:root {
  --bc-bg0: #070812;
  --bc-bg1: #0a0e27;
  --bc-ink: rgba(255, 255, 255, 0.92);
  --bc-muted: rgba(255, 255, 255, 0.70);
  --bc-muted2: rgba(255, 255, 255, 0.56);

  --bc-c1: #00d4ff;
  --bc-c2: #ff3d7f;
  --bc-c3: #ffd166;
  --bc-c4: #8b5cff;

  --bc-card: rgba(255, 255, 255, 0.06);
  --bc-card2: rgba(255, 255, 255, 0.10);
  --bc-stroke: rgba(255, 255, 255, 0.14);
  --bc-stroke2: rgba(255, 255, 255, 0.22);

  --bc-shadow: 0 22px 60px rgba(0, 0, 0, 0.45);
  --bc-shadow2: 0 18px 50px rgba(0, 0, 0, 0.35);

  --bc-radius-lg: 22px;
  --bc-radius-md: 16px;
  --bc-radius-sm: 12px;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body.bc-app {
  margin: 0;
  font-family: "Space Grotesk", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--bc-ink);
  background:
    radial-gradient(1200px 700px at 10% -10%, rgba(255, 61, 127, 0.38), transparent 55%),
    radial-gradient(900px 600px at 85% 8%, rgba(0, 212, 255, 0.34), transparent 55%),
    radial-gradient(900px 700px at 70% 105%, rgba(139, 92, 255, 0.30), transparent 55%),
    linear-gradient(180deg, var(--bc-bg0), var(--bc-bg1) 55%, #060714);
  overflow-x: hidden;
}

a { color: inherit; }

.bc-noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  opacity: 0.08;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
  background-size: 180px 180px;
  z-index: 1;
}

.bc-wrap { position: relative; z-index: 2; }

.bc-container {
  width: min(1140px, calc(100% - 40px));
  margin: 0 auto;
}

.bc-topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(7, 8, 18, 0.55);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.bc-topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}

.bc-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.bc-brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background:
    radial-gradient(10px 10px at 30% 30%, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0) 60%),
    conic-gradient(from 210deg, var(--bc-c2), var(--bc-c3), var(--bc-c1), var(--bc-c4), var(--bc-c2));
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.bc-brand-name {
  font-family: "Fraunces", ui-serif, Georgia, serif;
  font-weight: 700;
  letter-spacing: -0.03em;
  font-size: 20px;
  color: rgba(255, 255, 255, 0.95);
}

.bc-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

.bc-btn {
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.06);
  color: var(--bc-ink);
  padding: 10px 14px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
  will-change: transform;
  cursor: pointer;
}

.bc-btn:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.28);
}

.bc-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.bc-btn-primary {
  border-color: rgba(0, 212, 255, 0.35);
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.95), rgba(255, 61, 127, 0.75));
  color: #0a0e27;
  box-shadow: 0 16px 44px rgba(0, 212, 255, 0.22), 0 16px 54px rgba(255, 61, 127, 0.14);
}

.bc-btn-primary:hover {
  border-color: rgba(255, 255, 255, 0.30);
  transform: translateY(-2px);
  box-shadow: 0 18px 56px rgba(0, 212, 255, 0.28), 0 18px 70px rgba(255, 61, 127, 0.18);
}

.bc-btn-ghost { box-shadow: none; }

.bc-center {
  min-height: calc(100vh - 80px);
  display: grid;
  place-items: center;
  padding: 26px 0 40px;
}

.bc-card {
  width: min(520px, 100%);
  border-radius: var(--bc-radius-lg);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--bc-shadow);
  padding: 26px 22px;
}

.bc-card h1 {
  margin: 0;
  font-family: "Fraunces", ui-serif, Georgia, serif;
  letter-spacing: -0.03em;
  font-size: 30px;
  line-height: 1.1;
}

.bc-card p {
  margin: 10px 0 0;
  color: var(--bc-muted);
  line-height: 1.6;
  font-size: 14px;
}

.bc-form {
  margin-top: 18px;
  display: grid;
  gap: 14px;
}

.bc-label {
  display: block;
  font-weight: 800;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.86);
  margin-bottom: 8px;
}

.bc-field {
  width: 100%;
  padding: 13px 14px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.92);
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
  font-size: 15px;
  font-family: inherit;
}

.bc-field::placeholder { color: rgba(255, 255, 255, 0.45); }

.bc-field:focus {
  border-color: rgba(0, 212, 255, 0.60);
  box-shadow: 0 0 0 4px rgba(0, 212, 255, 0.10);
  background: rgba(255, 255, 255, 0.08);
}

.bc-help {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.62);
}

.bc-error {
  display: none;
  border-radius: 14px;
  padding: 12px 12px;
  border: 1px solid rgba(255, 61, 127, 0.35);
  background: rgba(255, 61, 127, 0.12);
  color: rgba(255, 255, 255, 0.92);
  font-size: 13px;
}

.bc-error.is-visible { display: block; }

.bc-links {
  margin-top: 16px;
  color: rgba(255, 255, 255, 0.70);
  font-size: 14px;
}

.bc-links a {
  color: rgba(255, 255, 255, 0.92);
  text-decoration: none;
  font-weight: 800;
  border-bottom: 1px solid rgba(255, 255, 255, 0.20);
}

.bc-links a:hover { border-bottom-color: rgba(255, 255, 255, 0.40); }

.bc-kbd {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.82);
}

@media (min-width: 860px) {
  .bc-card { padding: 30px 28px; }
}