/* ============================================================
   X1 · page-coin.css — Coin Detail 专业交易终端 (PC / Mobile)
   ============================================================ */

/* ---------- 币种 Header (PC) ---------- */
.x1-cd-header { padding: 20px 24px; }
.x1-cd-h-main { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.x1-cd-h-logo { width: 46px; height: 46px; border-radius: 12px; background: var(--x1-bg-3); display: flex; align-items: center; justify-content: center; font-weight: 800; color: var(--x1-text-1); font-size: 20px; overflow: hidden; flex-shrink: 0; }
.x1-cd-h-logo img { width: 100%; height: 100%; object-fit: cover; }
.x1-cd-h-name { font-size: 22px; font-weight: 700; color: var(--x1-text-1); display: flex; align-items: center; gap: 12px; }
.x1-cd-h-pair { font-size: 13px; font-weight: 500; }
.x1-cd-h-price { font-size: 34px; font-weight: 700; font-family: var(--x1-font-num); }
.x1-cd-h-chg { font-size: 13px; }
.x1-cd-hl { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--x1-border-soft); }
.x1-cd-hl-item { display: flex; flex-direction: column; gap: 4px; }
.x1-cd-hl-item span { font-size: 11px; color: var(--x1-text-3); letter-spacing: 0.04em; }
.x1-cd-hl-item b { font-size: 14px; color: var(--x1-text-1); font-family: var(--x1-font-num); }

/* ---------- 主体网格 70/30 ---------- */
.x1-cd-body { display: grid; grid-template-columns: 7fr 3fr; gap: 18px; margin-top: 18px; align-items: start; }
.x1-cd-left, .x1-cd-right { display: flex; flex-direction: column; gap: 18px; min-width: 0; }

/* ---------- 面板 ---------- */
.x1-cd-panel { padding: 16px 18px; }
.x1-cd-panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.x1-cd-panel-title { font-size: 14px; font-weight: 600; color: var(--x1-text-1); }
.x1-cd-live { font-size: 11px; display: inline-flex; align-items: center; gap: 5px; }
.x1-cd-live::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--x1-up); box-shadow: 0 0 6px var(--x1-up); }

/* ---------- 周期 Tab ---------- */
.x1-cd-periods { display: flex; gap: 4px; flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
.x1-cd-periods::-webkit-scrollbar { display: none; }
.x1-cd-period { padding: 4px 12px; border-radius: var(--x1-radius-sm); font-size: 12px; color: var(--x1-text-2); background: transparent; border: none; cursor: pointer; transition: all var(--x1-speed) var(--x1-ease); flex: 0 0 auto; }
.x1-cd-period:hover { color: var(--x1-text-1); background: var(--x1-bg-4); }
.x1-cd-period.is-active { color: var(--x1-primary); background: var(--x1-primary-soft); font-weight: 600; }

/* ---------- K 线区 ---------- */
.x1-cd-kline { height: 420px; border: 1px solid var(--x1-border-soft); border-radius: var(--x1-radius-md); background: var(--x1-bg-0); overflow: hidden; }
.x1-cd-kline--mob { height: 400px; }
/* ③ 无数据空态：降低视觉重量，不显得空洞黑屏。有真实 K 线后移除 is-empty */
.x1-cd-kline--empty { position: relative; background: linear-gradient(160deg, var(--x1-bg-1) 0%, var(--x1-bg-0) 46%, var(--x1-bg-2) 100%); }
.x1-cd-kline--empty::after { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 50% 120%, rgba(59,130,246,0.08), transparent 60%); pointer-events: none; }
.x1-cd-kline--empty .x1-cd-empty { position: relative; z-index: 1; }
/* ④ K线 Canvas：填充容器，深色底（与 X1 深色科技风一致），无数据时由组件画覆盖层 */
.x1-cd-kline-canvas { display: block; width: 100%; height: 100%; }
.x1-cd-kline--mob:not(.x1-cd-kline--empty) .x1-cd-kline-canvas { height: 100%; }

/* ---------- 暂无数据占位 ---------- */
.x1-cd-empty { height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; color: var(--x1-text-3); padding: 30px; text-align: center; }
.x1-cd-empty-ic { font-size: 30px; opacity: 0.8; }
.x1-cd-empty-title { font-size: 15px; color: var(--x1-text-2); font-weight: 600; }
.x1-cd-empty-desc { font-size: 12px; }

