.cbll-app{box-sizing:border-box;--ink:#191b3d;--muted:#626c83;--purple:#7542ee;--line:#e4dff0;width:100%;max-width:none;margin:0;padding:25px clamp(18px,3vw,58px) 40px;color:var(--ink);font:14px/1.65 ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif!important;-webkit-font-smoothing:antialiased}.cbll-app *{box-sizing:border-box}.cbll-app [hidden]{display:none!important}.cbll-app h1,.cbll-app h2,.cbll-app h3,.cbll-app p{font-family:inherit!important;color:inherit;margin:0;text-shadow:none!important}.cbll-app h2{font-size:20px;font-weight:760;letter-spacing:-.4px;line-height:1.35;margin-bottom:16px}.cbll-heading{display:flex;align-items:center;justify-content:space-between;gap:25px;padding:0 0 20px}.cbll-back{display:block;font-size:12px;color:#6e56a5!important;text-decoration:none;margin-bottom:12px}.cbll-eyebrow{display:none}.cbll-heading h1{font-size:40px;font-weight:800;letter-spacing:-1.6px;line-height:1.1;margin:8px 0}.cbll-heading p{font-size:16px;color:#626b82}.cbll-title-art{width:125px;height:125px;object-fit:contain;margin-right:20px;filter:drop-shadow(0 8px 8px #37255020)}.cbll-layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(280px,1fr);gap:23px;align-items:start}.cbll-board{border:1px solid #e3d9f5;border-radius:18px;background:linear-gradient(135deg,#f5f1ff,#faf8ff);padding:24px}.cbll-board-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:15px;color:#66528a;font-size:12px;font-weight:700}.cbll-chip{font-size:10px;background:#eae1ff;color:#6a46b9;border-radius:20px;padding:5px 10px;white-space:nowrap}.cbll-rule{padding:11px 13px;border:1px solid #e1d9f4;background:#ffffff90;border-radius:9px;font-size:12px;color:#57637c!important;line-height:1.75}.cbll-clues{list-style:none;padding:0;margin:15px 0 20px;display:grid;gap:9px}.cbll-clues>li{display:grid;grid-template-columns:55px 125px minmax(0,1fr);gap:13px;align-items:center;background:#fff;border:1px solid #e8e2f3;border-radius:11px;padding:12px}.cbll-clue-number{font-size:10px;font-weight:750;color:#6a4f9f;background:#f2ecff;border-radius:6px;padding:4px 6px;text-align:center}.cbll-digits{display:flex;gap:6px}.cbll-digits b{display:grid;place-items:center;width:35px;height:44px;border-radius:8px;font-size:26px;font-weight:750;line-height:1;background:#e7ddff;color:#5b39a7;box-shadow:inset 0 -3px 0 #65419608}.cbll-digits b:nth-child(2){background:#cef2e6;color:#197e66}.cbll-digits b:nth-child(3){background:#ffdad3;color:#a2534e}.cbll-clue-text{font-size:14px;line-height:1.55;color:#36415b}.cbll-code-field{padding:0;margin:0;border:0;min-width:0}.cbll-code-field legend{font-size:14px;font-weight:750;margin-bottom:9px;float:none;width:auto}.cbll-entry{display:flex;align-items:center;gap:13px}.cbll-code-boxes{display:flex;gap:8px}.cbll-app .cbll-digit-input{display:block;width:58px;height:59px;border:1px solid #d5caeb;border-radius:10px;background:white;text-align:center;padding:4px;font-family:inherit;font-weight:750;font-size:29px;line-height:1.2;color:var(--ink);box-shadow:0 2px 4px #38225404}.cbll-app input:focus{border-color:#8b62e6;box-shadow:0 0 0 3px #8b62e613}.cbll-app button{cursor:pointer;font:650 12px/1.4 ui-sans-serif,system-ui;min-height:44px;border-radius:10px;padding:11px 17px;letter-spacing:0;text-transform:none;box-shadow:none}.cbll-primary{color:white!important;border:1px solid #7542ee!important;background:linear-gradient(125deg,#8550ff,#6934e8)!important;box-shadow:0 4px 10px #7040ef15!important}.cbll-entry .cbll-primary{min-height:56px;font-size:14px;padding-inline:23px}.cbll-secondary{background:#fff!important;border:1px solid #d8cbed!important;color:#684b9a!important}.cbll-secondary:hover{background:#f3edff!important}.cbll-app button:disabled{opacity:.48;cursor:default}.cbll-app :focus-visible{outline:3px solid #db9d45;outline-offset:3px}.cbll-small{font-size:12px;color:var(--muted)!important;line-height:1.75;margin-top:9px!important}.cbll-feedback{font-size:13px;margin-top:13px;color:#536078}.cbll-feedback.cbll-error{padding:11px 13px;border:1px solid #edc7c1;border-radius:9px;background:#fff2ef;color:#934b46}.cbll-feedback.cbll-success{padding:11px 13px;border:1px solid #b9dfce;border-radius:9px;background:#edfbf3;color:#267254}.cbll-tools{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;margin:16px 0}.cbll-used-hints,.cbll-attempts{background:#ffffff90;border:1px solid #e3dbf1;border-radius:9px;margin-top:10px;padding:11px 13px}.cbll-app summary{cursor:pointer;font-size:12px;font-weight:650;color:#5f468f;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:10px}.cbll-app summary::-webkit-details-marker{display:none}.cbll-app summary:after{content:'+';color:#8050dc}.cbll-app details[open]>summary:after{content:'−'}.cbll-hints p{background:#fff8e7;border:1px solid #eee0b5;border-radius:9px;padding:11px;margin:10px 0 0;font-size:12px;color:#665837}.cbll-attempts ol{list-style:none;padding:0;margin:10px 0 0;max-height:210px;overflow:auto}.cbll-attempts li{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px;background:white;border-radius:8px;margin-top:6px;font-size:11px;color:#6b6581}.cbll-attempts code{font:700 16px/1.4 ui-monospace,monospace;background:none;letter-spacing:5px;color:#4c416e}.cbll-confirm{margin:15px 0;padding:16px;border:1px solid #e3c9cf;background:white;border-radius:12px}.cbll-confirm p{font-size:13px;margin-bottom:12px}.cbll-confirm button{margin:3px}.cbll-result{margin-top:18px;padding:20px;border:1px solid #b7e0ce;border-radius:12px;background:linear-gradient(120deg,#e4f8ed,#f8fffb)}.cbll-result h2{font-size:23px;margin-bottom:7px}.cbll-result p{font-size:12px;color:#537365}.cbll-result.cbll-revealed{background:#fff5e8;border-color:#edd8b6}.cbll-result.cbll-revealed p{color:#8b7253}.cbll-solution{margin-top:12px;padding:16px;border:1px solid #e0d7f0;border-radius:12px;background:#fff}.cbll-solution h3{font-size:20px;margin:16px 0 9px}.cbll-solution p,.cbll-solution li{font-size:13px;line-height:1.8;color:#505e75}.cbll-solution ol{padding-left:20px}.cbll-solution li{margin:10px 0}.cbll-solution .cbll-verification{margin-top:15px;padding:13px;background:#f6f3fc;border-radius:9px}.cbll-sidebar{display:grid;gap:17px}.cbll-sidebar section{padding:23px;border:1px solid var(--line);border-radius:16px;background:linear-gradient(145deg,#fff,#fcfaff);box-shadow:0 5px 18px #31204d04}.cbll-stats{display:grid;grid-template-columns:1fr 1fr;gap:12px}.cbll-stats>div{background:#eee7ff;border:1px solid #e4d9fb;border-radius:12px;padding:18px;text-align:center}.cbll-stats>div:nth-child(2){background:#e4f8ef;border-color:#d6f0e4}.cbll-stats strong{display:block;font-size:32px;color:#7446d2;line-height:1.35}.cbll-stats>div:nth-child(2) strong{color:#14977a}.cbll-stats span{font-size:11px;color:#6c6580}.cbll-help ol{padding:0;list-style:none;counter-reset:help}.cbll-help li{counter-increment:help;position:relative;padding-left:34px;font-size:13px;line-height:1.7;color:#56647a;margin:15px 0}.cbll-help li:before{content:counter(help);position:absolute;left:0;top:1px;display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:#ede4ff;color:#7a48d8;font-size:11px;font-weight:700}.cbll-help>p{font-size:12px;color:#667086;border-top:1px solid #e9e2f3;padding-top:14px}.cbll-app label{display:block;font-size:12px;font-weight:700;margin-bottom:8px}.cbll-history input{font:inherit;font-size:13px;width:100%;min-height:47px;padding:11px 12px;border:1px solid #d6cae9;background:#fff;color:var(--ink);border-radius:9px;margin-bottom:10px}.cbll-history .cbll-secondary{width:100%}.cbll-text-button{background:none!important;border:0!important;color:#7741d9!important;padding-left:0!important;margin-top:8px}.cbll-tips{margin-top:27px}.cbll-tip-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.cbll-tip-grid