:root {
  --separator-color: #eee;
  --subscribe-form-bg-color: #e5e5e5;
  --subscribe-form-input-color: #d2d3d1;
}

html.dark-mode {
  --separator-color: #444444;
  --subscribe-form-bg-color: #0f0f0f;
  --subscribe-form-input-color: #161616;
}

.heading-link {
  display: inline-block;
  margin-left: 8px;
  opacity: 0;
  transition: opacity 0.2s ease;
  text-decoration: none;
  color: #999;
}

h1:hover .heading-link,
h2:hover .heading-link,
h3:hover .heading-link,
h4:hover .heading-link,
h5:hover .heading-link,
h6:hover .heading-link {
  opacity: 1;
}

.heading-link:hover {
  color: #333;
}

/* create a line below */
.article-header {
  border-bottom: 1px solid #ccc;
  padding-bottom: 10px;
  margin-bottom: 20px;
}

.tip-of-day {
  font-family: 'Cursive', 'Brush Script MT', 'Lucida Handwriting', 'Comic Sans MS', cursive;
}

* {
  hyphens: auto;
  -webkit-hyphens: auto;
  -moz-hyphens: auto;
  -ms-hyphens: auto;
  overflow-wrap: break-word;
  word-wrap: break-word;
  word-break: break-word;
  white-space: normal;
}

.copy-code-pre, .copy-code-pre code {
  hyphens: none !important;
  -webkit-hyphens: none !important;
  -moz-hyphens: none !important;
  -ms-hyphens: none !important;
  overflow-wrap: normal !important;
  word-wrap: normal !important;
  word-break: normal !important;
  white-space: pre !important; /* keeps whitespace and prevents wrapping */
}

#newsletter-container {
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

#newsletter {
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
  gap: 20px;
}

#newsletter-success {
  display: none;
}

#subscribe-form {
  color: #fff;
  background-color: var(--subscribe-form-bg-color) !important;
  padding: 1rem;
  align-self: center;
  border-radius: 15px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.5);
}

#subscribe-form input {
  align-self: center;
  background: transparent;
  background-color: var(--subscribe-form-input-color);
  border-radius: 20px;
  padding: 10px;
  outline: none;
  border: none;
}

#newsletter form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

#newsletter button {
  align-self: center;
}

.separator {
  border-top: 1px solid var(--separator-color);
  margin-top: 2rem;
  padding-top: 1rem;
}

.separator-down {
  border-bottom: 1px solid var(--separator-color);
  margin-bottom: 2rem;
  padding-bottom: 1rem;
}