.irs-modal{background:#fff;padding:16px;border-radius:12px;max-width:560px;box-shadow:0 10px 30px rgba(0,0,0,.15)}
.irs-modal h3{font-size:18px}
.irs-desc{white-space:pre-wrap}
.irs-modal .button{padding:.5rem .9rem;border-radius:8px;border:1px solid #ddd;background:#f7f7f7;cursor:pointer}
.irs-modal .button-primary{background:#0069ed;color:#fff;border-color:#0069ed}
/* calendar tweaks */
.fc .irs-busy{background:rgba(220,53,69,.08);border-color:#dc3545}