.tvbh-chat-fab { display: none; }
@media (max-width: 820px) { .tvbh-chat-fab { display: flex; } }
.tvbh-chat-fab { position: fixed; bottom: 20px; right: 20px; z-index: 999; flex-direction: column; align-items: flex-end; gap: 12px; }
.tvbh-chat-fab__trigger { width: 56px; height: 56px; border-radius: 50%; padding: 3px; background: conic-gradient(from 180deg, #22d3ee, #a855f7, #22d3ee); border: none; cursor: pointer; overflow: hidden; box-shadow: 0 0 0 1px rgba(34,211,238,0.25), 0 0 24px rgba(34,211,238,0.7), 0 4px 16px rgba(15,23,42,0.4); transition: transform 0.2s ease; animation: tvbh-fab-pulse 2s infinite; }
.tvbh-chat-fab__trigger:hover { transform: scale(1.08); }
.tvbh-chat-fab__trigger img { display: block; width: 100%; height: 100%; object-fit: cover; border-radius: 50%; border: 2px solid #020617; }
.tvbh-chat-fab__card { display: none; background: #020617; border: 1px solid rgba(34,211,238,0.65); border-radius: 16px; padding: 1rem; width: 240px; color: #cbd5f5; font-size: 0.82rem; line-height: 1.5; box-shadow: 0 0 0 1px rgba(34,211,238,0.25), 0 16px 48px rgba(15,23,42,0.95); }
.tvbh-chat-fab__card.is-open { display: block; }
.tvbh-chat-fab__avatar { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.5rem; }
.tvbh-chat-fab__avatar img { width: 40px; height: 40px; border-radius: 50%; border: 2px solid #22d3ee; }
.tvbh-chat-fab__name { font-size: 0.85rem; font-weight: 700; color: #e0f2fe; }
.tvbh-chat-fab__label { font-size: 0.7rem; color: #94a3b8; }
.tvbh-chat-fab__card p { margin-bottom: 0; }
.tvbh-chat-fab__btn { display: inline-flex; align-items: center; gap: 0.35rem; margin-top: 0.75rem; padding: 0.55rem 1rem; border-radius: 999px; font-size: 0.8rem; font-weight: 600; text-decoration: none; border: 1px solid #22d3ee; color: #e0f2fe; background: rgba(15,23,42,0.9); transition: background 0.2s ease, box-shadow 0.2s ease; }
.tvbh-chat-fab__btn:hover { background: linear-gradient(90deg, #22d3ee, #a855f7); color: #0b1120; box-shadow: 0 0 20px rgba(34,211,238,0.8); }
@keyframes tvbh-fab-pulse { 0% { box-shadow: 0 0 0 0 rgba(34,211,238,0.6); } 70% { box-shadow: 0 0 0 14px rgba(34,211,238,0); } 100% { box-shadow: 0 0 0 0 rgba(34,211,238,0); } }
@media (prefers-reduced-motion: reduce) { .tvbh-chat-fab__trigger { animation: none; } }