/* ============================================================
   eSIM Theme — 目的地页面样式(总览页 /destinations + 落地页 /esim-xx)
   ============================================================ */

/* ---------- 页首横幅 ---------- */
.tax-hero {
  background: linear-gradient(180deg, var(--primary-light) 0%, #fff 100%);
  padding: 32px 0 28px;
}
.breadcrumb { font-size: 13px; color: var(--muted); margin-bottom: 12px; }
.breadcrumb a:hover { color: var(--primary); }
.tax-title { font-size: 28px; margin: 0 0 8px; }
.tax-desc { margin: 0; color: var(--muted); font-size: 14px; max-width: 720px; }
.tax-en { margin-left: 8px; font-size: 12px; color: #9AA5B1; }

/* ---------- 落地页:多国搜索框 ---------- */
.tax-search { margin-top: 18px; max-width: 640px; }
.tax-search-label {
  display: block; font-size: 12px; font-weight: 700; color: var(--muted);
  letter-spacing: .06em; margin-bottom: 6px;
}

/* ---------- 筛选布局:左侧栏 + 主区 ---------- */
.filter-layout { display: grid; grid-template-columns: 1fr; gap: 18px; }
.filter-sidebar { padding: 18px; align-self: start; }
.filter-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 6px; }
.filter-head h2 { font-size: 16px; margin: 0; }
.filter-clear {
  background: none; border: none; cursor: pointer;
  font-size: 13px; color: var(--primary); font-weight: 600;
}
.filter-group { padding: 12px 0; border-top: 1px solid var(--surface); }
.filter-group:first-of-type { border-top: none; }
.filter-group h3 { font-size: 13px; color: var(--muted); margin: 0 0 10px; font-weight: 700; }
.filter-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.pill {
  padding: 7px 14px; font-size: 13px; font-weight: 600;
  background: #fff; color: var(--text);
  border: 1px solid var(--border); border-radius: 999px; cursor: pointer;
  transition: .15s;
}
.pill:hover { border-color: var(--primary); color: var(--primary); }
.pill.active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* 结果条:计数与侧栏左缘对齐,排序靠右(全宽行,位于筛选布局上方) */
.results-bar {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  margin-bottom: 18px; min-height: 40px;
}
.sort-count { font-size: 14px; color: var(--muted); }
.sort-count strong { color: var(--text); font-size: 18px; }
.sort-spacer { flex: 1; }
.sort-field { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); }
.sort-field select {
  padding: 8px 12px; font-size: 13px; color: var(--text);
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-sm); cursor: pointer;
}
.filter-toggle { padding: 8px 16px; font-size: 13px; }

/* 加载态 + 空态 */
#esim-grid.is-loading { opacity: .45; pointer-events: none; transition: opacity .15s; }
.filter-empty { padding: 48px 24px; text-align: center; }
.filter-empty p { margin: 0 0 18px; font-size: 15px; }

/* 移动端:侧栏默认隐藏,☰ 筛选按钮展开(filters-open 挂在 data-esim-filter 容器上) */
.filter-sidebar { display: none; }
.filters-open .filter-sidebar { display: block; }

/* ---------- 落地页:筛选排序工具栏(旧版,保留兼容) ---------- */
.plans-toolbar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px;
  padding: 14px 18px; margin-bottom: 20px;
}
.toolbar-field { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); }
.toolbar-field select {
  padding: 7px 10px; font-size: 13px; color: var(--text);
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-sm); cursor: pointer;
}
.toolbar-field select:focus { outline: 2px solid var(--primary-light); border-color: var(--primary); }
.toolbar-count { margin-left: auto; font-size: 13px; color: var(--muted); white-space: nowrap; }

.tax-empty { padding: 48px 24px; text-align: center; }
.tax-empty p { margin: 0 0 18px; font-size: 16px; }

/* ---------- 总览页:区域入口 ---------- */
.region-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.region-card {
  display: flex; align-items: center; gap: 12px; padding: 16px 18px;
  transition: transform .18s, box-shadow .18s, border-color .18s;
}
.region-card:hover {
  transform: translateY(-2px); border-color: var(--primary);
  box-shadow: 0 10px 24px rgba(15, 23, 42, .1);
}
.region-flag { font-size: 26px; }
.region-name { font-size: 15px; font-weight: 600; }

/* ---------- 总览页:A-Z 索引 ---------- */
.az-nav {
  position: sticky; top: var(--header-h); z-index: 10;
  display: flex; flex-wrap: wrap; gap: 4px; justify-content: center;
  padding: 10px 8px; margin-bottom: 24px;
  background: rgba(255, 255, 255, .96); backdrop-filter: blur(4px);
  border: 1px solid var(--border); border-radius: 999px;
}
.az-nav a {
  display: flex; align-items: center; justify-content: center;
  min-width: 30px; height: 30px; padding: 0 6px;
  font-size: 13px; font-weight: 700; color: var(--muted);
  border-radius: 999px;
}
.az-nav a:hover { background: var(--primary); color: #fff; }

.az-section { margin-bottom: 8px; }
.az-letter {
  font-size: 20px; color: var(--primary);
  border-bottom: 2px solid var(--primary-light);
  padding-bottom: 6px; margin: 18px 0 14px;
  scroll-margin-top: calc(var(--header-h) + 56px);
}
.az-section[id] { scroll-margin-top: calc(var(--header-h) + 56px); }

.az-grid { display: grid; grid-template-columns: 1fr; gap: 4px; }
.az-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: var(--radius-sm); font-size: 14px;
}
.az-item:hover { background: var(--primary-light); color: var(--primary); }
.az-flag { font-size: 20px; }
.az-name { font-weight: 500; }
.az-en { margin-left: auto; font-size: 12px; color: #9AA5B1; }

/* ---------- 平板 ≥ 600px ---------- */
@media (min-width: 600px) {
  .region-grid { grid-template-columns: repeat(4, 1fr); }
  .az-grid { grid-template-columns: repeat(2, 1fr); }
  .az-en { display: inline; }
}

/* ---------- 桌面端 ≥ 992px ---------- */
@media (min-width: 992px) {
  .tax-hero { padding: 48px 0 40px; }
  .tax-title { font-size: 38px; }
  .tax-desc { font-size: 15px; }
  .region-grid { grid-template-columns: repeat(7, 1fr); }
  .region-card { flex-direction: column; text-align: center; gap: 8px; padding: 20px 12px; }
  .region-flag { font-size: 32px; }
  .region-name { font-size: 14px; }
  .az-grid { grid-template-columns: repeat(4, 1fr); }

  /* 筛选:左侧栏常驻 + 两栏布局 */
  .filter-layout { grid-template-columns: 260px 1fr; gap: 24px; }
  .filter-sidebar { display: block; position: sticky; top: calc(var(--header-h) + 16px); }
  .filter-toggle { display: none; }
  .filter-main .plans-grid { grid-template-columns: repeat(3, 1fr); }
}