/* ============================================================
   Archives Center (檔案中心) 樣式
   整合全站 Design Tokens (basic-style.css)
   深科技藍主題 (#0c2340 / #1d8fe0)
   ============================================================ */

.archives-title {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 0.5rem;
}

.archives-title-extra {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ── 手機端分類下拉選單 ─────────────────────────────────────── */
.set-category-select {
  position: relative;
  display: none;
  width: 100%;
}

.set-category-select::after {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  border-bottom: 2px solid var(--color-primary);
  border-right: 2px solid var(--color-primary);
  top: 48%;
  transform: translateY(-50%) rotate(45deg);
  right: 1.25rem;
  pointer-events: none;
  transition: transform var(--transition-base), border-color var(--transition-base);
}

.set-category-select.is-open::after {
  transform: translateY(-25%) rotate(-135deg);
  border-color: var(--color-accent);
}

.category-select-input {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  padding: 0.6rem 2.5rem 0.6rem 1.25rem;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  background-color: var(--color-bg);
  color: var(--color-primary);
  font-size: 1rem;
  font-weight: 600;
  width: 100%;
  cursor: pointer;
  transition: var(--transition-base);
  box-shadow: 0 2px 6px rgba(12, 35, 64, 0.04);
}

.category-select-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(29, 143, 224, 0.15);
}

.category-select-list {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  max-height: 14rem;
  overflow-y: auto;
  display: none;
  z-index: 1000;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  list-style: none;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-size: 0.95rem;
  width: 100%;
  box-shadow: 0 8px 24px rgba(12, 35, 64, 0.12);
  padding: 0.5rem 0;
  margin: 0;
}

.category-select-list.is-open {
  display: block;
}

.category-select-list li {
  padding: 0.6rem 1.25rem;
  line-height: 1.5;
  cursor: pointer;
  transition: background-color 0.2s;
}

.category-select-list li:hover {
  background-color: var(--color-bg-soft);
  color: var(--color-accent-dark);
}

.category-select-list li.active {
  background-color: rgba(29, 143, 224, 0.1);
  color: var(--color-accent-dark);
  font-weight: 600;
}

/* ── 排序下拉選單 ─────────────────────────────────────────── */
/* ── 排序下拉選單 (Custom Dropdown) ────────────────────────── */
.set-order-select {
  position: relative;
  display: inline-block;
  user-select: none;
}

.order-select-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.6rem 1.15rem;
  min-width: 9.5rem;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  background-color: var(--color-bg);
  color: var(--color-text);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-base);
  box-shadow: 0 2px 6px rgba(12, 35, 64, 0.04);
}

.order-select-trigger:hover {
  border-color: var(--color-accent-light);
  box-shadow: 0 4px 12px rgba(29, 143, 224, 0.12);
  transform: translateY(-1px);
}

.set-order-select.is-open .order-select-trigger {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(29, 143, 224, 0.15);
  transform: translateY(-1px);
}

.order-select-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #64748b;
  transition: transform var(--transition-base), color var(--transition-base);
  flex-shrink: 0;
}

.set-order-select:hover .order-select-arrow {
  color: var(--color-accent-dark);
}

.set-order-select.is-open .order-select-arrow {
  transform: rotate(180deg);
  color: var(--color-accent);
}

/* 下拉面板 */
.order-select-list {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  width: 100%;
  min-width: 9.5rem;
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  list-style: none;
  padding: 0.35rem 0;
  margin: 0;
  z-index: 1000;
  box-shadow: 0 10px 25px rgba(12, 35, 64, 0.12);
  display: none;
}

.set-order-select.is-open .order-select-list {
  display: block;
}

.order-select-list li {
  display: block;
  padding: 0.65rem 1.15rem;
  font-size: 0.95rem;
  color: var(--color-text);
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}

.order-select-list li:hover {
  background-color: var(--color-bg-soft);
  color: var(--color-accent-dark);
}

.order-select-list li.active {
  background-color: rgba(29, 143, 224, 0.08);
  color: var(--color-accent-dark);
  font-weight: 600;
}

/* ── 搜尋框 ───────────────────────────────────────────────── */
.set-search-input {
  position: relative;
  display: inline-block;
}

.set-search-input input {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  padding: 0.6rem 2.75rem 0.6rem 1.25rem;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  background-color: var(--color-bg);
  color: var(--color-text);
  font-size: 0.95rem;
  width: 16rem;
  transition: var(--transition-base);
  box-shadow: 0 2px 6px rgba(12, 35, 64, 0.04);
}

