/* GOLDTD 外贸行情主页 · 样式（第三期：HTX 合约交易台风 · 全宽流式自适应）
   - 默认深色：HTX 实拍色板 #0c0d0e 族 + 细隔线 #1b1d24 族 + 绿涨红跌 + 品牌蓝白点缀（#0173e5 / #d7ddeb）
   - 应用式布局：body 100vh flex 列（顶栏/跑马灯/主区/一行页脚），主区左右 flex 撑满
   - 浅色主题保留同一骨架，协调可用 */
:root {
  --bg: #f6f7f9;
  /* 顶栏/跑马灯固定深色（不随主题切换） */
  --tbf-bg: #161616;
  --tbf-border: #1b1d24;
  --tbf-inset: #1b1d24;
  --tbf-hover: #26282f;
  --tbf-text: #d7ddeb;
  --tbf-text2: #8b93a3;
  --tbf-text3: #5c6472;
  --panel: #ffffff;
  --panel2: #f3f5f8;
  --border: #e5e9ef;
  --border-focus: #c3cddb;
  --text: #161c28;
  --text2: #525d6e;
  --text3: #8d99ab;
  --up: #16a34a;   /* 绿涨 */
  --down: #dc2626; /* 红跌 */
  --up-bg: rgba(22, 163, 74, .08);
  --down-bg: rgba(220, 38, 38, .08);
  /* 品牌蓝白：--gold/--gold2 变量名保留（兼容旧引用），值已全部改为火币蓝系 */
  --gold: #0173e5;
  --gold2: #0173e5;
  --gold-soft: rgba(1, 115, 229, .10);
  --accent: #0173e5;
  --violet: #8b5cf6;
  --sel-row: #f3f5f8;
  --warn-row: #fdeeee;
  --shadow: 0 1px 2px rgba(16, 24, 40, .05);
  --radius: 8px;
  --mono: "SF Mono", "Cascadia Mono", Consolas, "Roboto Mono", monospace;
}
/* 深色主题：完全对标火币 HTX 实拍色板（PIL 取色）
   层级：#161616 顶栏 → #2f2523 公告 → #161616 跑马灯 → #0c0d0e 页底 → #141517 面板 */
[data-theme="dark"] {
  --bg: #0c0d0e;
  --panel: #141517;
  --panel2: #1b1d24;
  --border: #1b1d24;
  --border-focus: #3a4150;
  --text: #d7ddeb;
  --text2: #8b93a3;
  --text3: #5c6472;
  --up: #00a171;
  --down: #e9404f;
  --up-bg: rgba(0, 161, 113, .12);
  --down-bg: rgba(233, 64, 79, .12);
  --accent: #0173e5;
  --sel-row: #1b1d24;
  --warn-row: #29191d;
  --gold: #2f8cff;   /* 深色下小面积强调用更亮的蓝 */
  --gold2: #2f8cff;
  --gold-soft: rgba(47, 140, 255, .16);
  --shadow: none;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
html, body { height: 100%; }
body {
  background: var(--bg); color: var(--text);
  font: 14px/1.55 -apple-system, "Helvetica Neue", "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  /* 应用式全屏骨架：顶栏 + 跑马灯 + 主区(flex:1) + 一行页脚 */
  display: flex; flex-direction: column; height: 100vh; overflow: hidden;
}
a { color: inherit; text-decoration: none; }
.num {
  font-family: var(--mono); font-variant-numeric: tabular-nums;
}
.up { color: var(--up); }
.down { color: var(--down); }

/* ---------- 菜单栏（全宽通栏，固定深色 #161616，不随主题切换） ---------- */
.topbar { background: var(--tbf-bg); border-bottom: 1px solid var(--tbf-border); flex: none; z-index: 50; }
.topbar-inner { display: flex; align-items: center; gap: 18px; padding: 0 16px; height: 52px; }

/* logo：CSS 蓝色菱形标 + 全白粗字（顶栏固定深色，用 tbf 固定 token） */
.logo { display: flex; align-items: center; gap: 8px; font-size: 19px; font-weight: 800; letter-spacing: .8px; color: var(--tbf-text); }
.logo-mark {
  width: 15px; height: 15px; border-radius: 4px 4px 4px 1px; transform: rotate(45deg);
  background: linear-gradient(135deg, #2f8cff, var(--accent));
  box-shadow: 0 1px 5px rgba(1, 115, 229, .5); flex: none;
}

