.istpnchat-root{--istpnchat-accent:#1464bc;--istpnchat-navy:#071a36;--istpnchat-border:#e0e7ef;--istpnchat-shadow:0 20px 65px rgba(3,21,50,.26);position:fixed;bottom:22px;right:22px;z-index:2147482000;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;color:#12253f;font-size:14px;line-height:1.45;box-sizing:border-box}.istpnchat-root *,.istpnchat-root *::before,.istpnchat-root *::after{box-sizing:border-box}.istpnchat-root [hidden]{display:none!important}.istpnchat-launcher{display:flex;align-items:center;gap:10px;border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:13px 18px;background:linear-gradient(145deg,var(--istpnchat-accent),#0c2e65);box-shadow:0 8px 24px rgba(9,48,106,.28);color:#fff;font:inherit;font-size:14px;font-weight:750;letter-spacing:.2px;cursor:pointer;transition:transform .18s , box-shadow .18s}.istpnchat-launcher:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(9,48,106,.36)}.istpnchat-launcher:focus-visible,.istpnchat-root button:focus-visible,.istpnchat-root textarea:focus-visible{outline:3px solid #72caff;outline-offset:3px}.istpnchat-panel{position:absolute;bottom: calc(100% + 14px);right:0;width:min(390px,calc(100vw - 24px));height:min(610px,calc(100dvh - 116px));display:flex;flex-direction:column;border-radius:18px;overflow:hidden;border:1px solid rgba(15,51,105,.18);background:#fff;box-shadow:var(--istpnchat-shadow)}.istpnchat-header{display:flex;align-items:center;gap:12px;padding:17px 17px;background:linear-gradient(125deg,#061b3c,#103f7f 78%,var(--istpnchat-accent));color:#fff}.istpnchat-avatar{width:43px;height:43px;display:grid;place-items:center;flex-shrink:0;border-radius:13px;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.23);color:#d7f6ff;font-weight:850;font-size:16px}.istpnchat-heading{display:flex;flex-direction:column;min-width:0;flex:1}.istpnchat-heading strong{font-size:17px;letter-spacing:.2px;color:#fff}.istpnchat-heading small{font-size:11px;color:#d3e4fa}.istpnchat-close{margin-left:auto;background:rgba(255,255,255,.13);border:none;border-radius:9px;color:#fff;width:34px;height:34px;font-size:26px;line-height:1;cursor:pointer;padding:0}.istpnchat-close:hover{background:rgba(255,255,255,.23)}.istpnchat-status{padding:8px 16px;color:#45637f;font-size:11px;background:#f1f5fa;border-bottom:1px solid var(--istpnchat-border)}.istpnchat-messages{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:18px 15px;background:#f9fbfe}.istpnchat-message{display:flex;flex-direction:column;align-items:flex-start;margin:0 0 15px}.istpnchat-message-user{align-items:flex-end}.istpnchat-bubble{max-width:91%;background:#fff;border:1px solid #e4ebf4;padding:11px 13px;border-radius:14px 14px 14px 4px;color:#18324c;font-size:13px;box-shadow:0 2px 6px rgba(19,56,105,.03)}.istpnchat-message-user .istpnchat-bubble{color:#fff;border-color:transparent;background:var(--istpnchat-accent);border-radius:14px 14px 4px 14px}.istpnchat-bubble p{margin:0!important;padding:0!important;white-space:pre-wrap;overflow-wrap:anywhere;color:inherit!important;font:inherit}.istpnchat-sources{display:flex;flex-direction:column;gap:6px;max-width:95%;margin:8px 0 0 3px;padding-left:10px;border-left:2px solid var(--istpnchat-accent);font-size:12px}.istpnchat-sources strong{color:#60728b;font-size:11px;font-weight:700}.istpnchat-sources a{display:block;color:#105ba9;text-decoration:underline;overflow-wrap:anywhere}.istpnchat-sources a:hover{color:#0b3772}.istpnchat-thinking .istpnchat-bubble{animation:istpnchat-pulse 1.3s ease-in-out infinite alternate}@keyframes istpnchat-pulse { from { opacity: .52; } to { opacity: 1; } }.istpnchat-suggestions{display:flex;gap:6px;flex-wrap:wrap;background:#fff;padding:8px 12px 0}.istpnchat-suggestions button{border:1px solid #dbe6f4;border-radius:20px;background:#f3f7fc;color:#21578d;padding:6px 9px;cursor:pointer;font:inherit;font-size:11px}.istpnchat-suggestions button:hover{background:#e4f1ff}.istpnchat-form{display:flex;align-items:flex-end;gap:8px;padding:12px 12px 8px;border-top:1px solid var(--istpnchat-border);margin:0;background:#fff}.istpnchat-form textarea{width:100%;min-width:0;min-height:41px;max-height:110px;resize:none;border:1px solid #dbe4ef;border-radius:12px;padding:10px 11px;background:#fff;color:#152c47;font:inherit;font-size:13px;line-height:1.4;box-shadow:none;margin:0}.istpnchat-form textarea:focus{border-color:var(--istpnchat-accent)}.istpnchat-send{width:42px;height:42px;flex-shrink:0;display:grid;place-items:center;border:0;border-radius:12px;background:var(--istpnchat-accent);color:#fff;cursor:pointer;padding:0}.istpnchat-send:hover{filter:brightness(.91)}.istpnchat-send:disabled{opacity:.55;cursor:wait}.istpnchat-footnote{padding:3px 12px 10px;text-align:center;font-size:10px;color:#71839a;background:#fff}.istpnchat-sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}@media (max-width:520px){.istpnchat-root{bottom:12px;right:12px}.istpnchat-panel{width:calc(100vw - 24px);height:min(630px,calc(100dvh - 90px));bottom:66px;border-radius:15px}.istpnchat-launcher{padding:12px 15px}}@media (prefers-reduced-motion:reduce){.istpnchat-root *,.istpnchat-root *::before{animation:none!important;transition:none!important}}