:root{color-scheme:light;--bg:#f3f6fb;--panel:#fff;--panel2:#f8faff;--text:#172033;--muted:#7d879b;--line:#e7ebf2;--primary:#3b82f6;--primary2:#2463d7;--bubble:#fff;--mine:#e6f1ff;--shadow:0 20px 60px rgba(24,39,75,.09)}:root[data-theme=dark]{color-scheme:dark;--bg:#101722;--panel:#17212e;--panel2:#1d2a39;--text:#e8eef7;--muted:#9aa9bd;--line:#2a394b;--primary:#5b9aff;--primary2:#3476dd;--bubble:#202e3d;--mine:#244b72;--shadow:0 20px 60px rgba(0,0,0,.22)}*{box-sizing:border-box}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);font-size:14px}a{color:var(--primary);text-decoration:none}button,input,textarea{font:inherit}button{cursor:pointer}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:radial-gradient(circle at 12% 15%,rgba(59,130,246,.13),transparent 28%),radial-gradient(circle at 90% 85%,rgba(16,185,129,.10),transparent 28%),var(--bg)}.auth-card,.wide-card{background:var(--panel);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);padding:34px;width:min(100%,440px)}.wide-card{width:min(100%,850px);padding:30px}.brand-mark{width:54px;height:54px;border-radius:18px;background:linear-gradient(135deg,#3478f6,#29c5a4);display:grid;place-items:center;color:white;font-weight:900;font-size:27px;box-shadow:0 8px 22px #3478f638;margin-bottom:20px}.small-mark{width:35px;height:35px;border-radius:12px;font-size:18px;margin:0;display:inline-grid;flex-shrink:0}.auth-card h1,.wide-card h1{font-size:27px;letter-spacing:-.8px;margin:0 0 8px}.muted{color:var(--muted)}.small{font-size:12px}.center{text-align:center;margin-top:22px}.auth-card form{display:grid;gap:16px;margin-top:24px}.auth-card label,.panel label{display:grid;gap:7px;color:var(--muted);font-weight:600;font-size:12px}.auth-card input,.panel input,.search-form input,.webhook-form input{border:1px solid var(--line);background:var(--panel2);color:var(--text);border-radius:12px;padding:13px 14px;outline:none;width:100%;min-width:0}.auth-card input:focus,.panel input:focus,.search-form input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #3b82f61c}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:12px;padding:12px 17px;font-weight:700;gap:8px}.primary{background:var(--primary);color:white}.primary:hover{background:var(--primary2)}.secondary{background:var(--panel2);border:1px solid var(--line);color:var(--text)}.full{width:100%;padding:14px}.alert{padding:12px 14px;border-radius:12px;margin:15px 0;line-height:1.5}.error{background:#feecec;color:#a42626}.success{background:#e5f9ef;color:#176a42}.info{background:var(--panel2);border:1px solid var(--line)}.messenger-page{height:100vh;min-height:600px;padding:20px;background:var(--bg)}.messenger-shell{height:100%;max-width:1500px;margin:auto;display:grid;grid-template-columns:355px 1fr;border-radius:22px;overflow:hidden;border:1px solid var(--line);background:var(--panel);box-shadow:var(--shadow)}.sidebar{display:flex;flex-direction:column;border-right:1px solid var(--line);min-width:0;background:var(--panel)}.side-head,.profile-strip,.chat-header{display:flex;align-items:center;gap:12px;padding:18px 20px}.side-head{justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-size:16px;font-weight:700}.brand b{font-weight:400;color:var(--muted)}.icon-btn{border:1px solid var(--line);border-radius:12px;width:38px;height:38px;background:var(--panel2);color:var(--text);font-size:19px;display:grid;place-items:center}.profile-strip{border-bottom:1px solid var(--line)}.avatar{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;color:white;font-weight:800;font-size:16px;flex-shrink:0}.profile-text,.chat-meta{display:grid;gap:4px;min-width:0;flex:1}.profile-text strong,.chat-meta strong{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.profile-text span,.chat-meta span{color:var(--muted);font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.search-form{display:flex;align-items:center;gap:9px;background:var(--panel2);border:1px solid var(--line);border-radius:13px;margin:15px;padding:0 12px;color:var(--muted)}.search-form input{background:transparent;border:0;padding:12px 0;box-shadow:none!important}.search-form button{background:transparent;border:0;color:var(--primary);font-weight:800}.search-form.standalone{margin:20px 0 15px}.section-title{padding:8px 20px;color:var(--muted);font-size:10px;font-weight:800;letter-spacing:1.2px;display:flex;justify-content:space-between}.chat-list{overflow:auto;flex:1;padding:3px 9px}.chat-row{display:flex;align-items:center;gap:11px;padding:12px;border-radius:14px;color:var(--text);margin:2px 