/* ============================================================
   AI 算法交易数据看板 —— "校准仪表" 终端皮肤
   设计原则：深墨面板 + 发丝网格 + 等宽数字 + 单一金色信号色。
   绿/红仅用于盈亏语义。整套样式自包含、无外部字体（满足 CSP style-src 'self'）。
   ============================================================ */

:root {
  --font-sans: "Inter", "SF Pro Display", "Segoe UI", system-ui, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --font-mono: ui-monospace, "JetBrains Mono", "SF Mono", "Cascadia Mono", Menlo, Consolas, "Liberation Mono", monospace;

  /* dark (default) */
  --ink: #090C11;
  --ink-2: #0C1117;
  --panel: #10151D;
  --panel-2: #131A23;
  --edge: #1E2733;
  --hair: rgba(150, 172, 198, 0.11);
  --hair-2: rgba(150, 172, 198, 0.20);
  --text: #E8EEF5;
  --muted: #7E8C9D;
  --faint: #51606F;
  --gold: #E7B24C;
  --gold-2: #F2C766;
  --gold-soft: rgba(231, 178, 76, 0.14);
  --gold-line: rgba(231, 178, 76, 0.55);
  --gain: #43C595;
  --loss: #ED5E72;
  --scope: #E7B24C;
  --scope-glow: rgba(231, 178, 76, 0.42);
  --chart-screen: #0A0F15;

  --radius: 14px;
  --radius-sm: 9px;
  --gap: 18px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

body[data-theme="light"] {
  --ink: #E7EBF0;
  --ink-2: #EDF0F4;
  --panel: #FBFCFD;
  --panel-2: #F4F6F9;
  --edge: #D6DCE4;
  --hair: rgba(40, 60, 85, 0.10);
  --hair-2: rgba(40, 60, 85, 0.18);
  --text: #16202C;
  --muted: #5C6B7C;
  --faint: #93A0AE;
  --gold: #B6822A;
  --gold-2: #9C6E1E;
  --gold-soft: rgba(182, 130, 42, 0.12);
  --gold-line: rgba(182, 130, 42, 0.55);
  --gain: #1E9E70;
  --loss: #D23A52;
  --scope: #B6822A;
  --scope-glow: rgba(182, 130, 42, 0.30);
  --chart-screen: #F1F4F7;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--text);
  background:
    radial-gradient(1100px 520px at 82% -8%, rgba(231, 178, 76, 0.07), transparent 60%),
    radial-gradient(900px 600px at 0% 110%, rgba(70, 110, 160, 0.07), transparent 55%),
    var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  letter-spacing: 0.01em;
}

/* faint dotted instrument grid behind everything */
.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(var(--hair) 1px, transparent 1px),
    linear-gradient(90deg, var(--hair) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(120% 110% at 50% 0%, #000 30%, transparent 78%);
  mask-image: radial-gradient(120% 110% at 50% 0%, #000 30%, transparent 78%);
  opacity: .6;
}

.shell {
  position: relative;
  z-index: 1;
  max-width: 1480px;
  margin: 0 auto;
  padding: clamp(14px, 2.4vw, 30px);
}

/* ---------- helpers ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--faint);
  margin: 0;
}
.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

/* ============================================================
   BEZEL  (device status bar)
   ============================================================ */
.bezel {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto auto;
  align-items: center;
  gap: clamp(14px, 2vw, 28px);
  padding: 14px clamp(14px, 1.6vw, 22px);
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.03) inset, 0 18px 40px -30px rgba(0, 0, 0, 0.9);
}

.bezel-id { display: flex; align-items: center; gap: 14px; min-width: 0; }
.seal {
  width: 42px; height: 42px;
  flex: none;
  display: grid; place-items: center;
  border-radius: 11px;
  font-family: var(--font-mono);
  font-weight: 700; font-size: 15px; letter-spacing: .04em;
  color: var(--ink);
  background: linear-gradient(150deg, var(--gold-2), var(--gold));
  box-shadow: 0 6px 18px -8px var(--scope-glow), 0 0 0 1px rgba(0,0,0,.2) inset;
}
.id-text { min-width: 0; }
.id-text h1 {
  margin: 0;
  font-size: clamp(15px, 1.5vw, 19px);
  font-weight: 680;
  letter-spacing: -0.01em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.id-text .eyebrow { margin-top: 3px; }

