.iap-shell{width:100%;max-width:920px;margin:22px auto;padding:12px;box-sizing:border-box;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:#111827}.iap-card{background:linear-gradient(180deg,#fff,#f8fafc);border:1px solid rgba(15,23,42,.10);border-radius:22px;box-shadow:0 18px 50px rgba(15,23,42,.12);overflow:hidden}.iap-head{display:flex;align-items:center;gap:12px;padding:18px 18px 14px;border-bottom:1px solid rgba(15,23,42,.08);background:rgba(255,255,255,.82);backdrop-filter:blur(8px)}.iap-logo{width:48px;height:48px;border-radius:16px;display:grid;place-items:center;background:#ffefe7;color:#ff5b23;flex:0 0 auto}.iap-head h2{font-size:20px;line-height:1.1;margin:0;font-weight:850;letter-spacing:-.02em;color:#111827}.iap-head p{font-size:13px;margin:4px 0 0;color:#64748b}.iap-pill{margin-left:auto;background:#111827;color:#fff;border-radius:999px;padding:7px 10px;font-size:12px;font-weight:800;letter-spacing:.04em}.iap-messages{height:min(68vh,620px);min-height:390px;overflow:auto;padding:18px;display:flex;flex-direction:column;gap:10px;background:radial-gradient(circle at 15% 0%,rgba(255,107,61,.08),transparent 35%),#f8fafc}.iap-msg{max-width:82%;padding:12px 14px;border-radius:18px;font-size:15px;line-height:1.45;box-shadow:0 6px 22px rgba(15,23,42,.06);word-wrap:break-word}.iap-bot{align-self:flex-start;background:#fff;color:#172033;border:1px solid rgba(15,23,42,.07);border-bottom-left-radius:6px}.iap-user{align-self:flex-end;background:#ff6b3d;color:#fff;border-bottom-right-radius:6px}.iap-thinking{opacity:.74}.iap-form{display:flex;gap:10px;align-items:flex-end;padding:14px;border-top:1px solid rgba(15,23,42,.08);background:#fff}.iap-input{flex:1;resize:none;min-height:46px;max-height:140px;border:1px solid rgba(15,23,42,.14);border-radius:16px;padding:13px 14px;font:inherit;outline:none;background:#f8fafc;color:#111827;box-sizing:border-box}.iap-input:focus{border-color:#ff6b3d;box-shadow:0 0 0 4px rgba(255,107,61,.13);background:#fff}.iap-send{width:48px;height:48px;border:0;border-radius:16px;background:#111827;color:#fff;display:grid;place-items:center;cursor:pointer;transition:transform .15s ease,opacity .15s ease}.iap-send:hover{transform:translateY(-1px)}.iap-send:disabled{opacity:.45;cursor:not-allowed;transform:none}.iap-note{text-align:center;font-size:12px;color:#64748b;padding:0 12px 14px;background:#fff}.iap-login-box{padding:28px;display:grid;gap:16px;text-align:center;color:#111827}.iap-login-btn{display:inline-flex;justify-content:center;align-items:center;min-height:44px;padding:0 18px;border-radius:14px;text-decoration:none;background:#ff6b3d;color:#fff!important;font-weight:800;justify-self:center}@media(max-width:640px){.iap-shell{padding:8px;margin:8px auto}.iap-card{border-radius:18px}.iap-head{padding:14px}.iap-logo{width:42px;height:42px;border-radius:14px}.iap-head h2{font-size:17px}.iap-head p{font-size:12px}.iap-messages{height:65vh;min-height:360px;padding:12px}.iap-msg{max-width:90%;font-size:14px}.iap-form{padding:10px}.iap-input{border-radius:14px}.iap-send{width:46px;height:46px;border-radius:14px}}