:root {
  --bg: #0d1117;
  --panel: #161b22;
  --panel-2: #1c2330;
  --line: #2a3441;
  --ink: #e6edf3;
  --ink-dim: #9aa7b4;
  --ink-faint: #6b7884;
  --accent: #4f9dff;
  --accent-soft: rgba(79, 157, 255, 0.14);
  --buy: #3fb950;
  --buy-soft: rgba(63, 185, 80, 0.14);
  --sell: #f0883e;
  --sell-soft: rgba(240, 136, 62, 0.14);
  --warn: #d29922;
  --warn-soft: rgba(210, 153, 34, 0.13);
  --err: #f85149;
  --err-soft: rgba(248, 81, 73, 0.13);
  --ok: #3fb950;
  --ok-soft: rgba(63, 185, 80, 0.12);
  --radius: 12px;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.28);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: radial-gradient(1200px 600px at 80% -10%, #1a2740 0%, var(--bg) 55%);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.55;
  min-height: 100vh;
}
.wrap { width: 100%; max-width: 920px; margin: 0 auto; padding: 0 18px; }

.topbar {
  position: sticky; top: 0; z-index: 10;
  background: rgba(13, 17, 23, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner { display: flex; align-items: center; justify-content: space-between; height: 56px; }
.brand { display: flex; align-items: center; gap: 9px; font-weight: 700; font-size: 16px; }
.brand .logo { font-size: 20px; }
.badge-local { font-size: 12px; color: var(--ink-dim); background: var(--panel-2); border: 1px solid var(--line); padding: 4px 10px; border-radius: 999px; }

.hero { padding: 30px 0 18px; }
.hero h1 { font-size: 26px; line-height: 1.32; margin: 0 0 10px; font-weight: 800; letter-spacing: -0.3px; }
.hero h1 strong { color: var(--accent); }
.hero .sub { color: var(--ink-dim); margin: 0; font-size: 15px; max-width: 680px; }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 18px;
  box-shadow: var(--shadow);
}
.panel-head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; margin-bottom: 14px; }
.panel-head h2 { font-size: 15px; margin: 0; color: var(--ink); letter-spacing: 0.2px; }

.preset-row { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-dim); }
.preset-row select {
  background: var(--panel-2); color: var(--ink); border: 1px solid var(--line);
  border-radius: 8px; padding: 6px 8px; font-size: 13px; max-width: 160px;
}

.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 0 -4px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 520px; }
.holdings th, .holdings td, .detail th, .detail td { padding: 9px 8px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
.holdings th, .detail th { color: var(--ink-faint); font-weight: 600; font-size: 12px; letter-spacing: 0.3px; }
.col-num { text-align: right !important; }
.col-w { text-align: right !important; width: 84px; color: var(--ink-dim); }
.col-del { width: 34px; }

.holdings input {
  width: 100%; background: var(--panel-2); border: 1px solid var(--line); color: var(--ink);
  border-radius: 8px; padding: 8px 9px; font-size: 14px; font-family: inherit;
}
.holdings input.num { text-align: right; font-variant-numeric: tabular-nums; }
.holdings input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-soft); }
.cur-weight { font-variant-numeric: tabular-nums; }
.del-btn { background: transparent; border: none; color: var(--ink-faint); cursor: pointer; font-size: 17px; padding: 4px; border-radius: 6px; line-height: 1; }
.del-btn:hover { color: var(--err); background: var(--err-soft); }

.holdings tfoot td { font-weight: 700; color: var(--ink); border-bottom: none; border-top: 2px solid var(--line); padding-top: 11px; }
.foot-label { color: var(--ink-dim); }
#sumTarget.off { color: var(--warn); }

.add-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 12px; }
.controls { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 16px; }
.ctrl label { display: block; font-size: 13px; color: var(--ink-dim); margin-bottom: 6px; font-weight: 600; }
.ctrl .hint { display: block; font-size: 11px; color: var(--ink-faint); font-weight: 400; margin-top: 1px; }
.ctrl input {
  width: 100%; background: var(--panel-2); border: 1px solid var(--line); color: var(--ink);
  border-radius: 8px; padding: 10px; font-size: 15px; text-align: right; font-variant-numeric: tabular-nums;
}
.ctrl input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-soft); }

.btn {
  border: 1px solid var(--line); background: var(--panel-2); color: var(--ink);
  border-radius: 8px; padding: 8px 14px; font-size: 13px; cursor: pointer; font-family: inherit;
  transition: border-color .15s, background .15s, color .15s;
}
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn.ghost { background: transparent; }

