/* Inner pages — category / article / hub landings */
.t15-page {
  padding: clamp(28px, 4vh, 48px) 0 clamp(48px, 6vh, 72px);
}

.t15-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.55rem;
  margin: 0 0 1.25rem;
  font-size: 0.86rem;
  color: var(--t15-muted);
}

.t15-breadcrumb a:hover { color: var(--t15-brand); }
.t15-breadcrumb__current { color: var(--t15-text-strong); font-weight: 600; }

.t15-page__head {
  margin-bottom: 1.5rem;
}

.t15-page__eyebrow {
  display: inline-block;
  margin: 0 0 0.45rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--t15-brand);
}

.t15-page__head h1 {
  margin: 0 0 0.55rem;
  font-size: clamp(1.55rem, 3.2vw, 2rem);
  line-height: 1.25;
  color: var(--t15-text-strong);
}

.t15-page__lead {
  margin: 0;
  max-width: 46rem;
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--t15-muted);
}

.t15-page__meta {
  margin: 0.75rem 0 0;
  font-size: 0.86rem;
  color: var(--t15-muted-2);
}

/* News cover cards (theme_003-style grid, 015 palette) */
.t15-article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 22px;
}

.t15-post {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 0 0 18px;
  border-radius: var(--t15-radius, 14px);
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid var(--t15-line);
  box-shadow: 0 8px 24px rgba(114, 8, 145, 0.06);
  transition: transform .15s ease, border-color .15s ease, box-shadow .15s ease;
}

.t15-post:hover {
  transform: translateY(-3px);
  border-color: rgba(114, 8, 145, 0.28);
  box-shadow: 0 14px 32px rgba(114, 8, 145, 0.12);
}

.t15-post__thumb {
  display: block;
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  margin-bottom: 16px;
  overflow: hidden;
  background: var(--t15-bg-3, #f3eef8);
}

.t15-post__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}

.t15-post:hover .t15-post__thumb img {
  transform: scale(1.04);
}

.t15-post__thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(50, 57, 79, 0.28) 100%);
  pointer-events: none;
}

.t15-post__thumb--placeholder {
  background:
    radial-gradient(circle at 70% 30%, hsla(var(--t15-thumb-hue, 280), 55%, 48%, 0.45), transparent 60%),
    linear-gradient(135deg,
      hsl(var(--t15-thumb-hue, 280), 42%, 38%) 0%,
      hsl(calc(var(--t15-thumb-hue, 280) + 28), 48%, 22%) 100%);
}

.t15-post__thumb--placeholder::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
}

.t15-post__mark {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: clamp(40px, 8vw, 64px);
  font-weight: 700;
  color: rgba(255, 255, 255, 0.9);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.35);
  letter-spacing: -0.02em;
}

.t15-post__cat {
  align-self: flex-start;
  display: inline-block;
  margin: 0 18px 10px;
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #fff !important;
  background: var(--t15-brand);
}

.t15-post__title {
  margin: 0 18px 10px;
  font-size: 1.05rem;
  line-height: 1.4;
}

.t15-post__title a {
  color: var(--t15-text-strong);
  background-image: linear-gradient(var(--t15-brand), var(--t15-brand));
  background-size: 0% 1px;
  background-position: 0 100%;
  background-repeat: no-repeat;
  transition: background-size .25s ease, color .15s ease;
}

.t15-post:hover .t15-post__title a {
  color: var(--t15-brand);
  background-size: 100% 1px;
}

.t15-post__desc {
  margin: 0 18px 16px;
  flex: 1;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--t15-muted);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.t15-post__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  margin: 0 18px;
  padding-top: 12px;
  border-top: 1px dashed var(--t15-line);
  font-size: 0.82rem;
  color: var(--t15-muted-2);
}

.t15-post__more {
  font-weight: 700;
  color: var(--t15-brand) !important;
  white-space: nowrap;
}

.t15-news-more {
  display: flex;
  justify-content: center;
  margin-top: 1.5rem;
}

.t15-news-more__link {
  display: inline-flex;
  align-items: center;
  padding: 0.65rem 1.25rem;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 700;
  color: #fff;
  background: var(--t15-btn-grad, linear-gradient(99deg, #b45fd0, #720891));
  box-shadow: 0 8px 20px rgba(114, 8, 145, 0.22);
  transition: transform .15s ease, box-shadow .15s ease;
}

.t15-news-more__link:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(114, 8, 145, 0.3);
}

.t15-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}

.t15-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 1.05rem 1.1rem 1.15rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--t15-line);
  box-shadow: 0 8px 24px rgba(114, 8, 145, 0.06);
  transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}

.t15-card:hover {
  transform: translateY(-2px);
  border-color: rgba(114, 8, 145, 0.22);
  box-shadow: 0 12px 28px rgba(114, 8, 145, 0.12);
}

.t15-card__title {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
  line-height: 1.35;
  color: var(--t15-text-strong);
}

.t15-card__title a:hover { color: var(--t15-brand); }

.t15-card__desc {
  margin: 0 0 0.85rem;
  flex: 1 1 auto;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--t15-muted);
}

