/* Reading directory: shared portal shell, independently scoped chapter layout. */
.personal-archives {
  scroll-padding-top: 165px;
}
.personal-archives .reading-hero {
  min-height: 390px;
  height: auto;
  max-height: none;
  padding: 138px 0 48px;
}
.reading-hero h1 {
  font-size: 46px;
  line-height: 1.4;
  letter-spacing: -1px;
  font-weight: 500;
}
.reading-hero h1 span {
  color: #beacee;
}
.reading-hero .hero-eyebrow {
  font: 10px var(--mono);
  letter-spacing: 2px;
  margin-bottom: 20px;
}
.reading-intro {
  font-size: 13px;
  line-height: 2;
  color: #a5abc0;
  margin-top: 18px;
}
.reading-stats {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 28px;
  font: 24px var(--display);
  color: #d9d5ed;
}
.reading-stats small {
  font: 11px var(--body);
  margin-left: 7px;
  color: #a4a4b9;
}
.reading-stats i {
  height: 20px;
  width: 1px;
  background: #ffffff25;
}
.reading-note {
  margin-left: auto;
  font: 11px var(--body);
  color: #8f91aa;
}
.topic-bar {
  position: sticky;
  top: 86px;
  z-index: 30;
  background: #fafaf8f5;
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}
.topic-nav {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 32px;
}
.topic-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 66px;
  border-bottom: 2px solid transparent;
  font-size: 13px;
  color: #697183;
  gap: 12px;
}
.topic-link small {
  font: 10px var(--mono);
  opacity: 0.65;
}
.topic-link:hover,
.topic-link[aria-current] {
  color: #715898;
  border-bottom-color: #aa95d3;
}
.topic-mobile {
  display: none;
}
.reading-content {
  padding-top: 64px;
  padding-bottom: 90px;
}
.archive-series-section {
  padding-bottom: 72px;
  scroll-margin-top: 174px;
}
.reading-section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
  margin-bottom: 30px;
}
.reading-section-head h2 {
  font-size: 32px;
  margin: 12px 0 8px;
}
.reading-section-head p {
  color: var(--muted);
  font-size: 13px;
  line-height: 2;
}
.reading-section-head .text-link {
  white-space: nowrap;
}
.archive-card {
  border-top: 1px solid var(--line);
  margin-top: 30px;
  padding-top: 25px;
}
.archive-card-header {
  margin-bottom: 16px;
}
.archive-card-icon {
  display: none;
}
.archive-card-title {
  font-size: 19px;
  font-weight: 500;
  display: flex;
  align-items: baseline;
  gap: 20px;
  flex-wrap: wrap;
}
.archive-card-sub {
  font: 10px var(--mono);
  color: #92859e;
  font-weight: 400;
}
.archive-card-desc {
  font-size: 12px;
  color: var(--muted);
  margin-top: 8px;
}
.archive-item {
  display: flex;
  align-items: center;
  gap: 22px;
  min-height: 60px;
  padding: 14px 18px;
  border-bottom: 1px solid #e8e8ed;
  transition: background 0.2s;
}
.archive-item:hover {
  background: #efedf4;
}
.archive-num {
  width: 35px;
  flex: none;
  font: 11px var(--mono);
  color: #9b88b2;
}
.archive-name {
  font-size: 14px;
  line-height: 1.8;
  min-width: 0;
}
.archive-arrow {
  margin-left: auto;
  flex: none;
  color: #927fa5;
}
.archive-layer {
  font-size: 11px;
  color: #7b649b;
  border: 1px solid #d8cfe5;
  padding: 2px 7px;
  border-radius: 4px;
  white-space: nowrap;
}
.archive-item-body {
  min-width: 0;
}
.archive-item-desc {
  display: block;
  font-size: 11px;
  color: var(--muted);
  margin-top: 5px;
}
.archive-item--rich {
  min-height: 82px;
}
.archive-series-section:last-child {
  padding-bottom: 0;
}
.archive-card-title > span:first-child {
  color: var(--ink);
}
@media (min-width: 1100px) {
  #series-agent,
  #series-security,
  #series-ops {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 0 42px;
    align-items: start;
  }
  .reading-section-head {
    grid-column: 1/-1;
  }
  .archive-card {
    min-width: 0;
  }
}
@media (max-width: 760px) {
  .personal-archives .reading-hero {
    padding: 112px 0 34px;
    min-height: 360px;
  }
  .reading-hero h1 {
    font-size: 32px;
  }
  .reading-intro {
    font-size: 12px;
  }
  .reading-stats {
    font-size: 23px;
    gap: 20px;
  }
  .reading-note {
    display: none;
  }
  .topic-bar {
    top: 70px;
  }
  .topic-nav {
    display: none;
  }
  .topic-mobile {
    display: block;
    margin: 0 20px;
  }
  .topic-mobile summary {
    display: flex;
    align-items: center;
    gap: 7px;
    min-height: 56px;
    font-size: 12px;
    cursor: pointer;
    list-style: none;
  }
  .topic-mobile summary::-webkit-details-marker {
    display: none;
  }
  .topic-mobile summary > span:last-child {
    margin-left: auto;
  }
  .topic-mobile nav {
    padding-bottom: 12px;
  }
  .topic-mobile .topic-link {
    min-height: 48px;
  }
  .reading-content {
    padding-top: 42px;
    padding-bottom: 55px;
  }
  .reading-section-head {
    display: block;
    margin-bottom: 22px;
  }
  .reading-section-head h2 {
    font-size: 27px;
  }
  .reading-section-head p {
    font-size: 12px;
  }
  .reading-section-head .text-link {
    margin-top: 9px;
  }
  .archive-series-section {
    padding-bottom: 50px;
    scroll-margin-top: 142px;
  }
  .archive-card {
    margin-top: 22px;
    padding-top: 20px;
  }
  .archive-card-title {
    font-size: 17px;
    gap: 7px;
    flex-direction: column;
  }
  .archive-card-sub {
    font-size: 9px;
  }
  .archive-item {
    gap: 10px;
    padding: 13px 3px;
    min-height: 60px;
  }
  .archive-num {
    width: 26px;
    font-size: 10px;
  }
  .archive-name {
    font-size: 13px;
  }
  .archive-layer {
    display: none;
  }
  .archive-item-desc {
    font-size: 10px;
  }
  .archive-card-desc {
    font-size: 11px;
  }
  html:not(.portal-enhanced) .personal-archives .reading-hero {
    padding-top: 190px;
  }
  html:not(.portal-enhanced) .personal-archives .topic-bar {
    position: static;
  }
}
/* Native scrolling adds the root's 100px scroll padding to this section margin. */
.archive-series-section { scroll-margin-top: 74px; }
@media (max-width:760px) { .archive-series-section { scroll-margin-top:56px; } }