/* ========================================================
   components.css — 站点列表、首页、关于页组件
   ======================================================== */

/* ── 英雄区 ── */
.hero { text-align: center; margin-bottom: 40px; }
.hero-title {
  font-size: clamp(2rem, 5vw, 3.4rem); font-weight: 700;
  line-height: 1.3; letter-spacing: -0.01em; margin-bottom: 16px;
}
.hero-title em { font-style: normal; color: var(--gold-light); }
.hero-sub {
  font-size: 15px; color: var(--sea-pale);
  max-width: 520px; margin: 0 auto 32px; line-height: 1.8;
}

/* ── 搜索面板 ── */
.search-panel { max-width: 640px; margin: 0 auto; }
.search-row { display: flex; gap: 10px; align-items: stretch; }
.search-input-wrap { flex: 1; position: relative; }
.search-input {
  width: 100%; height: 52px;
  background: var(--white-dim2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 0 16px;
  color: var(--white); font-family: var(--font-serif); font-size: 15px;
  outline: none; transition: border-color .2s; backdrop-filter: blur(8px);
}
.search-input::placeholder { color: var(--sea-pale); }
.search-input:focus { border-color: var(--sea-foam); }

/* 自动补全 */
.autocomplete-list {
  position: absolute; top: calc(100% + 4px); left: 0; right: 0;
  background: var(--glass2); border: 1px solid var(--border);
  border-radius: var(--radius); backdrop-filter: blur(20px);
  z-index: 50; overflow: hidden; display: none;
}
.autocomplete-list.open { display: block; }
.autocomplete-item {
  padding: 12px 16px; cursor: pointer; font-size: 14px;
  transition: background .15s; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 8px;
}
.autocomplete-item:last-child { border-bottom: none; }
.autocomplete-item:hover { background: var(--white-dim2); }
.item-id { font-family: var(--font-mono); font-size: 11px; color: var(--sea-foam); }
.item-province { font-size: 11px; color: var(--sea-pale); margin-left: auto; }

.btn-search, .btn-locate {
  height: 52px; border: none; border-radius: var(--radius);
  cursor: pointer; font-family: var(--font-serif); font-size: 15px; font-weight: 600;
  transition: transform .15s, opacity .15s; white-space: nowrap;
}
.btn-search {
  padding: 0 28px;
  background: linear-gradient(135deg, var(--sea-light), var(--sea-foam));
  color: var(--white);
}
.btn-locate {
  padding: 0 20px; background: var(--white-dim2); color: var(--sea-foam);
  border: 1px solid var(--border); display: flex; align-items: center; gap: 8px;
  backdrop-filter: blur(8px);
}
.btn-search:hover, .btn-locate:hover { opacity: .88; transform: translateY(-1px); }
.locate-status { margin-top: 10px; font-size: 13px; color: var(--sea-pale); text-align: center; min-height: 20px; }

/* ── 定位后展示最近站点卡片 ── */
.nearest-card {
  max-width: 640px; margin: 24px auto 0;
  background: var(--glass); border: 1px solid var(--sea-foam);
  border-radius: var(--radius-lg); padding: 20px 24px;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px;
}
.nearest-info h3 { font-size: 18px; color: var(--sea-foam); margin-bottom: 4px; }
.nearest-info p  { font-size: 13px; color: var(--sea-pale); }
.btn-goto {
  padding: 10px 24px; border-radius: 999px; border: none;
  background: var(--sea-foam); color: var(--ink);
  font-family: var(--font-serif); font-weight: 700; font-size: 14px;
  cursor: pointer; text-decoration: none; display: inline-block;
  transition: opacity .2s;
}
.btn-goto:hover { opacity: .88; }

/* ── 省份筛选 ── */
.province-filter { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.filter-chip {
  padding: 6px 16px; border: 1px solid var(--border); border-radius: 999px;
  background: var(--white-dim); color: var(--sea-pale); font-size: 13px;
  cursor: pointer; font-family: var(--font-serif); transition: background .2s, color .2s;
}
.filter-chip.active {
  background: var(--sea-foam); color: var(--ink); border-color: var(--sea-foam); font-weight: 700;
}
.filter-chip:hover:not(.active) { background: var(--white-dim2); color: var(--white); }

/* ── 站点卡片网格 ── */
.stations-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 16px;
}
.station-card {
  background: var(--glass); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 20px;
  text-decoration: none; color: inherit;
  transition: transform .2s, box-shadow .2s, border-color .2s;
  backdrop-filter: blur(12px); display: block;
}
.station-card:hover {
  transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,.3);
  border-color: var(--sea-foam);
}
.station-card-name { font-size: 17px; font-weight: 600; margin-bottom: 6px; }
.station-card-id { font-family: var(--font-mono); font-size: 11px; color: var(--sea-foam); margin-bottom: 8px; }
.station-card-meta { font-size: 12px; color: var(--sea-pale); }
.station-card-province {
  display: inline-block; padding: 2px 10px; background: var(--white-dim);
  border-radius: 999px; font-size: 11px; color: var(--sea-pale); margin-top: 10px;
}

/* ── 空状态 ── */
.empty-state { text-align: center; padding: 60px 20px; color: var(--sea-pale); }
.empty-state .empty-icon { font-size: 48px; margin-bottom: 16px; }

/* ── 关于页 ── */
.about-section { max-width: 720px; margin: 0 auto; }
.about-block {
  background: var(--glass); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px 32px;
  backdrop-filter: blur(12px); margin-bottom: 20px;
}
.about-block h3 { font-size: 18px; color: var(--sea-foam); margin-bottom: 14px; }
.about-block p { font-size: 14px; color: var(--sea-pale); line-height: 1.9; margin-bottom: 10px; }
.about-block ul { list-style: none; margin-top: 10px; }
.about-block ul li {
  font-size: 14px; color: var(--sea-pale); padding: 4px 0 4px 18px;
  position: relative; line-height: 1.7;
}
.about-block ul li::before { content: '▸'; position: absolute; left: 0; color: var(--sea-foam); }
.code-block {
  background: var(--ink); border-radius: var(--radius);
  padding: 14px 18px; font-family: var(--font-mono);
  font-size: 12px; color: var(--gold-light); margin-top: 14px;
  overflow-x: auto; white-space: pre;
}

/* ── 页面标题 ── */
.page-heading { font-size: 2rem; font-weight: 700; margin-bottom: 8px; }
.page-sub { font-size: 14px; color: var(--sea-pale); margin-bottom: 36px; }
.station-search-bar { display: flex; gap: 10px; margin-bottom: 24px; }
.station-search-bar .search-input { flex: 1; }