/* ===== Кастомный details / summary ===== */
details {
  background: #14181c;
  border: 1px solid #272e36;
  border-radius: 16px;
  padding: 0.5rem 1rem;
  margin-bottom: 1.5rem;
  transition: background 0.2s ease, border-color 0.2s ease;
}

details[open] {
  background: #0f1317;
  border-color: #4a5a6a;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.6);
}

summary {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  font-size: 1.1rem;
  color: #d4dce6;
  padding: 0.5rem 0;
  cursor: pointer;
  list-style: none;
  transition: color 0.2s ease;
}

/* Убираем стандартный треугольник во всех браузерах */
summary::-webkit-details-marker {
  display: none;
}
summary::marker {
  display: none;
}

/* Кастомный маркер */
summary::before {
  content: "▶";
  font-size: 0.9rem;
  color: #5a7a8a;
  transition: transform 0.3s ease, color 0.2s ease;
  display: inline-block;
}

details[open] summary::before {
  transform: rotate(90deg);
  color: #82aaff;
}

/* Ховер */
summary:hover {
  color: #e8f0f8;
}
summary:hover::before {
  color: #89ddff;
}

/* Содержимое details */
details > *:not(summary) {
  padding: 1rem 0.5rem 0.5rem 1.5rem;
  border-top: 1px solid #1f262e;
  margin-top: 0.5rem;
  color: #b0bec5;
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Дочерний код внутри summary — чтобы было красиво */
details code,
details pre {
  background: #0b0d0f;
  border-radius: 12px;
  padding: 0.75rem 1rem;
  margin: 0.5rem 0;
}