article{display:grid;grid-template-columns:34px 1fr;gap:0 12px;padding:20px;background:#f4efff;border:1px solid #e4dbf7;border-radius:13px}.cbll-tip-grid article:nth-child(2){background:#edfaf4;border-color:#d9eee4}.cbll-tip-grid article:nth-child(3){background:#fff1ed;border-color:#f2ded8}.cbll-tip-grid article>span{grid-row:1/3;font-size:26px;color:#8356d5}.cbll-tip-grid h3{font-size:15px;line-height:1.4;margin-bottom:7px}.cbll-tip-grid p{font-size:12px;line-height:1.75;color:#5c6881}.cbll-ad-space[hidden]{display:none!important}.cbll-explainer{margin-top:27px;padding-top:24px;border-top:1px solid var(--line)}.cbll-explainer>p{max-width:1000px;font-size:13px;color:#647087;margin-bottom:20px}.cbll-explainer details{padding:14px 17px;border:1px solid var(--line);border-radius:10px;margin-top:8px;background:#fff}.cbll-explainer details p{font-size:12px;color:#657086;margin-top:10px}.cbll-app textarea{width:100%;height:125px;font-family:inherit;font-size:13px;line-height:1.6;padding:13px;border:1px solid var(--line);border-radius:9px;background:#fff}.cbll-app a{color:#7040ef}
body:has(#cbll-app) #content>.ast-container{max-width:none;padding:0;display:block}body:has(#cbll-app) #primary{width:100%;margin:0;padding:0;border:0}body:has(#cbll-app) article.page{margin:0;padding:0;background:#fff}body:has(#cbll-app) article.page>.entry-header,body:has(#cbll-app) #secondary{display:none}
@media(min-width:1700px){.cbll-layout{grid-template-columns:minmax(0,2.3fr) minmax(330px,1fr)}.cbll-clues>li{padding:14px 17px;grid-template-columns:65px 145px 1fr}.cbll-digits b{width:40px;height:48px}.cbll-clue-text{font-size:15px}}
@media(max-width:950px){.cbll-layout{grid-template-columns:1fr}.cbll-sidebar{grid-template-columns:1fr 1fr}.cbll-history{grid-column:1/-1}.cbll-tip-grid{gap:11px}.cbll-tip-grid article{padding:16px}}
@media(max-width:600px){.cbll-app{padding:18px 15px 30px}.cbll-heading{gap:12px;padding-bottom:18px}.cbll-heading h1{font-size:32px}.cbll-back{font-size:11px;margin-bottom:9px}.cbll-heading p{font-size:12px;max-width:225px}.cbll-title-art{width:85px;height:100px;margin:0}.cbll-board{padding:17px 12px;border-radius:15px}.cbll-board-top{font-size:10px;gap:7px}.cbll-rule{font-size:11px;padding:10px}.cbll-clues>li{grid-template-columns:91px minmax(0,1fr);gap:5px 9px;padding:11px 9px}.cbll-clue-number{grid-column:1/-1;justify-self:start;font-size:8px;padding:2px 5px;background:none;color:#86739e}.cbll-digits{gap:4px}.cbll-digits b{width:27px;height:37px;font-size:23px;border-radius:6px}.cbll-clue-text{font-size:12px;line-height:1.55}.cbll-code-field legend{font-size:13px}.cbll-entry{gap:10px}.cbll-code-boxes{gap:6px}.cbll-app .cbll-digit-input{width:43px;height:50px;font-size:26px}.cbll-entry .cbll-primary{min-height:50px;padding-inline:16px;font-size:12px}.cbll-tools{gap:6px}.cbll-tools button{font-size:10px;padding:10px 6px}.cbll-sidebar{grid-template-columns:1fr}.cbll-sidebar section{padding:20px}.cbll-history{grid-column:auto}.cbll-tip-grid{grid-template-columns:1fr}.cbll-tip-grid article{padding:18px}.cbll-app h2{font-size:19px}.cbll-result{padding:17px}.cbll-solution{padding:14px}.cbll-small{font-size:11px}}

/* v1.2.1 final page refinements */
.cbll-app,.cbll-app *{font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Arial,sans-serif!important}
