/* ==========================================================================
   Detail page — article typography, breadcrumb, skeleton & related posts.
   Complements the "Mint Soft" theme in styles.css.
   ========================================================================== */

#backBtn {
  padding: 9px 18px;
  margin-top: 10px;
  border: none;
  border-radius: 999px;
  background: var(--accent);
  color: var(--on-accent);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.25s;
}

#backBtn:hover {
  background-color: #7dcb94;
}

#backBtn:active {
  background-color: #4ea86c;
}

/* --------------------------------------------------------------------------
   Breadcrumb
   -------------------------------------------------------------------------- */
.breadcrumb-container {
  max-width: 820px;
  margin: 20px auto 0;
  padding: 10px 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow: hidden;
}

.breadcrumb-item {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
  width: max-content;
  overflow: hidden;
  text-overflow: ellipsis;
}

.breadcrumb-item:last-child {
  min-width: 0;
  flex: 1 1 auto;
}

.breadcrumb-item a {
  color: var(--muted);
  transition: color 0.22s ease;
}

.breadcrumb-item a:hover {
  color: var(--accent);
}

.breadcrumb-separator {
  margin: 0 8px;
  color: rgba(27, 43, 36, 0.28);
}

/* --------------------------------------------------------------------------
   Skeleton screen
   -------------------------------------------------------------------------- */
.skeleton-container {
  display: none;
  max-width: 820px;
  margin: 0 auto;
  padding: 16px 18px;
}

.skeleton-container.active {
  display: block;
}

.skeleton-title {
  height: 38px;
  width: 62%;
  margin: 1.4em 0 0.9em;
  border-radius: 10px;
  background: linear-gradient(100deg, var(--surface) 30%, var(--surface-2) 50%, var(--surface) 70%);
  background-size: 220% 100%;
  animation: skeleton-loading 1.4s ease-in-out infinite;
}

.skeleton-paragraph {
  height: 18px;
  margin-bottom: 1.1em;
  border-radius: 8px;
  background: linear-gradient(100deg, var(--surface) 30%, var(--surface-2) 50%, var(--surface) 70%);
  background-size: 220% 100%;
  animation: skeleton-loading 1.4s ease-in-out infinite;
}

.skeleton-image {
  height: 220px;
  margin: 1.8em 0;
  border-radius: var(--radius);
  background: linear-gradient(100deg, var(--surface) 30%, var(--surface-2) 50%, var(--surface) 70%);
  background-size: 220% 100%;
  animation: skeleton-loading 1.4s ease-in-out infinite;
}

@keyframes skeleton-loading {
  0% {
    background-position: 120% 0;
  }
  100% {
    background-position: -20% 0;
  }
}

/* --------------------------------------------------------------------------
   Related articles
   -------------------------------------------------------------------------- */
.related-articles {
  max-width: 1180px;
  margin: 48px auto 0;
  padding: 0 18px;
}

.related-articles .section-header {
  margin-top: 0;
}

/* --------------------------------------------------------------------------
   Markdown content
   -------------------------------------------------------------------------- */
.markdown-container {
  font-family: var(--sans);
  line-height: 1.8;
}

#markdown-content {
  display: block;
  max-width: 820px;
  margin: 0 auto;
  padding: 18px 18px 24px;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.8;
  word-wrap: break-word;
}

#markdown-content > *:first-child {
  margin-top: 0;
}

#markdown-content h1,
#markdown-content h2,
#markdown-content h3,
#markdown-content h4 {
  color: var(--title);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

#markdown-content h1 {
  margin: 0 0 1em;
  padding-bottom: 0.4em;
  font-size: clamp(26px, 6.4vw, 38px);
  border-bottom: 2px solid var(--accent);
}

#markdown-content h2 {
  position: relative;
  margin: 1.8em 0 0.7em;
  padding-left: 14px;
  font-size: clamp(21px, 4.6vw, 27px);
}

#markdown-content h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.18em;
  bottom: 0.18em;
  width: 4px;
  border-radius: 4px;
  background: var(--accent);
}

#markdown-content h3 {
  margin: 1.5em 0 0.6em;
  font-size: clamp(18px, 4vw, 21px);
}

#markdown-content h4 {
  margin: 1.3em 0 0.5em;
  font-size: 17px;
  color: var(--ink);
}

#markdown-content p {
  margin: 0 0 1.2em;
}

#markdown-content a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

#markdown-content a:hover {
  color: var(--accent-2);
}

#markdown-content strong {
  color: var(--ink);
}

#markdown-content ul,
#markdown-content ol {
  margin: 1em 0 1.2em;
  padding-left: 1.3em;
}

#markdown-content li {
  margin-bottom: 0.5em;
}

#markdown-content ul li::marker,
#markdown-content ol li::marker {
  color: var(--accent);
}

#markdown-content img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 2em auto;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

.table-container {
  width: 100%;
  margin: 1.5em 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

#markdown-content table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

#markdown-content th,
#markdown-content td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

#markdown-content th {
  background: var(--surface-2);
  color: var(--ink);
  font-weight: 700;
}

#markdown-content tbody tr:nth-child(even) {
  background: rgba(27, 43, 36, 0.03);
}

#markdown-content blockquote {
  margin: 1.4em 0;
  padding: 0.8em 1.2em;
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--surface);
  color: var(--muted);
}

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

#markdown-content hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 2.2em 0;
}

#markdown-content pre {
  margin: 1.4em 0;
  padding: 16px 18px;
  overflow-x: auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: #1b2b24;
}

#markdown-content code {
  font-family: "Courier New", ui-monospace, monospace;
  font-size: 14px;
  line-height: 1.6;
  color: #d9e6bf;
}

#markdown-content :not(pre) > code {
  padding: 2px 7px;
  border-radius: 6px;
  background: var(--surface-2);
  color: var(--accent);
}

#markdown-content pre code {
  display: block;
  padding: 0;
  border-radius: 0;
  background: transparent;
  overflow: visible;
}

@media screen and (min-width: 620px) {
  .breadcrumb-container {
    padding: 22px 26px 8px;
  }

  #markdown-content {
    padding: 10px 26px 30px;
  }

  .related-articles {
    padding: 0 26px;
  }
}

@media screen and (min-width: 900px) {
  .related-articles {
    padding: 0 30px;
  }
}