@import url("https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600&family=Playfair+Display:wght@400;600&display=swap");*{margin:0;padding:0;box-sizing:border-box}:root{--ct-blue:hsla(214,52%,24.5%,1);--ct-blue-light:hsla(214,40%,32%,1);--ct-blue-faint:hsla(214,30%,94%,1);--ct-cream:#fef7ef;--ct-text:#333333;--ct-text-secondary:#6b7280;--ct-white:#ffffff;--ct-border:#e5e0da;--ct-radius:12px}body{font-family:Montserrat,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--ct-text);-webkit-font-smoothing:antialiased}.login-container,body{background:var(--ct-cream);min-height:100vh}.login-container{display:flex;align-items:center;justify-content:center;padding:20px}.login-card{background:var(--ct-white);border:1px solid var(--ct-border);border-radius:16px;padding:48px 40px;width:100%;max-width:420px;text-align:center;box-shadow:0 4px 24px rgba(0,0,0,.06)}.login-card h1{font-family:Playfair 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code{background:none;padding:0;font-size:13px;color:var(--ct-text)}.message.assistant blockquote{border-left:3px solid var(--ct-blue);padding-left:14px;margin:10px 0;color:var(--ct-text-secondary);font-style:italic}.message.assistant hr{border:none;border-top:1px solid var(--ct-border);margin:14px 0}.message.assistant a{color:var(--ct-blue);text-decoration:underline;text-underline-offset:2px}.message.assistant table{width:100%;border-collapse:collapse;margin:10px 0;font-size:14px}.message.assistant th{background:var(--ct-blue-faint);color:var(--ct-blue);font-weight:600;text-align:left}.message.assistant td,.message.assistant th{padding:8px 12px;border:1px solid var(--ct-border)}.welcome{text-align:center;color:var(--ct-text-secondary);font-size:15px;padding:60px 24px;line-height:1.65}.welcome h2{font-family:Playfair Display,Georgia,serif;font-size:24px;font-weight:400;color:var(--ct-blue);margin-bottom:10px}.input-area{padding:16px 24px 20px;background:var(--ct-cream);border-top:none}.input-area form{display:flex;gap:10px;background:var(--ct-white);padding:12px;border-radius:14px;border:1px solid var(--ct-border);box-shadow:0 2px 12px rgba(0,0,0,.05)}.input-area textarea{flex:1 1;padding:12px 14px;border:none;border-radius:8px;font-size:15px;font-family:Montserrat,sans-serif;resize:none;outline:none;min-height:44px;max-height:120px;background:transparent}.input-area textarea::placeholder{color:var(--ct-text-secondary)}.input-area button[type=submit]{padding:12px 32px;background:var(--ct-blue);color:var(--ct-white);border:none;border-radius:8px;font-size:13px;font-family:Montserrat,sans-serif;font-weight:600;letter-spacing:.5px;text-transform:uppercase;cursor:pointer;transition:background .2s;white-space:nowrap;min-width:100px}.input-area button[type=submit]:hover{background:var(--ct-blue-light)}.input-area button[type=submit]:disabled{opacity:.4;cursor:not-allowed}.error-banner{background:#fef2f2;color:#b91c1c;padding:10px 16px;font-size:13px;text-align:center;border-bottom:1px solid #fecaca}@media (max-width:640px){.chat-container{max-width:100%}.message{max-width:92%;padding:14px 16px;font-size:14px}.messages{padding:16px}.input-area{padding:12px 16px 16px}.login-card{padding:36px 28px}}