body {
  font-family:sans-serif;
  background:#0f172a;
  color:#e5e7eb;
  margin: 0;
}

a {
    color: #e5e7eb;
    text-decoration: none;
}

.card {
  background: #020617;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,.4);
}

.container {
  max-width:900px;
  margin:auto;
  padding:40px;
}

.center {
  width:300px;
  margin:100px auto;
  text-align:center;
}

.btn, button {
  background:#2563eb;
  color:#fff;
  padding:8px;
  border:none;
  border-radius:6px;
}

.btn:hover {
  background: #1d4ed8;
}

input {
  width:200x;
  padding:8px;
  margin:5px 0;
}

.alert {
  padding: 12px;
  border-radius: 6px;
  margin-bottom: 15px;
  font-size: 14px;
}

.alert.success {
  background: #16a34a;
  color: #ecfdf5;
}

.alert.error {
  background: #dc2626;
  color: #fee2e2;
}

.chat-container {
border:1px solid #444;
padding:10px;
height:400px;
overflow-y:auto;
background:transparent;
display:flex;
flex-direction:column;
}

.chat-bubble {
margin:5px;
padding:8px 12px;
border-radius:12px;
max-width:70%;
}

.sent {
background:#2563eb;
color:white;
align-self:flex-end;
}

.received {
background:#333;
color:white;
align-self:flex-start;
}

.chat-input {
width:100%;
padding:10px;
margin-top:5px;
box-sizing:border-box;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
    background: #111;
    color: white;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid #444;
}

.actions {
    margin-top: 20px;
    display: flex;
    gap: 10px;
}