.t15-card__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.82rem;
  color: var(--t15-muted-2);
}

.t15-card__more {
  color: var(--t15-brand);
  font-weight: 700;
}

.t15-pager {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--t15-line);
}

.t15-pager__link {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  border: 1px solid rgba(114, 8, 145, 0.18);
  background: rgba(255, 255, 255, 0.8);
  color: var(--t15-brand);
  font-size: 0.86rem;
  font-weight: 600;
}

.t15-pager__link:hover { background: rgba(114, 8, 145, 0.08); }
.t15-pager__link--disabled {
  opacity: 0.45;
  pointer-events: none;
  color: var(--t15-muted);
}

.t15-pager__info {
  font-size: 0.86rem;
  color: var(--t15-muted);
}

.t15-empty {
  padding: 2rem 1.25rem;
  border-radius: 14px;
  border: 1px dashed var(--t15-line);
  background: rgba(255, 255, 255, 0.7);
  text-align: center;
  color: var(--t15-muted);
}

/* ---------- Article detail (theme_003 layout, 015 palette) ---------- */
.t15-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 80;
  pointer-events: none;
  background: transparent;
}

.t15-progress > span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--t15-brand-mid), var(--t15-brand));
  box-shadow: 0 0 8px rgba(114, 8, 145, 0.4);
  transition: width 0.08s linear;
}

.t15-article-section {
  padding-top: clamp(24px, 3vh, 36px);
}

.t15-article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 36px;
  align-items: start;
}

.t15-article {
  max-width: none;
  margin: 0;
  overflow: hidden;
  border-radius: var(--t15-radius, 14px);
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid var(--t15-line);
  box-shadow: 0 10px 28px rgba(114, 8, 145, 0.06);
}

.t15-article__cover {
  position: relative;
  width: 100%;
  aspect-ratio: 21 / 9;
  margin: 0;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  background: var(--t15-bg-3, #f3eef8);
}

.t15-article__cover img {
  width: 100%;
  height: 100%;
  aspect-ratio: auto;
  object-fit: cover;
}

.t15-article__cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(255, 255, 255, 0.92) 100%);
  pointer-events: none;
}

.t15-article__cover--placeholder {
  background:
    radial-gradient(circle at 70% 30%, hsla(var(--t15-thumb-hue, 280), 55%, 48%, 0.45), transparent 60%),
    linear-gradient(135deg,
      hsl(var(--t15-thumb-hue, 280), 42%, 38%) 0%,
      hsl(calc(var(--t15-thumb-hue, 280) + 28), 48%, 22%) 100%);
}

.t15-article__cover--placeholder::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
}

.t15-article__cover--placeholder .t15-post__mark {
  font-size: clamp(72px, 11vw, 120px);
}

.t15-article__cover--placeholder::after {
  background: linear-gradient(180deg, transparent 45%, rgba(255, 255, 255, 0.88) 100%);
}

.t15-article__head,
.t15-article__body,
.t15-article__tags,
.t15-share,
.t15-article__nav,
.t15-article__foot {
  padding-left: 48px;
  padding-right: 48px;
}

.t15-article__head {
  padding-top: 28px;
  margin-bottom: 28px;
}

.t15-article__cat-pill {
  margin: 0 0 12px;
}

.t15-article__head h1 {
  margin: 0 0 14px;
  font-size: clamp(1.55rem, 3.4vw, 2.2rem);
  line-height: 1.25;
  color: var(--t15-text-strong);
}

.t15-article__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 16px;
  margin: 0;
  font-size: 0.86rem;
  color: var(--t15-muted);
}

.t15-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.t15-meta-item svg {
  color: var(--t15-brand);
  flex-shrink: 0;
}

.t15-article__lede {
  margin: 20px 0 0;
  padding: 0 0 0 14px;
  border-left: 3px solid var(--t15-brand);
  border-radius: 0;
  background: transparent;
  color: var(--t15-muted);
  font-size: 1rem;
  line-height: 1.7;
}

.t15-article__body {
  font-size: 1.02rem;
  line-height: 1.85;
  color: var(--t15-text);
  scroll-margin-top: 80px;
}

.t15-article__body h2,
.t15-article__body h3 {
  margin: 1.75rem 0 0.75rem;
  color: var(--t15-text-strong);
  line-height: 1.35;
  scroll-margin-top: 80px;
}

.t15-article__body h3 { color: var(--t15-brand); }
.t15-article__body p { margin: 0 0 1rem; color: var(--t15-muted); }
.t15-article__body ul,
.t15-article__body ol {
  margin: 0 0 1rem 1.25rem;
  color: var(--t15-muted);
}
.t15-article__body a { border-bottom: 1px dashed currentColor; color: var(--t15-brand); }
.t15-article__body blockquote {
  margin: 1.1rem 0;
  padding: 0.85rem 1rem;
  border-left: 3px solid var(--t15-brand);
  border-radius: 0 10px 10px 0;
  background: rgba(215, 158, 229, 0.14);
  color: var(--t15-text);
}
.t15-article__body img {
  margin: 1rem 0;
  border-radius: 12px;
  max-width: 100%;
  height: auto;
}

.t15-article__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 1.5rem;
  padding-top: 0;
}

