:root {
  --bg: #17140f;
  --panel: #211d16;
  --panel-2: #2a251c;
  --border: #3a3326;
  --text: #e8e0d0;
  --muted: #9a9078;
  --accent: #cd412b;
  --accent-2: #d9a03c;
  --bar: #8a5a2b;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  font-size: 15px;
  line-height: 1.6;
}

main { max-width: 1080px; margin: 0 auto; padding: 24px 16px 48px; }

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

h1 { font-size: 24px; margin-bottom: 12px; }
h2 { font-size: 18px; margin: 28px 0 12px; color: var(--text); }
code { font-family: Consolas, monospace; color: var(--muted); font-size: 13px; }
.muted { color: var(--muted); }
.empty { color: var(--muted); padding: 16px 0; }

/* 顶栏 */
.topbar {
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
  max-width: 1080px; margin: 0 auto; padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; background: var(--bg); z-index: 10;
}
.logo { font-size: 20px; font-weight: 700; color: var(--text); letter-spacing: 1px; }
.logo .web { color: var(--accent); margin-left: 6px; font-size: 14px; border: 1px solid var(--accent); border-radius: 4px; padding: 0 5px; }
.topbar nav { display: flex; gap: 16px; }
.topbar nav a { color: var(--muted); }
.topbar nav a:hover { color: var(--text); text-decoration: none; }
.search { margin-left: auto; display: flex; gap: 8px; }
.search input { min-width: 200px; }

input, select, button {
  background: var(--panel); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px;
  padding: 8px 12px; font-size: 14px;
}
button { background: var(--accent); border-color: var(--accent); color: #fff; cursor: pointer; }
button:hover { filter: brightness(1.1); }

/* 首页 */
.hero { text-align: center; padding: 48px 0 32px; }
.hero h1 { font-size: 30px; margin-bottom: 8px; }
.hero .sub { color: var(--muted); margin-bottom: 24px; }
.hero-search { display: flex; max-width: 520px; margin: 0 auto; gap: 8px; }
.hero-search input { flex: 1; padding: 12px 16px; font-size: 15px; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 24px 0; }
.stat {
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 16px; text-align: center;
}
.stat strong { display: block; font-size: 24px; color: var(--accent-2); }
.stat span { color: var(--muted); font-size: 13px; }

.cat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
.cat-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 14px; display: flex; align-items: center; gap: 10px; color: var(--text);
}
.cat-card:hover { border-color: var(--accent-2); text-decoration: none; }
.cat-card .unit { color: var(--muted); font-size: 13px; }

/* 分类徽标与图标 */
.badge {
  display: inline-block; padding: 1px 8px; border-radius: 999px;
  font-size: 12px; border: 1px solid var(--border); color: var(--muted);
}
.icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 8px; flex: none;
  font-weight: 700; font-size: 16px; color: #fff; background: var(--bar);
}
.icon-lg { width: 72px; height: 72px; font-size: 28px; border-radius: 12px; }

.c-res   { background: #4a7c3f; }
.c-comp  { background: #3f6a7c; }
.c-tool  { background: #6b6353; }
.c-wep   { background: #8c3b2f; }
.c-ammo  { background: #a3702c; }
.c-build { background: #5c4a2f; }
.c-deploy{ background: #3f7c6a; }
.c-med   { background: #8c3f6a; }
.c-food  { background: #7c8c3f; }
.c-attire{ background: #6a4a8c; }
.c-elec  { background: #2f6f8c; }
.c-fun   { background: #a3477c; }
.c-trap  { background: #5a5a2f; }
.c-misc  { background: #555f66; }

/* 物品卡片 */
.item-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px; margin-top: 12px;
}
.item-card {
  display: flex; align-items: center; gap: 12px;
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 12px; color: var(--text);
}
.item-card:hover { border-color: var(--accent-2); text-decoration: none; }
.item-card .meta { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.item-card .en { color: var(--muted); font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* 列表筛选 */
.filter-bar { display: flex; gap: 8px; flex-wrap: wrap; margin: 8px 0 12px; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }
.chip {
  padding: 3px 12px; border-radius: 999px; font-size: 13px;
  border: 1px solid var(--border); color: var(--muted); background: var(--panel);
}
.chip.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.chip:hover { text-decoration: none; color: var(--text); }
.count { color: var(--muted); font-size: 13px; margin: 8px 0; }
.pager { display: flex; gap: 12px; margin-top: 20px; }
.pager a {
  padding: 6px 16px; border: 1px solid var(--border); border-radius: 6px; background: var(--panel);
}