/* ---------- 成交列 ---------- */
.x1-cd-trades { min-height: 260px; }
.x1-cd-depth { min-height: 200px; }

/* ============ 盘口深度 Order Book（WS depth.step0 真实盘口） ============ */
.x1-cd-dloading { min-height: 100px; display: flex; align-items: center; justify-content: center; color: var(--x1-text-3); font-size: 12px; gap: 8px; }
.x1-cd-dloading::before { content: ''; width: 12px; height: 12px; border: 2px solid var(--x1-border); border-top-color: var(--x1-primary); border-radius: 50%; animation: x1-spin 0.8s linear infinite; }
@keyframes x1-spin { to { transform: rotate(360deg); } }

/* 表头：两列（价格 / 数量），静止 */
.x1-cd-dhead { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 4px 10px 8px; font-size: 11px; color: var(--x1-text-3); letter-spacing: 0.03em; }
.x1-cd-dhead span:last-child { text-align: right; }

/* 卖盘区（asks 深→浅，从上到下） */
.x1-cd-dasks, .x1-cd-dbids { position: relative; display: flex; flex-direction: column; }
.x1-cd-dbids { margin-top: 2px; }

/* 深度条行：背景径向条 = 数量占比（纯视觉，不改价量值） */
.x1-cd-drow { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 3px 10px; font-size: 12px; line-height: 1.5; overflow: hidden; }
.x1-cd-drow .x1-cd-dbar { position: absolute; top: 0; bottom: 0; right: 0; width: var(--dbar-pct, 0%); pointer-events: none; }
.x1-cd-drow--ask .x1-cd-dbar--ask { background: linear-gradient(90deg, transparent, rgba(234, 57, 67, 0.10) 70%, rgba(234, 57, 67, 0.16)); }
.x1-cd-drow--bid .x1-cd-dbar--bid { background: linear-gradient(90deg, transparent, rgba(22, 199, 132, 0.10) 70%, rgba(22, 199, 132, 0.16)); }
.x1-cd-dprice { text-align: left; font-family: var(--x1-font-num); }
.x1-cd-dqty { text-align: right; color: var(--x1-text-2); font-family: var(--x1-font-num); }
.x1-cd-dnone { padding: 10px; text-align: center; color: var(--x1-text-3); font-size: 12px; }

/* 中间价：买一 / 价差 / 卖一 */
.x1-cd-dmid { display: grid; grid-template-columns: 1fr auto 1fr; gap: 8px; align-items: center; padding: 8px 10px; margin: 4px 0; border-top: 1px solid var(--x1-border-soft); border-bottom: 1px solid var(--x1-border-soft); background: var(--x1-bg-2); font-size: 12px; }
.x1-cd-dmid span:first-child { color: var(--x1-up); font-family: var(--x1-font-num); }
.x1-cd-dmid span:last-child { color: var(--x1-down); text-align: right; font-family: var(--x1-font-num); }
.x1-cd-dspread { color: var(--x1-text-3); font-family: var(--x1-font-num); }

