/* 3TréVite Chat — brand: red / charcoal / white */
#trevite-chat-root { position: fixed; bottom: 22px; right: 22px; z-index: 99999; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
#trevite-chat-fab { width: 60px; height: 60px; border-radius: 50%; border: none; cursor: pointer;
  background: #c8102e; color: #fff; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 14px rgba(0,0,0,.28); transition: transform .15s ease; }
#trevite-chat-fab:hover { transform: scale(1.06); }
#trevite-chat-panel { position: absolute; bottom: 74px; right: 0; width: 350px; max-width: calc(100vw - 44px);
  height: 480px; max-height: calc(100vh - 120px); background: #fff; border-radius: 14px; overflow: hidden;
  display: flex; flex-direction: column; box-shadow: 0 10px 40px rgba(0,0,0,.25); }
#trevite-chat-panel[hidden] { display: none; }
#trevite-chat-header { background: #232323; color: #fff; padding: 12px 14px; display: flex; justify-content: space-between; align-items: center; }
#trevite-chat-header strong { font-size: 15px; display: block; }
#trevite-chat-status { font-size: 11px; color: #7fd08a; }
#trevite-chat-close { background: none; border: none; color: #fff; font-size: 16px; cursor: pointer; }
#trevite-chat-messages { flex: 1; overflow-y: auto; padding: 12px; display: flex; flex-direction: column; gap: 8px; background: #f6f6f6; }
.tchat-msg { max-width: 82%; padding: 9px 12px; border-radius: 14px; font-size: 14px; line-height: 1.45; white-space: pre-wrap; word-wrap: break-word; }
.tchat-msg.bot { background: #fff; color: #232323; border: 1px solid #e4e4e4; align-self: flex-start; border-bottom-left-radius: 4px; }
.tchat-msg.user { background: #c8102e; color: #fff; align-self: flex-end; border-bottom-right-radius: 4px; }
.tchat-msg.typing { color: #888; font-style: italic; }
.tchat-msg.bot a { color: #c8102e; word-break: break-all; }
#trevite-chat-inputbar { display: flex; gap: 6px; padding: 10px; background: #fff; border-top: 1px solid #e8e8e8; align-items: center; }
#trevite-chat-quote-btn { background: #232323; color: #fff; border: none; border-radius: 18px; padding: 8px 12px; font-size: 12px; cursor: pointer; white-space: nowrap; }
#trevite-chat-input { flex: 1; border: 1px solid #ddd; border-radius: 18px; padding: 9px 12px; font-size: 14px; outline: none; min-width: 0; }
#trevite-chat-send { background: #c8102e; color: #fff; border: none; border-radius: 50%; width: 36px; height: 36px; cursor: pointer; font-size: 15px; flex-shrink: 0; }
#trevite-chat-quote-form { padding: 12px; background: #fff; border-top: 1px solid #e8e8e8; display: flex; flex-direction: column; gap: 7px; max-height: 60%; overflow-y: auto; }
#trevite-chat-quote-form[hidden] { display: none; }
#trevite-chat-quote-form h4 { margin: 0 0 4px; color: #232323; font-size: 15px; }
#trevite-chat-quote-form input, #trevite-chat-quote-form textarea { border: 1px solid #ddd; border-radius: 8px; padding: 8px 10px; font-size: 13px; width: 100%; box-sizing: border-box; }
#trevite-chat-quote-form .tq-row { display: flex; gap: 8px; }
#tq-submit { flex: 1; background: #c8102e; color: #fff; border: none; border-radius: 8px; padding: 10px; font-size: 14px; cursor: pointer; }
#tq-whatsapp { display: block; text-align: center; background: #25d366; color: #fff; text-decoration: none; border-radius: 8px; padding: 10px; font-size: 14px; font-weight: 600; }
#tq-cancel { background: #eee; color: #333; border: none; border-radius: 8px; padding: 10px 14px; font-size: 14px; cursor: pointer; }
@media (max-width: 420px) { #trevite-chat-panel { width: calc(100vw - 32px); right: -8px; } }