:root {
  --bg: #0d1117;
  --panel: #161b22;
  --panel-2: #1c2330;
  --border: #2a3441;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #14b8a6;
  --accent-dark: #0f766e;
  --red: #f85149;
  --green: #3fb950;
  --amber: #d29922;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

/* Header */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-icon { width: 42px; height: 42px; border-radius: 10px; }
.brand h1 { margin: 0; font-size: 1.5rem; letter-spacing: 0.5px; }
.tagline { margin: 0; color: var(--muted); font-size: 0.85rem; }
.site-nav { display: flex; gap: 8px; flex-wrap: wrap; }
.nav-btn {
  padding: 8px 14px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.85rem;
  border: 1px solid var(--border);
  color: var(--text);
  background: var(--panel-2);
  transition: filter 0.15s;
}
.nav-btn:hover { filter: brightness(1.25); }
.nav-btn.trade { background: linear-gradient(135deg, #9945ff, #14f195); border-color: transparent; color: #fff; }
.nav-btn.claude { background: #d97757; border-color: #d97757; color: #fff; }
.nav-btn.perps { background: #22c55e; border-color: #22c55e; color: #052e14; }
.nav-btn.metals { background: #d4af37; border-color: #d4af37; color: #241a02; }
.nav-btn.ag { background: linear-gradient(135deg, #22c55e, #d4af37); border-color: transparent; color: #08130a; }
.nav-btn.clef { background: #f6821f; border-color: #f6821f; color: #2a1502; }
.nav-btn.ponies { background: #b45309; border-color: #b45309; color: #fff; }

/* Hero */
.hero { text-align: center; padding: 56px 20px 40px; max-width: 860px; margin: 0 auto; }
.demo-ribbon {
  display: inline-block;
  background: var(--amber);
  color: #1a1206;
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 1.5px;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 18px;
}
.hero h2 { font-size: 2.4rem; margin: 0 0 12px; }
.hero .accent { color: var(--accent); }
.hero .sub { color: var(--muted); font-size: 1.05rem; max-width: 640px; margin: 0 auto 26px; }
.search-box { display: flex; gap: 0; max-width: 560px; margin: 0 auto; }
.search-box input {
  flex: 1;
  padding: 14px 18px;
  font-size: 1rem;
  border: 1px solid var(--border);
  border-right: none;
  border-radius: 10px 0 0 10px;
  background: var(--panel);
  color: var(--text);
  outline: none;
}
.search-box input:focus { border-color: var(--accent); }
.search-box button {
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 700;
  border: none;
  border-radius: 0 10px 10px 0;
  background: var(--accent-dark);
  color: #fff;
  cursor: pointer;
}
.search-box button:hover { background: var(--accent); }
.fineprint { color: var(--muted); font-size: 0.8rem; margin-top: 14px; }

/* Results */
.results { max-width: 1100px; margin: 0 auto; padding: 10px 20px 30px; }
.hidden { display: none !important; }
.results-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.results-head h3 { margin: 0; font-size: 1.3rem; }
.sample-badge {
  background: var(--amber);
  color: #1a1206;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.8px;
  padding: 4px 12px;
  border-radius: 14px;
}
.lock-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  background: linear-gradient(135deg, #123b37, #0d2b29);
  border: 1px solid var(--accent-dark);
  border-radius: 12px;
  padding: 16px 20px;
  margin-bottom: 16px;
}
.lock-banner strong { color: var(--accent); }
.lock-banner span { color: var(--muted); font-size: 0.9rem; margin-left: 8px; }
.btn-unlock {
  background: var(--accent);
  color: #04211d;
  font-weight: 800;
  font-size: 0.95rem;
  border: none;
  border-radius: 10px;
  padding: 12px 22px;
  cursor: pointer;
  white-space: nowrap;
}
.btn-unlock:hover { filter: brightness(1.15); }
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; font-size: 0.88rem; background: var(--panel); }
thead th {
  text-align: left;
  padding: 12px 10px;
  background: var(--panel-2);
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  white-space: nowrap;
}
tbody td { padding: 11px 10px; border-top: 1px solid var(--border); white-space: nowrap; }
tbody tr:hover { background: rgba(20, 184, 166, 0.06); }
.addr { font-weight: 600; }
.specs { color: var(--muted); }
.price { font-weight: 700; }
/* Locked columns: blurred until unlocked */
body.locked .est-col { filter: blur(7px); user-select: none; pointer-events: none; }
.gap-over { color: var(--red); font-weight: 700; }
.gap-under { color: var(--green); font-weight: 700; }
.gap-fair { color: var(--muted); }
.verdict {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 12px;
  letter-spacing: 0.4px;
}
.verdict.over { background: rgba(248, 81, 73, 0.15); color: var(--red); border: 1px solid var(--red); }
.verdict.under { background: rgba(63, 185, 80, 0.15); color: var(--green); border: 1px solid var(--green); }
.verdict.fair { background: rgba(139, 148, 158, 0.15); color: var(--muted); border: 1px solid var(--muted); }
.conf { color: var(--muted); }