0}.chat-row:hover,.chat-row.selected{background:var(--panel2)}.chat-row.selected{box-shadow:inset 3px 0 var(--primary)}.chat-row .avatar{width:45px;height:45px}.chat-row small{font-size:10px;color:var(--muted);align-self:flex-start}.empty-side{padding:18px;color:var(--muted);font-size:12px;line-height:1.7}.sidebar-footer{padding:14px 18px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}.sidebar-footer button{border:0;background:none;color:var(--muted)}.chat-pane{min-width:0;display:flex;flex-direction:column;background:var(--panel2);position:relative}.chat-header{background:var(--panel);border-bottom:1px solid var(--line);min-height:80px}.chat-header>div{display:grid;gap:5px;flex:1}.chat-header>div span{font-size:12px;color:var(--muted)}.secure-pill{font-size:11px;color:#18a979;background:#18a97916;border-radius:20px;padding:8px 11px}.messages{flex:1;overflow:auto;padding:26px clamp(16px,5vw,70px);display:flex;flex-direction:column;gap:10px;background-image:radial-gradient(var(--line) .7px,transparent .7px);background-size:18px 18px}.message-wrap{display:flex;width:100%}.message-wrap.mine{justify-content:flex-end}.bubble{max-width:min(75%,580px);padding:12px 14px 24px;border-radius:16px;background:var(--bubble);border:1px solid var(--line);box-shadow:0 3px 10px #182b4510;line-height:1.5;overflow-wrap:anywhere;position:relative}.mine .bubble{background:var(--mine);border-color:transparent;border-bottom-right-radius:5px}.theirs .bubble{border-bottom-left-radius:5px}.bubble time{position:absolute;right:10px;bottom:5px;font-size:10px;color:var(--muted)}.composer{margin:14px 22px 0;display:flex;align-items:center;gap:12px;padding:8px 9px 8px 17px;background:var(--panel);border:1px solid var(--line);border-radius:17px;box-shadow:0 8px 28px #182b450a}.composer textarea{resize:none;max-height:130px;flex:1;border:0;outline:none;background:transparent;color:var(--text);padding:10px 0}.send-btn{width:43px;height:43px;border:0;border-radius:14px;background:var(--primary);color:white;font-size:19px}.send-btn:disabled{opacity:.5}.composer-note{text-align:center;color:var(--muted);font-size:10px;padding:9px 12px 14px}.welcome-pane{margin:auto;text-align:center;padding:30px;max-width:450px}.welcome-icon{width:84px;height:84px;margin:0 auto 24px;border-radius:28px;display:grid;place-items:center;font-size:36px;color:var(--primary);background:linear-gradient(135deg,#3b82f61c,#20c99720)}.welcome-pane h1{font-size:27px;letter-spacing:-.8px}.welcome-pane p{color:var(--muted);line-height:1.7;margin:12px 0 24px}.welcome-pane .btn{margin:4px}.topline{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}.topline .brand{font-size:14px}.result-row{display:flex;align-items:center;gap:13px;padding:15px 0;border-bottom:1px solid var(--line)}.result-row form{margin-left:auto}.panel{border:1px solid var(--line);border-radius:17px;padding:20px;margin:18px 0;background:var(--panel2)}.panel h2{font-size:16px;margin:0 0 16px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-grid button{align-self:end}.bot-row{display:flex;gap:14px;padding:17px 0;border-bottom:1px solid var(--line)}.bot-avatar{width:44px;height:44px;display:grid;place-items:center;background:linear-gradient(135deg,#3478f6,#29c5a4);color:#fff;border-radius:15px;font-size:21px}.bot-info{flex:1;min-width:0;display:grid;gap:6px}.bot-info>span{color:var(--muted);font-size:12px}.webhook-form{display:flex;gap:8px;margin-top:8px}.webhook-form .btn{flex-shrink:0}.token-box{padding:18px;border-radius:15px;border:1px solid #22a87950;background:#22a8790d;display:grid;gap:10px}.token-box code,pre{white-space:pre-wrap;overflow-wrap:anywhere;background:var(--panel2);border:1px solid var(--line);padding:12px;border-radius:10px;color:var(--text)}pre{font-size:12px;line-height:1.6}.check-row{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--line)}.ok{color:#179a68}.bad{color:#d34848}@media(max-width:760px){.messenger-page{padding:0;min-height:100vh;height:100dvh}.messenger-shell{border-radius:0;border:0;grid-template-columns: minmax(0,1fr)}.sidebar{display:none}.chat-pane{height:100dvh}.chat-header{padding:14px}.messages{padding:18px 12px}.bubble{max-width:88%}.composer{margin:10px 10px 0}.composer-note{padding-bottom:10px}.auth-card{padding:26px 22px}.wide-card{padding:22px 18px;border-radius:0;min-height:100vh}.auth-page{padding:0}.form-grid{grid-template-columns:1fr}.webhook-form{flex-direction:column}.secure-pill{display:none}}