/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: #f5f7fa;
  color: #333;
  line-height: 1.6;
  padding: 2rem;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  min-height: 100vh;
}

/* Form Container */
form {
  background-color: #ffffff;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  max-width: 600px;
  width: 100%;
}

/* Fieldsets */
fieldset {
  border: none;
  margin-bottom: 2rem;
  padding: 0;
}

legend {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: #1a1a1a;
}

/* Labels & Inputs */
label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 500;
  margin-top: 1.2rem;
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="date"],
input[type="number"],
input[type="tel"],
textarea,
select,
input[type="file"] {
  width: 100%;
  padding: 0.7rem 1rem;
  border: 1px solid #ccc;
  border-radius: 8px;
  background: #fafafa;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  font-size: 1rem;
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="email"]:focus,
input[type="date"]:focus,
input[type="number"]:focus,
input[type="tel"]:focus,
textarea:focus,
select:focus {
  border-color: #4a90e2;
  box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.2);
  outline: none;
}

/* Radio & Checkbox */
input[type="radio"],
input[type="checkbox"] {
  margin-right: 0.5rem;
  transform: scale(1.2);
  accent-color: #4a90e2;
}

/* Submit Button */
#btnSubmit {
  margin-top: 2rem;
  width: 100%;
  padding: 0.9rem;
  font-size: 1rem;
  background-color: #4a90e2;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

#btnSubmit:hover {
  background-color: #3a78c2;
}

/* Shadow class */
.shadow {
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05);
}

/* Responsive tweaks */
@media (max-width: 600px) {
  form {
    padding: 1.5rem;
  }
}