@import url("https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Space+Grotesk:wght@500;600;700&display=swap");:root{font-family:"DM Sans",system-ui,sans-serif;color:#17213d;background:#f7f9ff;line-height:1.5}*{box-sizing:border-box}body{margin:0}.appbar{height:72px;background:#fff;border-bottom:1px solid #e3e8f5;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(20px,5vw,72px);position:sticky;top:0;z-index:4}.brand{display:flex;align-items:center;gap:10px;color:#17213d;text-decoration:none;font-family:"Space Grotesk"}.brand img{width:34px;height:34px;object-fit:contain}.appbar nav{display:flex;gap:16px;align-items:center}.appbar nav a,.link{color:#40517a;text-decoration:none;font-weight:600}.button{border:0;border-radius:10px;background:#2f53d0;color:#fff;padding:11px 16px;font:600 14px inherit;cursor:pointer;text-decoration:none;display:inline-block}.button.secondary{background:#eef2ff;color:#2f53d0}.small{padding:8px 11px;font-size:13px}.shell{max-width:1120px;margin:0 auto;padding:50px 22px}.narrow{max-width:680px}.eyebrow{color:#2f53d0;text-transform:uppercase;letter-spacing:.12em;font-weight:700;font-size:12px}h1,h2,h3{font-family:"Space Grotesk",sans-serif;line-height:1.15}.muted{color:#687797}.card{background:#fff;border:1px solid #e1e7f4;border-radius:18px;padding:24px;box-shadow:0 10px 30px #263c7810}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px}.stack{display:grid;gap:14px}.row{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.input,textarea{width:100%;border:1px solid #ccd5e9;border-radius:10px;padding:12px 13px;font:inherit;background:#fff}label{font-weight:600;font-size:14px;display:grid;gap:6px}.message-list{display:grid;gap:12px;margin:20px 0}.message{padding:14px 16px;border-radius:14px;background:#f0f3fc}.message.ai{background:#e8edff;border-left:3px solid #2f53d0}.message .meta{font-size:12px;color:#7180a0;margin-bottom:4px}.session-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:20px}.sidebar{align-self:start;position:sticky;top:92px}.pill{font-size:12px;background:#eef2ff;color:#2f53d0;border-radius:99px;padding:5px 9px;font-weight:700}.empty{text-align:center;color:#7180a0;padding:30px}.invite{background:#f1f5ff;border-radius:10px;padding:12px;word-break:break-all;font-size:13px}#toast{position:fixed;right:20px;bottom:20px;background:#17213d;color:#fff;padding:12px 16px;border-radius:10px;display:none;z-index:10}.error{color:#a52b35;background:#fff0f0;padding:12px;border-radius:10px}@media(max-width:760px){.session-layout{grid-template-columns:1fr}.sidebar{position:static}.appbar nav{gap:8px}.appbar nav a:not(.button){display:none}}