:root {
  --bg: #08100e;
  --panel: #101a17;
  --panel-2: #14231e;
  --line: #294038;
  --text: #f2f7f4;
  --muted: #91a49d;
  --lime: #c8ff4f;
  --green: #4ee8a4;
  --orange: #ffae57;
  --red: #ff6b6b;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 85% 0%, rgba(78,232,164,.12), transparent 28rem),
    radial-gradient(circle at 0% 25%, rgba(200,255,79,.06), transparent 24rem),
    var(--bg);
  font-family: Inter, "Noto Sans TC", system-ui, sans-serif;
}
main { width: min(1180px, calc(100% - 32px)); margin: 0 auto; padding: 54px 0 80px; }
header { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; margin-bottom: 28px; }
.header-actions { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 10px; }
.language-control { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 12px; }
.language-control select { width: auto; color: var(--text); background: #0b1411; border: 1px solid var(--line); border-radius: 99px; padding: 9px 30px 9px 12px; font: inherit; }
.eyebrow { margin: 0 0 10px; color: var(--lime); font: 700 12px/1.2 ui-monospace, monospace; letter-spacing: .18em; }
h1 { margin: 0; font-size: clamp(42px, 7vw, 78px); line-height: .95; letter-spacing: -.055em; }
.subtitle { max-width: 690px; color: var(--muted); font-size: 17px; line-height: 1.65; }
.badge { border: 1px solid var(--line); border-radius: 99px; padding: 10px 15px; color: var(--muted); white-space: nowrap; }
.panel { background: linear-gradient(145deg, rgba(20,35,30,.96), rgba(13,23,20,.96)); border: 1px solid var(--line); border-radius: 18px; box-shadow: 0 20px 60px rgba(0,0,0,.18); }
.controls { padding: 18px; display: grid; grid-template-columns: 1fr 1fr auto auto; gap: 12px; align-items: end; }
.field { display: flex; flex-direction: column; gap: 7px; }
label, .label { color: var(--muted); font-size: 12px; letter-spacing: .04em; }
input { width: 100%; color: var(--text); background: #0b1411; border: 1px solid var(--line); border-radius: 10px; padding: 11px 12px; font: inherit; }
button { border-radius: 10px; border: 1px solid transparent; padding: 12px 18px; font-weight: 750; cursor: pointer; transition: transform .15s, opacity .15s; }
button:hover { transform: translateY(-1px); }
button:disabled { opacity: .5; cursor: wait; transform: none; }
.primary { color: #0a100e; background: var(--lime); }
.secondary { color: var(--text); background: transparent; border-color: var(--line); }
.message { grid-column: 1 / -1; margin: 0; min-height: 1.4em; color: var(--muted); }
.message.error { color: var(--red); }
.progress { grid-column: 1 / -1; position: relative; overflow: hidden; min-height: 34px; border-radius: 8px; background: #07100d; }
#progressBar { position: absolute; inset: 0 auto 0 0; width: 0; background: rgba(200,255,79,.2); transition: width .2s; }
#progressText { position: relative; display: block; padding: 8px 12px; color: var(--muted); font-size: 12px; }
#results { margin-top: 18px; }
.score-card { padding: 26px; display: grid; grid-template-columns: .8fr 2fr; gap: 34px; }
.score-line { display: flex; align-items: baseline; gap: 7px; }
.score-line strong { font-size: 76px; line-height: 1; letter-spacing: -.06em; }
.score-line span { color: var(--muted); }
.regime { display: inline-block; margin: 10px 0 0; padding: 6px 10px; border-radius: 6px; color: #07100d; background: var(--lime); font-weight: 800; }
.factor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.factor-grid div { min-width: 0; padding: 18px; border-radius: 12px; background: rgba(7,16,13,.56); border: 1px solid rgba(41,64,56,.7); }
.factor-grid span { display: block; color: var(--muted); font-size: 12px; margin-bottom: 18px; }
