/* Integration adapters for the Open Design generated visual system. */
.preview-bar {
  min-height: 36px;
  padding-top: 6px;
  padding-bottom: 6px;
}
.preview-bar a {
  padding: 8px 0;
  white-space: nowrap;
}
[hidden] {
  display: none !important;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: var(--bg);
}
.site-header nav button {
  padding: 12px 0;
  font-size: 14px;
  color: var(--muted);
}
.site-header nav button.active {
  color: var(--fg);
  box-shadow: 0 1px var(--accent);
}
#mobile-nav {
  display: grid;
  position: sticky;
  top: 74px;
  z-index: 29;
  background: var(--bg);
}
#mobile-nav button {
  text-align: left;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.title-button {
  padding: 0;
  text-align: left;
  font: inherit;
  letter-spacing: inherit;
  min-height: 44px;
}
.title-button:hover {
  color: var(--accent);
}
.article-row.no-thumb {
  grid-template-columns: 30px minmax(0, 1fr);
}
.article-row .small {
  margin: 10px 0;
}
.channel-mini .actions {
  align-items: flex-start;
  flex-direction: column;
  gap: 8px;
}
.notice-inline {
  margin: 22px 0;
  padding: 18px 0 18px 18px;
  border-left: 2px solid var(--accent);
  font-size: 14px;
  line-height: 1.7;
}
.notice-inline strong {
  display: block;
}
#notice:empty {
  display: none;
}
#notice {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 80;
  width: max-content;
  max-width: min(680px, calc(100% - 40px));
  background: var(--fg);
  color: var(--bg);
  border: 1px solid var(--muted);
  padding: 16px 22px;
  font: 14px/1.6 var(--body);
  box-shadow: 0 8px 24px #0002;
}
.loading {
  padding: 100px 0;
  font: 26px var(--display);
}
.reader-toolbar {
  position: sticky;
  top: 88px;
  z-index: 20;
  background: var(--bg);
  padding: 16px 0;
}
.reader-heading .provenance {
  font: 14px/1.7 var(--body);
  color: var(--muted);
  max-width: 650px;
}
.source-details {
  font: 13px/1.65 var(--body);
  color: var(--muted);
}
.source-details summary {
  cursor: pointer;
  padding: 8px 0;
}
.reader-layout .reader-aside {
  top: 180px;
  max-height: calc(100vh - 210px);
  overflow-y: auto;
  padding-right: 14px;
}
.reader-aside summary {
  font: 11px var(--mono);
  letter-spacing: 1px;
  padding: 14px 0;
  cursor: pointer;
}
.reader-aside .toc {
  display: grid;
}
.manuscript [id] {
  scroll-margin-top: 190px;
}
.manuscript h1 {
  font-size: 40px;
  line-height: 1.25;
}
.manuscript h3 {
  font-size: 26px;
  line-height: 1.4;
  margin: 40px 0 18px;
}
.manuscript a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.manuscript pre {
  overflow-x: auto;
  font-size: 15px;
}
.manuscript table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  font-size: 18px;
}
.manuscript[lang="zh-Hans"] {
  font-family: "Noto Serif SC", "Songti SC", SimSun, serif;
  line-height: 1.95;
  letter-spacing: 0.025em;
}
.manuscript[lang="zh-Hans"] p {
  text-align: justify;
}
.job summary {
  gap: 16px;
}
.job-title,
.job summary .small {
  display: block;
}
.job-title {
  font-size: 17px;
  line-height: 1.5;
}
.job .small {
  margin-top: 6px;
}
.job p {
  font-size: 14px;
  line-height: 1.7;
}
.job .status {
  white-space: normal;
  text-align: right;
}
.balance-numbers strong {
  font-size: clamp(22px, 2vw, 28px);
}
.balance-numbers span {
  display: block;
  margin-top: 8px;
}
.allowance-bar .available {
  background: var(--accent);
}
.allowance-bar .reserved {
  background: var(--muted);
}
.allowance-bar .used {
  background: var(--border);
}
.setting p,
.sidebar details p {
  font-size: 14px;
  line-height: 1.75;
}
.setting .text-link {
  display: inline-block;
  padding: 8px 0;
}
dialog label {
  display: grid;
  gap: 8px;
  margin: 20px 0;
}
.test-accounts {
  max-width: 900px;
  margin: auto;
  padding: 60px var(--gutter) 100px;
}
.test-accounts h1 {
  font: clamp(42px, 5vw, 64px)/1.1 var(--display);
  letter-spacing: -2px;
}
.test-accounts > p {
  max-width: 600px;
  line-height: 1.8;
  color: var(--muted);
}
.test-options {
  display: grid;
  margin-top: 36px;
}
.test-options a {
  display: flex;
  justify-content: space-between;
  gap: 22px;
  align-items: center;
  padding: 26px 0;
  border-top: 1px solid var(--border);
}
.test-options strong {
  font: 28px var(--display);
