/* ===== expert-chat.html style block 1 ===== */
body{
  margin:0;
  font-family:Arial,sans-serif;
  background:#020f25;
  color:#fff;
  overflow-x:hidden;
}
*{box-sizing:border-box;}
.chat-page{
  max-width:1000px;
  margin:auto;
  padding:40px 20px;
}
.back-btn{
  color:#ffb000;
  text-decoration:none;
  font-weight:bold;
  display:inline-block;
  margin-bottom:20px;
}
h1{
  font-size:55px;
  margin-bottom:30px;
}
.chat-wrapper{
  background:#182742;
  border-radius:30px;
  padding:20px;
  border:1px solid rgba(255,255,255,.08);
}
.status-box{
  background:#08162f;
  padding:16px 20px;
  border-radius:16px;
  margin-bottom:18px;
  font-size:18px;
  font-weight:600;
}
.messages-box{
  background:#04112a;
  border-radius:20px;
  height:520px;
  overflow-y:auto;
  padding:20px;
}
.message{
  max-width:75%;
  padding:16px;
  border-radius:18px;
  margin-bottom:14px;
  word-wrap:break-word;
}
.message small{
  display:block;
  margin-bottom:6px;
  opacity:.8;
  font-size:12px;
}
.mine{
  margin-left:auto;
  background:#ff9212;
  color:#000;
}
.other{
  background:#1f2c42;
  color:#fff;
}
.input-area{
  margin-top:18px;
  display:flex;
  gap:10px;
}
.input-area input{
  flex:1;
  height:54px;
  border:none;
  border-radius:18px;
  background:#000b23;
  color:#fff;
  padding:0 18px;
  font-size:16px;
  outline:none;
  border:1px solid rgba(255,255,255,.2);
}
.input-area button{
  width:110px;
  border:none;
  border-radius:18px;
  background:#ffad1f;
  font-weight:700;
  font-size:18px;
  cursor:pointer;
}
.input-area button:disabled,
.input-area input:disabled{
  opacity:.5;
  cursor:not-allowed;
}
.locked-box{
  text-align:center;
  padding:70px 20px;
  display:none;
}
.typing-box{
  padding:10px 15px;
  font-size:14px;
  opacity:.8;
  display:none;
}
@media(max-width:768px){
  .chat-page{padding:20px 12px;}
  h1{font-size:28px;}
  .chat-wrapper{border-radius:20px;padding:14px;}
  .messages-box{height:420px;padding:14px;}
  .message{max-width:90%;}
  .input-area{flex-direction:column;}
  .input-area button{width:100%;height:52px;}
}