.mainnav { display: flex; gap: 2px; flex: 1; }
.nav-item { position: relative; }
.nav-btn {
  background: none; border: 0; cursor: pointer; color: var(--tbf-text);
  font: inherit; font-size: 14px; font-weight: 500; letter-spacing: .2px;
  padding: 8px 10px; border-radius: 6px; white-space: nowrap;
}
.nav-btn i { font-style: normal; font-size: 10px; color: var(--tbf-text3); margin-left: 2px; }
.nav-btn:hover, .nav-item:hover > .nav-btn { color: #fff; background: none; }
.nav-ai { display: inline-block; }
/* 下拉面板：顶栏固定深色 → 面板也固定深色 */
.dropdown {
  display: none; position: absolute; top: 100%; left: 0; min-width: 210px;
  background: var(--tbf-inset); border: 1px solid var(--tbf-hover); border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .4); padding: 6px; z-index: 60;
}
.dropdown.right { left: auto; right: 0; min-width: 150px; }
.nav-item:hover .dropdown, .nav-item:focus-within .dropdown { display: block; }
/* 选中选项后强制收起，mouseleave 后移除该类恢复 hover 行为 */
.nav-item.dd-close:hover .dropdown, .nav-item.dd-close:focus-within .dropdown { display: none; }
.dropdown a { display: block; padding: 8px 12px; border-radius: 6px; color: var(--tbf-text2); font-weight: 500; }
.dropdown a:hover { background: var(--tbf-hover); color: var(--tbf-text); }
.dropdown a.active { color: var(--accent); font-weight: 700; }

/* 右侧：搜索 → Log In → Sign Up → 灰白工具图标（顺序对标火币顶栏） */
.top-actions { display: flex; align-items: center; gap: 8px; }
.top-search {
  display: flex; align-items: center; gap: 6px;
  background: var(--tbf-inset); border: 1px solid transparent; border-radius: 6px;
  padding: 6px 10px; width: 180px;
}
.top-search:focus-within { border-color: #3a4150; }
.ts-icon { font-size: 12px; filter: grayscale(1); opacity: .7; }
.top-search input {
  flex: 1; min-width: 0; background: none; border: 0; outline: none;
  color: var(--tbf-text); font: inherit; font-size: 13px;
}
.top-search input::placeholder { color: var(--tbf-text3); }
.login-btn {
  background: none; border: 0; cursor: pointer; font: inherit; font-size: 14px; font-weight: 500;
  color: var(--tbf-text); padding: 7px 10px; white-space: nowrap;
}
.login-btn:hover { color: #fff; }
.signup-btn {
  background: var(--accent); border: 0; border-radius: 6px; cursor: pointer;
  color: #fff; font: inherit; font-size: 14px; font-weight: 600; padding: 8px 18px; white-space: nowrap;
}
.signup-btn:hover { filter: brightness(1.12); }
.ticon {
  background: none; border: 0; cursor: pointer; font-size: 16px; line-height: 1;
  padding: 7px 6px; color: var(--tbf-text2); filter: grayscale(1); opacity: .85;
}
.ticon:hover, .nav-item:hover > .ticon { opacity: 1; filter: grayscale(.4); }
.icon-wrap .dropdown { margin-top: 4px; }
.burger { display: none; background: none; border: 0; font-size: 22px; color: var(--tbf-text); cursor: pointer; }

/* 登录/注册占位 modal */
.modal-mask {
  position: fixed; inset: 0; z-index: 100; background: rgba(0, 0, 0, .55);
  display: flex; align-items: center; justify-content: center;
}
.modal {
  position: relative; width: min(340px, 88vw); background: var(--panel);
  border: 1px solid var(--border); border-radius: 12px; padding: 26px 24px 24px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, .4); text-align: center;
}
.modal-t { font-size: 16px; font-weight: 800; margin-bottom: 10px; }
.modal-p { color: var(--text2); font-size: 13px; line-height: 1.7; margin-bottom: 16px; }
.modal-cta {
  display: inline-block; background: var(--accent); color: #fff; font-weight: 700; font-size: 14px;
  padding: 9px 22px; border-radius: 6px;
}
.modal-cta:hover { filter: brightness(1.12); }
.modal-x {
  position: absolute; top: 10px; right: 12px; background: none; border: 0; cursor: pointer;
  color: var(--text3); font-size: 14px;
}
.modal-x:hover { color: var(--text); }

