/* Full Dark Background */
body {
  background: linear-gradient(135deg, #0a0a0a, #1a1a1a);
  min-height: 100vh;
  margin: 0;
  padding: 20px; /* Ditambah padding kecil untuk mobile */
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  font-family: 'Poppins', sans-serif;
  color: #ffffff;
  box-sizing: border-box;
}

/* Form Style */
form#feedback-form {
  width: 100%;
  max-width: 600px;
  padding: 30px;
  background: rgba(34, 34, 34, 0.9); /* Tambah background gelap transparan */
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.5);
  animation: fadeIn 1s ease-in;
}

/* Heading */
h1 {
  text-align: center;
  margin-bottom: 10px;
  font-size: 2em;
  color: #3498db;
}

.subheading {
  text-align: center;
  font-size: 1em;
  color: #aaa;
  margin-bottom: 20px;
  padding: 0 10px;
}

/* Form Fields */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
}

.form-group input[type="text"],
.form-group textarea {
  width: 100%;
  padding: 12px;
  background: #222;
  border: 1px solid #444;
  border-radius: 5px;
  color: white;
  font-size: 1em;
  transition: 0.3s;
  box-sizing: border-box;
}

.form-group input[type="text"]:focus,
.form-group textarea:focus {
  border-color: #3498db;
  outline: none;
}

/* Checkbox */
.checkbox-group {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}

.checkbox-group input[type="checkbox"] {
  margin-right: 10px;
  transform: scale(1.2);
}

/* Submit Button */
#submit-button {
  width: 100%;
  padding: 14px;
  background-color: #3498db;
  color: white;
  font-size: 1.1em;
  font-weight: bold;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: background 0.3s, transform 0.2s;
  margin-top: 10px;
}

#submit-button:hover {
  background-color: #2980b9;
  transform: scale(1.02);
}

/* Status Message */
#status-message {
  text-align: center;
  margin-top: 20px;
  font-size: 1em;
}

/* Animation */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Responsive Mobile */
@media (max-width: 768px) {
  body {
    padding: 10px;
  }

  form#feedback-form {
    padding: 20px;
    width: 100%;
  }
  
  h1 {
    font-size: 1.5em;
  }

  .subheading {
    font-size: 0.95em;
  }

  #submit-button {
    font-size: 1em;
    padding: 12px;
  }
}