:root{
  --bg:#0f172a; --card:#111827; --text:#e5e7eb; --muted:#9ca3af; --brand:#38bdf8; --brand-2:#06b6d4; --line:#1f2937;
}
/* Scoped styles: IDs ensure minimal conflict */
#chat-bubble{position:fixed;bottom:20px;right:20px;background:linear-gradient(135deg,var(--brand),var(--brand-2));border:none;color:#001018;font-weight:700;padding:12px 16px;border-radius:999px;box-shadow:0 10px 30px rgba(0,0,0,.35);cursor:pointer;z-index:9999}
#chat-widget{position:fixed;right:20px;bottom:80px;width:360px;max-height:70vh;background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:0 20px 40px rgba(0,0,0,.45);display:flex;flex-direction:column;overflow:hidden;z-index:9999}
#chat-widget.hidden{display:none}
.chat-header{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;background:#0b1324;border-bottom:1px solid var(--line)}
.chat-header h2{margin:0;font-size:16px}
.chat-header button{background:transparent;border:none;color:var(--text);font-size:22px;cursor:pointer}
#chat-body{display:flex;flex-direction:column;gap:12px;padding:12px;overflow:auto}
#user-info-form .row{display:flex;flex-direction:column;gap:4px;margin-bottom:8px}
#chat-widget input{background:#0b1220;color:var(--text);border:1px solid var(--line);border-radius:10px;padding:10px 12px}
#chat-widget button.primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));border:none;color:#001018;font-weight:700;padding:10px 14px;border-radius:10px;cursor:pointer}
#chat-messages{display:flex;flex-direction:column;gap:8px;overflow:auto;min-height:180px;max-height:44vh;padding-right:4px}
#chat-messages .ai-message,#chat-messages .user-message{padding:10px 12px;border-radius:12px;max-width:85%}
#chat-messages .ai-message{background:#0b1324;align-self:flex-start;border:1px solid var(--line)}
#chat-messages .user-message{background:#0b3150;align-self:flex-end;border:1px solid #103a58}
#chat-form{display:flex;gap:8px}
#chat-form input{flex:1}
.chat-footer{border-top:1px solid var(--line);padding:8px 12px;color:var(--muted);background:#0b1324}
.hidden{display:none}