:root{--navy:#102A43;--teal:#00B8A9;--gold:#FFBF00;--blue:#2563EB;--coral:#E5484D;--tint:#E8F8F6;--bg:#F5F8FC;--border:#CBD8E6;--text:#162536;--white:#fff;--shadow:0 10px 30px rgba(16,42,67,.14)}
    *{box-sizing:border-box} body{margin:0;min-height:100vh;background:linear-gradient(135deg,#F5F8FC 0%,#E8F8F6 55%,#EAF0FF 100%);font-family:Inter,Arial,sans-serif;color:var(--text);display:flex;justify-content:center;padding:22px 12px}.app{width:min(620px,100%);}.card{position:relative;background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);overflow:hidden}.accent{height:8px;background:linear-gradient(90deg,#102A43 0%,#2563EB 55%,#00B8A9 100%)}.header{padding:18px 20px 12px;text-align:center}.logo{max-width:min(460px,92%);height:auto}.title{margin:14px 0 2px;color:var(--navy);font-size:24px;font-weight:700}.tagline{font-size:14px}.letters{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;padding:8px 18px 14px}.letters div{color:var(--navy);font-weight:800;font-size:38px;text-align:center;line-height:1}.grid{display:grid;margin:0 8px;border-left:1px solid var(--border);border-top:1px solid var(--border);background:#fff}.square{aspect-ratio:1/1;border-right:1px solid #CBD8E6;border-bottom:1px solid #CBD8E6;display:flex;align-items:center;justify-content:center;text-align:center;font-size:15px;font-weight:700;line-height:1.18;padding:9px;cursor:pointer;position:relative;overflow:hidden;user-select:none;color:#162536;background:#FFFFFF;transition:background .16s ease,color .16s ease,box-shadow .16s ease}.square:hover{background:#E8F8F6}.square.checked:before{content:"";position:absolute;width:82%;height:82%;border-radius:50%;background:rgba(0,184,169,.78);box-shadow:inset 0 0 10px rgba(16,42,67,.16);z-index:0}.square span,.free-content{position:relative;z-index:1}.free-content img{width:72%;height:72%;object-fit:contain}.controls{padding:16px 18px 20px;display:grid;gap:10px}.controls select,.controls button,.intro-box input{width:100%;border-radius:8px;border:1px solid var(--border);padding:12px 13px;font:inherit}.controls button,.primary-btn{background:var(--navy);color:#fff;border:0;border-radius:8px;font-weight:700;cursor:pointer}.controls button:hover,.primary-btn:hover{background:#2563EB}.note{font-size:12px;text-align:center;padding:0 22px 20px;color:#777}.admin-link{position:absolute;right:14px;bottom:12px}.admin-link img{width:34px;height:34px;opacity:.78}.modal{position:fixed;inset:0;background:rgba(16,42,67,.82);display:none;align-items:center;justify-content:center;z-index:1000;padding:18px;backdrop-filter:blur(5px)}.modal.show{display:flex}.intro-box,.form-box{width:min(430px,100%);background:#fff;border-radius:12px;box-shadow:0 20px 60px rgba(0,0,0,.25);padding:24px}.intro-box{text-align:center}.intro-box img{max-width:290px;width:90%;margin-bottom:12px}.intro-box h2,.form-box h2{margin:8px 0 4px;color:var(--navy)}.intro-box p,.form-box p{margin:0 0 16px}.intro-box label{text-align:left;display:block;font-weight:700;font-size:13px;margin:11px 0 4px;color:#333}.error{display:none;color:#E5484D;font-size:13px;margin:10px 0}.bingo-celebration{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:linear-gradient(135deg,rgba(16,42,67,.90) 0%,rgba(37,99,235,.78) 55%,rgba(0,184,169,.72) 100%);z-index:1001;backdrop-filter:blur(4px)}.bingo-card{background:linear-gradient(135deg,#102A43 0%,#2563EB 55%,#00B8A9 100%);color:#fff;font-size:44px;font-weight:900;border-radius:18px;padding:22px 34px;text-align:center;box-shadow:0 0 42px rgba(255,255,255,.45);animation:pulse .75s infinite}.form-box{min-height:220px}.hubspot-placeholder{border:1px dashed var(--teal);border-radius:10px;background:var(--tint);padding:18px;text-align:center;color:var(--navy);font-weight:700}.close-btn{margin-top:14px;background:#fff;color:var(--navy);border:1px solid var(--navy);border-radius:8px;padding:10px 14px;cursor:pointer;font-weight:700}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.06)}100%{transform:scale(1)}}@media(max-width:560px){body{padding:10px}.title{font-size:21px}.letters div{font-size:30px}.square{font-size:12px;padding:6px}.header{padding-left:12px;padding-right:12px}}

.version-footer {
  margin: 10px 0 0;
  text-align: center;
  color: #6b7280;
  font-size: 12px;
  line-height: 1.3;
}


.square.checked{background:#FFFFFF;color:#162536}
.square.checked span{color:#162536}
.square.checked:hover{background:#E8F8F6}
.square.winning{background:#FFFFFF!important;color:#102A43!important;box-shadow:none}
.square.winning:before{background:rgba(255,191,0,.88)!important;box-shadow:inset 0 0 10px rgba(16,42,67,.16),0 0 0 2px rgba(255,191,0,.22)}
.square.winning span{color:#102A43!important}
.category-locked .controls select{display:none!important}