.result { scroll-margin-top: 70px; }
.result-actions { display: flex; gap: 8px; }

.warnings { display: flex; flex-direction: column; gap: 8px; margin-bottom: 14px; }
.warnings:empty { display: none; }
.warn-item { display: flex; gap: 9px; align-items: flex-start; padding: 9px 12px; border-radius: 9px; font-size: 13.5px; border: 1px solid transparent; }
.warn-item .ic { flex: none; }
.warn-item.warn { background: var(--warn-soft); border-color: rgba(210,153,34,.3); color: #f0c77a; }
.warn-item.error { background: var(--err-soft); border-color: rgba(248,81,73,.3); color: #ff9b95; }
.warn-item.ok { background: var(--ok-soft); border-color: rgba(63,185,80,.3); color: #7ee08a; }

.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 6px; }
.metric { background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px; padding: 11px 12px; }
.metric .k { font-size: 11.5px; color: var(--ink-faint); margin-bottom: 4px; }
.metric .v { font-size: 18px; font-weight: 700; font-variant-numeric: tabular-nums; letter-spacing: -0.3px; }
.metric .v.buy { color: var(--buy); }
.metric .v.sell { color: var(--sell); }
.metric .v small { font-size: 12px; color: var(--ink-faint); font-weight: 500; }

.block-title { font-size: 14px; margin: 22px 0 10px; color: var(--ink); display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.block-note { font-size: 11.5px; color: var(--ink-faint); font-weight: 400; }

.detail td { font-variant-numeric: tabular-nums; }
.detail .name { font-weight: 600; }
.drift-pos { color: var(--sell); }
.drift-neg { color: var(--accent); }
.drift-band { color: var(--ink-faint); }
.amt-buy { color: var(--buy); }
.amt-sell { color: var(--sell); }
.tag { font-size: 10.5px; padding: 1px 6px; border-radius: 999px; margin-left: 6px; vertical-align: middle; }
.tag.band { background: var(--panel); border: 1px solid var(--line); color: var(--ink-faint); }

.plan { list-style: none; counter-reset: step; padding: 0; margin: 0; }
.plan li {
  display: flex; align-items: center; gap: 12px; padding: 11px 13px; margin-bottom: 8px;
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px; border-left-width: 3px;
}
.plan li.buy { border-left-color: var(--buy); }
.plan li.sell { border-left-color: var(--sell); }
.plan .step-n { flex: none; width: 24px; height: 24px; border-radius: 50%; background: var(--panel); display: grid; place-items: center; font-size: 12px; font-weight: 700; color: var(--ink-dim); }
.plan .act { flex: none; font-weight: 700; font-size: 13px; padding: 2px 9px; border-radius: 7px; }
.plan .act.buy { background: var(--buy-soft); color: var(--buy); }
.plan .act.sell { background: var(--sell-soft); color: var(--sell); }
.plan .pname { flex: 1; font-weight: 600; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.plan .pamt { font-variant-numeric: tabular-nums; font-weight: 700; }
.plan .pmeta { font-size: 11.5px; color: var(--ink-faint); margin-left: 2px; }
.plan-empty { color: var(--ink-dim); font-size: 14px; padding: 12px; background: var(--panel-2); border-radius: 10px; border: 1px dashed var(--line); }

.notes-block { margin: 6px 0 30px; }
.notes-block details { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 4px 18px; }
.notes-block summary { cursor: pointer; padding: 12px 0; font-size: 14px; color: var(--ink-dim); font-weight: 600; }
.notes-block ul { margin: 4px 0 16px; padding-left: 18px; color: var(--ink-dim); font-size: 13.5px; }
.notes-block li { margin-bottom: 7px; }
.notes-block b { color: var(--ink); }

.footer { border-top: 1px solid var(--line); padding: 18px 0; color: var(--ink-faint); font-size: 12.5px; text-align: center; }

.toast {
  position: fixed; left: 50%; bottom: 30px; transform: translateX(-50%) translateY(20px);
  background: #2ea043; color: #fff; padding: 10px 18px; border-radius: 10px; font-size: 14px;
  opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; box-shadow: var(--shadow); z-index: 50;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 640px) {
  .hero h1 { font-size: 22px; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .controls { grid-template-columns: 1fr; }
  .preset-row select { max-width: 120px; }
  .plan .pmeta { display: none; }
}