.rktb-wrap{max-width:1100px;margin:0 auto;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,'Helvetica Neue',Arial}
.rktb-section{margin:24px 0}
.rktb-grid{display:grid;gap:16px}
.rktb-grid.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.rktb-grid.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}
@media(max-width:1024px){.rktb-grid.cols-4{grid-template-columns:repeat(3,1fr)}}
@media(max-width:768px){.rktb-grid.cols-4{grid-template-columns:repeat(2,1fr)}.rktb-grid.cols-2{grid-template-columns:repeat(1,1fr)}}
.rktb-tile{border:1px solid #e5e7eb;border-radius:14px;background:#fff;overflow:hidden;cursor:pointer;box-shadow:0 1px 2px rgba(0,0,0,.04);transition:transform .2s,box-shadow .2s}
.rktb-tile:hover{transform:translateY(-2px);box-shadow:0 6px 18px rgba(0,0,0,.08)}
.rktb-tile.selected{outline:2px solid #2563eb;box-shadow:0 0 0 4px rgba(37,99,235,.15)}
.rktb-tile img{width:100%;height:140px;object-fit:cover;display:block}
.rktb-tile .rktb-title{padding:10px 12px;font-weight:600;text-align:center}
.rktb-price{display:block;text-align:center;padding:0 0 12px;font-weight:700;color:#16a34a}
.rktb-label{font-weight:700;margin-bottom:8px}
.rktb-inputs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
@media(max-width:640px){.rktb-inputs{grid-template-columns:1fr}}
.rktb-btn{display:inline-block;padding:12px 18px;border-radius:10px;background:#111827;color:#fff;font-weight:700;border:none;cursor:pointer}
.rktb-btn[disabled]{opacity:.6;cursor:not-allowed}
.rktb-note{background:#f9fafb;border:1px solid #e5e7eb;padding:10px 12px;border-radius:10px;font-size:.95rem}
.rktb-kalendarz{border:1px solid #e5e7eb;border-radius:12px;padding:12px}
.rktb-date{padding:10px 12px;border:1px solid #e5e7eb;border-radius:10px;width:100%}
.rktb-success{background:#ecfdf5;border:1px solid #a7f3d0;color:#065f46;padding:12px 14px;border-radius:10px;margin-top:16px}
.rktb-error{background:#fef2f2;border:1px solid #fecaca;color:#991b1b;padding:12px 14px;border-radius:10px;margin-top:16px}
.rktb-modal{position:fixed;inset:0;background:rgba(0,0,0,.45);display:none;align-items:center;justify-content:center;z-index:999999}
.rktb-modal .card{background:#fff;max-width:720px;width:92%;border-radius:14px;padding:16px;border:1px solid #e5e7eb;max-height:80vh;overflow:auto}
.rktb-admin-calendar{max-width:1100px}
.rktb-no-dates {
  color: #dc2626;              /* intensywny czerwony */
  font-weight: 600;
  background: #fee2e2;         /* delikatne czerwone tło */
  padding: 10px 14px;
  border-radius: 8px;
  text-align: center;
  margin-top: 10px;
  display: inline-block;
}