/* ---------- 跑马灯（固定深色，与顶栏同 #161616） ---------- */
.ticker { background: var(--tbf-bg); border-bottom: 1px solid var(--tbf-border); overflow: hidden; flex: none; }
.ticker-track { display: inline-flex; gap: 36px; padding: 7px 0; white-space: nowrap; animation: marquee 36s linear infinite; will-change: transform; }
.ticker:hover .ticker-track { animation-play-state: paused; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.tk { display: inline-flex; gap: 8px; align-items: baseline; font-family: var(--mono); font-variant-numeric: tabular-nums; font-size: 13px; color: var(--tbf-text); }
.tk b { font-family: inherit; }
.tk .tname { color: var(--tbf-text2); font-family: -apple-system, "Helvetica Neue", "Segoe UI", Roboto, sans-serif; }

/* ---------- 布局骨架：100vw 全宽，主区 flex 撑满剩余高度 ---------- */
main { flex: 1; min-height: 0; display: flex; padding: 10px; width: 100%; }
.panel {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
}

/* ============ 行情主区：左侧栏 + 主列 ============ */
.mkt { display: flex; gap: 10px; flex: 1; min-height: 0; width: 100%; }
.main-col { flex: 1; min-width: 0; min-height: 0; display: flex; flex-direction: column; gap: 10px; }

/* ---- 左侧边栏（320px 弹性，内部滚动；火币合约列表风紧凑布局） ---- */
.sidebar {
  flex: 0 1 320px; min-width: 280px; min-height: 0;
  display: flex; flex-direction: column; overflow: hidden;
}

/* tab 行：激活 = 白字 + 蓝色下划线 */
/* tab 行：激活 = 白字 + 蓝色下划线；比 chips 大一号 */
.side-tabs { display: flex; gap: 4px; padding: 6px 8px 0; flex: none; }
.stab {
  background: none; border: 0; cursor: pointer; font: inherit; font-size: 13px; font-weight: 600;
  color: var(--text3); padding: 6px 8px 8px; position: relative; white-space: nowrap;
}
.stab:hover { color: var(--text2); }
.stab.active { color: var(--text); }
.stab.active::after {
  content: ''; position: absolute; left: 8px; right: 8px; bottom: 0; height: 2px;
  border-radius: 2px; background: var(--accent);
}

/* 材质 chips：小字胶囊横排可滚动（隐藏滚动条），激活淡蓝底蓝字 */
.side-chips {
  display: flex; gap: 6px; padding: 8px 10px 2px; flex: none;
  overflow-x: auto; scrollbar-width: none;
}
.side-chips::-webkit-scrollbar { display: none; }
.schip {
  background: var(--panel2); border: 0; border-radius: 999px; cursor: pointer; flex: none;
  font: inherit; font-size: 11px; font-weight: 600; color: var(--text3); padding: 2px 9px;
}
.schip:hover { color: var(--text2); }
.schip.active { background: var(--gold-soft); color: var(--accent); }

.side-search { padding: 8px 10px 8px; border-bottom: 1px solid var(--border); flex: none; }
.side-search input {
  width: 100%; border: 1px solid transparent; border-radius: 6px; background: var(--panel2);
  color: var(--text); font: inherit; font-size: 13px; padding: 7px 12px;
}
.side-search input::placeholder { color: var(--text3); }
.side-search input:focus { outline: none; border-color: var(--border-focus); }

/* 排序列头：三列与数据行严格对齐（grid 同列宽），小灰字 + ⇅，激活蓝色高亮 */
.side-cols {
  display: grid; grid-template-columns: 1fr auto auto; align-items: center;
  gap: 6px; padding: 6px 12px 4px; flex: none; border-bottom: 1px solid var(--border);
}
.scol {
  background: none; border: 0; cursor: pointer; font: inherit; font-size: 10.5px;
  color: var(--text3); padding: 0; white-space: nowrap;
}
.scol:hover { color: var(--text2); }
.scol.active { color: var(--accent); }
.scol.active i { opacity: 1; }
.scol i { font-style: normal; font-size: 9px; opacity: .7; }
.scol-price { min-width: 68px; text-align: right; }
.scol-pct { min-width: 48px; text-align: right; }

.side-list { flex: 1; overflow-y: auto; padding: 4px; }
.side-list::-webkit-scrollbar { width: 5px; }
.side-list::-webkit-scrollbar-track { background: transparent; }
.side-list::-webkit-scrollbar-thumb { background: var(--panel2); border-radius: 3px; }
.side-list::-webkit-scrollbar-thumb:hover { background: var(--border-focus); }

