/* 99 Club Studio · Operation Codebreaker v3 cipher stage */
.tt99-opgrid-codebar{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:stretch}.tt99-opgrid-check{min-width:130px;border:1px solid #147d75;border-radius:16px;background:#147d75;color:#fff;padding:0 16px;font:900 .9rem/1 system-ui;cursor:pointer}.tt99-opgrid-check:active{transform:translateY(1px)}
.tt99-opgrid-cipher{border:1px solid #cbdcde;border-radius:18px;padding:14px;background:#fbfdfd;display:grid;gap:12px}.tt99-opgrid-cipher.is-locked{background:#f3f6f6;color:#718489}.tt99-opgrid-cipher-head{display:flex;align-items:center;gap:10px}.tt99-opgrid-cipher-head>span{font-size:1.4rem}.tt99-opgrid-cipher-head>div{display:grid;gap:2px}.tt99-opgrid-cipher-head small{font-weight:900;text-transform:uppercase;letter-spacing:.06em;color:#6a7f83}.tt99-opgrid-cipher-head strong{color:#244d51}.tt99-opgrid-cipher p{margin:0;line-height:1.45;color:#637a7f}.tt99-opgrid-cipher.is-locked .tt99-opgrid-cipher-head strong{color:#6f8286}
.tt99-cipher-rule{padding:10px 12px;border-radius:12px;background:#eef7f5}.tt99-cipher-pairs{display:flex;justify-content:center;gap:8px;flex-wrap:wrap}.tt99-cipher-pairs>span{display:grid;place-items:center;gap:4px;min-width:48px;padding:9px 8px;border:1px solid #cfdddf;border-radius:12px;background:#fff}.tt99-cipher-pairs b{font-size:1.22rem;color:#214d51}.tt99-cipher-pairs small{font-weight:900;color:#147d75}.tt99-cipher-alphabet{font:800 .75rem/1.4 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;letter-spacing:.13em;text-align:center;color:#5c7479;overflow-wrap:anywhere;padding:8px 6px;border-top:1px solid #e2ebec;border-bottom:1px solid #e2ebec}.tt99-cipher-answer{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:end}.tt99-cipher-answer label{display:grid;gap:5px}.tt99-cipher-answer label span{font-size:.74rem;font-weight:900;color:#61787c}.tt99-cipher-answer input{min-height:46px;border:1px solid #bfd1d3;border-radius:12px;padding:9px 12px;background:#fff;color:#214d51;font:900 1rem/1.2 system-ui;text-transform:uppercase;letter-spacing:.08em}.tt99-cipher-answer button{min-height:46px;border:1px solid #147d75;border-radius:12px;background:#147d75;color:#fff;padding:0 14px;font-weight:900}.tt99-cipher-feedback{padding:8px 10px;border-radius:10px;font-weight:800}.tt99-cipher-feedback.is-wrong{background:#fff1ed;color:#9a4e39}.tt99-cipher-feedback.is-correct{background:#edf9f1;color:#26694f}
.tt99-play-complete-snapshot .tt99-opgrid-check,.tt99-play-complete-snapshot .tt99-cipher-answer button{display:none!important}.tt99-play-complete-snapshot .tt99-cipher-answer input{pointer-events:none}
@media(max-width:520px){.tt99-opgrid-codebar{grid-template-columns:1fr}.tt99-opgrid-check{min-height:46px}.tt99-cipher-answer{grid-template-columns:1fr}.tt99-cipher-answer button{min-height:46px}.tt99-cipher-pairs{gap:6px}.tt99-cipher-pairs>span{min-width:43px;padding:8px 6px}.tt99-cipher-alphabet{font-size:.68rem;letter-spacing:.09em}}