@import"https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600&display=swap";:root{font-family:Space Grotesk,Segoe UI,sans-serif;line-height:1.5;font-weight:400;color:#0f172a;background-color:#eef1f6;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at top,#f8fafc,#e8edf5 45%,#dfe5ef)}#root{min-height:100vh}button,input,textarea{font-family:inherit}:root{color:#0f172a}.page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:#f8fafc}.chat{width:min(720px,100%);background:#fff;border-radius:16px;border:1px solid #e2e8f0;box-shadow:0 8px 24px #0f172a14;padding:24px;display:flex;flex-direction:column;gap:16px}.chat-header{display:flex;justify-content:space-between;align-items:center;gap:16px}.eyebrow{font-size:.75rem;text-transform:uppercase;letter-spacing:.2em;margin:0 0 6px;color:#64748b}h1{margin:0;font-size:1.5rem}.provider{display:flex;flex-direction:column;font-size:.85rem;gap:6px;color:#334155}.provider select{border-radius:10px;border:1px solid #cbd5f5;padding:6px 10px;background:#fff}.error{background:#fee2e2;border:1px solid #fecaca;padding:10px 12px;border-radius:10px;color:#991b1b}.history{min-height:320px;max-height:55vh;overflow-y:auto;border:1px solid #e2e8f0;border-radius:12px;padding:16px;display:flex;flex-direction:column;gap:10px;background:#f8fafc}.empty{margin:0;color:#64748b;font-size:.95rem}.bubble{max-width:75%;padding:10px 12px;border-radius:12px;background:#fff;border:1px solid #e2e8f0;line-height:1.4}.bubble.user{align-self:flex-end;background:#0f172a;color:#fff;border-color:#0f172a}.bubble.assistant{align-self:flex-start}.composer{display:grid;grid-template-columns:1fr auto;gap:12px}.composer textarea{border-radius:12px;border:1px solid #cbd5f5;padding:10px 12px;font-size:.95rem;resize:none}.composer textarea:disabled{background:#f1f5f9}.composer button{border:none;border-radius:999px;padding:10px 18px;background:#2563eb;color:#fff;font-weight:600;cursor:pointer}.composer button:disabled{background:#94a3b8;cursor:not-allowed}@media(max-width:640px){.chat{padding:20px}.chat-header{flex-direction:column;align-items:flex-start}.composer{grid-template-columns:1fr}}