/* 品种行：三列 grid（名称区 / 最新价 / 涨跌幅），紧凑 ~52px，无分割线；选中 = 暗底 + 左侧蓝色竖条 */
.mi {
  display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 6px;
  padding: 6px 6px 6px 4px; border-radius: 4px; cursor: pointer; border: 1px solid transparent;
  position: relative; min-height: 46px;
}
.mi:hover { background: var(--panel2); }
.mi.on { background: var(--sel-row); border-color: transparent; }
.mi.on::before {
  content: ''; position: absolute; left: 0; top: 5px; bottom: 5px; width: 3px;
  border-radius: 2px; background: var(--accent);
}
.mi-l { display: flex; align-items: center; gap: 4px; min-width: 0; }
.mi-star {
  flex: none; width: 14px; text-align: center; font-size: 12px; line-height: 1;
  color: var(--text3); cursor: pointer; user-select: none;
}
.mi-star:hover { color: var(--text2); }
.mi-star.on { color: var(--accent); }
.mi-n { font-weight: 600; font-size: 13px; min-width: 0; }
.mi-line { display: flex; align-items: center; gap: 4px; min-width: 0; }
.mi-name { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mi-n small { display: block; color: var(--text3); font-weight: 500; font-size: 10.5px; line-height: 1.35; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mi-hot { font-size: 9px; flex: none; }
.mi-tag {
  flex: none; font-size: 9.5px; font-weight: 700; color: #fff;
  background: var(--accent); border-radius: 3px; padding: 0 4px;
}
.mi-price {
  min-width: 68px; text-align: right; font-size: 13px; font-weight: 600; color: var(--text);
  font-family: var(--mono); font-variant-numeric: tabular-nums;
}
.mi-pct {
  min-width: 48px; text-align: right; font-size: 11px;
  font-family: var(--mono); font-variant-numeric: tabular-nums;
}
.mi-none { padding: 18px 12px; color: var(--text3); font-size: 13px; text-align: center; }

/* ---- 品种头条 ---- */
.head-panel {
  flex: none; display: flex; justify-content: space-between; align-items: flex-end;
  gap: 20px; padding: 14px 18px; flex-wrap: wrap;
}
.h-name { font-size: 16px; font-weight: 800; }
.h-full { color: var(--text3); font-size: 12px; margin-top: 2px; }
.h-price-row { display: flex; align-items: baseline; gap: 12px; margin-top: 6px; }
.h-price { font-size: 32px; font-weight: 800; letter-spacing: -.5px; line-height: 1.1; }
.h-chg { font-size: 14.5px; font-weight: 700; }
.head-chips { display: flex; gap: 26px; flex-wrap: wrap; }
/* chips：无边框两行式「灰标签 + 白值」（对标火币头部 24H高/24H低 排版） */
.chip { padding: 2px 0; min-width: 0; }
.chip span { display: block; font-size: 11px; color: var(--text3); letter-spacing: .2px; margin-bottom: 3px; }
.chip b { font-size: 13.5px; font-weight: 600; color: var(--text); font-family: var(--mono); font-variant-numeric: tabular-nums; }
.chip b.up { color: var(--up); }
.chip b.down { color: var(--down); }
.chip .stale { color: var(--text3); font-size: 12px; font-family: inherit; }

/* ---- 工具栏 + 主图（图表占满剩余高度） ---- */
.chart-panel { flex: 1; min-height: 0; display: flex; flex-direction: column; }
.toolbar { display: flex; align-items: center; gap: 10px; padding: 9px 14px; flex-wrap: wrap; border-bottom: 1px solid var(--border); flex: none; }
.seg { display: inline-flex; gap: 2px; }
.seg-btn {
  border: 0; background: none; cursor: pointer; font: inherit; font-weight: 600; font-size: 12.5px;
  color: var(--text2); padding: 4px 12px; border-radius: 5px;
}
.seg-btn:hover { color: var(--text); }
.seg-btn.active { background: var(--panel2); color: var(--text); }
[data-theme="dark"] .seg-btn.active { background: var(--panel2); color: var(--text); }

/* 窄屏「☰ Markets」抽屉开关（桌面隐藏） */
.side-toggle {
  display: none; border: 1px solid var(--border); background: var(--panel2); color: var(--text);
  font: inherit; font-weight: 700; font-size: 12.5px; padding: 5px 12px; border-radius: 6px; cursor: pointer;
}

