/* ===================================
   Archive Page Styles
   =================================== */

/* ---------- Archive Header ---------- */
.archive-header {
  padding: 120px 0 2rem;
  max-width: 900px;
  margin: 0 auto;
}

.archive-breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.archive-breadcrumb a {
  color: var(--accent);
  transition: var(--transition);
}

.archive-breadcrumb a:hover {
  color: var(--text-primary);
}

.archive-breadcrumb .current {
  color: var(--text-primary);
}

.archive-title {
  font-size: 2.5rem;
  font-weight: 900;
  margin-bottom: 0.75rem;
}

.archive-title .title-prefix {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 400;
  display: block;
  margin-bottom: 4px;
}

.archive-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.archive-desc strong {
  color: var(--accent);
  font-family: var(--font-mono);
}

/* ---------- Filters ---------- */
.archive-filters {
  max-width: 900px;
  margin: 2rem auto 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  flex-wrap: wrap;
}

.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  flex: 1;
}

.filter-tab {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 8px 18px;
  border-radius: 50px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.filter-tab:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.filter-tab.active {
  background: rgba(0, 229, 255, 0.1);
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 15px var(--accent-glow);
}

.sort-select {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 8px 16px;
  border-radius: 50px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  cursor: pointer;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2300e5ff' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  transition: var(--transition);
}

.sort-select:hover,
.sort-select:focus {
  border-color: var(--accent);
}

/* ---------- Archive List ---------- */
.archive-list {
  max-width: 900px;
  margin: 0 auto;
}

/* Year Group */
.archive-year-group {
  margin-bottom: 3rem;
}

.year-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  position: sticky;
  top: 72px;
  background: var(--bg-deep);
  padding: 0.75rem 0;
  z-index: 10;
}

.year-num {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.year-count {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.year-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--border-glow), transparent);
}

/* Archive Item */
.year-articles {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.archive-item {
  display: flex;
  gap: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: all var(--transition);
}

.archive-item:hover {
  border-color: var(--border-glow);
  background: var(--bg-card-hover);
  transform: translateX(4px);
  box-shadow: var(--shadow-glow);
}

.archive-item-image {
  width: 160px;
  flex-shrink: 0;
  border-radius: 8px;
  overflow: hidden;
}

.archive-img-placeholder {
  width: 100%;
  height: 100%;
  min-height: 100px;
  border-radius: 8px;
}

.archive-item-body {
  flex: 1;
  min-width: 0;
}

.archive-item-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}

.archive-date {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
}

.archive-cat {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  padding: 2px 10px;
  border: 1px solid var(--border-subtle);
  border-radius: 50px;
}

.archive-read {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-left: auto;
}

.archive-item-body h3 {
  font-size: 1.08rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  line-height: 1.45;
}

.archive-item-body h3 a {
  transition: var(--transition);
}

.archive-item-body h3 a:hover {
  color: var(--accent);
}

.archive-item-body p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 0.75rem;
}

.archive-item-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

/* ---------- Pagination ---------- */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  padding: 3rem 0 2rem;
  max-width: 900px;
  margin: 0 auto;
}

.page-btn {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  padding: 8px 18px;
  border-radius: 50px;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  transition: var(--transition);
}

.page-btn:hover:not(.disabled) {
  border-color: var(--accent);
  color: var(--accent);
}

.page-btn.disabled {
  opacity: 0.3;
  pointer-events: none;
}

.page-num {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  transition: var(--transition);
}

.page-num:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.page-num.active {
  background: var(--gradient-1);
  border-color: transparent;
  color: #000;
  font-weight: 700;
}

.page-ellipsis {
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* ---------- Filter animation ---------- */
.archive-item {
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.archive-item.filtered-out {
  opacity: 0;
  transform: translateY(10px);
  max-height: 0;
  padding: 0 1.25rem;
  margin: 0;
  border-width: 0;
  overflow: hidden;
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .archive-title {
    font-size: 1.8rem;
  }

  .archive-item {
    flex-direction: column;
  }

  .archive-item-image {
    width: 100%;
    height: 160px;
  }

  .archive-read {
    margin-left: 0;
  }

  .archive-filters {
    flex-direction: column;
  }

  .filter-tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 0.5rem;
  }

  .filter-tab {
    flex-shrink: 0;
  }
}