/* Base styles for all elements */
.prose * {
  margin: 0;
  padding: 0;
  font-size: var(--font-size-m);
}

/* Main content container */
.prose {
  margin-bottom: 8rem;
}

/* 正文字体，由主题选项 fonts.body 设置；未设置时与页面其他部分相同 */
.prose .content {
  font-family: var(--font-body, var(--sans));
}
/* Remove margin-top for the first child */
.prose .content > :first-child {
  margin-top: 0;
}

/* Post title section */
.prose .title {
  margin-bottom: 2.5em;
}

.prose .title h1 {
  margin: 0 0 0.375rem 0;
}

/* Headings (h1-h5)
 Adjust size or spacing below if needed. */
.prose h1,
.prose h2,
.prose h3,
.prose h4,
.prose h5 {
  font-size: var(--font-size-m);
  font-weight: var(--font-weight-bold);
  line-height: 1.75;
  margin: 3.75em 0 1.75em 0;
}

/* Bold text */
.prose strong,
.prose b {
  font-weight: var(--font-weight-bold);
}

/* Italic text */
.prose em {
  font-family: var(--serif);
  font-style: italic;
  letter-spacing: 0;
}

/* Links */
.prose a {
  color: var(--primary);
  text-decoration: underline;
  text-decoration-color: var(--text-tertiary);
  transition: text-decoration-color 0.2s ease-out;
}

.prose a:hover {
  color: var(--primary);
  text-decoration-color: var(--text-primary);
}

/* Paragraphs */
.prose p {
  line-height: 1.75;
  margin: 1.75em 0;
}

/* Tables */
.prose table {
  table-layout: fixed;
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 1.75em 0;
  font-size: var(--font-size-m);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

/* Table cells */
.prose th,
.prose td {
  border: none;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 0.5em 1em;
  text-align: left;
}

.prose th:last-child,
.prose td:last-child {
  border-right: none;
}

.prose tr:last-child td {
  border-bottom: none;
}

.prose th {
  background: var(--astro-code-background);
  font-weight: var(--font-weight-bold);
}

/* Images */
.prose img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 2em 0;
}

.img-placeholder {
  background: var(--code-bg);
  display: block;
}

/* Loading state for images */
.prose img[loading='lazy'] {
  opacity: 0;
  animation: fadeIn 0.3s ease-out forwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.prose figure {
  margin-bottom: 2em;
  text-align: center;
}

.prose figure img {
  margin-bottom: 1em;
}

.prose figure figcaption {
  color: var(--text-secondary);
  font-size: var(--font-size-s);
  text-align: center;
}

.prose p > img {
  position: relative;
  margin-bottom: 2em;
}

.prose p > img::after {
  content: attr(alt);
  display: block;
  position: absolute;
  left: 0;
  width: 100%;
  text-align: center;
  color: var(--text-secondary);
  font-size: var(--font-size-s);
  margin-top: 0.75em;
}

.prose .img-caption {
  display: block;
  text-align: center;
  color: var(--text-secondary);
  font-size: var(--font-size-s);
  margin-bottom: 2em;
}

/* Inline code */
.prose code {
  padding: 2.5px 3.5px;
  border-radius: 5px;
  background-color: var(--code-bg);
  border: 0.5px solid var(--border);
  font-family: var(--mono);
  font-size: 0.9em;
  font-feature-settings:
    'liga' 0,
    'calt' 0;
  -webkit-font-feature-settings:
    'liga' 0,
    'calt' 0;
}

/* Blockquotes */
.prose blockquote {
  border-left: 2px solid var(--border);
  margin: 0 0 1.75em 0.125em;
  padding: 0 0 0 1.375em;
  text-align: left;
}

.prose blockquote p {
  margin: 0;
}

.prose blockquote cite {
  display: inline-block;
  margin-top: 0.5em;
}

/* Unordered lists */
.prose ul {
  list-style-type: none;
  padding-left: 0;
  margin-left: 1rem;
  margin-bottom: 1.75em;
  line-height: 1.75;
}

.prose ul ul {
  margin-left: 0.625rem;
  margin-top: 0.5em;
  margin-bottom: 0.5em;
}

.prose ul li {
  position: relative;
  padding-left: 0.125rem;
  margin-bottom: 0.5em;
}

.prose ul li:last-child {
  margin-bottom: 0;
}

.prose ul li > ul {
  margin-top: 0.5em;
  margin-bottom: 0.5em;
}

.prose ul li::before {
  --size: 0.3125rem;
  content: '';
  position: absolute;
  left: -0.785rem;
  top: calc((1.75em - var(--size)) / 2);
  width: var(--size);
  height: var(--size);
  border-radius: 50%;
  background-color: var(--text-tertiary);
}

/* Ordered lists */
.prose ol {
  list-style-position: outside;
  padding-left: 0;
  margin-left: 1.25rem;
  margin-bottom: 1.75em;
  counter-reset: item;
}

.prose ol li {
  display: block;
  position: relative;
  padding-left: 0.125rem;
  margin-bottom: 0.5em;
}

.prose ol li:last-child {
  margin-bottom: 0;
}

.prose ol li::before {
  content: counter(item) '.';
  counter-increment: item;
  position: absolute;
  left: -1.15rem;
  width: 1.5rem;
  text-align: left;
  color: var(--text-secondary);
  opacity: 0.75;
  font-variant-numeric: tabular-nums;
  font-feature-settings:
    'tnum' 1,
    'zero' 0,
    'cv01' 1,
    'cv02' 1,
    'calt' 1,
    'ss03' 1,
    'liga' 1,
    'ordn' 1;
}

