.mobile-card-sheet {
  --card-tint: #d6c7ae;
  --card-ink: #fff7ed;
  --card-detail: #eee0ca;
  box-sizing: border-box;
  overflow: hidden;
  isolation: isolate;
  position: relative;
  display: flex;
  flex-direction: column;
  width: 100%;
  padding: clamp(24px, 7vw, 36px);
  border: 1px solid #f4e9d663;
  border-top-color: #fff3e58c;
  border-radius: 24px;
  color: var(--card-ink);
  box-shadow: 0 25px 80px #0005, inset 1px 1px 0 #ffffff26, inset 0 -1px 0 #ffffff14;
  font: 400 16px/1.5 -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}
body[data-site-theme] .mobile-card-sheet {
  background: radial-gradient(ellipse at 0% 100%, color-mix(in srgb, var(--card-accent) 23%, transparent), transparent 63%),
    linear-gradient(115deg, color-mix(in srgb, var(--card-tint) 22%, transparent), #b4b1a619 52%, #a09b9317), #2024218a;
  -webkit-backdrop-filter: blur(30px) saturate(80%);
  backdrop-filter: blur(30px) saturate(80%);
}
.mobile-card-sheet[data-card-finish="champagne"] { --card-tint: #ffe6bf; --card-detail: #ffebcf; }
.mobile-card-sheet[data-card-finish="silver"] { --card-tint: #c7dcf2; --card-detail: #e4edf8; }
.mobile-card-sheet[data-card-finish="copper"] { --card-tint: #f8b997; --card-detail: #f9decc; }
.bc-brand-logo { width: 48px; height: 48px; object-fit: contain; margin-bottom: 16px; }
.bc-identity { padding: 6px 0 24px; border-bottom: 1px solid #ffedce40; }
.mobile-card-sheet .bc-identity h2 {
  margin: 0 0 8px;
  color: var(--card-ink);
  font: 550 clamp(1.9rem, 8vw, 2.45rem)/1.06 -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  letter-spacing: -.055em;
  overflow-wrap: anywhere;
}
.mobile-card-sheet .bc-title { color: var(--card-detail); margin: 0; line-height: 1.45; overflow-wrap: anywhere; }
.mobile-card-sheet a { text-decoration: none; }
.mobile-card-sheet .bc-email {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 18px; padding: 6px 12px; min-height: 40px; box-sizing: border-box;
  border: 1px solid #fff0da45; border-radius: 12px;
  background: linear-gradient(140deg, #eee1c826, #a79f9214); color: var(--card-ink);
  font-size: .875rem; font-weight: 550;
}
.bc-email svg { color: var(--card-detail); }
.mobile-card-sheet .bc-code {
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  width: fit-content; align-self: center; margin: 26px 0 0; color: var(--card-ink);
}
.bc-code img {
  display: block; width: 132px; height: 132px; border-radius: 12px;
  box-shadow: 0 10px 28px #0004, 0 0 0 1px #fff4;
}
.bc-website { font-size: 1rem; font-weight: 550; letter-spacing: -.02em; }
.bc-website span { margin-left: 2px; color: var(--card-detail); }
.mobile-card-sheet .bc-email:hover { background: #eee0c932; }
.bc-code:hover .bc-website { text-decoration: underline; text-underline-offset: 3px; }
.mobile-card-sheet a:focus-visible { outline: 2px solid #ffd49a; outline-offset: 4px; border-radius: 8px; }
.mobile-card-sheet.card-shine::after {
  content: ''; position: absolute; pointer-events: none; inset: -70% -50%;
  background: linear-gradient(100deg, transparent 44%, #fff5e615 50%, transparent 56%);
  animation: business-card-shine 1.4s ease-out both;
}
@keyframes business-card-shine { from { transform: translateX(-90%); } to { transform: translateX(90%); } }
@media (prefers-reduced-motion: reduce) { .mobile-card-sheet.card-shine::after { display: none; } }
@media (prefers-reduced-transparency: reduce) {
  body[data-site-theme] .mobile-card-sheet { background: #353b33; backdrop-filter: none; -webkit-backdrop-filter: none; }
}
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  body[data-site-theme] .mobile-card-sheet { background: #353b33; }
}
.bc-admin-grid { display: grid; grid-template-columns: minmax(0,1fr) minmax(320px,440px); gap: 28px; align-items: start; }
.bc-preview-panel {
  padding: 22px; border: 1px solid #f4e9d640; border-radius: 22px;
  background: linear-gradient(#161a174d,#161a176b), url('/assets/ai-champions-studio-v1.png') center/cover;
}
.bc-preview-panel > h2 { color: #fff7ed; font-size: 1rem; margin: 0 0 20px; }
.bc-print-root { display: none; }
@media (max-width: 850px) {
  .bc-admin-grid { grid-template-columns: 1fr; }
  .bc-preview-panel { box-sizing: border-box; max-width: 430px; width: 100%; margin: 0 auto; }
}
@media print {
  @page { size: 55mm 85mm; margin: 0; }
  html:has(body.printing-business-card), body.printing-business-card {
    width: 55mm !important; height: 85mm !important; min-height: 0 !important;
    margin: 0 !important; padding: 0 !important; print-color-adjust: exact; -webkit-print-color-adjust: exact;
  }
  body.printing-business-card > :not(.bc-print-root) { display: none !important; }
  .bc-print-root { display: block; }
  body.printing-business-card .mobile-card-sheet {
    width: 55mm; height: 85mm; padding: 4mm; border: 0; border-radius: 0;
    background: #30342f; box-shadow: none; backdrop-filter: none;
  }
  .bc-brand-logo { width: 7mm; height: 7mm; margin-bottom: 2mm; }
  .bc-identity { padding: 0 0 2mm; }
  .mobile-card-sheet .bc-identity h2 { font-size: 11pt; margin-bottom: 1mm; }
  .mobile-card-sheet .bc-title { font-size: 7.5pt; }
  .mobile-card-sheet .bc-email { font-size: 7pt; min-height: 0; padding: 1mm 2mm; margin-top: 2mm; }
  .bc-email svg { width: 3mm; height: 3mm; }
  .mobile-card-sheet .bc-code { margin-top: auto; gap: 1mm; }
  .bc-code img { width: 23mm; height: 23mm; border-radius: 1.5mm; box-shadow: none; }
  .bc-website { font-size: 8pt; }
}