}
.test-options span {
  max-width: 330px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}
#reader-demo,
#product-demo {
  scroll-margin-top: 110px;
}
@media (max-width: 820px) {
  .reader-toolbar {
    top: 74px;
  }
  .reader-layout .reader-aside {
    position: static;
    max-height: none;
    padding: 0;
  }
  .reader-aside details[open] nav {
    max-height: 320px;
    overflow-y: auto;
  }
  .reader-layout {
    gap: 30px;
  }
  .manuscript [id] {
    scroll-margin-top: 225px;
  }
}
@media (max-width: 600px) {
  .site-header {
    height: 74px;
  }
  .reader-toolbar {
    align-items: flex-start;
    gap: 4px;
  }
  .reader-toolbar > .text-link {
    padding: 4px 0;
    min-height: 30px;
    font-size: 12px;
  }
  .reader-toolbar .actions {
    width: 100%;
    flex-wrap: nowrap;
    gap: 8px;
    justify-content: space-between;
  }
  .reader-toolbar .actions select {
    max-width: 132px;
    min-width: 0;
    padding-left: 6px;
    padding-right: 6px;
  }
  .reader-toolbar .actions button {
    font-size: 13px;
    white-space: nowrap;
  }
  .reader-toolbar .button {
    padding-left: 10px;
    padding-right: 10px;
  }
  .reader-heading {
    margin: 36px auto 24px;
  }
  .reader-heading h1 {
    font-size: 37px;
    letter-spacing: -1px;
  }
  .reader-layout .manuscript {
    font-size: 20px;
  }
  .article-row.no-thumb {
    grid-template-columns: 18px minmax(0, 1fr);
  }
  .test-options a {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
  .job summary {
    display: grid;
  }
  .job .status {
    text-align: left;
  }
  #notice {
    bottom: 14px;
    padding: 12px 16px;
  }
}

/* Keep action surfaces quiet; explain on demand. */
.context-help { margin:14px 0; border-top:1px solid var(--line,var(--border)); }
.context-help summary { font-size:14px; color:var(--muted); cursor:pointer; padding:12px 0; min-height:44px; }
.context-help p { margin:0 0 14px; font-size:14px; line-height:1.7; }
.channel-mini .context-help { margin:8px 0 0; }
.sidebar > h2 { margin-bottom:24px; }
.account-layout .balance > h2 { font-size:26px; margin-bottom:24px; }
.account-layout .setting p:empty { display:none; }
.reader-heading .source-details { margin-top:16px; }
.membership-page .page-intro { padding:64px 0 44px; }
.membership-page .page-intro h1 { font-size:clamp(56px,7vw,84px); margin:0; }
.membership-page .plans { margin-bottom:72px; }
.membership-page .plan { display:flex; flex-direction:column; padding:32px; }
.membership-page .plan h2 { margin:0 0 22px; }
.membership-page .plan-value { font-size:42px; line-height:1.15; margin:0 0 8px; }
.membership-page .plan-period { font-size:14px; color:var(--muted); margin:0; }
.membership-page .plan ul { margin:28px 0 32px; }
.membership-page .plan .button { margin-top:auto; align-self:flex-start; }
.membership-page .membership-faq { display:grid; grid-template-columns:1fr 2fr; gap:64px; padding-bottom:72px; }
.membership-page .membership-faq > h2 { font-size:40px; }
.membership-page .faq summary { font-size:18px; padding:18px 0; min-height:56px; }
.membership-page .faq p { font-size:16px; line-height:1.75; }
.membership-page .site-footer nav { display:flex; gap:24px; }
@media(max-width:820px) {
  .membership-page .membership-faq { grid-template-columns:1fr; gap:20px; }
  .membership-page .page-intro { padding:40px 0 30px; }
  .membership-page .plan { padding:28px; }
}
@media(max-width:600px) {
  .membership-page .plan h2 { margin-bottom:12px; }
  .membership-page .plan-value { font-size:36px; }
  .membership-page .plan ul { margin:18px 0 20px; }
  .membership-page .plan li { padding:10px 0; }
}
/* Reader chrome stays compact so the manuscript starts earlier. */
.reader-heading { margin-top:34px; margin-bottom:24px; }
.reader-heading h1 { font-size:clamp(36px,4vw,54px); }
.reader-heading .source-details { margin-top:8px; }
.reader-toolbar { padding-top:12px; padding-bottom:12px; }
@media(max-width:600px) { .reader-heading { margin-top:26px; } .reader-heading h1 { font-size:36px; } }

.membership-page .plans { grid-template-columns: repeat(2,minmax(0,1fr)); max-width: 960px; margin-inline: auto; }
@media(max-width:680px) { .membership-page .plans { grid-template-columns:1fr; } }