/* 零 JS 极简单栏排版。所有类名与 src/render.mjs 输出一一对应。 */

:root {
  --bg: #fffdfa;
  --fg: #1c1b1a;
  --muted: #6f6b66;
  --line: #e4ded6;
  --link: #1a5fb4;
  --link-visited: #6b3fa0;
  --code-bg: #f4f0ea;
  --ok: #1f7a3d;
  --bad: #b3261e;
  --max: 42rem;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16151a;
    --fg: #e6e2dc;
    --muted: #9d968d;
    --line: #2e2c33;
    --link: #8ab4f8;
    --link-visited: #c9a3f0;
    --code-bg: #211f26;
    --ok: #7bd39a;
    --bad: #f2a49c;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0 auto;
  padding: 0 1.25rem 4rem;
  max-width: var(--max);
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans SC', 'PingFang SC',
    'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  font-size: 1.0625rem;
  line-height: 1.75;
  overflow-wrap: break-word;
}

a {
  color: var(--link);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}
a:visited {
  color: var(--link-visited);
}
a:hover {
  text-decoration-thickness: 2px;
}

:focus-visible {
  outline: 2px solid var(--link);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  padding: 0.5rem 0.9rem;
  background: var(--fg);
  color: var(--bg);
}
.skip-link:focus {
  left: 0;
  z-index: 10;
}

/* ---------- 站头 / 站脚 ---------- */

.site-head {
  padding: 2.5rem 0 1rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 2rem;
}

.site-title {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}
.site-title a {
  color: inherit;
  text-decoration: none;
}
.site-title a:hover {
  color: var(--link);
}

.site-desc {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.9375rem;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
  margin-top: 1rem;
  font-size: 0.9375rem;
}
.site-nav a {
  text-decoration: none;
  color: var(--muted);
}
.site-nav a:hover {
  color: var(--link);
  text-decoration: underline;
}
.site-nav a[aria-current='page'] {
  color: var(--fg);
  font-weight: 600;
  box-shadow: inset 0 -2px 0 var(--link);
}

.site-foot {
  margin-top: 4rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.875rem;
}
.site-foot p {
  margin: 0;
}

/* ---------- 通用块 ---------- */

.list-heading {
  margin: 0 0 0.5rem;
  font-size: 1.375rem;
  line-height: 1.4;
}

.note {
  margin: 0 0 1.75rem;
  color: var(--muted);
  font-size: 0.9375rem;
}

.empty {
  padding: 2.5rem 0;
  color: var(--muted);
}

.back {
  margin-top: 1.5rem;
  font-size: 0.9375rem;
}

.badge {
  display: inline-block;
  padding: 0 0.4rem;
  margin-left: 0.35rem;
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.6;
  vertical-align: 0.1em;
}

/* ---------- 列表页 ---------- */

.post-card {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line);
}
.post-card:first-of-type {
  padding-top: 0;
}

.post-card-title {
  margin: 0;
  font-size: 1.1875rem;
  line-height: 1.45;
}
.post-card-title a {
  text-decoration: none;
}
.post-card-title a:hover {
  text-decoration: underline;
}

.meta {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.6;
}
.meta a {
  color: inherit;
}
.meta time {
  font-variant-numeric: tabular-nums;
}

.excerpt {
  margin: 0.6rem 0 0;
  color: var(--fg);
  opacity: 0.85;
  font-size: 0.9375rem;
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 2rem;
  font-size: 0.9375rem;
}
.pagination .disabled {
  color: var(--muted);
  opacity: 0.5;
}
.page-indicator {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

/* ---------- 文章页 ---------- */

.post-title {
  margin: 0 0 0.5rem;
  font-size: 1.75rem;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.meta.origin {
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
}

.post-body {
  font-size: 1.0625rem;
}
.post-body > :first-child {
  margin-top: 0;
}
.post-body p,
.post-body ul,
.post-body ol,
.post-body blockquote,
.post-body pre,
.post-body table,
.post-body figure,
.post-body details {
  margin: 0 0 1.15rem;
}
.post-body li {
  margin-bottom: 0.35rem;
}
.post-body li > ul,
.post-body li > ol {
  margin-top: 0.35rem;
  margin-bottom: 0;
}

