:root { --ec-green:#138a57; --ec-green-dark:#0c6841; --ec-bg:#f6faf8; --ec-text:#14251d; }
#ec-chat-launcher{position:fixed;right:22px;bottom:22px;width:58px;height:58px;border:0;border-radius:50%;background:var(--ec-green);color:#fff;box-shadow:0 10px 30px rgba(0,0,0,.22);z-index:999998;cursor:pointer;font-size:25px;display:flex;align-items:center;justify-content:center;transition:.2s}
#ec-chat-launcher:hover{transform:translateY(-2px);background:var(--ec-green-dark)}
#ec-chat-badge{position:absolute;right:-3px;top:-3px;min-width:20px;height:20px;padding:0 5px;border-radius:12px;background:#e83b46;color:#fff;font:700 11px/20px Arial;display:none}
#ec-chat-box{position:fixed;right:22px;bottom:92px;width:360px;max-width:calc(100vw - 24px);height:520px;max-height:calc(100vh - 115px);background:#fff;border-radius:18px;box-shadow:0 20px 60px rgba(0,0,0,.22);z-index:999999;display:none;overflow:hidden;border:1px solid #e8efeb;font-family:Arial,sans-serif}
#ec-chat-header{height:72px;padding:0 18px;background:linear-gradient(135deg,var(--ec-green),var(--ec-green-dark));color:#fff;display:flex;align-items:center;gap:12px}
.ec-chat-avatar{width:42px;height:42px;border-radius:50%;background:#fff;color:var(--ec-green);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px}
.ec-chat-title{font-weight:700;font-size:16px}.ec-chat-subtitle{font-size:12px;opacity:.85;margin-top:3px}
#ec-chat-close{margin-left:auto;background:transparent;color:#fff;border:0;font-size:24px;cursor:pointer}
#ec-chat-messages{height:calc(100% - 136px);padding:16px;overflow-y:auto;background:var(--ec-bg)}
.ec-msg{display:flex;margin:8px 0}.ec-msg.operator{justify-content:flex-start}.ec-msg.visitor{justify-content:flex-end}
.ec-bubble{max-width:80%;padding:10px 12px;border-radius:14px;line-height:1.35;font-size:14px;white-space:pre-wrap;word-break:break-word}
.ec-msg.operator .ec-bubble{background:#fff;color:var(--ec-text);border:1px solid #e3ece7;border-bottom-left-radius:5px}.ec-msg.visitor .ec-bubble{background:var(--ec-green);color:#fff;border-bottom-right-radius:5px}
.ec-time{font-size:10px;opacity:.55;margin-top:5px}
#ec-chat-compose{height:64px;background:#fff;border-top:1px solid #e8efeb;padding:10px;display:flex;gap:8px}
#ec-chat-input{flex:1;border:1px solid #dce7e1;border-radius:12px;padding:10px 12px;outline:none;font-size:14px}#ec-chat-input:focus{border-color:var(--ec-green)}
#ec-chat-send{width:44px;border:0;border-radius:12px;background:var(--ec-green);color:#fff;cursor:pointer;font-size:18px}
#ec-chat-powered{text-align:center;position:absolute;bottom:66px;left:0;right:0;font-size:10px;color:#90a39a;pointer-events:none}
@media (max-width:600px){#ec-chat-box{right:8px;left:8px;bottom:78px;width:auto;height:calc(100vh - 95px);max-height:none;border-radius:16px}#ec-chat-launcher{right:14px;bottom:14px}}