/* 주제별 추천 허브 — /topics/ · /topics/{slug}/
   Visual: teal editorial hub (guides hub와 톤 맞춤)
*/

body.pickboard-topics.pickboard {
  --pb-topic-teal: #0f6b5c;
  --pb-topic-ink: #121615;
  --pb-topic-muted: #4a5c57;
  --pb-topic-line: rgba(18, 24, 22, 0.08);
  --pb-topic-soft: #f3f8f6;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(15, 107, 92, 0.08), transparent 55%),
    var(--pb-paper, #f4f7f6);
}

body.pickboard-topics .site-content,
body.pickboard-topics #content,
body.pickboard-topics .site-main {
  max-width: none !important;
  width: 100% !important;
  padding: 0 !important;
  margin: 0 !important;
}

body.pickboard-topics:has(.pb-topics-hub) .page-header,
body.pickboard-topics:has(.pb-topics-hub) .site-main > article:not(.pb-topics-hub),
body.pickboard-topics:has(.pb-topics-hub) .paging-navigation,
body.pickboard-topics:has(.pb-topics-hub) .pagination {
  display: none !important;
}

.pb-topics-hub {
  width: 100%;
  max-width: 100vw;
  overflow: clip;
  padding-bottom: clamp(2.5rem, 6vw, 4rem);
}

.pb-topics-hub *,
.pb-topics-hub *::before,
.pb-topics-hub *::after {
  box-sizing: border-box;
}

.pb-topics-hub__hero {
  position: relative;
  margin: 0;
  padding: clamp(2.2rem, 5.5vw, 3.6rem) max(1.15rem, calc((100% - 1080px) / 2 + 1.15rem));
  color: #fff;
  background:
    radial-gradient(ellipse 65% 90% at 100% 0%, rgba(255, 255, 255, 0.14), transparent 52%),
    radial-gradient(ellipse 45% 55% at 0% 100%, rgba(212, 180, 131, 0.16), transparent 55%),
    linear-gradient(148deg, #1a5c50 0%, #154a40 52%, #123f37 100%);
  overflow: hidden;
}

.pb-topics-hub__hero::after {
  content: "";
  position: absolute;
  inset: auto -8% -40% auto;
  width: min(420px, 55vw);
  height: min(420px, 55vw);
  border-radius: 40% 60% 55% 45%;
  background: rgba(255, 255, 255, 0.05);
  pointer-events: none;
}

.pb-topics-hub__hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 1rem;
  max-width: 40rem;
  justify-items: start;
}

.pb-topics-hub__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0;
  padding: 0.32rem 0.75rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.22);
  font-size: 0.8rem;
  font-weight: 750;
  letter-spacing: -0.01em;
  color: #fff;
}

.pb-topics-hub__eyebrow a {
  color: inherit;
  text-decoration: none;
}

.pb-topics-hub__eyebrow a:hover {
  text-decoration: underline;
}

.pb-topics-hub__title {
  margin: 0;
  font-size: clamp(1.85rem, 4.5vw, 2.65rem);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1.15;
  color: #fff;
}

.pb-topics-hub__lead {
  margin: 0;
  max-width: 32rem;
  font-size: 1.05rem;
  line-height: 1.65;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.86);
  word-break: keep-all;
}

.pb-topics-hub__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.85rem;
  margin: 0.15rem 0 0;
  padding: 0;
  list-style: none;
}

.pb-topics-hub__meta li {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.18);
  font-size: 0.82rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.92);
}

.pb-topics-hub__body {
  max-width: 1080px;
  margin: 0 auto;
  padding: clamp(1.6rem, 4vw, 2.4rem) clamp(1.15rem, 4vw, 1.5rem) 0;
}

.pb-topics-hub__toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.65rem 1rem;
  margin: 0 0 1.15rem;
}

.pb-topics-hub__toolbar h2 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--pb-topic-ink);
}

.pb-topics-hub__toolbar p,
.pb-topics-hub__toolbar a {
  margin: 0;
  font-size: 0.9rem;
  color: var(--pb-topic-teal);
  font-weight: 700;
  text-decoration: none;
}

