:root {
  --bg: #FAFAFA; --surface: #FFFFFF; --border: #EDEDEA;
  --ink: #2B2B2B; --muted: #6B6B6B; --faint: #8A8A8A;
  --accent: #2D4A6B; --accent-mid: #4F6FA0; --data: #3D6FBA;
  --yes: #2E6B4F; --no: #8A3B3B;
}
* { box-sizing: border-box; margin: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  background: var(--bg); color: var(--ink); line-height: 1.55;
  display: flex; flex-direction: column; min-height: 100vh;
}
.wrap { max-width: 960px; margin: 0 auto; padding: 0 1.2rem; width: 100%; }
main { flex: 1; padding-bottom: 3rem; }
a { color: var(--accent-mid); text-decoration: none; }
a:hover { text-decoration: underline; }

.top { background: var(--surface); border-bottom: 1px solid var(--border); }
.nav { display: flex; align-items: center; justify-content: space-between;
  padding: 0.8rem 1.2rem; flex-wrap: wrap; gap: 0.5rem; }
.brand { font-size: 1.25rem; font-weight: 700; color: var(--accent); letter-spacing: -0.02em; }
.brand span { color: var(--accent-mid); font-weight: 400; }
.nav nav { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.nav nav a { color: var(--ink); }
.me { color: var(--muted); font-size: 0.85rem; }

.btn { display: inline-block; background: var(--accent); color: #fff !important;
  border: 1px solid var(--accent); border-radius: 8px; padding: 0.55rem 1.2rem;
  font-size: 0.95rem; cursor: pointer; font-family: inherit; }
.btn:hover { background: var(--accent-mid); border-color: var(--accent-mid); text-decoration: none; }
.btn.big { padding: 0.75rem 1.6rem; font-size: 1.05rem; }
.btn.small { padding: 0.3rem 0.8rem; font-size: 0.85rem; }
.btn.ghost { background: transparent; color: var(--accent) !important; }
.btn.ghost:hover { background: var(--border); }
.btn.yes { background: var(--yes); border-color: var(--yes); }
.btn.no { background: var(--no); border-color: var(--no); }

.flash { background: #EEF3FA; border: 1px solid #D5E0EF; color: var(--accent);
  border-radius: 8px; padding: 0.6rem 1rem; margin: 1rem 0 0; }

h1 { font-size: 1.7rem; letter-spacing: -0.02em; margin: 2rem 0 0.8rem; }
h2 { font-size: 1.25rem; margin: 2.2rem 0 0.8rem; }
h3 { font-size: 1.02rem; margin-bottom: 0.5rem; }
.muted { color: var(--muted); }
.tiny { font-size: 0.82rem; color: var(--faint); }
.crumbs { margin-top: 1.5rem; font-size: 0.9rem; }

.hero { text-align: center; padding: 4rem 0 2.5rem; }
.hero h1 { font-size: 2.4rem; margin: 0 0 1rem; }
.hero em { color: var(--accent-mid); font-style: normal; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 620px; margin: 0 auto 1.8rem; }
.cta-row { display: flex; gap: 0.8rem; justify-content: center; flex-wrap: wrap; margin-bottom: 0.8rem; }
.strip { background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  padding: 1.2rem 1.6rem; text-align: center; color: var(--muted); margin: 1rem 0 2.5rem; }
.cols3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem; }
.cols2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; align-items: start; }
.benefits { margin-top: 3rem; }
.benefits p { margin-bottom: 0.8rem; }
.checks { list-style: none; padding: 0; }
.checks li { padding-left: 1.6rem; position: relative; margin-bottom: 0.5rem; }
.checks li::before { content: "✓"; position: absolute; left: 0; color: var(--yes); font-weight: 700; }
.cta-end { text-align: center; padding: 3rem 0 1rem; }
.cta-end p { color: var(--muted); margin-bottom: 1.2rem; }

