px 28px #00000047;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:80;max-width:80vw}.toast.show{opacity:1;transform:translate(-50%) translateY(0)}.toast.err{background:#d93025}.modal-bg{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;justify-content:center;z-index:70;overflow-y:auto;padding:24px 16px}.modal{position:relative;margin:auto;background:var(--surface);border-radius:14px;padding:22px;width:min(560px,92vw);box-shadow:0 16px 48px #00000040}.modal h3{margin:0 0 6px;font-size:17px;padding-right:34px}.modal-x{position:absolute;top:12px;right:12px;width:30px;height:30px;padding:0;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;background:transparent;color:var(--muted)}.modal-x:hover{background:var(--surface2);color:var(--fg)}.modal-x svg{width:17px;height:17px}.row{display:flex;gap:8px;align-items:center;margin:12px 0 0}.muted{color:var(--muted);font-size:13px}label.small{display:block;margin:14px 0 6px;font-size:12px;color:var(--muted);font-weight:600}.spacer{flex:1}.set-sec{margin:22px 0 2px;font-size:12px;font-weight:700;color:var(--faint)}.set-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:10px 0}.set-row .txt{min-width:0}.set-row .txt b{display:block;font-size:14px;margin-bottom:1px}hr.set{border:0;border-top:1px solid var(--line-soft);margin:2px 0}.boot{position:fixed;top:0;right:0;bottom:0;left:0;z-index:40;background:var(--page)}.boot:after{content:"";position:absolute;top:50%;left:50%;width:26px;height:26px;margin:-13px 0 0 -13px;border:2.5px solid var(--line);border-top-color:var(--brand);border-radius:50%;opacity:0;animation:boot-fade .2s ease-out .6s forwards,boot-spin .7s linear infinite}@keyframes boot-fade{to{opacity:1}}@keyframes boot-spin{to{transform:rotate(360deg)}}.full-empty{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;background:var(--page);display:flex;align-items:center;justify-content:center}.full-empty .box{text-align:center;padding:44px;background:var(--surface);border-radius:18px;box-shadow:0 10px 40px #0000001f}.full-empty h2{margin:0 0 8px;font-size:22px}.full-empty .muted{margin-bottom:22px}@media (max-width:760px){.app{grid-template-columns:1fr;grid-template-rows:auto auto 1fr}aside{grid-row:2;max-height:36vh;border-right:0;border-bottom:1px solid var(--line)}.bubble{max-width:82%}}@media (prefers-reduced-motion:reduce){*{animation:none!important}}.login-bg{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:var(--page);padding:20px}.login-box{width:320px;max-width:100%;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:28px 26px;box-shadow:var(--sh);display:flex;flex-direction:column;gap:12px}.login-title{font-size:22px;text-align:center}.login-sub{text-align:center;color:var(--muted);font-size:14px;margin-bottom:4px}.login-box input{padding:11px 12px;font-size:15px}.login-err{color:#e5484d;font-size:13px}.login-captcha{display:flex;justify-content:center;min-height:65px}.userchip{font-size:13px;color:var(--muted);padding:0 8px;white-space:nowrap}.userchip small{color:var(--faint)}.utbl{width:100%;border-collapse:collapse;font-size:14px;margin-top:4px}.utbl td{padding:9px 4px;border-bottom:1px solid var(--line)}.utbl tr:last-child td{border-bottom:0}.utbl td.role{width:22%;color:var(--muted)}.utbl td.acct{width:28%;color:var(--muted)}.utbl td.acct .faint{color:var(--faint);font-style:italic}.linkbtn.danger{color:#e5484d}.newrow{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:4px}.newrow input,.newrow select{padding:9px 12px;font-size:14px;width:100%;min-width:0}.newrow .full{grid-column:1 / -1}.newrow .actions{grid-column:1 / -1;display:flex;justify-content:flex-end;margin-top:2px}.ro-tag{font-size:11px;font-weight:700;color:var(--muted);background:var(--surface2);padding:1px 7px;border-radius:8px}.sw:disabled{opacity:.45;cursor:not-allowed}