.cbll-app{font-weight:450;color:#24283e}.cbll-heading{padding-bottom:10px;gap:12px}.cbll-heading h1{font-size:clamp(29px,3vw,36px);margin:3px 0 4px}.cbll-back{margin-bottom:5px}.cbll-title-art{width:76px;height:76px;margin-right:8px}.cbll-board{padding:18px}.cbll-board-top{margin-bottom:9px}.cbll-rule{padding:8px 11px;line-height:1.5;color:#3d455d!important}.cbll-clues{margin:10px 0 13px;gap:6px}.cbll-clues>li{padding:8px 10px}.cbll-digits b{height:37px;width:33px;font-size:23px}.cbll-clue-text{color:#293149;font-weight:550;line-height:1.4}.cbll-code-field legend{margin-bottom:5px}.cbll-app button{font-family:inherit!important}.cbll-solution li{margin:7px 0;line-height:1.55;color:#333d56}.cbll-solution .cbll-verification{margin-top:15px}.cbll-verification summary{font-size:13px;font-weight:750}.cbll-verification p{margin-top:8px}.cbll-result p{font-size:13px;color:#365d4c}.cbll-tools:has(#cbll-hint[hidden]){display:flex;justify-content:flex-start}.cbll-tools:has(#cbll-hint[hidden]) #cbll-share{min-width:170px}.cbll-app .cbll-small{color:#4e5971!important}
@media(max-width:600px){.cbll-heading{padding-bottom:9px}.cbll-title-art{width:60px;height:68px}.cbll-heading h1{font-size:29px}.cbll-board{padding:13px 11px}.cbll-clues>li{padding:7px 8px;gap:3px 8px}.cbll-clue-number{padding:0 4px}.cbll-digits b{width:27px;height:34px;font-size:21px}.cbll-clue-text{font-size:12px}.cbll-rule{font-size:11px}}

/* v1.3.0 design update */
.cbll-app{font-size:16px!important;padding:18px clamp(15px,2.5vw,45px) 45px;--line:#e5ddf7}.cbll-heading{background:linear-gradient(110deg,#faf8ff,#e8dcff 70%,#d4b6ff);border-radius:25px;padding:28px 35px!important;margin-bottom:20px;min-height:210px}.cbll-heading h1{font-size:clamp(36px,3.4vw,54px);font-weight:850}.cbll-heading p{font-size:18px}.cbll-eyebrow{display:block;font-size:11px;font-weight:800;letter-spacing:1.5px;color:#7331d7}.cbll-back{font-size:14px;font-weight:750}.cbll-title-art{width:170px;height:170px}.cbll-hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.cbll-hero-tags span{background:#ffffffd9;border-radius:12px;padding:7px 12px;font-size:12px;font-weight:700}.cbll-layout{grid-template-columns:minmax(0,1fr) minmax(285px,340px);gap:18px}.cbll-board,.cbll-sidebar section{background:#fff;border:1px solid var(--line);border-radius:23px;box-shadow:0 12px 30px #2d175b09}.cbll-board{padding:24px}.cbll-rule{font-size:14px;padding:13px;border-radius:13px;background:#f8f5ff}.cbll-clues{gap:10px}.cbll-clues>li{padding:13px;border-radius:15px;grid-template-columns:65px 140px minmax(0,1fr)}.cbll-clue-number{font-size:12px}.cbll-digits b{width:39px;height:46px;font-size:25px}.cbll-clue-text{font-size:15px}.cbll-app button{font-size:14px!important;font-weight:750!important;border-radius:12px!important;word-break:normal;overflow-wrap:normal;line-height:1.35!important;min-height:44px}.cbll-app button:focus-visible,.cbll-app input:focus-visible{outline:3px solid #a77df7;outline-offset:2px}.cbll-app .cbll-primary{background:linear-gradient(115deg,#8438f3,#5a22cc);box-shadow:0 5px 15px #6b29d32b}.cbll-sidebar section{padding:22px}.cbll-sidebar h2{font-size:21px}.cbll-stats>div{background:#f0eaff;border-radius:15px;text-align:center;padding:17px 8px}.cbll-stats strong{font-size:34px!important}.cbll-stats span{font-size:13px!important;font-weight:700}.cbll-small{font-size:13px!important}.cbll-learn-head{background:linear-gradient(110deg,#f5efff,#e7d9ff);border-radius:22px;padding:25px 28px;margin-bottom:18px}.cbll-learn-head span{font-size:12px;font-weight:850;letter-spacing:1.4px;color:#7133d5}.cbll-learn-head h2{font-size:29px;margin:7px 0}.cbll-learn-head p{font-size:15px;color:#52476f}.cbll-tips{margin-top:22px}.cbll-tip-grid article{padding:23px;border-radius:18px;min-height:150px}.cbll-tip-grid h3{font-size:17px}.cbll-tip-grid p{font-size:14px}.cbll-explainer{margin-top:22px;border:1px solid var(--line);border-radius:22px;padding:25px;background:#fff}.cbll-explainer>p{font-size:15px}.cbll-explainer details p{font-size:14px}
@media(max-width:1050px){.cbll-layout{grid-template-columns:1fr}.cbll-sidebar{grid-template-columns:repeat(2,minmax(0,1fr))}.cbll-history{grid-column:1/-1}}
