:root {
  --bt-bg: #07101c;
  --bt-panel: #0e1a2c;
  --bt-border: rgba(255, 255, 255, 0.08);
  --bt-text: #e8eef7;
  --bt-muted: #8aa0bc;
  --bt-accent: #00afef;
  --bt-orange: #f58634;
  --bt-ok: #3dba7a;
  --bt-warn: #e6b84d;
  --bt-danger: #e25c5c;
  --bt-radius: 12px;
  --bt-font: "DM Sans", system-ui, sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--bt-font);
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(0, 175, 239, 0.18), transparent 55%),
    radial-gradient(ellipse 60% 40% at 90% 0%, rgba(245, 134, 52, 0.12), transparent 50%),
    var(--bt-bg);
  color: var(--bt-text);
}
a { color: var(--bt-accent); }
.bt-top {
  border-bottom: 1px solid var(--bt-border);
  backdrop-filter: blur(10px);
  background: rgba(7, 16, 28, 0.75);
  position: sticky;
  top: 0;
  z-index: 20;
}
.bt-top-inner, .bt-main, .bt-foot-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 1rem 1.25rem;
}
.bt-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.bt-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--bt-text);
  font-weight: 600;
}
.bt-brand span { color: var(--bt-accent); letter-spacing: 0.04em; text-transform: uppercase; font-size: 0.85rem; }
.bt-nav { display: flex; flex-wrap: wrap; gap: 0.35rem; align-items: center; }
.bt-link {
  background: transparent;
  border: 0;
  color: var(--bt-muted);
  font: inherit;
  cursor: pointer;
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
}
.bt-link:hover, .bt-link.active { color: var(--bt-text); background: rgba(255,255,255,0.06); }
.bt-main { padding-top: 1.75rem; padding-bottom: 3rem; min-height: 60vh; }
.bt-foot { border-top: 1px solid var(--bt-border); }
.bt-foot-inner { display: flex; gap: 1rem; flex-wrap: wrap; font-size: 0.9rem; }
.bt-foot a { color: var(--bt-muted); text-decoration: none; }
.bt-foot a:hover { color: var(--bt-text); }

.bt-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  letter-spacing: -0.03em;
  margin: 0 0 0.75rem;
}
.bt-hero p { color: var(--bt-muted); max-width: 40rem; line-height: 1.55; }
.bt-seo-kicker {
  margin: 0 0 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--bt-accent);
}
.bt-seo {
  margin-top: 2.75rem;
  padding-top: 2rem;
  border-top: 1px solid var(--bt-border);
  max-width: 42rem;
}
.bt-seo[hidden] { display: none !important; }
.bt-seo-intro h2,
.bt-seo-block h3 {
  letter-spacing: -0.02em;
  margin: 0 0 0.65rem;
}
.bt-seo-intro h2 {
  font-size: clamp(1.35rem, 3vw, 1.75rem);
}
.bt-seo-block {
  margin-top: 1.75rem;
}
.bt-seo-block h3 {
  font-size: 1.1rem;
}
.bt-seo p,
.bt-seo li {
  color: var(--bt-muted);
  line-height: 1.6;
  font-size: 0.98rem;
}
.bt-seo ul,
.bt-seo ol {
  margin: 0.5rem 0 0;
  padding-left: 1.25rem;
}
.bt-seo li { margin-bottom: 0.4rem; }
.bt-seo a { text-decoration: underline; text-underline-offset: 2px; }
.bt-panel {
  background: var(--bt-panel);
  border: 1px solid var(--bt-border);
  border-radius: var(--bt-radius);
  padding: 1.25rem;
  margin-top: 1.25rem;
}
.bt-panel h2 { margin: 0 0 1rem; font-size: 1.1rem; }
.bt-grid { display: grid; gap: 1rem; }
@media (min-width: 720px) {
  .bt-grid-2 { grid-template-columns: 1fr 1fr; }
}
label { display: block; font-size: 0.85rem; color: var(--bt-muted); margin-bottom: 0.35rem; }
input, select, textarea {
  width: 100%;
  background: #081222;
  border: 1px solid var(--bt-border);
  border-radius: 8px;
  color: var(--bt-text);
  padding: 0.65rem 0.75rem;
  font: inherit;
  margin-bottom: 0.85rem;
}
textarea { min-height: 110px; resize: vertical; }
.bt-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border: 0;
  border-radius: 8px;
  padding: 0.65rem 1rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  background: var(--bt-accent);
  color: #061018;