.post-body h2,
.post-body h3,
.post-body h4,
.post-body h5,
.post-body h6 {
  margin: 2rem 0 0.75rem;
  line-height: 1.35;
}
.post-body h2 {
  font-size: 1.3125rem;
}
.post-body h3 {
  font-size: 1.125rem;
}
.post-body h4,
.post-body h5,
.post-body h6 {
  font-size: 1rem;
}

.post-body blockquote {
  padding: 0.15rem 0 0.15rem 1.1rem;
  border-left: 3px solid var(--line);
  color: var(--muted);
}
.post-body blockquote > :last-child {
  margin-bottom: 0;
}

.post-body code,
.post-body kbd,
.post-body samp {
  padding: 0.1em 0.35em;
  background: var(--code-bg);
  border-radius: 3px;
  font-family: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, 'Liberation Mono', monospace;
  font-size: 0.875em;
}

.post-body pre {
  padding: 0.9rem 1rem;
  background: var(--code-bg);
  border-radius: 5px;
  overflow-x: auto;
  line-height: 1.55;
  /* 制表符宽度收窄，避免源码里的缩进把行撑得太长 */
  tab-size: 2;
}
.post-body pre code {
  padding: 0;
  background: none;
  border-radius: 0;
  font-size: 0.875rem;
  white-space: pre;
}

.post-body img,
.post-body video,
.post-body svg,
.post-body picture {
  max-width: 100%;
  height: auto;
}
.post-body img {
  border-radius: 3px;
}
.post-body figure {
  margin-left: 0;
  margin-right: 0;
}
.post-body figcaption {
  margin-top: 0.4rem;
  color: var(--muted);
  font-size: 0.875rem;
  text-align: center;
}

.post-body hr {
  height: 1px;
  margin: 2rem 0;
  border: 0;
  background: var(--line);
}

.post-body table {
  display: block;
  width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
  font-size: 0.9375rem;
}
.post-body th,
.post-body td {
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--line);
  text-align: left;
}
.post-body th {
  background: var(--code-bg);
  font-weight: 600;
}

.post-body details summary {
  cursor: pointer;
  color: var(--link);
}

.post-body .notice {
  padding: 0.75rem 1rem;
  background: var(--code-bg);
  border-left: 3px solid var(--muted);
  border-radius: 0 4px 4px 0;
  color: var(--muted);
  font-size: 0.9375rem;
}

.excerpt-block {
  margin: 0 0 1.15rem;
  padding: 0.15rem 0 0.15rem 1.1rem;
  border-left: 3px solid var(--line);
  color: var(--muted);
}
.excerpt-block p {
  margin: 0;
}

.post-foot {
  margin-top: 3rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.875rem;
}
.post-foot p {
  margin: 0 0 0.5rem;
}
.post-foot .back {
  margin-top: 0.75rem;
}

/* ---------- 订阅源表格 ---------- */

.table-wrap {
  overflow-x: auto;
}

table.sources {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}
table.sources caption {
  text-align: left;
  color: var(--muted);
}
table.sources th,
table.sources td {
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
table.sources thead th {
  border-bottom-width: 2px;
  color: var(--muted);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
table.sources td.num,
table.sources th.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
table.sources td:first-child {
  /* 源地址很长，让它换行而不是把表格撑出横向滚动 */
  word-break: break-all;
}
table.sources time {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.status {
  font-size: 0.875rem;
  word-break: break-word;
}
.status.ok {
  color: var(--ok);
}
.status.bad {
  color: var(--bad);
}

/* ---------- 窄屏 ---------- */

@media (max-width: 34rem) {
  body {
    padding-inline: 1rem;
    font-size: 1rem;
  }
  .site-head {
    padding-top: 1.75rem;
  }
  .post-title {
    font-size: 1.4375rem;
  }
  .pagination {
    flex-wrap: wrap;
  }
  .page-indicator {
    order: 3;
    width: 100%;
    text-align: center;
  }
}

@media print {
  body {
    max-width: none;
    color: #000;
    background: #fff;
  }
  .site-nav,
  .skip-link,
  .pagination,
  .back {
    display: none;
  }
}