.factor-grid strong { font-size: 28px; }
.metric-grid { margin: 12px 0; display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; }
.metric { padding: 18px; border-radius: 14px; background: var(--panel-2); border: 1px solid var(--line); }
.metric span { display: block; color: var(--muted); font-size: 11px; min-height: 28px; }
.metric strong { font-size: 22px; }
.chart-panel { margin-top: 12px; padding: 22px; }
.chart-title { display: flex; align-items: baseline; justify-content: space-between; gap: 18px; }
.chart-title h2 { margin: 0 0 18px; font-size: 17px; }
.chart-title span, .legend { color: var(--muted); font-size: 11px; }
.chart-wrap { position: relative; }
svg { display: block; width: 100%; overflow: visible; }
.grid-line { stroke: rgba(145,164,157,.16); stroke-width: 1; vector-effect: non-scaling-stroke; }
.strategy-line { fill: none; stroke: var(--lime); stroke-width: 2.5; vector-effect: non-scaling-stroke; }
.hold-line { fill: none; stroke: #6d8eff; stroke-width: 1.8; vector-effect: non-scaling-stroke; opacity: .82; }
.score-area { fill: rgba(200,255,79,.10); stroke: var(--lime); stroke-width: 2; vector-effect: non-scaling-stroke; }
.threshold { stroke: rgba(255,255,255,.2); stroke-dasharray: 5 7; vector-effect: non-scaling-stroke; }
.hover-guide { stroke: rgba(242,247,244,.48); stroke-width: 1; stroke-dasharray: 4 4; vector-effect: non-scaling-stroke; pointer-events: none; }
.hover-marker { fill: var(--bg); stroke-width: 2.5; vector-effect: non-scaling-stroke; pointer-events: none; }
.hover-marker.strategy-marker, .hover-marker.score-marker { stroke: var(--lime); }
.hover-marker.hold-marker { stroke: #6d8eff; }
.chart-hit { fill: transparent; cursor: crosshair; }
.chart-tooltip { position: absolute; z-index: 3; min-width: 176px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: rgba(7,16,13,.96); box-shadow: 0 12px 30px rgba(0,0,0,.32); pointer-events: none; color: var(--text); font-size: 12px; line-height: 1.55; }
.chart-tooltip strong { display: block; margin-bottom: 4px; color: var(--lime); }
.tooltip-row { display: flex; justify-content: space-between; gap: 20px; color: var(--muted); }
.tooltip-row b { color: var(--text); font-weight: 700; }
.legend { margin-top: 10px; display: flex; gap: 7px; align-items: center; }
.legend i { width: 16px; height: 2px; margin-left: 10px; }
.legend .strategy { background: var(--lime); }
.legend .hold { background: #6d8eff; }
.settings { margin-top: 12px; padding: 18px 22px; }
summary { cursor: pointer; font-weight: 750; }
.settings-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 18px; }
.settings-note { margin: 12px 0 0; color: var(--muted); font-size: 12px; line-height: 1.6; }
.field-help { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.5; }
.settings-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-top: 18px; }
.settings-state { color: var(--muted); font-size: 12px; }
.settings-state.dirty { color: var(--orange); }
.hidden { display: none !important; }
@media (max-width: 820px) {
  main { width: min(100% - 20px, 1180px); padding-top: 28px; }
  header { display: block; }
  .header-actions { justify-content: flex-start; margin-top: 12px; }
  .badge { display: inline-block; margin-top: 12px; }
  .controls { grid-template-columns: 1fr 1fr; }
  .score-card { grid-template-columns: 1fr; }
  .factor-grid { grid-template-columns: 1fr 1fr; }
  .metric-grid { grid-template-columns: repeat(2, 1fr); }
  .settings-grid { grid-template-columns: 1fr 1fr; }
  .chart-title { align-items: flex-start; flex-direction: column; gap: 0; }
}