.t15-article__tag {
  padding: 0.22rem 0.6rem;
  border-radius: 999px;
  background: rgba(114, 8, 145, 0.08);
  color: var(--t15-brand);
  font-size: 0.78rem;
}

.t15-share {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 1.35rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--t15-line);
}

.t15-share__label {
  margin-right: 4px;
  font-size: 0.82rem;
  color: var(--t15-muted);
}

.t15-share__btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--t15-line);
  background: rgba(247, 249, 251, 0.95);
  color: var(--t15-muted) !important;
  font-size: 0.82rem;
  cursor: pointer;
  text-decoration: none;
}

.t15-share__btn:hover {
  color: var(--t15-brand) !important;
  border-color: rgba(114, 8, 145, 0.28);
  background: rgba(215, 158, 229, 0.16);
}

.t15-article__nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
  margin-top: 1.5rem;
  padding-top: 0;
}

.t15-article__nav-card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 0.95rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--t15-line);
  background: rgba(247, 249, 251, 0.9);
}

.t15-article__nav-card:hover { border-color: rgba(114, 8, 145, 0.28); }
.t15-article__nav-card--next { text-align: right; }
.t15-article__nav-hint {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--t15-brand);
  font-weight: 700;
}
.t15-article__nav-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--t15-text-strong);
  line-height: 1.4;
}

.t15-article__foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem 1.25rem;
  margin-top: 1.5rem;
  margin-bottom: 0;
  padding-top: 1.15rem;
  padding-bottom: 2rem;
  border-top: 1px solid var(--t15-line);
  font-size: 0.9rem;
}

.t15-article__foot a { color: var(--t15-brand); font-weight: 600; }

.t15-article-side {
  position: sticky;
  top: 88px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.t15-side-card {
  padding: 1rem 1.05rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid var(--t15-line);
  box-shadow: 0 8px 20px rgba(114, 8, 145, 0.05);
}

.t15-side-h {
  margin: 0 0 0.75rem;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--t15-brand);
  font-weight: 700;
}

.t15-side-blurb {
  margin: 0 0 0.85rem;
  font-size: 0.86rem;
  line-height: 1.65;
  color: var(--t15-muted);
}

.t15-side-links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.t15-side-links li { margin-bottom: 0.45rem; }
.t15-side-links li:last-child { margin-bottom: 0; }
.t15-side-links a {
  font-size: 0.88rem;
  color: var(--t15-muted);
}
.t15-side-links a:hover { color: var(--t15-brand); }

.t15-toc {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  max-height: 55vh;
  overflow-y: auto;
}

.t15-toc a {
  display: block;
  padding: 0.2rem 0 0.2rem 0.65rem;
  border-left: 2px solid var(--t15-line);
  font-size: 0.86rem;
  line-height: 1.45;
  color: var(--t15-muted);
}

.t15-toc a:hover {
  color: var(--t15-brand);
  border-left-color: var(--t15-brand);
}

.t15-toc-sub a {
  padding-left: 1.2rem;
  font-size: 0.8rem;
}

.t15-related {
  margin-top: 3rem;
}

.t15-related__head {
  margin-bottom: 1.25rem;
}

.t15-related__head h2 {
  margin: 0.35rem 0 0;
  font-size: clamp(1.25rem, 2.4vw, 1.6rem);
  color: var(--t15-text-strong);
}

.t15-hub-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.1rem;
}

.t15-hub-actions .t15-header__cta,
.t15-hub-actions .t15-hub-link {
  text-decoration: none;
}

.t15-hub-link {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 1.05rem;
  border-radius: 999px;
  border: 1px solid rgba(114, 8, 145, 0.2);
  background: rgba(255, 255, 255, 0.85);
  color: var(--t15-brand);
  font-size: 0.88rem;
  font-weight: 700;
}

.t15-hub-link:hover { background: rgba(114, 8, 145, 0.08); }

.t15-bullet-list {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
}

.t15-bullet-list li {
  position: relative;
  padding-left: 1rem;
  color: var(--t15-muted);
  line-height: 1.65;
}

.t15-bullet-list li::before {
  content: "·";
  position: absolute;
  left: 0;
  color: var(--t15-brand);
  font-weight: 700;
}

@media (max-width: 980px) {
  .t15-article-layout { grid-template-columns: minmax(0, 1fr); }
  .t15-article-side { position: static; }
}

@media (max-width: 720px) {
  .t15-article__head,
  .t15-article__body,
  .t15-article__tags,
  .t15-share,
  .t15-article__nav,
  .t15-article__foot {
    padding-left: 22px;
    padding-right: 22px;
  }

  .t15-article__head { padding-top: 22px; }
  .t15-article__foot { padding-bottom: 1.5rem; }
  .t15-article__nav { grid-template-columns: 1fr; }
  .t15-article__nav-card--next { text-align: left; }
  .t15-card-grid,
  .t15-article-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .t15-article__head,
  .t15-article__body,
  .t15-article__tags,
  .t15-share,
  .t15-article__nav,
  .t15-article__foot {
    padding-left: 16px;
    padding-right: 16px;
  }
}