.pb-topics-hub__toolbar a:hover {
  text-decoration: underline;
}

.pb-topics-hub__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

@media (min-width: 900px) {
  .pb-topics-hub__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.05rem;
  }
}

@media (max-width: 640px) {
  .pb-topics-hub__grid {
    grid-template-columns: 1fr;
  }
}

.pb-topics-hub__card {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  min-height: 8.5rem;
  padding: 1.15rem 1.2rem 1.05rem;
  background: #fff;
  border: 1px solid var(--pb-topic-line);
  border-radius: 18px;
  text-decoration: none;
  color: inherit;
  box-shadow: 0 8px 22px rgba(18, 24, 22, 0.04);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
  animation: pb-topics-hub-in 0.5s ease both;
  animation-delay: calc(var(--hub-i, 0) * 0.03s);
}

.pb-topics-hub__card:hover {
  transform: translateY(-2px);
  border-color: rgba(15, 107, 92, 0.28);
  box-shadow: 0 14px 30px rgba(18, 24, 22, 0.09);
}

.pb-topics-hub__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}

.pb-topics-hub__name {
  font-size: 1.08rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.35;
  color: var(--pb-topic-ink);
}

.pb-topics-hub__count {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  height: 1.75rem;
  padding: 0 0.5rem;
  border-radius: 999px;
  background: rgba(15, 107, 92, 0.1);
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--pb-topic-teal);
}

.pb-topics-hub__desc {
  margin: 0;
  flex: 1;
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--pb-topic-muted);
}

.pb-topics-hub__cta {
  margin-top: 0.15rem;
  font-size: 0.86rem;
  font-weight: 800;
  color: var(--pb-topic-teal);
}

.pb-topics-hub__card:hover .pb-topics-hub__cta {
  text-decoration: underline;
}

.pb-topics-hub__posts {
  display: grid;
  gap: 0.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.pb-topics-hub__post {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.9rem 1rem;
  align-items: center;
  padding: 0.95rem 1.1rem;
  background: #fff;
  border: 1px solid var(--pb-topic-line);
  border-radius: 16px;
  text-decoration: none;
  color: inherit;
  box-shadow: 0 6px 18px rgba(18, 24, 22, 0.035);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  animation: pb-topics-hub-in 0.45s ease both;
  animation-delay: calc(var(--hub-i, 0) * 0.025s);
}

.pb-topics-hub__post:hover {
  border-color: rgba(15, 107, 92, 0.28);
  box-shadow: 0 12px 26px rgba(18, 24, 22, 0.08);
}

.pb-topics-hub__thumb {
  display: block;
  width: 56px;
  height: 56px;
  border-radius: 12px;
  overflow: hidden;
  background: var(--pb-topic-soft);
}

.pb-topics-hub__thumb img,
.pb-topics-hub__thumb svg {
  width: 56px;
  height: 56px;
  object-fit: cover;
  display: block;
}

.pb-topics-hub__post-body {
  display: grid;
  gap: 0.28rem;
  min-width: 0;
}

.pb-topics-hub__cat {
  display: inline-flex;
  align-self: flex-start;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  background: rgba(15, 107, 92, 0.1);
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--pb-topic-teal);
}

.pb-topics-hub__post-title {
  font-size: 1.02rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.4;
  color: var(--pb-topic-ink);
}

.pb-topics-hub__excerpt {
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--pb-topic-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.pb-topics-hub__date {
  font-size: 0.8rem;
  font-weight: 650;
  color: var(--pb-topic-muted);
  white-space: nowrap;
}

.pb-topics-hub__empty {
  margin: 1rem 0;
  padding: 1.5rem;
  border-radius: 16px;
  background: #fff;
  border: 1px dashed var(--pb-topic-line);
  color: var(--pb-topic-muted);
  text-align: center;
}

@keyframes pb-topics-hub-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 700px) {
  .pb-topics-hub__post {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .pb-topics-hub__date {
    grid-column: 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pb-topics-hub__card,
  .pb-topics-hub__post {
    animation: none;
  }

  .pb-topics-hub__card:hover {
    transform: none;
  }
}