body.admin { background: #f3f5f7; font-family: Arial, Helvetica, sans-serif; color: #1f2937; }
.admin-shell { width: min(1200px, calc(100% - 32px)); margin: 24px auto; }
.admin-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.admin-card { background: #fff; border: 1px solid #dbe1e7; border-radius: 12px; padding: 18px; box-shadow: 0 2px 10px rgba(0,0,0,0.04); margin-bottom: 18px; }
.admin-nav a { margin-right: 12px; text-decoration: none; color: #0f4c81; }
.small { font-size: 0.9rem; color: #6b7280; }