/* ---------- 交易表单 ---------- */
.x1-cd-side-tabs { display: flex; gap: 6px; margin-bottom: 14px; }
.x1-cd-side-tab { flex: 1; padding: 9px 0; border-radius: var(--x1-radius-sm); border: none; font-size: 13px; font-weight: 600; color: var(--x1-text-2); background: var(--x1-bg-2); cursor: pointer; transition: all var(--x1-speed) var(--x1-ease); }
.x1-cd-side-tab.is-active[data-side="buy"] { background: rgba(22, 199, 132, 0.15); color: var(--x1-up); }
.x1-cd-side-tab.is-active[data-side="sell"] { background: rgba(234, 57, 67, 0.15); color: var(--x1-down); }
.x1-cd-order-type { display: flex; gap: 6px; margin-bottom: 14px; }
.x1-cd-otype { flex: 1; padding: 6px 0; border-radius: var(--x1-radius-sm); border: 1px solid var(--x1-border); font-size: 12px; color: var(--x1-text-2); background: transparent; cursor: pointer; }
.x1-cd-otype.is-active { color: var(--x1-primary); border-color: var(--x1-primary); background: var(--x1-primary-soft); }
.x1-cd-field { margin-bottom: 12px; }
.x1-cd-field label { display: block; font-size: 11px; color: var(--x1-text-3); margin-bottom: 6px; }
.x1-cd-input { display: flex; align-items: center; }
.x1-cd-input input { width: 100%; padding: 10px 12px; border-radius: var(--x1-radius-sm); background: var(--x1-bg-4); border: 1px solid var(--x1-border); color: var(--x1-text-1); font-family: var(--x1-font-num); font-size: 14px; }
.x1-cd-input input:focus { outline: none; border-color: var(--x1-primary); }
.x1-cd-est, .x1-cd-avail { display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: var(--x1-text-2); margin-bottom: 6px; }
.x1-cd-est b, .x1-cd-avail b { color: var(--x1-text-1); font-family: var(--x1-font-num); }
.x1-cd-note { text-align: center; font-size: 11px; margin-top: 10px; }
.x1-btn--buy { background: linear-gradient(135deg, var(--x1-up), #0fa96a); box-shadow: 0 4px 16px rgba(22, 199, 132, 0.25); color: #fff; border: none; }
.x1-btn--sell { background: linear-gradient(135deg, var(--x1-down), #c92a3d); box-shadow: 0 4px 16px rgba(234, 57, 67, 0.25); color: #fff; border: none; }
.x1-btn--buy:hover, .x1-btn--sell:hover { filter: brightness(1.08); }

/* ---------- 下方 持仓/历史 ---------- */
.x1-cd-lower { margin-top: 18px; }
.x1-cd-side-tabs2 { display: flex; gap: 4px; margin-bottom: 14px; border-bottom: 1px solid var(--x1-border-soft); }
.x1-cd-st2 { padding: 8px 14px; font-size: 13px; color: var(--x1-text-2); background: none; border: none; cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; }
.x1-cd-st2.is-active { color: var(--x1-primary); border-bottom-color: var(--x1-primary); font-weight: 600; }
.x1-cd-list { min-height: 160px; }
.x1-cd-list { display: flex; flex-direction: column; gap: 4px; }
.x1-cd-list-row {
  display: flex; align-items: center; gap: 14px; padding: 10px 12px;
  border: 1px solid var(--x1-border-soft); border-radius: var(--x1-radius-sm);
  font-size: 13px;
}
.x1-cd-list-row > span:nth-child(2) { flex: 1; text-align: right; }
.x1-cd-list-row > span:nth-child(3) { width: 110px; text-align: right; }
.x1-cd-list-row > span:nth-child(4) { min-width: 64px; text-align: right; color: var(--x1-text-2); }
.x1-cd-list-loading { padding: 30px; text-align: center; color: var(--x1-text-3); }
.x1-cd-list-foot { padding: 8px 4px 0; font-size: 12px; text-align: left; }
.x1-link { color: var(--x1-link); cursor: pointer; text-decoration: none; }

/* ---------- 加载 ---------- */
.x1-cd-loading { position: static; inset: auto; }

/* ============================================================
   Mobile (≤900px)
   ============================================================ */
@media (max-width: 900px) {
  .x1-cd-hl { grid-template-columns: repeat(2, 1fr); gap: 12px; }

  /* ① Mobile Header：价格为绝对主视觉，BTC 信息为辅助 */
  .x1-cd-mh { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; padding: 8px 2px 16px; }
  /* 底部固定 Buy/Sell 栏 + 底部 Tab 会盖住内容，页面底部留足空间 */
  .x1-cd-mob { padding-bottom: calc(56px + 56px + 20px); }
  .x1-cd-mh-top { display: flex; align-items: center; gap: 10px; }
  .x1-cd-mh-logo { width: 34px; height: 34px; border-radius: 9px; background: var(--x1-bg-3); display: flex; align-items: center; justify-content: center; font-weight: 800; color: var(--x1-text-1); font-size: 15px; overflow: hidden; }
  .x1-cd-mh-logo img { width: 100%; height: 100%; object-fit: cover; }
  .x1-cd-mh-name { font-size: 15px; font-weight: 600; color: var(--x1-text-1); display: flex; align-items: center; gap: 6px; line-height: 1; }
  .x1-cd-mh-name .x1-text-3 { font-size: 12px; font-weight: 400; color: var(--x1-text-3); }
  /* 价格：大号主视觉，独占一行 */
  .x1-cd-mh-price { font-size: 34px; font-weight: 700; font-family: var(--x1-font-num); line-height: 1; }
  /* 涨跌：小号，紧随价格下方 */
  .x1-cd-mh-chg { font-size: 13px; font-weight: 600; }

