.challenge-button {
    border: none;
    box-shadow: rgba(0, 0, 0, 0.35) 0px 5px 15px;
}

.highlight {
    padding: 6px;
    margin: 10px;
}

blockquote {
  margin: 1.5em 0;
  padding: 1em 1.5em;
  border-left: 4px solid #6c757d;
  background: #f8f9fa;
  color: #343a40;
  font-style: italic;
}

blockquote p:last-child {
  margin-bottom: 0;
}

.disabled-challenge {
    background-color: #555 !important;  /* Your disabled color */
    opacity: 0.5;
    pointer-events: none;               /* Prevent clicking */
    cursor: not-allowed;
}

#main-content {
    margin: 5px auto;
    padding: 10px;
}

#main-content img {
    max-width: 100%;
    height: auto;
}

.hljs {
    padding: 5px;
}

.writeup-body {
    max-width: 790px;
    margin: 0 auto;
}

.writeup-body img {
  max-width: 90%;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.h1, .h2, .h3, .h4, .h5, .h6, h1, h2, h3, h4, h5, h6 {
  margin-bottom: 1.5rem;
}

#main-content ul li {
    padding: 3px;
}

#achievements + table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  font-size: 0.95rem;
  margin-bottom: 20px;
}

#achievements + table thead th {
  text-align: left;
  font-weight: 600;
  border-bottom: 2px solid #dee2e6;
  padding: 0.5em;
}

#achievements + table tbody td {
  padding: 0.6em 0.5em;
  border-bottom: 1px solid #e9ecef;
}

#achievements + table tbody tr:hover {
  background: #f8f9fa;
}

#achievements + table td:last-child {
  font-weight: 500;
}

.round_hover {
  display: block;
  margin: 2rem auto;
  border-radius: 8px;
  filter: drop-shadow(0 0 8px #7d7e80);
  transition: filter 0.3s ease, transform 0.3s ease;
}

#main-content .card {
      box-shadow: rgba(0, 0, 0, 0.35) 0px 5px 15px;
}

#main-content .card:hover {
  /* Lifts the card up slightly */
  transform: translateY(-5px) scale(1.01);
  /* Adds a more pronounced shadow for depth */
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
}

h1 {
  font-size: 2.25rem;  /* ~36px */
  margin: 1.2em 0 0.6em;
}

h2 {
  font-size: 1.75rem;  /* ~28px */
  margin: 1.4em 0 0.6em;
}

h3 {
  font-size: 1.4rem;   /* ~22px */
  margin: 1.2em 0 0.5em;
}

h4 {
  font-size: 1.15rem;  /* ~18px */
  margin: 1.1em 0 0.4em;
}

h5 {
  font-size: 1rem;     /* ~16px */
  margin: 1em 0 0.3em;
  font-weight: 600;
}

h6 {
  font-size: 0.9rem;   /* ~14px */
  margin: 0.9em 0 0.3em;
  font-weight: 600;
  color: #6c757d;
}

@media (max-width: 768px) {
  h1 { font-size: 1.9rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }
}

.challenge-button {
  transition:
    background-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease;
}

.challenge-button:hover {
  background-color: #363e44; /* slightly lighter than btn-dark */
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}