:root{--oac13-primary-colour:#2563eb}.oac13-floating-wrapper{position:fixed;right:24px;bottom:24px;z-index:99999;font-family:Arial,sans-serif}.oac13-floating-button{width:60px;height:60px;border-radius:999px;border:none;background:var(--oac13-primary-colour);color:#fff;font-weight:700;cursor:pointer;box-shadow:0 8px 24px rgba(0,0,0,.2)}.oac13-chat-panel{display:none;width:380px;max-width:calc(100vw - 32px);height:560px;max-height:calc(100vh - 120px);background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 12px 40px rgba(0,0,0,.24);border:1px solid #e5e7eb}.oac13-is-open .oac13-chat-panel,.oac13-chat-panel-inline{display:flex;flex-direction:column}.oac13-chat-panel-inline{width:100%;height:600px;max-height:none;box-shadow:none}.oac13-chat-header{padding:14px 16px;color:#fff;background:var(--oac13-primary-colour);display:flex;justify-content:space-between;align-items:center}.oac13-chat-close{border:none;background:transparent;color:#fff;font-size:24px;cursor:pointer}.oac13-chat-notice{padding:8px 12px;background:#eff6ff;color:#1e3a8a;font-size:12px;border-bottom:1px solid #dbeafe}.oac13-chat-messages{flex:1;padding:16px;overflow-y:auto;background:#f8fafc}.oac13-message{margin-bottom:12px;padding:10px 12px;border-radius:12px;line-height:1.45;font-size:14px}.oac13-message-user{margin-left:40px;background:var(--oac13-primary-colour);color:#fff}.oac13-message-bot{margin-right:40px;background:#fff;color:#111827;border:1px solid #e5e7eb}.oac13-note{margin-top:8px;font-size:12px;color:#92400e;background:#fffbeb;border:1px solid #fde68a;border-radius:8px;padding:6px}.oac13-sources{margin-top:10px;padding-top:10px;border-top:1px solid #e5e7eb;font-size:12px}.oac13-sources-title{font-weight:700;margin-bottom:4px}.oac13-sources ul{margin:0;padding-left:18px}.oac13-sources a{color:var(--oac13-primary-colour);text-decoration:underline}.oac13-chat-form{display:flex;gap:8px;padding:12px;background:#fff;border-top:1px solid #e5e7eb}.oac13-chat-input{flex:1;resize:none;border:1px solid #d1d5db;border-radius:10px;padding:10px;font-size:14px}.oac13-chat-send{border:none;border-radius:10px;padding:0 16px;background:var(--oac13-primary-colour);color:#fff;font-weight:600;cursor:pointer}@media(max-width:480px){.oac13-floating-wrapper{right:12px;bottom:12px}.oac13-chat-panel{width:calc(100vw - 24px);height:calc(100vh - 96px)}}