  /* 24H */
  .x1-cd-mob-hl { padding: 14px 14px; margin-bottom: 12px; }
  .x1-cd-mob-hl .x1-cd-hl { margin-top: 0; padding-top: 0; border-top: none; }
  .x1-cd-mob-hl .x1-cd-hl-item b { font-size: 13px; }

  /* K 线面板 */
  .x1-cd-mob .x1-cd-panel { padding: 12px 10px; }
  .x1-cd-kline--mob { height: 380px; }
  /* ② 无 K 线数据：高度压缩到 260px，避免大面积黑屏；有真实 K 线后恢复 380px */
  .x1-cd-kline--mob.x1-cd-kline--empty { height: 260px; }

  /* Mobile 盘口/成交 Tab */
  .x1-cd-mob-dtabs { display: flex; gap: 6px; margin-bottom: 12px; }
  .x1-cd-mdt { flex: 1; padding: 8px 0; border-radius: var(--x1-radius-sm); border: none; font-size: 13px; font-weight: 600; color: var(--x1-text-2); background: var(--x1-bg-2); cursor: pointer; }
  .x1-cd-mdt.is-active { color: var(--x1-primary); background: var(--x1-primary-soft); }
  .x1-cd-mob .x1-cd-depth, .x1-cd-mob .x1-cd-trades { min-height: 180px; }

  /* 底部固定交易入口 */
  .x1-cd-mob-actions {
    position: fixed; bottom: calc(var(--x1-mobile-tabbar-h) + env(safe-area-inset-bottom)); left: 0; right: 0;
    display: flex; gap: 10px; padding: 10px 14px calc(env(safe-area-inset-bottom) + 10px);
    background: rgba(10, 15, 28, 0.96); backdrop-filter: blur(14px); border-top: 1px solid var(--x1-border-soft);
    z-index: 90;
  }
  .x1-cd-act { flex: 1; padding: 13px 0; border-radius: var(--x1-radius-md); border: none; font-size: 15px; font-weight: 700; color: #fff; cursor: pointer; }
  .x1-cd-act--buy { background: linear-gradient(135deg, var(--x1-up), #0fa96a); }
  .x1-cd-act--sell { background: linear-gradient(135deg, var(--x1-down), #c92a3d); }

  /* 交易面板 bottom sheet */
  .x1-cd-sheet-mask { position: fixed; inset: 0; z-index: 400; display: flex; align-items: flex-end; background: rgba(4, 7, 15, 0.6); backdrop-filter: blur(2px); }
  .x1-cd-sheet { width: 100%; max-height: 82vh; background: var(--x1-bg-1); border-radius: 20px 20px 0 0; padding: 8px 16px 24px; overflow-y: auto; animation: x1-sheet-up var(--x1-speed-slow) var(--x1-ease-out); }
  @keyframes x1-sheet-up { from { transform: translateY(40px); opacity: 0.6; } to { transform: translateY(0); opacity: 1; } }
  .x1-cd-sheet-top { position: relative; display: flex; align-items: center; justify-content: center; margin-bottom: 14px; }
  .x1-cd-sheet-handle { width: 40px; height: 4px; border-radius: 4px; background: var(--x1-bg-4); margin: 0 auto 12px; }
  .x1-cd-sheet-title { font-size: 13px; font-weight: 600; color: var(--x1-text-2); }
  .x1-cd-sheet-close { position: absolute; right: -4px; top: -4px; width: 30px; height: 30px; border-radius: 8px; border: none; background: var(--x1-bg-2); color: var(--x1-text-2); font-size: 20px; line-height: 1; cursor: pointer; display: flex; align-items: center; justify-content: center; }
  .x1-cd-sheet-close:active { background: var(--x1-bg-4); color: var(--x1-text-1); }
}