body {
  background: var(--color-bg);
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  color: var(--color-text);
}

div.container {
  background: var(--color-white);
  padding: 40px 30px;
  border-radius: var(--border-radius);
  width: 100%;
  max-width: 420px;
  box-shadow: 0 8px 20px var(--shadow-light);
  transition: box-shadow var(--transition-speed);
}

.container:hover {
  box-shadow: 0 12px 30px var(--shadow-hover);
}

.error{
    color:red; 
    position: absolute; 
    transform: translateY(-10px);
}

h2 {
  text-align: center;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--color-primary);
  letter-spacing: 1px;
}

hr {
  border: none;
  border-bottom: 2px solid var(--color-primary);
  margin-bottom: 30px;
  width: 60px;
  margin-left: auto;
  margin-right: auto;
  border-radius: 10px;
}

form {
  width: 100%;
}

.input-group {
  position: relative;
  margin-bottom: 30px;
}

input {
  width: 100%;
  padding: 15px 20px;
  font-size: 16px;
  border: 2px solid var(--input-border);
  border-radius: 50px;
  background: var(--input-bg);
  color: var(--color-text);
  outline: none;
  transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

input:focus {
  border-color: var(--input-focus-border);
  box-shadow: 0 0 8px var(--input-focus-border);
}

label {
  position: absolute;
  top: 50%;
  left: 20px;
  transform: translateY(-50%);
  color: var(--color-text-light);
  font-size: 16px;
  pointer-events: none;
  transition: all var(--transition-speed);
  background: var(--color-white);
  padding: 0 8px;
  border-radius: 50px;
}

input:focus + label,
input:not(:placeholder-shown) + label {
  top: -10px;
  font-size: 12px;
  color: var(--color-primary);
  font-weight: 600;
  left: 15px;
  box-shadow: 0 0 8px var(--input-focus-border);
}

button {
  width: 100%;
  padding: 15px;
  background: var(--color-primary-1);
  border: none;
  border-radius: 50px;
  color: var(--color-white);
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 5px 15px rgba(74, 144, 226, 0.4);
  transition: background-color var(--transition-speed), box-shadow var(--transition-speed);
}

button:hover {
  background: var(--color-primary-1);
  box-shadow: 0 8px 20px rgba(53, 122, 189, 0.6);
}

.signup-text {
  text-align: center;
  margin-top: 20px;
  font-size: 14px;
  color: var(--color-text-light);
}

.signup-text a {
  color: var(--color-primary-1);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition-speed);
}

.signup-text a:hover {
  color: var(--color-primary-1);
  text-decoration: underline;
}

.enter-page {
  margin-top: 30px;
  text-align: center;
  background: var(--color-primary);
  border: 1px solid transparent;
  color: var(--color-white);
  padding: 12px 0;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
}

.enter-page:hover {
  border: 1px solid var(--color-primary-1);
  box-shadow: 0 0 10px var(--color-primary-1);
}

/* Responsive */
@media (max-width: 480px) {
  div.container {
    padding: 30px 20px;
    /* width: 100%; */
  }
  input {
    font-size: 14px;
  }
  label {
    font-size: 14px;
  }
  button {
    font-size: 16px;
  }
}