}
.bt-btn:hover { filter: brightness(1.05); }
.bt-btn-ghost {
  background: transparent;
  color: var(--bt-muted);
  border: 1px solid var(--bt-border);
}
.bt-btn-orange { background: var(--bt-orange); color: #1a1208; }
.bt-btn-sm { padding: 0.4rem 0.7rem; font-size: 0.9rem; }
.bt-muted { color: var(--bt-muted); }
.bt-error { color: var(--bt-danger); margin: 0.5rem 0; }
.bt-ok { color: var(--bt-ok); }
.bt-badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: rgba(255,255,255,0.08);
  color: var(--bt-muted);
}
.bt-badge-approved, .bt-badge-active, .bt-badge-shipped { color: var(--bt-ok); }
.bt-badge-pending, .bt-badge-requested, .bt-badge-invited, .bt-badge-waitlisted { color: var(--bt-warn); }
.bt-badge-rejected, .bt-badge-suspended { color: var(--bt-danger); }
.bt-card {
  border: 1px solid var(--bt-border);
  border-radius: 10px;
  padding: 1rem;
  background: rgba(0,0,0,0.15);
}
.bt-card + .bt-card { margin-top: 0.75rem; }
.bt-card h3 { margin: 0 0 0.35rem; font-size: 1rem; }
.bt-row { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; justify-content: space-between; }
.bt-hero-auth { max-width: 32rem; }
.bt-auth-card {
  max-width: 32rem;
  background: var(--bt-panel);
  border: 1px solid var(--bt-border);
  border-radius: var(--bt-radius);
  padding: 1.5rem 1.35rem;
  margin-top: 0.5rem;
}
.bt-auth-card h2 {
  margin: 0 0 1rem;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}
.bt-auth-links {
  margin: 1.15rem 0 0;
  font-size: 0.95rem;
  color: var(--bt-muted);
}
.bt-auth-links a { text-decoration: none; }
.bt-auth-links a:hover { text-decoration: underline; }
.bt-auth-sep { margin: 0 0.35rem; opacity: 0.5; }
.bt-terms-hint { margin: 0.25rem 0 1rem; font-size: 0.9rem; }
.bt-shipping-notice {
  margin: 0.5rem 0 0.85rem;
  padding: 0.65rem 0.85rem;
  border-left: 3px solid var(--bt-orange, #e85d04);
  background: rgba(232, 93, 4, 0.08);
  font-size: 0.9rem;
  line-height: 1.4;
}
.bt-verify-banner {
  border: 1px solid rgba(232, 93, 4, 0.35);
}
.bt-badge-unverified {
  background: #4a2a10;
  color: #ffb070;
}
.bt-thread { display: flex; flex-direction: column; gap: 0.75rem; }
.bt-msg {
  padding: 0.75rem;
  border-radius: 8px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--bt-border);
}
.bt-msg-admin { border-color: rgba(0,175,239,0.35); }
.bt-msg-meta { font-size: 0.8rem; color: var(--bt-muted); margin-bottom: 0.35rem; }

.bt-terms-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.bt-terms-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(3, 8, 16, 0.72);
  backdrop-filter: blur(4px);
}
.bt-terms-modal-panel {
  position: relative;
  z-index: 1;
  width: min(640px, 100%);
  max-height: min(88vh, 720px);
  display: flex;
  flex-direction: column;
  background: var(--bt-panel);
  border: 1px solid var(--bt-border);
  border-radius: var(--bt-radius);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.45);
}
.bt-terms-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.15rem;
  border-bottom: 1px solid var(--bt-border);
}
.bt-terms-modal-head h2 {
  margin: 0;
  font-size: 1.1rem;
}
.bt-terms-modal-body {
  padding: 1rem 1.15rem;
  overflow: auto;
  flex: 1;
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--bt-muted);
}
.bt-terms-modal-body h2 {
  font-size: 1rem;
  color: var(--bt-text);
  margin: 0 0 0.5rem;
}
.bt-terms-modal-body h3 {
  font-size: 0.95rem;
  color: var(--bt-text);
  margin: 1.1rem 0 0.35rem;
}
.bt-terms-modal-body p,
.bt-terms-modal-body ul {
  margin: 0 0 0.65rem;
}
.bt-terms-modal-body ul {
  padding-left: 1.2rem;
}
.bt-terms-modal-foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.5rem;
  padding: 0.85rem 1.15rem;
  border-top: 1px solid var(--bt-border);
}