.dangnhap {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background-color: #ffffff;
  font-family: "Segoe UI", Arial, sans-serif;
}

.dangnhap-container {
  width: 370px;
  background-color: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 12px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
  padding: 35px 40px;
}

.dangnhap-top {
  text-align: center;
  margin-bottom: 25px;
}

.dangnhap-top h3 {
  font-size: 16px;
  font-weight: 700;
  color: #111;
  margin-bottom: 5px;
}

.dangnhap-top p {
  font-size: 14px;
  color: #777;
  margin: 0;
}

.dangnhap-form label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 5px;
  color: #000;
}

.dangnhap-form input,
.dangnhap-form select {
  padding: 10px 12px;
  border: 1px solid #ddd;
  border-radius: 8px;
  outline: none;
  font-size: 14px;
  background-color: #f9f9f9;
  transition: border-color 0.2s, background-color 0.2s;
}
.dangnhap-form input {
  width: 344.5px;
}
.dangnhap-form select {
  width: 370px;
}



.dangnhap-form input:focus,
.dangnhap-form select:focus {
  background-color: #fff;
  border-color: #999;
}

.quenmatkhau {
  display: inline-block;
  font-size: 13px;
  color: #f05a5a;
  text-decoration: none;
  margin-top: 3px;
  margin-bottom: 10px;
}

.quenmatkhau:hover {
  text-decoration: underline;
}

.dangnhap-button {
  width: 100%;
  background-color: #000;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  padding: 10px 0;
  cursor: pointer;
  transition: background-color 0.3s;
  margin-top: 10px;
}

.dangnhap-button:hover {
  background-color: #333;
}

.dangnhap-form label:not(:first-of-type) {
  margin-top: 12px;
}