:root {
  color-scheme: dark;
  --bg: #101311;
  --panel: #171c19;
  --panel-2: #1d2420;
  --line: #303a34;
  --text: #f2f5f3;
  --muted: #8f9c95;
  --green: #92e65f;
  --green-dark: #243b29;
  --red: #ff786f;
  --amber: #f0bd55;
}
* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; background: var(--bg); color: var(--text); font-family: Inter, "Microsoft YaHei", sans-serif; }
button, input { font: inherit; }
.topbar { min-height: 92px; padding: 20px clamp(20px,4vw,60px); display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); background: #121613; }
h1, h2, p { margin: 0; }
h1 { font-size: 25px; font-weight: 650; }
h2 { font-size: 18px; }
.eyebrow { margin-bottom: 5px; color: var(--green); font-size: 11px; font-weight: 700; letter-spacing: 1.4px; }
.status-group { display: flex; align-items: center; gap: 10px; }
.status-dot, .mode-badge, .run-status { padding: 8px 11px; border: 1px solid var(--line); border-radius: 5px; color: var(--muted); font-size: 12px; white-space: nowrap; }
.status-dot::before { content: ""; display: inline-block; width: 7px; height: 7px; margin-right: 7px; border-radius: 50%; background: var(--amber); }
.status-dot.connected::before { background: var(--green); }
.mode-badge { color: var(--green); background: var(--green-dark); border-color: #3f6648; }
.mode-badge.live { color: #fff; background: #9f3029; border-color: #df675d; }
main { width: min(1440px, 100%); margin: auto; padding: 24px clamp(16px,3vw,40px) 48px; }
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); background: var(--panel); }
.metrics article { min-width: 0; padding: 22px 24px; border-right: 1px solid var(--line); }
.metrics article:last-child { border-right: 0; }
.metrics span, .metrics small { display: block; color: var(--muted); font-size: 12px; }
.metrics strong { display: block; margin: 10px 0 5px; font-size: 28px; font-variant-numeric: tabular-nums; }
.workspace { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 16px; margin-top: 16px; }
.chart-panel, .settings-panel, .table-panel, .account-panel { border: 1px solid var(--line); background: var(--panel); }
.chart-panel { min-width: 0; padding: 22px; }
.section-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.run-status.running { color: var(--green); border-color: #4c784f; }
.run-status.risk { color: var(--red); border-color: #824741; }
canvas { display: block; width: 100%; height: 380px; background: #121713; border: 1px solid #252e29; }
.range-note { min-height: 18px; margin-top: 12px; color: var(--muted); font-size: 12px; }
.settings-panel { padding: 22px; }
form { display: grid; gap: 13px; }
label { display: grid; grid-template-columns: 1fr auto; gap: 7px; color: var(--muted); font-size: 12px; }
label input { grid-column: 1 / -1; width: 100%; height: 39px; padding: 0 11px; border: 1px solid var(--line); border-radius: 4px; outline: none; color: var(--text); background: #111512; }
label input:focus { border-color: var(--green); }
input[type="range"] { padding: 0; accent-color: var(--green); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
button { min-height: 40px; border: 1px solid var(--line); border-radius: 4px; cursor: pointer; color: var(--text); background: #242b27; }
button:hover { border-color: #65736a; }
button:disabled { cursor: not-allowed; opacity: .45; }
.primary { flex: 1; color: #10200f; background: var(--green); border-color: var(--green); font-weight: 750; }
.secondary { margin-top: 3px; }
.actions { display: flex; gap: 8px; margin-top: 16px; }
.icon-button { width: 42px; font-size: 17px; }
.danger { color: var(--red); }
.message { min-height: 34px; padding-top: 10px; color: var(--muted); font-size: 12px; line-height: 1.45; }
.message.error { color: var(--red); }
.lower-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(280px, .6fr); gap: 16px; margin-top: 16px; }
.table-panel, .account-panel { min-width: 0; padding: 22px; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { padding: 11px 8px; border-bottom: 1px solid var(--line); color: var(--muted); text-align: left; font-weight: 500; }
td { padding: 12px 8px; border-bottom: 1px solid #262e29; font-variant-numeric: tabular-nums; white-space: nowrap; }
.buy { color: var(--green); }.sell { color: var(--red); }
dl { margin: 0; }
dl div { display: flex; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid var(--line); }
dt { color: var(--muted); } dd { margin: 0; font-variant-numeric: tabular-nums; }
.event-list { max-height: 190px; margin-top: 14px; overflow: auto; }
.event { padding: 9px 0; border-bottom: 1px solid #252d28; color: var(--muted); font-size: 12px; line-height: 1.45; }
.event time { display: block; margin-top: 3px; color: #626e67; font-size: 10px; }
.empty { color: var(--muted); text-align: center; }
@media (max-width: 900px) {
  .metrics { grid-template-columns: 1fr 1fr; }
  .metrics article:nth-child(2) { border-right: 0; }
  .metrics article:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .workspace, .lower-grid { grid-template-columns: 1fr; }
  .settings-panel { order: -1; }
  canvas { height: 300px; }
}
@media (max-width: 540px) {
  .topbar { align-items: flex-start; gap: 16px; }
  .status-group { flex-direction: column; align-items: flex-end; }
  .metrics strong { font-size: 21px; }
  .metrics article { padding: 16px; }
  .form-row { grid-template-columns: 1fr; }
  canvas { height: 240px; }
}