:root{color-scheme:light;--bg:#eef5f2;--surface:#fff;--surface-soft:#f5f8f7;--text:#172d35;--muted:#6b7f88;--line:#e2ebe7;--accent:#167a65;--accent-soft:#e1f1e9;--bubble:#ddf2e7;--danger:#b93d4d;--shadow:0 12px 50px #254a3510}
html[data-theme=dark]{color-scheme:dark;--bg:#101d20;--surface:#17292c;--surface-soft:#1d3034;--text:#e4efed;--muted:#a0b7ba;--line:#2b4146;--accent:#6ed6b8;--accent-soft:#234139;--bubble:#274a3f;--danger:#ff9ba8;--shadow:none}
*{box-sizing:border-box}body{margin:0;font:14px/1.5 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{opacity:.5;cursor:default}button:focus-visible,a:focus-visible,label:focus-within{outline:3px solid var(--accent);outline-offset:3px}[hidden]{display:none!important}a{color:inherit}small{color:var(--muted);font-size:12px}h1,h2,p{margin:0}input,textarea{min-width:0;color:var(--text)}button{color:var(--text)}.topbar{height:84px;padding:0 28px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:var(--surface)}.brand{display:flex;gap:12px;align-items:center}.brand strong{font-size:20px;letter-spacing:-.5px}.brand small{display:block}.brand-mark{display:grid;place-items:center;width:42px;height:42px;background:var(--accent-soft);color:var(--accent);border-radius:14px;font-size:26px}.top-actions{display:flex;gap:12px;align-items:center}.connection{font-size:12px;color:var(--muted)}.connection.online{color:var(--accent)}.icon-button{background:var(--surface-soft);border:1px solid var(--line);border-radius:12px;height:38px;min-width:38px;font-size:18px}.quiet-button{background:none;border:0;padding:10px;color:var(--muted)}.banner{background:var(--accent-soft);padding:10px 28px;font-size:13px}.workspace{display:grid;grid-template-columns:180px 315px minmax(0,1fr);height:calc(100dvh - 84px);max-width:1800px;margin:auto}.account-panel{background:var(--surface-soft);border-right:1px solid var(--line);padding:24px 14px;display:flex;flex-direction:column;overflow-y:auto}.section-heading{color:var(--muted);text-transform:uppercase;font-weight:650;font-size:11px;letter-spacing:1px;margin:0 10px 20px}.section-heading span{margin-left:8px}.account-list{display:flex;flex-direction:column;gap:5px}.account{border:0;background:transparent;display:flex;align-items:center;gap:10px;padding:12px;border-radius:13px;text-align:left;width:100%}.account.active{background:var(--accent-soft);color:var(--accent)}.account strong{display:block}.account small{display:block;font-size:11px}.account-dot{width:8px;height:8px;border-radius:50%;background:var(--muted);flex-shrink:0}.account-dot.ready{background:var(--accent)}.badge{border-radius:30px;padding:2px 7px;background:var(--accent);color:var(--surface);font-size:11px;font-weight:650;white-space:nowrap;margin-left:auto}.account-footer{margin-top:auto;padding:24px 10px 0;font-size:11px;color:var(--muted);overflow-wrap:anywhere}.account-footer small{display:block}.dialog-panel{background:var(--surface);border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0;padding:24px 12px 0}.dialog-heading{padding:0 8px;display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.dialog-heading h2{font-size:20px;letter-spacing:-.4px}.dialog-heading span{color:var(--accent);font-size:12px}.search-wrap{display:flex;gap:8px;align-items:center;border:1px solid var(--line);background:var(--surface-soft);padding:9px 11px;border-radius:12px}.search-wrap span{font-size:23px;color:var(--muted)}.search-wrap input{background:none;border:0;outline:none;width:100%;font-size:12px;padding:3px 0}.filter-row{display:flex;gap:6px;padding:15px 0}.filter{border:0;border-radius:20px;background:none;padding:6px 12px;font-size:12px;color:var(--muted)}.filter.active{background:var(--accent-soft);color:var(--accent)}.dialog-list{overflow:auto;min-height:0}.dialog{display:flex;gap:12px;width:100%;border:0;background:none;border-radius:13px;padding:14px 10px;text-align:left;margin-bottom:3px}.dialog.active{background:var(--accent-soft)}.avatar{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--surface-soft);color:var(--accent);font-weight:600;flex-shrink:0}.dialog-main{min-width:0;flex:1}.dialog-title{display:flex;align-items:center;gap:5px;justify-content:space-between}.dialog-title strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.dialog-title time{font-size:10px;white-space:nowrap;color:var(--muted)}.dialog-desc{display:block;color:var(--muted);font-size:12px;margin:3px 0;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.dialog-item{font-size:11px;color:var(--muted);display:flex;align-items:center;gap:5px}.chat-panel{min-width:0;min-height:0;background:var(--bg)}.empty-chat{height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:25px;background:radial-gradient(ellipse at center,#b7dcce22,transparent 70%)}.empty-chat>span{font-size:70px;color:var(--accent);font-weight:200}.empty-chat h2{font-size:27px;letter-spacing:-1px;margin:15px 0 8px}.empty-chat p{color:var(--muted);max-width:280px}.chat{height:100%;display:flex;flex-direction:column;min-height:0}.chat-heading{display:flex;align-items:center;gap:12px;background:var(--surface);border-bottom:1px solid var(--line);padding:17px 24px;min-height:80px}.chat-person h2{font-size:17px}.listing{display:flex;align-items:center;gap:13px;background:var(--surface);margin:16px 