body {
  font-family: Arial, Helvetica, sans-serif;
  background: #f4f4f4;
  margin: 0;
}

header {
  background: #222;
  color: #fff;
  padding: 14px 16px;
  text-align: center;
}

main {
  padding: 16px;
}

.container {
  max-width: 760px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid #ddd;
  padding: 16px;
  border-radius: 6px;
}

form {
  display: grid;
  gap: 16px;
}

section {
  border: 1px solid #eee;
  padding: 12px;
  border-radius: 6px;
}

section h1 {
  margin: 0 0 10px;
  font-size: 18px;
}

.input-control {
  display: grid;
  gap: 6px;
  margin-bottom: 10px;
}

label {
  font-weight: bold;
}

input[type="text"],
input[type="email"],
input[type="tel"],
select,
textarea {
  width: 90%;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 15px;
}

textarea {
  width: 90%;  
  resize: vertical;
  min-height: 80px;
}

.toppings {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 6px 12px;
  margin-top: 6px;
}

.small-error {
  color: #c62828;
  font-size: 13px;
  margin-top: 4px;
}

.invalid {
  border-color: #c62828 !important;
  background: #fff7f7;
}

.success {
  color: #1b7a28;
  font-weight: bold;
}

button[type="submit"] {
  background: black;
  color: #fff;
  border: none;
  padding: 12px 16px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
}

button[type="submit"]:hover {
  opacity: 0.95;
}