/* 🤖 ∞: calm purple, readable text, one conversation list. */
:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#252332;background:#faf9fd;font-synthesis:none;--accent:#6550ce;--ink:#252332;--muted:#706c7f;--line:#eae7f0;--surface:#fff;--soft:#f1eef9;color-scheme:light}
*{box-sizing:border-box}body{margin:0}button,input,textarea{font:inherit}button,a,input,textarea,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer;border:0;border-radius:12px;padding:11px 17px;background:var(--soft);color:var(--ink);font-weight:600}button:hover{filter:brightness(.96)}button:disabled{cursor:default;opacity:.55}button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #a997f0;outline-offset:3px}.primary{background:var(--accent);color:#fff}.quiet{background:transparent;color:var(--accent)}.small{padding:8px 13px;font-size:13px}.danger{color:#a83248}p{line-height:1.6}h1,h2,h3,p{margin-top:0}.mark{display:block;flex:none}.muted,.footnote{color:var(--muted)}.footnote{font-size:13px}.loading{display:grid;place-items:center;min-height:100dvh;color:var(--muted)}.shell{height:100dvh;display:grid;grid-template-columns:340px 1fr;max-width:1600px;margin:auto;background:var(--surface)}.sidebar{min-width:0;border-right:1px solid var(--line);display:flex;flex-direction:column;background:var(--surface)}.sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:28px 22px 18px;gap:12px}.brand{display:flex;gap:12px;align-items:center;font-size:20px;font-weight:700;letter-spacing:-.5px}.brand .mark{width:35px;height:35px}.search-wrap{padding:0 20px 20px}input[type=search]{width:100%;border:0;background:#f4f2f7;border-radius:12px;padding:11px 14px;font-size:14px;color:var(--ink)}.thread-list{flex:1;overflow:auto;padding:0 10px}.thread-row{display:flex;align-items:center;gap:12px;width:100%;text-align:left;background:transparent;padding:14px 12px;border-radius:13px;margin:3px 0;font-weight:400}.thread-row.active{background:#eee9fc}.avatar{width:44px;height:44px;border-radius:50%;display:inline-grid;place-items:center;flex:none;font-size:18px;font-weight:600;background:#e8e1fa;color:#6550a7}.thread-summary{min-width:0;flex:1}.thread-top{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:6px}.thread-top strong{font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.thread-top time{font-size:11px;color:var(--muted);flex:none}.preview{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:13px;color:var(--muted)}.list-empty{padding:25px 10px;text-align:center;color:var(--muted);font-size:14px}.account-menu{border-top:1px solid var(--line);padding:15px 22px;position:relative}.account-menu summary{display:flex;gap:12px;align-items:center;cursor:pointer;font-size:14px}.account-menu summary .muted{margin-left:auto}.account-menu .avatar{width:32px;height:32px;font-size:14px}.menu-items{position:absolute;bottom:75px;left:16px;right:16px;background:var(--surface);border:1px solid var(--line);border-radius:15px;padding:8px;box-shadow:0 12px 36px #231d4315;z-index:2}.menu-items button{display:block;text-align:left;width:100%;background:transparent;font-size:14px}.connection{font-size:12px;color:var(--muted);margin:0;padding:0 15px}.connection:not(:empty){padding:10px 15px}.empty-pane{display:flex;align-items:center;justify-content:center;flex-direction:column;background:radial-gradient(ellipse at center,#f2eefc 0%,#faf9fd 70%);padding:30px;text-align:center}.empty-pane .mark{width:88px;height:88px;margin-bottom:30px}.empty-pane h1{font-size:34px;letter-spacing:-1.1px;margin-bottom:12px}.empty-pane p{color:var(--muted);margin-bottom:27px}.encryption-note{font-size:12px;color:var(--muted);margin-top:25px}.conversation{display:flex;flex-direction:column;min-width:0;min-height:0;background:#fbfafd}.chat-header{height:90px;display:flex;align-items:center;gap:14px;padding:18px 30px;background:var(--surface);border-bottom:1px solid var(--line)}.chat-title{flex:1;min-width:0}.chat-title h1{font-size:17px;margin:0 0 4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-title p{font-size:12px;color:var(--muted);margin:0}.back{display:none}.messages{flex:1;overflow:auto;padding:25px 40px;display:flex;flex-direction:column;gap:8px;overscroll-behavior:contain}.date-label{text-align:center;color:var(--muted);font-size:11px;margin:14px 0}.message{max-width:min(76%,560px);padding:11px 15px 8px;border-radius:19px;align-self:flex-start;background:var(--surface);box-shadow:0 1px 3px #21113b0b;min-width:74px;overflow-wrap:anywhere}.message.mine{align-self:flex-end;background:var(--accent);color:#fff;border-bottom-right-radius:5px}.message.theirs{border-bottom-left-radius:5px;border:1px solid #efebf4}.message p{margin:0;white-space:pre-wrap;font-size:15px;line-height:1.5}.message time{display:block;text-align:right;margin-top:4px;font-size:10px;opacity:.8}.sender-name{font-size:11px;display:block;margin-bottom:4px;color:var(--accent)}.composer{display:flex;align-items:flex-end;gap:12px;padding:16px 28px 24px;background:var(--surface);border-top:1px solid var(--line)}.composer textarea{resize:none;flex:1;border:1px solid var(--line);background:#faf9fc;border-radius:24px;padding:13px 19px;line-height:22px;min-height:48px;max-height:140px;color:var(--ink)}.send{border-radius:50%;height:46px;width:46px;padding:0;font-size:26px}.composer-note{background:var(--surface);padding:0 28px}.start-note{margin:auto;text-align:center;color:var(--muted);font-size:13px}.request{background:var(--soft);border-radius:14px;margin:8px 2px 14px;padding:15px}.request strong{font-size:14px}.request p{font-size:12px;margin:5px 0 10px}.actions{display:flex;gap:8px}.welcome-wrap{min-height:100dvh;display:grid;place-items:center;padding:32px 20px;background:radial-gradient(ellipse at 50% 25%,#eee8ff,#faf9fd 65%)}.welcome{width:min(100%,440px)}.welcome>.mark{width:72px;height:72px;margin-bottom:34px}.welcome h1{font-size:42px;line-height:1.12;letter-spacing:-1.7px;max-width:400px;margin-bottom:20px}.lead{font-size:20px;color:#58516f}.welcome form{margin:25px 0 16px}.welcome form>.primary{width:100%}.welcome>.quiet{padding-left:0}.field{display:flex;flex-direction:column;gap:9px;font-size:13px;font-weight:600;margin:18px 0}.field input{width:100%;padding:13px 14px;border:1px solid #d9d3e6;border-radius:11px;background:var(--surface);color:var(--ink);font-size:16px}.notice{font-size:13px;color:var(--muted);padding:9px 0;margin:0}.error{color:#a83248}.onboard-form .field{margin-top:0}dialog{width:min(92vw,480px);max-height:85dvh;overflow:auto;border:1px solid var(--line);border-radius:22px;padding:25px;color:var(--ink);background:var(--surface);box-shadow:0 25px 100px #20103d33}dialog::backdrop{background:#21182d55;backdrop-filter:blur(3px)}dialog header{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:20px}dialog h2{font-size:20px;margin:0}dialog header button{font-size:12px;padding:7px}dialog p{font-size:14px;color:var(--muted)}dialog textarea{width:100%;padding:12px;border:1px solid var(--line);border-radius:10px;margin:10px 0;resize:vertical;font-size:12px;color:var(--ink);background:var(--soft)}dialog form>.primary{width:100%;margin-top:12px}.choices label{display:flex;align-items:center;gap:12px;padding:12px 0}.choices input{width:18px;height:18px;accent-color:var(--accent)}.member{display:flex;align-items:center;justify-content:space-between;padding:10px 0}.safety{font-size:15px;line-height:1.8;white-space:pre-wrap;text-align:center;background:var(--soft);padding:18px;border-radius:14px}
@media(max-width:700px){.shell{display:block}.sidebar,.conversation{height:100dvh}.sidebar-header{padding-top:max(22px,env(safe-area-inset-top))}.empty-pane{display:none}.conversation-open .sidebar{display:none}.shell:not(.conversation-open) .conversation{display:none}.chat-header{height:auto;min-height:76px;padding:14px 16px;padding-top:max(14px,env(safe-area-inset-top));gap:10px}.back{display:block;font-size:32px;padding:0 5px}.chat-header .avatar{width:37px;height:37px;font-size:16px}.chat-title p{font-size:10px}.chat-header>.quiet:last-child{font-size:12px;padding:8px}.messages{padding:10px 15px}.message{max-width:85%}.composer{padding:12px 13px max(14px,env(safe-area-inset-bottom));gap:8px}.welcome h1{font-size:37px}.account-menu{padding-bottom:max(16px,env(safe-area-inset-bottom))}}
@media(prefers-color-scheme:dark){:root{--accent:#7965de;--ink:#f0edf8;--muted:#aaa3bb;--line:#302b3c;--surface:#211d2a;--soft:#30283f;color:var(--ink);background:#19161f;color-scheme:dark}.empty-pane,.welcome-wrap{background:radial-gradient(ellipse at center,#302440,#19161f 75%)}.conversation{background:#19161f}input[type=search],.composer textarea{background:#2a2433}.thread-row.active{background:#372c4d}.avatar{background:#423258;color:#d4c2ef}.message.theirs{border-color:#383044}.lead{color:#c2b6d3}.field input{border-color:#493d59}.error,.danger{color:#f7a5b2}}