24px 0;border:1px solid var(--line);border-radius:14px;padding:11px;text-decoration:none}.listing-thumb{background:var(--surface-soft);border-radius:9px;width:54px;height:54px;display:grid;place-items:center;flex-shrink:0;color:var(--muted);font-size:24px;overflow:hidden}.listing-thumb img{width:100%;height:100%;object-fit:cover}.listing-info{min-width:0;flex:1}.listing-info strong{display:block;font-size:13px;overflow-wrap:anywhere}.listing-info small{display:block}.listing-link{color:var(--accent);font-size:11px;white-space:nowrap}.messages{flex:1;overflow:auto;padding:22px 24px;min-height:0;scroll-behavior:smooth}.day{text-align:center;font-size:11px;color:var(--muted);padding:12px}.message{display:flex;margin:9px 0}.message.outgoing{justify-content:flex-end}.bubble{background:var(--surface);border-radius:15px 15px 15px 3px;max-width:min(82%,560px);padding:11px 14px;white-space:pre-wrap;overflow-wrap:anywhere;box-shadow:0 2px 3px #182d3510}.outgoing .bubble{background:var(--bubble);border-radius:15px 15px 3px 15px}.bubble time{display:block;text-align:right;font-size:10px;color:var(--muted);margin-top:4px}.bubble img{display:block;max-width:100%;max-height:300px;object-fit:contain;border-radius:9px;margin:6px 0;cursor:zoom-in}.pending .bubble{border:1px dashed var(--line)}.pending.failed .bubble,.pending.unknown .bubble{border-color:var(--danger)}.pending .status{color:var(--muted);font-size:11px}.pending.failed .status,.pending.unknown .status{color:var(--danger)}.older-button{display:block;margin:0 auto 15px;padding:8px 14px;border:1px solid var(--line);border-radius:20px;background:var(--surface);color:var(--muted);font-size:12px}.composer{display:flex;gap:10px;align-items:flex-end;border-top:1px solid var(--line);padding:14px 20px 6px;background:var(--surface)}.composer textarea{flex:1;background:var(--surface-soft);border:1px solid var(--line);border-radius:12px;padding:12px;resize:none;min-height:45px;max-height:150px}.attach-button{background:var(--surface-soft);border:1px solid var(--line);border-radius:12px;font-size:24px;display:grid;place-items:center;min-width:43px;height:45px;cursor:pointer}.send-button{background:var(--accent);color:var(--surface);border:0;border-radius:12px;padding:12px 15px;font-weight:600;height:45px}.send-button span{margin-left:8px}.composer-note{background:var(--surface);color:var(--muted);font-size:10px;text-align:center;padding:0 8px 10px}.attachment{background:var(--surface);display:flex;gap:12px;align-items:center;border-top:1px solid var(--line);padding:10px 20px}.attachment img{height:60px;width:60px;object-fit:contain;border-radius:8px}.attachment span{flex:1;font-size:12px;overflow-wrap:anywhere}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);max-width:min(90%,600px);padding:14px 20px;border-radius:14px;background:var(--text);color:var(--surface);box-shadow:var(--shadow);z-index:10;font-size:13px}.error{color:var(--danger)}.empty-list{padding:24px 14px;text-align:center;color:var(--muted);font-size:13px}.back-button{display:none}.login-shell{min-height:100dvh;display:grid;place-items:center;padding:24px;background:radial-gradient(ellipse at 20% 30%,#c8e4d844,transparent 60%)}.login-card{background:var(--surface);border:1px solid var(--line);padding:40px;border-radius:25px;max-width:460px;box-shadow:var(--shadow)}.login-card .brand-mark{margin-bottom:24px}.login-card h1{font-size:30px;letter-spacing:-1px}.login-card p{color:var(--muted);margin-top:8px}.login-instruction{background:var(--surface-soft);border-radius:14px;padding:20px;margin:25px 0}.login-card small{display:block;margin-top:18px}.login-card .error{color:var(--danger)}
@media(max-width:1100px){.workspace{grid-template-columns:145px 270px minmax(0,1fr)}.topbar{padding:0 18px}.account-panel{padding-left:8px;padding-right:8px}.listing-link{display:none}.messages{padding:14px}.listing{margin:12px 14px 0}.chat-heading{padding:15px}.send-button span{display:none}}
@media(max-width:760px){.topbar{height:74px;padding:0 14px}.brand strong{font-size:17px}.brand small{font-size:10px}.brand-mark{width:34px;height:34px}.top-actions{gap:6px}.connection{max-width:85px;font-size:10px}.quiet-button{padding:6px;font-size:12px}.workspace{height:calc(100dvh - 74px);grid-template-columns:1fr;grid-template-rows:auto minmax(0,1fr)}.account-panel{padding:12px;border-right:0;border-bottom:1px solid var(--line);overflow:auto}.section-heading,.account-footer{display:none}.account-list{flex-direction:row;gap:7px}.account{width:auto;min-width:105px;flex-shrink:0;padding:8px 10px}.dialog-panel{border:0;padding-top:18px}.chat-panel{display:none}.workspace.chat-open .dialog-panel{display:none}.workspace.chat-open .chat-panel{display:block;min-height:0}.back-button{display:block}.messages{padding:12px}.listing{margin:10px 12px 0}.composer{padding:10px 10px 6px;gap:7px}.composer textarea{font-size:16px;padding:10px}.send-button{font-size:12px;padding:10px}.chat-heading{min-height:68px;padding:12px}.listing-info strong{font-size:12px}.listing-thumb{width:44px;height:44px}.bubble{max-width:90%}.login-card{padding:28px}.banner{padding:8px 14px;font-size:12px}}
@media(prefers-reduced-motion:reduce){.messages{scroll-behavior:auto}}

.toast{bottom:105px;pointer-events:none}