#ksub-form {
  max-width: 640px;
  margin: 0 auto;
  background: #fff;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
}

#ksub-form .ksub-group {
  margin-bottom: 1.75rem;
}

#ksub-form label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: #111827;
}

#ksub-form input[type="text"],
#ksub-form input[type="file"],
#ksub-form input[type="email"],
#ksub-form input[type="search"],
#ksub-form select,
#ksub-form textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  border: 1px solid #d1d5db;
  background: #f9fafb;
  font-size: 1rem;
  color: #111827;
  transition: border-color 0.2s ease-in-out, background 0.2s ease-in-out;
}

#ksub-form input[type="text"]:focus,
#ksub-form select:focus,
#ksub-form textarea:focus {
  border-color: #6366f1;
  background: #fff;
  outline: none;
}

#ksub-form small {
  font-size: 0.875rem;
  color: #6b7280;
  display: block;
  margin-top: 0.25rem;
}

#ksub-form .checkbox label {
  display: flex;
  align-items: center;
  font-size: 0.95rem;
  font-weight: 500;
  color: #374151;
}

#ksub-form .checkbox input[type="checkbox"] {
  margin-right: 0.6rem;
}

#ksub-form button[type="submit"] {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background-color: #111827;
  color: #fff;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  border-radius: 0.75rem;
  cursor: pointer;
  transition: background-color 0.2s ease-in-out;
}

#ksub-form button[type="submit"]:hover {
  background-color: #374151;
}

#ksub-form #ksub-preview img,
#ksub-form #ksub-preview video {
  margin-top: 1rem;
  border-radius: 0.5rem;
  max-width: 100%;
  height: auto;
}

#ksub-form .ksub-coords {
  margin-top: 0.5rem;
  font-size: 0.9rem;
  color: #4b5563;
}

#ksub-message {
  margin-top: 1.5rem;
  font-size: 1rem;
  font-weight: 500;
  color: #10b981;
}