.set-search-input input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(29, 143, 224, 0.15);
}

.set-search-input .search-icon {
  position: absolute;
  right: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #64748b;
  pointer-events: none;
  z-index: 4;
  transition: opacity 0.2s;
}

.set-search-input .search-icon.is-hidden {
  display: none;
}

.set-search-input .search-clear-btn {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 50%;
  border: none;
  background-color: #e2e8f0;
  color: #64748b;
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  z-index: 5;
  transition: all 0.2s ease;
}

.set-search-input .search-clear-btn.is-active {
  display: flex;
}

.set-search-input .search-clear-btn:hover {
  background-color: #cbd5e1;
  color: var(--color-primary);
  transform: translateY(-50%) scale(1.08);
}

/* ── 總數統計 ─────────────────────────────────────────────── */
.archives-total {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  margin-top: 1.25rem;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
}

.archives-total .total {
  color: var(--color-accent-dark);
  font-weight: 700;
  font-size: 1.15rem;
  padding: 0 0.35rem;
}

/* ── Swiper 分類卡片 ───────────────────────────────────────── */
.archives-swipers {
  position: relative;
  width: 100%;
  margin-bottom: 2.25rem;
}

.archives-swipers .mySwiper {
  padding-top: 6px;
  padding-bottom: 10px;
  margin-top: -6px;
  margin-bottom: -10px;
}

.swiper-slide {
  width: auto;
}

.archives-swiper {
  padding: 1rem 1.75rem;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  background-color: var(--color-bg);
  color: var(--color-text);
  cursor: pointer;
  transition: var(--transition-base);
  box-shadow: 0 2px 6px rgba(12, 35, 64, 0.04);
  user-select: none;
  will-change: transform, box-shadow;
  backface-visibility: hidden;
}

.archives-swiper-title {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.5;
  text-align: center;
  color: var(--color-primary);
  transition: color var(--transition-base);
}

.archives-swiper-subtitle {
  font-size: 0.85rem;
  line-height: 1.4;
  margin-top: 0.35rem;
  text-align: center;
  color: var(--color-text-muted);
  transition: color var(--transition-base);
}

.archives-swiper:hover:not(.current) {
  border-color: var(--color-accent-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(29, 143, 224, 0.12);
}

.archives-swiper:hover:not(.current) .archives-swiper-title {
  color: var(--color-accent-dark);
}

.swiper-wrapper .current {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-color: var(--color-primary);
  box-shadow: 0 6px 18px rgba(12, 35, 64, 0.22);
}

.swiper-wrapper .current .archives-swiper-title,
.swiper-wrapper .current .archives-swiper-subtitle {
  color: #ffffff;
}

/* ── Swiper 切換箭頭 ───────────────────────────────────────── */
.archives-button-next,
.archives-button-prev {
  width: 2.25rem;
  height: 2.25rem;
  cursor: pointer;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 25;
  background-color: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(12, 35, 64, 0.25);
  transition: var(--transition-base);
  pointer-events: auto;
  opacity: 0.95;
}

.archives-button-prev {
  left: -1.15rem;
}

.archives-button-next {
  right: -1.15rem;
}

.archives-button-disabled {
  display: none !important;
}

.archives-arrow-l,
.archives-arrow-r {
  width: 1rem;
  height: 1rem;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.archives-arrow-l span,
.archives-arrow-r span {
  display: none;
}

.archives-arrow-l::before,
.archives-arrow-r::before {
  content: '';
  display: block;
  width: 7px;
  height: 7px;
  border-top: 2px solid #ffffff;
  border-right: 2px solid #ffffff;
}

.archives-arrow-l::before {
  transform: rotate(-135deg);
  margin-left: 2px;
}

.archives-arrow-r::before {
  transform: rotate(45deg);
  margin-right: 2px;
}

.archives-button-next:hover,
.archives-button-prev:hover {
  opacity: 1;
  background-color: var(--color-accent-dark);
  transform: translateY(-50%) scale(1.08);
}

/* ── 檔案清單項目 ─────────────────────────────────────────── */
.archives-item {
  display: block;
  width: 100%;
}

.archives-empty-message {
  text-align: center;
  color: var(--color-text-muted);
  padding: 3.5rem 0;
  font-size: 1.125rem;
}