/* 详情页 */
.detail-head { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 8px; }
.detail-head .en { color: var(--muted); }
.tags { margin: 6px 0; }
.tag {
  display: inline-block; padding: 1px 8px; font-size: 12px;
  border: 1px solid var(--border); border-radius: 4px; color: var(--muted);
}
.tag-row { margin: 4px 0; }
.wb {
  display: inline-block; padding: 1px 8px; border-radius: 4px; font-size: 12px;
  background: rgba(217, 160, 60, .15); color: var(--accent-2); border: 1px solid var(--accent-2);
}
.wb.wb0 { background: transparent; color: var(--muted); border-color: var(--border); }
.method { color: var(--muted); font-size: 12px; }
.time { color: var(--muted); font-size: 12px; }
.note { color: var(--muted); font-size: 12px; }
.scrap { color: var(--accent-2); }

.recipe-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 12px; margin-bottom: 10px;
}
.recipe-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 8px; }
.recipe-out { font-weight: 700; }
.ingredients { display: flex; gap: 8px; flex-wrap: wrap; }
.ing {
  display: inline-flex; gap: 8px; align-items: center;
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 6px;
  padding: 4px 10px; color: var(--text); font-size: 13px;
}
.ing:hover { text-decoration: none; border-color: var(--accent-2); }
.ing-qty { color: var(--accent-2); font-family: Consolas, monospace; }

/* 掉落 */
.loot-rows { margin-top: 8px; }
.loot-row {
  display: grid; grid-template-columns: 160px 110px 1fr 56px;
  gap: 12px; align-items: center;
  padding: 6px 0; border-bottom: 1px dashed var(--border);
}
.loot-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.loot-qty { color: var(--muted); font-size: 13px; }
.bar { height: 8px; background: var(--panel-2); border-radius: 999px; overflow: hidden; }
.bar span { display: block; height: 100%; background: var(--bar); border-radius: 999px; }
.chance { font-family: Consolas, monospace; font-size: 13px; text-align: right; color: var(--accent-2); }
.loot-container {
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 16px; margin-bottom: 16px;
}
.loot-container h2 { margin-top: 0; }

/* 科技树 */
.tree-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.tree-col {
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 14px;
}
.tree-col h2 { margin-top: 0; }
.tree-node {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 0; border-bottom: 1px dashed var(--border);
}
.node-link { display: flex; align-items: center; gap: 8px; color: var(--text); flex: 1; min-width: 0; }
.node-link:hover { text-decoration: none; }
.node-link:hover .node-name { color: var(--accent-2); }
.node-link .icon { width: 28px; height: 28px; font-size: 12px; border-radius: 6px; }
.node-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.parent { color: var(--muted); font-size: 11px; border: 1px solid var(--border); border-radius: 4px; padding: 0 5px; }
.scrap { color: var(--accent-2); font-size: 12px; font-family: Consolas, monospace; white-space: nowrap; }

footer {
  max-width: 1080px; margin: 0 auto; padding: 20px 16px 32px;
  color: var(--muted); font-size: 12px; border-top: 1px solid var(--border);
}

/* 详情页悬浮返回按钮：固定在 topbar 下方左上角，任意滚动位置可点返回，长文不必划到底 */
.back-fab {
  position: fixed; left: 8px; top: 66px; z-index: 9;
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--panel); border: 1px solid var(--border);
  color: var(--muted); font-size: 22px; line-height: 1;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; box-shadow: 0 4px 12px rgba(0, 0, 0, .45);
}
.back-fab:hover { color: var(--accent-2); border-color: var(--accent-2); }

@media (max-width: 720px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .tree-cols { grid-template-columns: 1fr; }
  .loot-row { grid-template-columns: 110px 80px 1fr 48px; }
  .search { margin-left: 0; }
}