:root{color-scheme:dark;--bg:#08090a;--panel:#0f1011;--surface:#191a1b;--text:#f7f8f8;--secondary:#d0d6e0;--muted:#8a8f98;--quiet:#62666d;--accent:#7170ff;--accent-dark:#5e6ad2;--border:rgba(255,255,255,.08);--subtle:rgba(255,255,255,.04)}*{box-sizing:border-box}html{font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;font-feature-settings:"cv01","ss03"}body{margin:0;background:radial-gradient(circle at 70% -20%,rgba(94,106,210,.14),transparent 34%),var(--bg);color:var(--text);min-height:100vh}a{color:inherit;text-decoration:none}button,input{font:inherit}.topbar{position:sticky;top:0;z-index:10;height:64px;padding:0 max(20px,calc((100vw - 1200px)/2));display:flex;align-items:center;justify-content:space-between;background:rgba(8,9,10,.88);backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.05)}.brand{display:flex;align-items:center;gap:10px;font-weight:510}.brand-mark{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;background:linear-gradient(145deg,var(--accent),var(--accent-dark));box-shadow:0 0 32px rgba(113,112,255,.2);font-weight:590}.brand-mark.small{width:28px;height:28px;border-radius:8px;font-size:13px}.shell{max-width:1120px;margin:0 auto;padding:68px 24px 100px}.shell.narrow{max-width:840px}.hero h1,.conversation-head h1{font-size:clamp(36px,6vw,64px);line-height:1;letter-spacing:-1.4px;font-weight:510;margin:10px 0 18px}.eyebrow,.source{font:500 11px/1.4 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.08em;color:var(--muted)}.muted{color:var(--muted);line-height:1.6}.filters{margin:40px 0 24px;display:grid;grid-template-columns:minmax(240px,1fr) 180px auto auto;gap:12px;align-items:end;padding:16px;border:1px solid var(--border);background:rgba(255,255,255,.02);border-radius:12px}.filters label,.stack label{display:grid;gap:7px;color:var(--muted);font-size:12px}.filters input,.stack input{width:100%;border:1px solid var(--border);background:rgba(255,255,255,.025);color:var(--text);border-radius:7px;padding:11px 12px;outline:none}.filters input:focus,.stack input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(113,112,255,.12)}button,.button-link{border:1px solid rgba(255,255,255,.08);background:var(--accent-dark);color:white;padding:11px 16px;border-radius:7px;cursor:pointer;font-weight:510}.ghost,.ghost-link{background:rgba(255,255,255,.03);border:1px solid var(--border);color:var(--secondary)}.ghost-link{padding:10px 14px;border-radius:7px;text-align:center}.conversation-list{display:grid;gap:10px}.conversation-card{display:flex;justify-content:space-between;gap:20px;padding:22px;border:1px solid rgba(255,255,255,.06);border-radius:10px;background:rgba(255,255,255,.018);transition:background .15s,border-color .15s,transform .15s}.conversation-card:hover{background:rgba(255,255,255,.045);border-color:rgba(255,255,255,.12);transform:translateY(-1px)}.conversation-card h2{font-size:18px;font-weight:510;margin:9px 0 6px}.conversation-card p,.conversation-card time{font-size:13px;color:var(--quiet)}.status-dot{display:inline-block;width:7px;height:7px;margin-right:7px;border-radius:50%;background:#10b981;box-shadow:0 0 8px rgba(16,185,129,.55)}.empty,.login-card{border:1px solid var(--border);background:rgba(255,255,255,.025);border-radius:14px;padding:36px}.login-page{display:grid;place-items:center;padding:24px}.login-card{width:min(440px,100%);box-shadow:0 24px 80px rgba(0,0,0,.35)}.login-card h1{font-size:30px;letter-spacing:-.7px;font-weight:510;margin:18px 0 8px}.stack{display:grid;gap:16px;margin-top:28px}.error{margin-top:18px;padding:12px;border:1px solid rgba(255,80,80,.25);border-radius:7px;background:rgba(255,80,80,.08);color:#ffb4b4}.conversation-head{padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.06)}.conversation-head h1{font-size:clamp(32px,5vw,48px)}.thread{display:grid;gap:18px;padding-top:32px}.message{max-width:86%;padding:18px 20px;border:1px solid var(--border);border-radius:12px;background:rgba(255,255,255,.025)}.message.user{margin-left:auto;background:rgba(94,106,210,.12);border-color:rgba(113,112,255,.24)}.message-meta{display:flex;justify-content:space-between;gap:20px;margin-bottom:12px;font-size:12px;color:var(--muted)}.message-meta strong{color:var(--secondary);font-weight:510}.message-content{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.65;color:var(--secondary)}@media(max-width:720px){.shell{padding:42px 16px 70px}.filters{grid-template-columns:1fr}.conversation-card{display:block}.conversation-card time{display:block;margin-top:12px}.message{max-width:96%}.topbar{padding:0 16px}}