.archives-list {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  margin-bottom: 0.85rem;
  padding: 1.15rem 1.5rem;
  transition: var(--transition-base);
  box-shadow: 0 2px 6px rgba(12, 35, 64, 0.03);
  position: relative;
}

.archives-list:hover {
  border-color: var(--color-accent-light);
  box-shadow: 0 6px 18px rgba(29, 143, 224, 0.12);
  transform: translateY(-2px);
}

.archives-list-content {
  display: flex;
  flex-direction: column;
  flex: 1;
  text-decoration: none;
  padding-right: 1.5rem;
}

.archives-list-pdf-title {
  color: var(--color-primary);
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: 0.02rem;
  word-break: break-word;
  transition: color var(--transition-base);
}

.archives-list:hover .archives-list-pdf-title {
  color: var(--color-accent-dark);
}

.archives-info {
  display: flex;
  flex-direction: row;
  align-items: center;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  margin-top: 0.5rem;
  gap: 1.25rem;
}

.archives-date {
  letter-spacing: 0.05rem;
}

.archives-size {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.35rem;
}

.archives-size img {
  width: 20px;
  height: 20px;
}

/* ── 下載按鈕 ─────────────────────────────────────────────── */
.archives-download {
  flex-shrink: 0;
}

.archives-download .archives-download-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: var(--color-accent-dark);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.5rem 1.15rem;
  border-radius: 6px;
  background-color: rgba(29, 143, 224, 0.08);
  border: 1px solid rgba(29, 143, 224, 0.2);
  text-decoration: none;
  transition: var(--transition-base);
}

.archives-download-icon {
  width: 0.95rem;
  height: 0.95rem;
  stroke: currentColor;
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

.archives-list:hover .archives-download-link {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: #ffffff;
  box-shadow: 0 4px 10px rgba(13, 111, 187, 0.25);
}

.archives-list:hover .archives-download-icon {
  transform: translateY(2px);
}

/* ── 骨架屏載入動效 (Skeleton Loading) ─────────────────────── */
@keyframes archives-shimmer {
  0% {
    background-position: 200% 0;
  }

  100% {
    background-position: -200% 0;
  }
}

.archives-skeleton-card {
  pointer-events: none;
  user-select: none;
  cursor: default;
}

.archives-skeleton-card:hover {
  border-color: var(--color-border);
  box-shadow: 0 2px 6px rgba(12, 35, 64, 0.03);
  transform: none;
}

.archives-skeleton-item {
  background: linear-gradient(90deg, #f1f5f9 25%, #e2e8f0 37%, #f1f5f9 63%);
  background-size: 300% 100%;
  animation: archives-shimmer 1.4s ease-in-out infinite;
  border-radius: 4px;
}

.archives-skeleton-title {
  width: 65%;
  height: 1.25rem;
  margin-bottom: 0.25rem;
}

.archives-skeleton-card:nth-child(even) .archives-skeleton-title {
  width: 45%;
}

.archives-skeleton-card:nth-child(3n) .archives-skeleton-title {
  width: 78%;
}

.archives-skeleton-card:nth-child(4n) .archives-skeleton-title {
  width: 58%;
}

.archives-skeleton-date {
  width: 5.5rem;
  height: 0.95rem;
}

.archives-skeleton-size {
  width: 3.5rem;
  height: 0.95rem;
}

.archives-skeleton-btn {
  width: 5.5rem;
  height: 2.25rem;
  border-radius: 6px;
}

/* ── 手機響應式適配 ────────────────────────────────────────── */
@media (max-width: 768px) {
  .archives-title {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .archives-title-extra {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }

  .set-category-select {
    display: block;
  }

  .set-order-select,
  .set-search-input {
    width: 100%;
  }

  .set-order-select .set-order-select-btn,
  .order-select-trigger,
  .set-search-input input {
    width: 100%;
  }

  .archives-swipers {
    display: none;
  }

  .archives-list {
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem;
    gap: 0.75rem;
  }

  .archives-list-content {
    padding-right: 0;
    width: 100%;
  }

  .archives-list-pdf-title {
    font-size: 1rem;
  }

  .archives-download {
    width: 100%;
  }

  .archives-download .archives-download-link {
    width: 100%;
    padding: 0.6rem;
  }

  .archives-skeleton-btn {
    width: 100%;
    height: 2.25rem;
  }
}