/* ─── Detail Page Styles ─────────────────────────── */

/* Detail Navigation */
.detail-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  height: 60px;
}
.detail-nav__inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 1rem;
}
.detail-nav__back {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: opacity 0.2s;
  white-space: nowrap;
}
.detail-nav__back:hover { opacity: 0.7; }
.detail-nav__title {
  flex: 1;
  text-align: center;
  font-family: 'Noto Serif SC', serif;
  font-size: 1.1rem;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Hero Image */
.detail-hero {
  position: relative;
  margin-top: 60px;
  background: #f5f5f5;
  text-align: center;
  padding: 2rem;
}
.detail-hero__badge-wrap {
  position: absolute;
  top: var(--sp-4);
  left: var(--sp-4);
  z-index: 2;
}
.detail-hero__img {
  max-width: 100%;
  max-height: 60vh;
  object-fit: contain;
  border-radius: var(--radius-card);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

/* Work Info */
.detail-info {
  padding: 3rem 0 2rem;
  text-align: center;
}
.detail-info__badge {
  display: inline-block;
  padding: 0.4rem 1.2rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  color: white;
  margin-bottom: 1rem;
}
.detail-info__badge--1 { background: #D4A843; }
.detail-info__badge--2 { background: #8C9BAE; }
.detail-info__badge--3 { background: #B87333; }
.detail-info__badge--4 { background: #6B7280; }
.detail-info__title {
  font-family: 'Noto Serif SC', serif;
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}
.detail-info__authors {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}
.detail-info__desc {
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.8;
  color: var(--text-primary);
  font-size: 1.05rem;
}

/* Section */
.detail-section {
  padding: 3rem 0;
  border-top: 1px solid #eee;
}
.detail-section__title {
  font-family: 'Noto Serif SC', serif;
  font-size: 1.8rem;
  color: var(--primary);
  margin-bottom: 2rem;
  text-align: center;
}

/* Video */
.detail-video {
  max-width: 800px;
  margin: 0 auto;
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
  background: #000;
}
.detail-video video {
  width: 100%;
  display: block;
  outline: none;
}
.detail-video:hover {
  box-shadow: var(--shadow-xl);
}

/* Emoji Grid */
.detail-emoji-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  max-width: 900px;
  margin: 0 auto;
}
.detail-emoji-item {
  border-radius: var(--radius-card);
  overflow: hidden;
  background: #f9f9f9;
  cursor: pointer;
  position: relative;
  transition: transform 0.4s var(--ease-spring), box-shadow 0.4s var(--ease-out);
}
.detail-emoji-item:hover {
  transform: scale(1.08);
  box-shadow: var(--shadow-lg);
}

.detail-emoji-item::after {
  content: attr(data-name);
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0,0,0,.7);
  color: white;
  font-size: 0.8rem;
  text-align: center;
  padding: 6px 8px;
  border-radius: 0 0 12px 12px;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.3s, transform 0.3s;
  pointer-events: none;
}

.detail-emoji-item:hover::after {
  opacity: 1;
  transform: translateY(0);
}
.detail-emoji-item img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
}

/* Gallery */
.detail-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.5rem;
  max-width: 900px;
  margin: 0 auto;
}
.detail-gallery img {
  width: 100%;
  border-radius: var(--radius-card);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  cursor: pointer;
  transition: transform 0.4s var(--ease-spring), box-shadow 0.4s var(--ease-out);
}
.detail-gallery img:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow-lg);
}

/* Bottom Navigation */
.detail-nav-bottom {
  padding: 2rem 0;
  border-top: 1px solid #eee;
  background: #fafafa;
}
.detail-nav-bottom__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.detail-nav-bottom__link {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  padding: 0.8rem 1.5rem;
  border-radius: var(--radius-card);
  transition: background 0.2s, color 0.2s;
}
.detail-nav-bottom__link:hover {
  background: var(--primary);
  color: white;
}
.detail-nav-bottom__home {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  color: var(--primaryLight);
  font-weight: 600;
  padding: var(--sp-3) var(--sp-5);
  border: 2px solid var(--primaryLight);
  border-radius: var(--radius-full);
  transition: all var(--duration) var(--ease-out);
  text-decoration: none;
}
.detail-nav-bottom__home:hover {
  background: var(--primaryLight);
  color: var(--white);
}

/* Responsive */
@media (max-width: 768px) {
  .detail-info__title { font-size: 1.8rem; }
  .detail-emoji-grid { grid-template-columns: repeat(3, 1fr); }
  .detail-nav__title { display: none; }
  .detail-nav-bottom__inner { flex-direction: column; }
  .detail-hero { padding: 1rem; }
  .detail-section { padding: 2rem 0; }
}
@media (max-width: 480px) {
  .detail-emoji-grid { grid-template-columns: repeat(2, 1fr); }
  .detail-gallery { grid-template-columns: 1fr; }
}