/* Task lists */
.prose ul.contains-task-list {
  list-style: none;
  margin-left: 0;
  white-space: nowrap;
}

.prose ul.contains-task-list li::before {
  content: none;
}

.prose ul.contains-task-list li.task-list-item {
  padding-left: 0.125em;
  margin-bottom: 0.5em;
}

.prose ul.contains-task-list li.task-list-item:last-child {
  margin-bottom: 0;
}

/* Task list checkboxes */
.prose ul.contains-task-list li.task-list-item input[type='checkbox'] {
  margin-right: 0.625em;
  position: relative;
  top: 0.15em;
  width: 1em;
  height: 1em;
  border: 1.35px solid var(--text-tertiary);
  border-radius: 4px;
  background: transparent;
  appearance: none;
  -webkit-appearance: none;
}

.prose ul.contains-task-list li.task-list-item input[type='checkbox']:checked {
  position: relative;
  background: var(--code-bg);
  font-family: var(--sans);
  border: 1.35px solid var(--text-tertiary);
  opacity: 0.75;
}

.prose ul.contains-task-list li.task-list-item input[type='checkbox']:checked::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-45%, -55%);
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 650;
  color: var(--text-primary);
  opacity: 0.55;
}

.prose ul.contains-task-list li.task-list-item input[type='checkbox'] + * {
  display: inline;
  margin-left: 0;
  line-height: 1.75;
  white-space: nowrap;
}

/* .prose ul.contains-task-list li.task-list-item:has(input[type='checkbox']:checked) {
  text-decoration: line-through;
} */

/* Subscript and superscript */
.prose sup,
.prose sub,
.prose sup a {
  margin: 0 0.125em;
  font-size: 0.875em;
  line-height: 1;
}

/* Horizontal rule */
.prose hr {
  margin: 3.75em 0;
  height: auto;
  border: none;
  background: none;
  text-align: center;
  position: relative;
}

.prose hr::before {
  content: '***';
  font-family: var(--mono);
  color: var(--text-tertiary);
  font-size: 0.875em;
  letter-spacing: 0.25em;
}

/* Keyboard input */
.prose kbd {
  font-family: var(--mono);
  font-size: var(--font-size-s);
  border: 1px solid var(--text-tertiary);
  padding: 1px 4px;
  border-radius: 5px;
  min-width: 1.75em;
  display: inline-block;
  text-align: center;
  /* box-shadow: inset 0 -2.5px 0 var(--border); */
}

/* Highlighted text */
.prose mark {
  background-color: var(--mark);
  color: var(--text-primary);
  padding: 3px 1px;
}

/* Footnotes */
.prose .footnotes {
  margin-top: 4rem;
  padding-top: 1.75rem;
  position: relative;
}

.prose .footnotes::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4rem;
  height: 1px;
  background-color: var(--border);
}

.prose cite {
  font-style: normal;
}

/* Footnote references */
.prose [data-footnote-backref] {
  position: relative;
  font-family: var(--mono);
  font-size: var(--font-size-l);
  top: -0.05em;
}

.prose [data-footnote-ref] {
  font-size: 1em;
  font-variant-numeric: tabular-nums;
  font-feature-settings:
    'tnum' 1,
    'zero' 0,
    'cv01' 1,
    'cv02' 1,
    'calt' 1,
    'ss03' 1,
    'liga' 1,
    'ordn' 1;
}

.prose [data-footnote-ref],
.prose [data-footnote-backref] {
  color: var(--text-secondary);
  opacity: 0.875;
  text-decoration: none;
  transition: color 0.2s ease-out;
  padding-right: 0.125em;
}

.prose [data-footnote-ref]:hover,
.prose [data-footnote-backref]:hover {
  color: var(--text-primary);
}

/* Footnote highlight animation */
.prose .footnotes li.footnote-highlight,
.prose sup.footnote-highlight,
.prose cite.footnote-highlight {
  animation: footnote-highlight 1.35s ease-out;
}

@keyframes footnote-highlight {
  0%,
  87% {
    background-color: var(--selection);
  }
  100% {
    background-color: transparent;
  }
}

/* Code blocks */
.prose pre {
  background-color: var(--astro-code-background);
  border-radius: 8px;
  padding: 1.25em 1.5em;
  margin: 2em 0;
  overflow-x: auto;
}

@media (max-width: 768px) {
  .prose pre {
    padding: 1em 1.25em;
  }
}

.prose pre > code {
  font-family: var(--mono);
  font-feature-settings:
    'liga' 0,
    'calt' 0;
  display: block;
  white-space: pre;
  word-break: normal;
  overflow-wrap: normal;
  padding: 0;
  margin: 0;
  background: none;
  border: none;
  line-height: 1.5;
  border-radius: 0;
}

.prose pre > code * {
  font-size: var(--font-size-s);
}

/* Reading Time */
.reading-time {
  color: var(--text-secondary);
  letter-spacing: -0.025em;
}

.reading-time .separator {
  margin: 0 0.25em;
}

/* Video */
.prose iframe {
  width: 100%;
  aspect-ratio: 16/9;
  border: none;
  border-radius: 6px;
  margin: 0.25em 0 0 0;
}

/* Spotify */
.prose iframe[src*='spotify.com'] {
  aspect-ratio: auto;
}