.chart-wrap { flex: 1; min-height: 0; padding: 4px 8px 0; position: relative; }

/* ---- 十字光标悬浮卡片（火币式） ---- */
.ch-tip {
  position: absolute; z-index: 20; pointer-events: none;
  background: var(--panel); border: 1px solid var(--border); border-radius: 8px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, .35);
  padding: 8px 12px; font-size: 12px; line-height: 1.6; white-space: nowrap;
  font-family: var(--mono); font-variant-numeric: tabular-nums;
}
.ch-tip .ct-date { color: var(--text3); font-family: -apple-system, "Helvetica Neue", "Segoe UI", Roboto, sans-serif; margin-bottom: 2px; }
.ch-tip .ct-row { display: flex; justify-content: space-between; gap: 14px; }
.ch-tip .ct-k { color: var(--text2); }
.ch-tip .ct-v { color: var(--text); font-weight: 600; }
.ch-tip .ct-v.up { color: var(--up); }
.ch-tip .ct-v.down { color: var(--down); }
.ch-tip .ct-sep { border-top: 1px solid var(--border); margin: 5px 0; }
.chart-note { flex: none; padding: 7px 14px 9px; color: var(--text3); font-size: 12px; display: flex; gap: 14px; flex-wrap: wrap; border-top: 1px solid var(--border); }

/* ---- 页脚：一行极简 ---- */
.footer {
  flex: none; display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 7px 16px; border-top: 1px solid var(--border); background: var(--panel);
  color: var(--text3); font-size: 12px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.footer a { color: var(--text2); }
.footer a:hover { color: var(--accent); }
.foot-sep { color: var(--border); }
.foot-note { overflow: hidden; text-overflow: ellipsis; }

/* ---- 悬浮 AI 气泡（蓝底白图标） ---- */
.ai-bubble {
  position: fixed; right: 20px; bottom: 20px; z-index: 70;
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--accent);
  display: flex; align-items: center; justify-content: center; gap: 2px;
  font-size: 22px; box-shadow: 0 4px 16px rgba(1, 115, 229, .45);
}
.ai-bubble span { font-size: 11px; font-weight: 800; color: #fff; }
.ai-bubble:hover { transform: scale(1.06); transition: transform .15s; }

/* ---- DEMO DATA 角标 ---- */
.demo-badge {
  position: fixed; left: 16px; bottom: 16px; z-index: 70;
  background: var(--down); color: #fff; font-size: 11px; font-weight: 800;
  letter-spacing: 1px; padding: 5px 10px; border-radius: 6px; opacity: .92;
}

.toast {
  position: fixed; top: 64px; left: 50%; transform: translateX(-50%); z-index: 80;
  background: var(--text); color: var(--bg); padding: 9px 18px; border-radius: 8px; font-size: 13px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
  .sidebar { flex-basis: 232px; }
  .head-panel { align-items: flex-start; flex-direction: column; gap: 12px; }
  .top-search { width: 130px; }
}

/* 窄屏（<900px）：左栏收成抽屉，图表区撑满 */
@media (max-width: 900px) {
  .side-toggle { display: inline-block; }
  .top-search { display: none; }
  .sidebar {
    position: fixed; left: 0; top: 0; bottom: 0; z-index: 90; width: 280px; min-width: 0;
    border-radius: 0; border-right: 1px solid var(--border);
    transform: translateX(-105%); transition: transform .2s ease;
    box-shadow: 8px 0 32px rgba(0, 0, 0, .35);
  }
  body.side-open .sidebar { transform: none; }
  body.side-open::before {
    content: ''; position: fixed; inset: 0; z-index: 85; background: rgba(0, 0, 0, .5);
  }
}

@media (max-width: 768px) {
  .mainnav { display: none; position: absolute; top: 52px; left: 0; right: 0; background: var(--tbf-bg); flex-direction: column; padding: 8px; border-bottom: 1px solid var(--tbf-border); z-index: 60; }
  .mainnav.open { display: flex; }
  .dropdown { position: static; box-shadow: none; border: 0; padding-left: 14px; }
  .nav-item:hover .dropdown { display: none; }
  .nav-item.open .dropdown { display: block; }
  .icon-wrap .dropdown { position: absolute; margin-top: 0; box-shadow: 0 8px 24px rgba(0, 0, 0, .4); border: 1px solid var(--tbf-hover); padding-left: 6px; }
  .icon-wrap:hover .dropdown { display: block; }
  .top-actions { margin-left: auto; }
  .login-btn { display: none; }
  .signup-btn { padding: 6px 12px; font-size: 13px; }
  .burger { display: block; }
  .topbar-inner { gap: 8px; }

  main { padding: 8px; }
  .h-price { font-size: 26px; }
  .h-chg { font-size: 13px; }
  .footer { font-size: 11px; }
  .ai-bubble { width: 48px; height: 48px; right: 14px; bottom: 14px; font-size: 19px; }
}

/* 超窄屏：页脚保持单行，隐藏次要文案 */
@media (max-width: 560px) {
  .footer .foot-note, .footer .foot-sep:last-of-type { display: none; }
  .head-chips { gap: 16px; }
}