:root {
  --trust-black: #1C252B;
  --white: #FFFFFF;
  --fresh-green: #CFFC54;
  --friendly-purple: #D6DAF3;
  --honest-green: #DAE4D7;
  --expert-green: #597A77;
  --bold-orange: #FF5C00;
  --muted: rgba(255,255,255,.68);
  --panel: rgba(255,255,255,.065);
  --border: rgba(218,228,215,.18);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--white);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 10% 8%, rgba(207,252,84,.14), transparent 30rem),
    radial-gradient(circle at 94% 12%, rgba(255,92,0,.12), transparent 24rem),
    linear-gradient(135deg, #141d22, var(--trust-black));
}
.shell { width: min(1360px, calc(100% - 32px)); margin: 0 auto; padding: 24px 0 48px; }
.topbar { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; color: var(--muted); margin: 0 4px 16px; font-size: .9rem; }
.topbar a { color: var(--fresh-green); text-decoration: none; font-weight: 900; }
.hero { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 18px; align-items: stretch; margin-bottom: 18px; }
.hero > div:first-child, .score-card, .panel { border: 1px solid var(--border); background: var(--panel); border-radius: 28px; box-shadow: 0 24px 80px rgba(0,0,0,.22); }
.hero > div:first-child { padding: 30px; }
.eyebrow { margin: 0 0 8px; color: var(--fresh-green); text-transform: uppercase; font-size: .72rem; font-weight: 900; letter-spacing: .15em; }
h1 { font-size: clamp(2.4rem, 6vw, 5.6rem); line-height: .9; margin: 0 0 16px; letter-spacing: 0; }
h2 { margin: 0; font-size: 1.08rem; letter-spacing: 0; }
h3 { margin: 0 0 10px; color: var(--honest-green); font-size: .95rem; letter-spacing: 0; }
.lede { color: var(--muted); max-width: 860px; line-height: 1.55; margin: 0; font-size: 1.05rem; }
.score-card { padding: 26px; display: grid; align-content: center; }
.score-card span, .score-card small { color: var(--muted); }
.score-card strong { font-size: 1.95rem; color: var(--fresh-green); margin: 6px 0; line-height: 1.05; }
.score-card.negative strong { color: var(--bold-orange); }
.grid { display: grid; grid-template-columns: 370px minmax(0, 1fr); gap: 18px; margin-bottom: 18px; }
.panel { padding: 22px; }
.panel-head { display: flex; justify-content: space-between; gap: 12px; align-items: center; margin-bottom: 16px; }
label { display: grid; gap: 8px; color: var(--honest-green); font-weight: 800; margin-bottom: 16px; }
.label-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.tip { position: relative; flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; width: 18px; height: 18px; margin-left: 4px; border: 1px solid var(--border); border-radius: 999px; color: var(--fresh-green); background: rgba(0,0,0,.2); font-size: .72rem; font-weight: 900; cursor: help; vertical-align: middle; }
.tip::after { content: attr(data-tip); position: absolute; left: 50%; bottom: calc(100% + 10px); transform: translateX(-50%) translateY(4px); width: min(280px, 78vw); padding: 10px 12px; border: 1px solid var(--border); border-radius: 12px; background: rgba(28,37,43,.98); color: var(--white); box-shadow: 0 16px 40px rgba(0,0,0,.32); line-height: 1.35; font-size: .82rem; font-weight: 700; letter-spacing: 0; text-transform: none; opacity: 0; pointer-events: none; transition: opacity .15s ease, transform .15s ease; z-index: 10; }
.tip::before { content: ''; position: absolute; left: 50%; bottom: calc(100% + 4px); transform: translateX(-50%); border: 6px solid transparent; border-top-color: rgba(28,37,43,.98); opacity: 0; transition: opacity .15s ease; z-index: 11; }
.tip:hover::after, .tip:focus::after, .tip:hover::before, .tip:focus::before { opacity: 1; transform: translateX(-50%) translateY(0); }
.tip:focus { outline: 2px solid var(--fresh-green); outline-offset: 2px; }
.input-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
input { width: 100%; border: 1px solid var(--border); border-radius: 14px; padding: 12px 13px; background: rgba(0,0,0,.24); color: var(--white); }
input[type="range"] { accent-color: var(--fresh-green); padding: 0; }
button { border: 0; border-radius: 14px; padding: 12px 14px; background: var(--fresh-green); color: var(--trust-black); font-weight: 900; cursor: pointer; }
button:hover { filter: brightness(1.04); transform: translateY(-1px); }
button.ghost { background: transparent; color: var(--white); border: 1px solid var(--border); }
.note { color: var(--muted); line-height: 1.45; margin: 18px 0 0; font-size: .9rem; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 16px; }
.stats article { border: 1px solid var(--border); background: rgba(255,255,255,.045); border-radius: 20px; padding: 16px; min-width: 0; }
.stats span { display: block; color: var(--fresh-green); font-size: 1.2rem; font-weight: 900; overflow-wrap: anywhere; }
.stats small { color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.stats .negative { color: var(--bold-orange); }
.result-strip { display: grid; grid-template-columns: 1fr; gap: 12px; margin-bottom: 16px; }
.result-strip > div { border-radius: 18px; border: 1px solid var(--border); background: rgba(255,255,255,.045); padding: 16px; }
.result-strip strong { color: var(--white); line-height: 1.4; }
.chart-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.chart-wrap { border: 1px solid var(--border); border-radius: 22px; background: rgba(0,0,0,.18); padding: 14px; overflow: hidden; }
canvas { display: block; width: 100%; height: auto; }
.strategy-panel { margin-bottom: 18px; }
.pill { border: 1px solid var(--border); border-radius: 999px; padding: 7px 10px; color: var(--honest-green); background: rgba(255,255,255,.045); font-size: .85rem; font-weight: 900; }
.strategy-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.strategy-card { border: 1px solid var(--border); border-radius: 20px; background: rgba(255,255,255,.045); padding: 16px; }
.strategy-card .meta { color: var(--muted); line-height: 1.45; margin: 8px 0 12px; }
.strategy-card strong { display: block; color: var(--fresh-green); font-size: 1.25rem; }
.strategy-card strong.negative { color: var(--bold-orange); }
.strategy-card small { color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.explainer { margin-top: 18px; }
.explainer ol { margin: 14px 0 0; padding-left: 1.25rem; }
.explainer li { color: var(--muted); line-height: 1.6; margin: 8px 0; }
.explainer strong { color: var(--white); }
.footer { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; color: var(--muted); padding: 20px 4px 0; font-size: .9rem; }
@media (max-width: 1100px) {
  .hero, .grid, .chart-grid, .result-strip { grid-template-columns: 1fr; }
  .stats, .strategy-cards { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .stats, .strategy-cards, .input-pair { grid-template-columns: 1fr; }
  .shell { width: min(100% - 20px, 1360px); }
  .panel-head { align-items: flex-start; flex-direction: column; }
  .panel-head .pill { border-radius: 14px; }
}