/* indicator lamps */
.bezel-lamps { display: flex; gap: 10px; }
.lamp {
  display: flex; align-items: center; gap: 9px;
  padding: 8px 13px;
  border: 1px solid var(--hair-2);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.012);
}
.lamp .led {
  width: 7px; height: 7px; border-radius: 50%; flex: none;
  background: var(--gold);
  box-shadow: 0 0 0 3px var(--gold-soft), 0 0 9px var(--scope-glow);
  animation: lampPulse 2.6s var(--ease) infinite;
}
.lamp-text { display: flex; flex-direction: column; line-height: 1.15; }
.lamp-text span { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--faint); }
.lamp-text strong { font-size: 12.5px; font-weight: 600; color: var(--text); }

.bezel-tools { display: flex; align-items: center; gap: 10px; }
.connection-pill {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 13px;
  border: 1px solid var(--hair-2);
  border-radius: 999px;
  font-size: 12px; color: var(--muted);
  background: rgba(255, 255, 255, 0.012);
}
.connection-pill strong { color: var(--text); font-weight: 600; font-family: var(--font-mono); font-size: 11.5px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--faint); flex: none; }
.dot.ok { background: var(--gain); box-shadow: 0 0 9px rgba(67, 197, 149, .6); animation: lampPulse 2.6s var(--ease) infinite; }
.dot.danger { background: var(--loss); box-shadow: 0 0 9px rgba(237, 94, 114, .6); }
.time-pill {
  font-family: var(--font-mono); font-size: 12px; color: var(--muted);
  padding: 8px 12px; border: 1px solid var(--hair-2); border-radius: 999px;
  background: rgba(255, 255, 255, 0.012); white-space: nowrap;
}
.select-control, .icon-toggle {
  font-family: var(--font-mono);
  border: 1px solid var(--hair-2);
  background: rgba(255, 255, 255, 0.012);
  color: var(--text);
  border-radius: var(--radius-sm);
  height: 36px;
  cursor: pointer;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}
.select-control { padding: 0 10px; font-size: 12px; }
.icon-toggle { width: 38px; font-size: 15px; }
.select-control:hover, .icon-toggle:hover { border-color: var(--gold-line); background: var(--gold-soft); }
.select-control:focus-visible, .icon-toggle:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

/* ============================================================
   LAYOUT GRID
   ============================================================ */
.grid {
  display: grid;
  grid-template-columns: minmax(0, 1.62fr) minmax(300px, 1fr);
  gap: var(--gap);
  margin-top: var(--gap);
}
.col-main { display: grid; gap: var(--gap); align-content: start; min-width: 0; }
.col-side { display: grid; gap: var(--gap); align-content: start; }
.strip {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1.05fr 1.25fr 1fr;
  gap: var(--gap);
}

/* ============================================================
   PANEL  (calibrated instrument frame)
   ============================================================ */
.panel {
  position: relative;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.014), transparent 120px),
    var(--panel);
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: 0 22px 46px -34px rgba(0, 0, 0, 0.9);
  animation: rise .55s var(--ease) both;
}
/* gold calibration tick, top-left of every panel */
.panel::before {
  content: "";
  position: absolute;
  top: -1px; left: 20px;
  width: 34px; height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
  border-radius: 2px;
}

