/* Base layout */
.contact-bar{position:fixed;right:0;top:40%;display:flex;flex-direction:column;align-items:flex-end;z-index:9999}
.item{width:50px;height:50px;color:#fff;border-radius:8px 0 0 8px;margin:2px 0;display:flex;align-items:center;justify-content:center;position:relative;cursor:pointer;text-decoration:none;transition:all .3s}
/* Contact vertical & longer */
.contact{height:140px;background:#00a79d;flex-direction:column;justify-content:flex-start;padding-top:8px;box-sizing:border-box}
.contact .arrow{font-size:14px;transform:rotate(90deg);margin-bottom:4px}
.contact .icon{font-size:20px;margin-bottom:4px}
.contact .text{writing-mode:vertical-rl;transform:rotate(180deg);font-size:14px;letter-spacing:1px;font-weight:500}
/* Other buttons */
.messenger{background:#0084ff}
.phone{background:#4f6f8f}
.zalo{background:#3b5998}
.emailbtn{background:#6f7a88}
/* Button icons */
.messenger img,.zalo img,.emailbtn img,.phone img{width:26px;height:26px}
/* Tooltip */
.tooltip{position:absolute;right:60px;background:#0084ff;color:#fff;padding:6px 10px;border-radius:6px;white-space:nowrap;opacity:0;pointer-events:none;transform:translateX(10px);transition:all .3s ease;font-size:14px}
.phone:hover .tooltip,.zalo:hover .tooltip{opacity:1;transform:translateX(0)}
.item:hover{opacity:.9;transform:translateX(-3px)}
/* Contact form */
.contact-form{position:fixed;top:30%;right:-320px;width:280px;background:#fff;padding:15px;border-radius:8px 0 0 8px;box-shadow:0 0 15px rgba(0,0,0,.3);transition:right .4s ease;z-index:9998}
.contact-form.show{right:70px}
.contact-form h3{margin-top:0;color:#00a79d;font-size:18px;text-align:center}
.contact-form input,.contact-form textarea{width:100%;margin:5px 0;padding:8px;border:1px solid #ccc;border-radius:4px;font-size:14px}
.contact-form button{width:100%;background:#00a79d;color:#fff;border:none;padding:8px;border-radius:4px;cursor:pointer;font-size:15px}
.contact-form button:hover{opacity:.9}