/* How it works */
.how { max-width: 860px; margin: 0 auto; padding: 30px 20px 50px; }
.how h3 { font-size: 1.25rem; margin-bottom: 10px; }
.how ol { color: var(--muted); padding-left: 22px; }
.how li { margin-bottom: 8px; }
.how strong { color: var(--text); }
.disclaimer {
  margin-top: 18px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-left: 3px solid var(--amber);
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.85rem;
  background: var(--panel);
}

footer {
  text-align: center;
  padding: 22px;
  color: var(--muted);
  font-size: 0.8rem;
  border-top: 1px solid var(--border);
}

/* Paywall modal */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  z-index: 100;
}
.modal-card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  max-width: 460px;
  width: 100%;
  padding: 28px 26px 24px;
  text-align: center;
  max-height: 92vh;
  overflow-y: auto;
}
.demo-mode-banner {
  background: var(--amber);
  color: #1a1206;
  font-weight: 800;
  letter-spacing: 1.5px;
  font-size: 0.78rem;
  padding: 7px;
  border-radius: 8px;
  margin-bottom: 16px;
}
.modal-close {
  position: absolute;
  top: 10px;
  right: 14px;
  background: none;
  border: none;
  color: var(--muted);
  font-size: 1.6rem;
  cursor: pointer;
}
.modal-card h3 { margin: 0 0 4px; font-size: 1.3rem; }
.pay-sub { color: var(--muted); font-size: 0.85rem; margin: 0 0 16px; }
.pay-price { margin-bottom: 18px; }
.pay-usd { font-size: 2rem; font-weight: 800; }
.pay-xmr { font-size: 1.15rem; color: var(--accent); font-weight: 700; margin-top: 2px; }
.pay-rate { color: var(--muted); font-size: 0.75rem; margin-top: 4px; }
.pay-addr-block label { display: block; color: var(--muted); font-size: 0.8rem; margin-bottom: 8px; }
.pay-address {
  display: block;
  background: var(--bg);
  border: 1px dashed var(--amber);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.8rem;
  color: var(--amber);
  word-break: break-all;
  margin-bottom: 14px;
}
.qr-wrap { position: relative; display: inline-block; margin-bottom: 14px; }
#pay-qr { border: 8px solid #fff; border-radius: 8px; background: #fff; }
.qr-watermark {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 2rem;
  letter-spacing: 6px;
  color: rgba(210, 153, 34, 0.55);
  transform: rotate(-18deg);
  pointer-events: none;
}
.pay-status { min-height: 24px; color: var(--muted); font-size: 0.88rem; margin-bottom: 12px; }
.pay-status.ok { color: var(--green); font-weight: 700; }
.btn-pay, .btn-simulate {
  display: block;
  width: 100%;
  padding: 13px;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  margin-bottom: 10px;
  border: none;
}
.btn-pay { background: var(--accent-dark); color: #fff; }
.btn-pay:hover { background: var(--accent); }
.btn-simulate { background: transparent; color: var(--amber); border: 1px dashed var(--amber); }
.btn-simulate:hover { background: rgba(210, 153, 34, 0.12); }

@media (max-width: 640px) {
  .hero h2 { font-size: 1.8rem; }
  .site-header { padding: 12px 14px; }
  table { font-size: 0.78rem; }
}