@import"https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;600;700&family=IBM+Plex+Sans+Condensed:wght@400;600&display=swap";:root{--bg-top: #f7f2df;--bg-bottom: #f2e6c9;--ink: #1e2b27;--muted: #54635f;--accent: #0f766e;--card: rgba(255, 252, 245, .82);--line: rgba(30, 43, 39, .15)}*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:IBM Plex Sans Condensed,sans-serif;color:var(--ink);background:linear-gradient(170deg,var(--bg-top),var(--bg-bottom))}.page{min-height:100vh;padding:24px;position:relative}.aurora{position:fixed;top:-20%;right:-20%;bottom:-20%;left:-20%;background:radial-gradient(circle at 20% 15%,rgba(15,118,110,.15),transparent 35%),radial-gradient(circle at 80% 75%,rgba(245,121,32,.2),transparent 38%);animation:drift 14s ease-in-out infinite alternate;pointer-events:none}.chat-shell{position:relative;max-width:860px;margin:0 auto;border:1px solid var(--line);border-radius:28px;background:var(--card);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:0 20px 48px #1a221f2e;overflow:hidden}.chat-head{padding:20px 24px;border-bottom:1px solid var(--line)}.chat-head-row{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.chat-head h1{margin:0;font-family:Space Grotesk,sans-serif;letter-spacing:.02em}.chat-head p{margin:6px 0 0;color:var(--muted)}.auth-btn{border:1px solid rgba(15,118,110,.45);background:#ecf8f6;color:#11403c;border-radius:999px;padding:8px 14px;cursor:pointer;font:inherit}.auth-state{display:block;margin-top:8px;color:var(--muted)}.messages{min-height:340px;max-height:56vh;overflow:auto;padding:18px 20px;display:flex;flex-direction:column;gap:12px}.empty{color:var(--muted)}.msg{max-width:82%;padding:12px 14px;border-radius:16px;border:1px solid var(--line);animation:pop .18s ease-out}.msg.user{margin-left:auto;background:#d6ebe8}.msg.bot{background:#fffef9}.msg p{margin:0}.msg small{display:block;margin-top:6px;color:var(--muted)}.button-strip{display:flex;flex-wrap:wrap;gap:8px;padding:0 20px 16px}.button-strip button{border:1px solid rgba(15,118,110,.45);background:#ecf8f6;color:#11403c;border-radius:999px;padding:8px 14px;cursor:pointer}.composer{display:grid;grid-template-columns:1fr auto;gap:10px;padding:16px 20px 20px;border-top:1px solid var(--line)}.composer input{border:1px solid var(--line);border-radius:12px;padding:12px;font:inherit}.composer button{border:none;border-radius:12px;padding:12px 16px;background:var(--accent);color:#f1fffd;font-weight:600;cursor:pointer}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#121d1c6b;display:grid;place-items:center;z-index:12;padding:16px}.auth-modal{width:min(94vw,420px);border:1px solid var(--line);border-radius:16px;background:#fffef9;box-shadow:0 20px 48px #1a221f38;padding:14px}.auth-modal-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:8px}.auth-modal h2{margin:0;font-family:Space Grotesk,sans-serif}.close-btn{border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:8px;padding:4px 8px;cursor:pointer}.auth-form{display:grid;gap:8px}.auth-form input{border:1px solid var(--line);border-radius:10px;padding:10px;font:inherit}.auth-form button{border:none;border-radius:10px;padding:10px 14px;background:var(--accent);color:#f1fffd;font-weight:600;cursor:pointer}.auth-error{margin:0;color:#a02121}@keyframes pop{0%{transform:translateY(8px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes drift{0%{transform:translate(-2%) translateY(-1%)}to{transform:translate(2%) translateY(1%)}}@media(max-width:720px){.page{padding:12px}.chat-shell{border-radius:20px}.chat-head-row{align-items:center}.msg{max-width:94%}}