.card { background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; padding: 1.2rem 1.4rem; margin-bottom: 1rem; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1rem; }
.card.market { display: block; color: var(--ink); }
.card.market:hover { border-color: var(--accent-mid); text-decoration: none; }
.card.market.dim { opacity: 0.85; }
.big-num { font-size: 1.6rem; font-weight: 700; color: var(--accent); margin-right: 0.5rem; }
.bar { height: 6px; background: var(--border); border-radius: 3px; margin-top: 0.5rem; overflow: hidden; }
.fill { height: 100%; background: var(--data); border-radius: 3px; }
.meta { display: flex; flex-wrap: wrap; gap: 0.4rem 1rem; margin-top: 0.8rem;
  font-size: 0.85rem; color: var(--muted); align-items: center; }
.big-meta { font-size: 0.95rem; margin: 0.5rem 0 1.2rem; }
.pill { display: inline-block; background: var(--border); border-radius: 999px;
  padding: 0.1rem 0.7rem; font-size: 0.8rem; color: var(--ink); }
.pill.open { background: #E7EEF7; color: var(--accent); }
.pill.yes { background: #E4F0EA; color: var(--yes); font-weight: 600; }
.pill.no { background: #F5E7E7; color: var(--no); font-weight: 600; }

.chart { width: 100%; height: auto; display: block; }

.tipform { margin-top: 0.5rem; }
.slider-row { display: flex; align-items: center; gap: 0.8rem; margin: 1rem 0 0.3rem; }
.slider-row .end { font-size: 0.78rem; color: var(--faint); white-space: nowrap; }
input[type=range] { flex: 1; accent-color: var(--data); }
.slider-value { text-align: center; font-size: 1.8rem; font-weight: 700;
  color: var(--accent); margin-bottom: 1rem; }

.authbox { max-width: 420px; margin: 3rem auto; background: var(--surface);
  border: 1px solid var(--border); border-radius: 12px; padding: 2rem; }
.authbox h1 { margin-top: 0; }
label { display: block; margin-bottom: 0.9rem; font-size: 0.9rem; font-weight: 600; }
input:not([type=range]), textarea { display: block; width: 100%; margin-top: 0.3rem;
  padding: 0.55rem 0.7rem; border: 1px solid var(--border); border-radius: 8px;
  font-size: 0.95rem; font-family: inherit; background: var(--bg); }
input:focus, textarea:focus { outline: 2px solid var(--accent-mid); border-color: transparent; }

table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th { text-align: left; color: var(--faint); font-weight: 600; font-size: 0.8rem;
  text-transform: uppercase; letter-spacing: 0.04em; padding: 0.4rem 0.6rem;
  border-bottom: 1px solid var(--border); }
td { padding: 0.55rem 0.6rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr.first td { background: #FBF8EF; }
.actions { display: flex; gap: 0.3rem; flex-wrap: wrap; }
.actions form { display: inline; }
.invite { font-size: 1.15rem; background: var(--bg); border: 1px dashed var(--accent-mid);
  border-radius: 8px; padding: 0.25rem 0.7rem; letter-spacing: 0.08em; color: var(--accent); }
.memberlist { list-style: none; padding: 0; font-size: 0.9rem; }
.memberlist li { padding: 0.25rem 0; border-bottom: 1px solid var(--border); }
.memberlist li:last-child { border-bottom: none; }

footer { background: var(--surface); border-top: 1px solid var(--border);
  padding: 1.2rem 0; font-size: 0.82rem; color: var(--faint); text-align: center; }
@media (max-width: 600px) {
  .hero h1 { font-size: 1.7rem; }
  .hero { padding-top: 2.5rem; }
  table { font-size: 0.82rem; }
}

.price-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
.price-box { border-radius: 12px; padding: 0.9rem 1.2rem; font-size: 0.95rem;
  display: flex; flex-direction: column; gap: 0.1rem; border: 1px solid var(--border);
  background: var(--surface); }
.price-box strong { font-size: 1.7rem; letter-spacing: -0.02em; }
.yes-box { border-left: 4px solid var(--yes); }
.yes-box strong { color: var(--yes); }
.no-box { border-left: 4px solid var(--no); }
.no-box strong { color: var(--no); }
.trade-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-top: 0.8rem; }
.tradeform label { font-weight: 400; color: var(--muted); font-size: 0.85rem; }
.tradeform .btn { width: 100%; margin-top: 0.4rem; }
.depot-pos { display: flex; justify-content: space-between; align-items: center;
  gap: 1rem; flex-wrap: wrap; padding: 0.5rem 0; border-bottom: 1px solid var(--border); }
.depot-pos:last-child { border-bottom: none; }
.sellform { display: flex; gap: 0.4rem; align-items: center; }
.sellform input { width: 90px; margin-top: 0; }
@media (max-width: 600px) {
  .price-row, .trade-row { grid-template-columns: 1fr; }
}