.panel-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 12px; margin-bottom: 14px;
}
.panel-head h2 {
  margin: 0; font-size: 13px; font-weight: 650; letter-spacing: 0.02em;
  display: flex; align-items: center; gap: 9px;
}
.panel-head h2::before {
  content: ""; width: 5px; height: 5px; border-radius: 1px;
  background: var(--gold); transform: rotate(45deg); flex: none;
}
.panel-head p { margin: 5px 0 0; }
.panel-head .eyebrow { margin: 5px 0 0; }
.head-count {
  font-family: var(--font-mono); font-size: 11px; color: var(--muted);
  border: 1px solid var(--hair-2); border-radius: 7px; padding: 3px 8px;
}

/* ============================================================
   SCOPE  (equity hero)
   ============================================================ */
.scope { padding-bottom: 16px; }
.scope-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 14px; flex-wrap: wrap; margin-bottom: 14px;
}
.scope-read { display: flex; align-items: baseline; gap: 12px; }
.scope-read .equity-now {
  font-family: var(--font-mono); font-variant-numeric: tabular-nums;
  font-size: clamp(26px, 3.6vw, 40px); font-weight: 600; line-height: 1;
  letter-spacing: -0.01em;
}
.delta { font-family: var(--font-mono); font-size: 13px; font-weight: 600; padding: 3px 8px; border-radius: 7px; }
.delta.pos { color: var(--gain); background: rgba(67, 197, 149, .1); }
.delta.neg { color: var(--loss); background: rgba(237, 94, 114, .1); }
.delta.flat { color: var(--muted); background: rgba(126, 140, 157, .1); }

.seal-tag {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--gold); padding: 5px 10px; border: 1px solid var(--gold-line);
  border-radius: 7px; background: var(--gold-soft); white-space: nowrap;
}

.scope-screen {
  position: relative;
  border-radius: 10px;
  background: var(--chart-screen);
  border: 1px solid var(--hair);
  overflow: hidden;
}
.scope-screen canvas { display: block; width: 100%; height: 360px; }
.scope-foot {
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  margin-top: 12px; font-family: var(--font-mono); font-size: 11.5px; color: var(--muted);
}
.scope-foot #updatedAt, .scope-foot #pnlHint { color: var(--text); }

/* corner registration brackets */
.bracket { position: absolute; width: 14px; height: 14px; border: 1.5px solid var(--gold-line); z-index: 2; opacity: .8; }
.bracket.tl { top: 9px; left: 9px; border-right: 0; border-bottom: 0; }
.bracket.tr { top: 9px; right: 9px; border-left: 0; border-bottom: 0; }
.bracket.bl { bottom: 9px; left: 9px; border-right: 0; border-top: 0; }
.bracket.br { bottom: 9px; right: 9px; border-left: 0; border-top: 0; }

/* sweeping scanline */
.scanline {
  position: absolute; inset: 0; pointer-events: none; z-index: 1;
  background: linear-gradient(90deg, transparent, var(--gold-soft) 48%, transparent);
  width: 36%;
  transform: translateX(-40%);
  animation: sweep 6.5s linear infinite;
  opacity: .5;
}

/* ============================================================
   KPI RAIL
   ============================================================ */
.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap); }
.kpi {
  position: relative;
  padding: 16px 16px 18px;
  border: 1px solid var(--edge); border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,.014), transparent 90px), var(--panel);
  overflow: hidden;
  animation: rise .55s var(--ease) both;
}
.kpi .eyebrow { margin-bottom: 12px; }
.kpi .kpi-val {
  font-family: var(--font-mono); font-variant-numeric: tabular-nums;
  font-size: clamp(22px, 2.4vw, 30px); font-weight: 600; line-height: 1; letter-spacing: -0.01em;
}
.kpi .kpi-rule { margin-top: 14px; height: 2px; border-radius: 2px; background: var(--hair-2); position: relative; overflow: hidden; }
.kpi .kpi-rule::after {
  content: ""; position: absolute; inset: 0; width: 38%;
  background: var(--gold); border-radius: 2px;
}
.kpi.is-gain .kpi-val { color: var(--gain); }
.kpi.is-gain .kpi-rule::after { background: var(--gain); }
.kpi.is-loss .kpi-val { color: var(--loss); }
.kpi.is-loss .kpi-rule::after { background: var(--loss); width: 30%; }
.kpi-sub { font-family: var(--font-mono); font-size: 10.5px; color: var(--faint); margin-top: 8px; letter-spacing: .04em; }

