:root{--dcasa-primary:#c64348;--dcasa-dark:#382d5d;--dcasa-white:#ffffff}#dcasa-chat-widget{position:fixed;bottom:20px;right:20px;z-index:999999;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}.dcasa-bubble{width:60px;height:60px;background:var(--dcasa-dark);border:2px solid var(--dcasa-primary);border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--dcasa-white);font-size:26px;box-shadow:0 4px 15px rgb(0 0 0 / .3);transition:transform 0.2s ease}.dcasa-bubble:hover{transform:scale(1.05)}.dcasa-chat-window{display:none;width:360px;height:500px;background:var(--dcasa-white);border:1px solid #e0e0e0;border-radius:14px;position:absolute;bottom:75px;right:0;box-shadow:0 10px 30px rgb(0 0 0 / .25);flex-direction:column;overflow:hidden}.dcasa-header{background:var(--dcasa-dark);color:var(--dcasa-white);padding:16px;font-weight:700;font-size:16px;display:flex;justify-content:space-between;align-items:center}.dcasa-close{background:none;border:none;color:var(--dcasa-white);cursor:pointer;font-size:20px;line-height:1}.dcasa-messages{flex:1;padding:16px;overflow-y:auto;background:#f8f9fa;display:flex;flex-direction:column;gap:12px}.dcasa-input-area{padding:12px;background:var(--dcasa-white);border-top:1px solid #eaeaea;display:flex;gap:8px;align-items:center}.dcasa-input-text{flex:1;padding:10px 14px;border:1px solid #ccc;border-radius:8px;font-size:14px;outline:none;transition:border-color 0.2s}.dcasa-input-text:focus{border-color:var(--dcasa-primary)}.dcasa-send-btn{background:var(--dcasa-primary);color:var(--dcasa-white);border:none;padding:10px 16px;border-radius:8px;cursor:pointer;font-weight:700;font-size:14px;transition:opacity 0.2s}.dcasa-send-btn:hover{opacity:.9}