/* --- BASE STYLES & RESETS --- */
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  margin: 0;
  background-color: #f0f2f5;
  color: #1c1e21;
  line-height: 1.6;
}

.container {
  max-width: 900px;
  margin: auto;
  background: white;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgb(0 0 0 / 10%);
}

main {
  padding: 20px;
}

h2 {
  color: #333;
}

/* Common Header Styles */
.simple-header {
  padding: 1em 20px;
  border-bottom: 1px solid #dddfe2;
  background-color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  box-shadow: 0 2px 4px rgb(0 0 0 / 10%);
}

.simple-header .site-title-link {
  color: #333;
  text-decoration: none;
  font-size: 1.5em;
  font-weight: bold;
}

.simple-header nav a {
  color: #007bff;
  text-decoration: none;
  margin-left: 15px;
}

.simple-header nav #cart-link.active {
  font-weight: bold;
  color: #0056b3;
}

/* Shared Buttons */
.btn {
  padding: 12px 20px;
  text-decoration: none;
  border-radius: 5px;
  font-size: 1em;
  cursor: pointer;
  border: none;
  text-align: center;
}

.btn-secondary {
  background-color: #6c757d;
  color: white;
}

.btn-secondary:hover {
  background-color: #5a6268;
}

.btn-danger {
  background-color: #dc3545;
  color: white;
}

.btn-danger:hover {
  background-color: #c82333;
}

.btn-primary {
  background-color: #007bff;
  color: white;
}

.btn-primary:hover {
  background-color: #0056b3;
}

.btn-success {
  background-color: #28a745;
  color: white;
}

.btn-success:hover {
  background-color: #218838;
}

/* Shared Form Styles */
.form-section {
  margin-top: 20px;
  margin-bottom: 30px;
  padding: 20px;
  background-color: #fdfdfd;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
}

.form-section h2 {
  margin-top: 0;
  margin-bottom: 20px;
  font-size: 1.4em;
  color: #333;
  border-bottom: 1px solid #eee;
  padding-bottom: 10px;
}

.form-group {
  margin-bottom: 15px;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
  color: #555;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-section input[type="text"],
.form-group input[type="tel"],
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 4px;
  box-sizing: border-box;
  font-size: 1em;
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group input[type="password"]:focus,
.form-group input[type="tel"]:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: #007bff;
  outline: none;
  box-shadow: 0 0 0 0.2rem rgb(0 123 255 / 25%);
}

.form-group input[type="radio"] {
  margin-right: 8px;
  vertical-align: middle;
}

.form-group label[for^="shipping-standard"],
.form-group label[for^="shipping-fast"] {
  font-weight: normal;
}