/* ============================================================
   TABLES & LISTS
   ============================================================ */
.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; }
thead th {
  text-align: left; font-family: var(--font-mono); font-weight: 500;
  font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--faint);
  padding: 0 10px 10px; border-bottom: 1px solid var(--hair);
}
tbody td { padding: 11px 10px; border-bottom: 1px solid var(--hair); font-size: 13px; vertical-align: middle; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr { transition: background .18s var(--ease); }
tbody tr:hover { background: rgba(255, 255, 255, 0.02); }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.strong { font-weight: 600; }
td.empty, .empty {
  color: var(--faint); text-align: center; padding: 26px 10px;
  font-size: 12.5px; font-family: var(--font-mono); letter-spacing: .05em;
}

/* status as LED + label (replaces loud pills) */
.badge {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .03em;
  color: var(--muted);
}
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--faint); }
.badge.green { color: var(--text); }
.badge.green::before { background: var(--gain); box-shadow: 0 0 7px rgba(67, 197, 149, .55); }
.badge.amber { color: var(--text); }
.badge.amber::before { background: var(--gold); box-shadow: 0 0 7px var(--scope-glow); }
.badge.blue { color: var(--muted); }
.badge.blue::before { background: #5b86c4; }

.signal-list, .position-list { display: flex; flex-direction: column; }
.signal-row, .position-row {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 11px 2px; border-bottom: 1px solid var(--hair);
}
.signal-row:last-child, .position-row:last-child { border-bottom: 0; }
.signal-row strong, .position-row strong { font-size: 13px; font-weight: 600; }
.signal-row small, .position-row small {
  display: block; margin-top: 3px; color: var(--faint);
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .03em;
}
.position-row .mono, .signal-row .mono { font-family: var(--font-mono); }
.signal-row b {
  font-family: var(--font-mono); font-size: 11px; font-weight: 600; letter-spacing: .06em;
  text-transform: uppercase; color: var(--gold);
  padding: 4px 9px; border: 1px solid var(--gold-line); border-radius: 7px; background: var(--gold-soft);
  white-space: nowrap;
}
.position-row span { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: 14px; font-weight: 600; }
.position-row span.pos { color: var(--gain); }
.position-row span.neg { color: var(--loss); }

/* risk control facts */
.risk-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.risk-grid > div {
  display: flex; flex-direction: column; gap: 6px;
  padding: 13px; border: 1px solid var(--hair); border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.012);
}
.risk-grid span {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: .16em;
  text-transform: uppercase; color: var(--faint);
}
.risk-grid strong { font-size: 14px; font-weight: 600; font-family: var(--font-mono); }

/* mini scope */
.mini-chart-panel canvas { display: block; width: 100%; height: 150px; border-radius: 9px; background: var(--chart-screen); border: 1px solid var(--hair); }

/* ============================================================
   MOTION
   ============================================================ */
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes lampPulse { 0%, 100% { opacity: 1; } 50% { opacity: .42; } }
@keyframes sweep { 0% { transform: translateX(-110%); } 100% { transform: translateX(360%); } }

.panel:nth-child(2), .kpi:nth-child(2) { animation-delay: .04s; }
.kpi:nth-child(3) { animation-delay: .08s; }
.kpi:nth-child(4) { animation-delay: .12s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1080px) {
  .grid { grid-template-columns: 1fr; }
  .strip { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .bezel { grid-template-columns: 1fr; }
  .bezel-lamps { flex-wrap: wrap; }
  .bezel-tools { flex-wrap: wrap; }
  .kpis { grid-template-columns: 1fr 1fr; }
  .scope-screen canvas { height: 280px; }
}
@media (max-width: 440px) {
  .risk-grid { grid-template-columns: 1fr; }
  .lamp { flex: 1 1 auto; }
}