:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --line: #e6e8eb;
  --text: #1f2329;
  --muted: #8a9099;
  --primary: #2f6fed;
  --pos: #e02e2e; /* 涨/盈利=红 */
  --neg: #1a9e3e; /* 跌/亏损=绿 */
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
body {
  margin: 0; font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg); color: var(--text); font-size: 14px; padding-bottom: 30px;
}
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; background: var(--card); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
}
.topbar .title { font-size: 17px; font-weight: 700; }
.topbar-actions { display: flex; gap: 6px; }
.container { max-width: 760px; margin: 0 auto; padding: 12px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 14px; margin-bottom: 12px;
}
.card h2 { font-size: 15px; margin: 0 0 10px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.btn {
  border: 1px solid var(--line); background: #fff; color: var(--text);
  padding: 8px 12px; border-radius: 8px; font-size: 14px; cursor: pointer;
}
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-ghost { background: #f0f2f5; border-color: transparent; }
.btn-del { padding: 4px 8px; font-size: 12px; color: var(--neg); border-color: var(--line); }
.btn:hover { opacity: 0.9; }

/* 表单 */
.trade-form { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.field { display: flex; flex-direction: column; gap: 4px; }
.field label { font-size: 12px; color: var(--muted); }
.field input, .field select {
  padding: 9px 10px; border: 1px solid var(--line); border-radius: 8px; font-size: 14px; width: 100%;
}
.field input[readonly] { background: #f0f2f5; color: var(--muted); }
.field input.auto { background: #f0f2f5; color: var(--muted); }
.trade-form .btn-primary { grid-column: 1 / -1; padding: 11px; font-size: 15px; }

/* 持仓设置 */
.settings-list { display: flex; flex-direction: column; gap: 8px; }
.setting-row {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  padding: 8px; border: 1px solid var(--line); border-radius: 8px;
}
.setting-row .sym { font-weight: 600; margin-right: auto; }
.setting-row label { font-size: 12px; color: var(--muted); display: flex; align-items: center; gap: 4px; }
.setting-row select, .setting-row input { padding: 5px 6px; border: 1px solid var(--line); border-radius: 6px; font-size: 13px; }
.cell-input { width: 92px; }

/* 表格 */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; }
.cell-input { width: 90px; padding: 5px; border: 1px solid var(--line); border-radius: 6px; }

/* 操作区 */
.actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.log { font-size: 12px; color: var(--muted); flex-basis: 100%; }

/* 汇总 */
.summary-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; }
.s-item { display: flex; flex-direction: column; gap: 3px; }
.s-item span { font-size: 12px; color: var(--muted); }
.s-item b { font-size: 16px; }

/* 持仓卡片 */
.holdings-cards { display: flex; flex-direction: column; gap: 10px; }
.holding-card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px; }
.hc-head { font-weight: 700; margin-bottom: 8px; }
.tag { font-size: 11px; color: var(--muted); background: #f0f2f5; padding: 2px 6px; border-radius: 6px; font-weight: 400; }
.hc-grid { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 8px; }
.hc-grid > div { display: flex; flex-direction: column; gap: 2px; }
.hc-grid span { font-size: 11px; color: var(--muted); }
.hc-grid b { font-size: 14px; }
.hc-note { margin-top: 10px; padding-top: 8px; border-top: 1px dashed var(--line); font-size: 12px; color: var(--muted); line-height: 1.7; }
.hc-note b { color: var(--text); font-weight: 600; }

/* 颜色：红涨绿跌 */
.pos { color: var(--pos); }
.neg { color: var(--neg); }

/* 弹层 */
.modal { position: fixed; inset: 0; background: rgba(0,0,0,0.4); display: flex; align-items: center; justify-content: center; z-index: 20; }
.modal-box { background: #fff; border-radius: 12px; padding: 18px; width: 90%; max-width: 340px; }
.modal-box h3 { margin: 0 0 12px; }
.modal-box .block { display: block; font-size: 13px; margin-bottom: 4px; }
.modal-box select { width: 100%; padding: 9px; border: 1px solid var(--line); border-radius: 8px; margin-bottom: 10px; }
.footer { text-align: center; color: var(--muted); font-size: 12px; padding: 16px; }

/* 小屏适配（手机为主场景） */
@media (max-width: 420px) {
  .container { padding: 10px; }
  .hc-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .hc-grid span { font-size: 10px; }
  .hc-grid b { font-size: 13px; word-break: break-all; }
  .hc-note { font-size: 11px; line-height: 1.6; }
  .summary-grid { grid-template-columns: 1fr 1fr; }
  .s-item b { font-size: 15px; }
  .trade-form { grid-template-columns: 1fr; }
  .cell-input { width: 78px; }
}