/* ============================================================
   HueCub Discover Page — Masonry / Waterfall Layout
   Colors: ink forest #0C2418, sage #6B8F71, red #DC2626, bg #FDFDFC
   ============================================================ */

/* ---------- Page Layout ---------- */
.discover-main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px 80px;
}

/* ---------- Page Header ---------- */
.discover-header {
  padding: 48px 0 28px;
  text-align: center;
}

.discover-title {
  font-family: 'Noto Serif SC', serif;
  font-size: 2rem;
  font-weight: 600;
  color: #0C2418;
  margin: 0 0 8px;
  letter-spacing: 0.05em;
}

.discover-subtitle {
  font-size: 0.9rem;
  color: #6B8F71;
  margin: 0;
}

/* ---------- Filter + Sort Bar ---------- */
.filter-bar-wrap {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(253, 253, 252, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid #D1DDD3;
  margin: 0 -24px;
  padding: 0 24px;
}

.filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 12px 0;
}

.filter-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  flex: 1;
  min-width: 0;
}

.filter-tabs::-webkit-scrollbar {
  display: none;
}

.filter-tab {
  flex-shrink: 0;
  padding: 6px 16px;
  border-radius: 9999px;
  border: 1px solid #D1DDD3;
  background: transparent;
  color: #0C2418;
  font-size: 0.85rem;
  font-family: 'Noto Sans SC', sans-serif;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.18s, color 0.18s, border-color 0.18s;
}

.filter-tab:hover {
  border-color: #6B8F71;
  color: #6B8F71;
}

.filter-tab.active {
  background: #0C2418;
  border-color: #0C2418;
  color: #FDFDFC;
}

/* ---------- Sort Dropdown ---------- */
.sort-wrap {
  flex-shrink: 0;
}

.sort-select {
  appearance: none;
  -webkit-appearance: none;
  padding: 6px 32px 6px 12px;
  border: 1px solid #D1DDD3;
  border-radius: 6px;
  background: #FDFDFC url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%236B8F71'/%3E%3C/svg%3E") no-repeat right 10px center;
  color: #0C2418;
  font-size: 0.85rem;
  font-family: 'Noto Sans SC', sans-serif;
  cursor: pointer;
  transition: border-color 0.18s;
}

.sort-select:focus {
  outline: none;
  border-color: #6B8F71;
}

/* ---------- Masonry Grid ---------- */
.masonry-grid {
  column-count: 4;
  column-gap: 16px;
  margin-top: 28px;
}

/* ---------- Art Cards ---------- */
.art-card {
  break-inside: avoid;
  -webkit-column-break-inside: avoid;
  page-break-inside: avoid;
  background: #FFFFFF;
  border: 1px solid #D1DDD3;
  border-radius: 8px;
  margin-bottom: 16px;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  cursor: pointer;
}

.art-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(12, 36, 24, 0.12);
}

/* ---------- Card Cover (aspect-ratio variants) ---------- */
.card-cover {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.card-cover.tall-23 {
  aspect-ratio: 2 / 3;
}

.card-cover.sq {
  aspect-ratio: 1 / 1;
}

.card-cover.wide-43 {
  aspect-ratio: 4 / 3;
}

.card-cover.tall-34 {
  aspect-ratio: 3 / 4;
}

.cover-emoji {
  font-size: 3.2rem;
  user-select: none;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.18));
}

/* ---------- Card Body ---------- */
.card-body {
  padding: 12px 14px 14px;
}

.card-title {
  font-family: 'Noto Sans SC', sans-serif;
  font-size: 0.95rem;
  font-weight: 500;
  color: #0C2418;
  margin: 0 0 4px;
  line-height: 1.4;
}

.card-artist {
  display: inline-block;
  font-size: 0.8rem;
  color: #6B8F71;
  text-decoration: none;
  margin-bottom: 8px;
  transition: color 0.15s;
}

.card-artist:hover {
  color: #0C2418;
  text-decoration: underline;
}

/* ---------- Tags ---------- */
.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 10px;
}

.tag {
  display: inline-block;
  padding: 2px 8px;
  background: rgba(107, 143, 113, 0.1);
  color: #6B8F71;
  border-radius: 9999px;
  font-size: 0.72rem;
  font-family: 'Noto Sans SC', sans-serif;
  white-space: nowrap;
}

/* ---------- Like / Remix Counts ---------- */
.card-meta {
  display: flex;
  gap: 12px;
}

.meta-item {
  font-size: 0.78rem;
  color: #8A9E8E;
  display: flex;
  align-items: center;
  gap: 3px;
}

/* ---------- Load More ---------- */
.load-more-wrap {
  display: flex;
  justify-content: center;
  margin-top: 40px;
}

.load-more-btn {
  padding: 10px 40px;
  border: 1.5px solid #0C2418;
  border-radius: 6px;
  background: transparent;
  color: #0C2418;
  font-size: 0.9rem;
  font-family: 'Noto Sans SC', sans-serif;
  cursor: pointer;
  letter-spacing: 0.04em;
  transition: background 0.18s, color 0.18s;
}

.load-more-btn:hover {
  background: #0C2418;
  color: #FDFDFC;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .masonry-grid {
    column-count: 3;
  }

  .discover-title {
    font-size: 1.6rem;
  }
}

@media (max-width: 600px) {
  .discover-main {
    padding: 0 12px 60px;
  }

  .filter-bar-wrap {
    margin: 0 -12px;
    padding: 0 12px;
  }

  .masonry-grid {
    column-count: 2;
    column-gap: 10px;
  }

  .art-card {
    margin-bottom: 10px;
  }

  .discover-header {
    padding: 32px 0 20px;
  }

  .discover-title {
    font-size: 1.4rem;
  }

  .cover-emoji {
    font-size: 2.4rem;
  }

  .card-body {
    padding: 10px 10px 12px;
  }

  .card-title {
    font-size: 0.85rem;
  }

  .filter-tab {
    font-size: 0.78rem;
    padding: 5px 12px;
  }

  .sort-select {
    font-size: 0.78rem;
    padding: 5px 28px 5px 10px;
  }
}