.whatsapp-chat{max-width:800px;margin:20px auto;border:1px solid #e0e0e0;border-radius:8px;padding:20px;background:#f9f9f9;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}.wcv-search-box{margin-bottom:20px;display:flex;gap:10px}.wcv-search-input{flex-grow:1;padding:8px;border:1px solid #ddd;border-radius:4px}.chat-messages{max-height:600px;overflow-y:auto;padding:15px;background:#fff;border-radius:5px;box-shadow:inset 0 0 5px rgba(0,0,0,.1)}.message{margin-bottom:15px;padding:12px;background:#fff;border-radius:7px;box-shadow:0 1px 1px rgba(0,0,0,.1);border-left:3px solid #075e54}.message.highlight{background-color:#fff9c4;border-left:3px solid #ffc107}.message-meta{display:flex;justify-content:space-between;margin-bottom:8px;font-size:.85em;color:#555}.sender{font-weight:700;color:#075e54}.time{color:#666;font-size:.9em}.message-text{line-height:1.5;white-space:pre-wrap;word-wrap:break-word}.wcv-error,.wcv-notice{padding:15px;margin:15px 0;border-radius:5px;font-size:.9em}.wcv-error{background:#ffebee;border:1px solid #ffcdd2;color:#c62828}.wcv-notice{background:#e8f5e9;border:1px solid #c8e6c9;color:#2e7d32}.wcv-all-chats{max-width:1000px;margin:0 auto}.wcv-chats-tabs{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:20px;border-bottom:1px solid #ddd;padding-bottom:10px}.wcv-tab-button{padding:8px 15px;background:#f0f0f0;border:none;border-radius:4px;cursor:pointer}.wcv-tab-button:hover{background:#e0e0e0}.wcv-tab-button.active{background:#0073aa;color:#fff}.wcv-chats-content{border:1px solid #ddd;border-radius:5px;padding:20px;background:#f9f9f9}@media (max-width:600px){.whatsapp-chat{padding:10px}.message{padding:8px}.wcv-chats-tabs{overflow-x:auto;flex-wrap:nowrap;padding-bottom:5px}}