@media(max-width:650px){.cbll-app{padding:12px 12px 30px;font-size:15px!important}.cbll-heading{padding:20px 17px!important;min-height:0;border-radius:19px;gap:8px;margin-bottom:14px}.cbll-heading-copy{max-width:78%}.cbll-heading h1{font-size:30px}.cbll-heading p{font-size:13px}.cbll-eyebrow{font-size:9px}.cbll-back{font-size:12px}.cbll-title-art{width:77px;height:92px;margin:0}.cbll-hero-tags{gap:5px;margin-top:11px}.cbll-hero-tags span{font-size:10px;padding:5px 7px}.cbll-board{padding:14px 10px;border-radius:19px}.cbll-rule{font-size:12px;padding:10px}.cbll-clues>li{grid-template-columns:95px minmax(0,1fr);gap:4px 9px;padding:10px 8px}.cbll-clue-number{grid-column:1/-1;font-size:10px}.cbll-digits b{width:28px;height:37px;font-size:22px}.cbll-clue-text{font-size:12px}.cbll-app button{font-size:12px!important;min-height:44px}.cbll-tools{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}.cbll-tools button:last-child{grid-column:1/-1}.cbll-sidebar{grid-template-columns:1fr}.cbll-history{grid-column:auto}.cbll-sidebar section{padding:19px}.cbll-tip-grid{grid-template-columns:1fr}.cbll-tip-grid article{min-height:0;padding:18px}.cbll-learn-head{padding:20px}.cbll-learn-head h2{font-size:25px}.cbll-explainer{padding:18px}}

/* v1.4.0 professional layout refinements */
.cbll-app{--ink:#191739;--muted:#605b78;line-height:1.6}.cbll-sidebar section{background:#fff;border-radius:20px;padding:24px}.cbll-sidebar h2{font-size:20px;letter-spacing:-.45px;margin-bottom:18px}.cbll-stat-card h2{text-align:center}.cbll-stat-icon{display:block;font-size:27px!important;margin-bottom:5px}.cbll-stats>div{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:154px;background:#f0eaff!important;border-color:#e7dcff!important;padding:14px 8px}.cbll-stats>div:nth-child(2){background:#e9f8f2!important;border-color:#d8f1e7!important}.cbll-stats strong{font-size:38px!important;line-height:1.25}.cbll-stats span:not(.cbll-stat-icon){font-size:13px!important;line-height:1.35;text-align:center}.cbll-stat-card #cbll-storage{text-align:center;font-size:12px!important;margin-top:15px!important}.cbll-help li{font-size:14px;line-height:1.6;margin:15px 0}.cbll-history label{font-size:13px}.cbll-history #cbll-open-date{background:linear-gradient(115deg,#853af1,#6027d4)!important;color:white!important;border:0!important;min-height:48px}.cbll-history .cbll-text-button{width:100%;text-align:center}.cbll-history .cbll-small{text-align:center}.cbll-clues>li{border-radius:15px;box-shadow:0 2px 8px #25104a05}.cbll-clue-number{font-size:12px;font-weight:800}.cbll-digits{justify-content:center}.cbll-clue-text{line-height:1.55}.cbll-code-field{border:1px solid #e5dafa;border-radius:17px;padding:18px;background:linear-gradient(120deg,#faf7ff,#fff)}.cbll-code-field legend{font-size:17px;font-weight:800;padding:0 8px}.cbll-digit-input{border:2px solid #d8c9f2!important}.cbll-entry .cbll-primary{font-size:16px!important}.cbll-result{padding:24px;border-radius:17px;text-align:center}.cbll-result h2{font-size:26px}.cbll-result p{font-size:14px!important}.cbll-result.cbll-revealed{background:#fffaf2;border-color:#efdfc4}.cbll-tip-grid article{background:#fff!important;border:1px solid #e6def5!important;min-height:0;box-shadow:0 6px 18px #30165707}.cbll-tip-grid article>span{background:#f0e7ff;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-size:24px}.cbll-tip-grid h3{font-size:17px;font-weight:800}.cbll-tip-grid p{font-size:14px}.cbll-explainer details{border-radius:13px;padding:17px 19px}.cbll-explainer summary{font-size:14px;font-weight:750}.cbll-learn-head p{max-width:850px}.cbll-app button{transition:background .18s ease,transform .18s ease,box-shadow .18s ease}.cbll-app button:not(:disabled):hover{transform:translateY(-1px)}
@media(max-width:650px){.cbll-heading{align-items:center}.cbll-title-art{width:84px;height:84px;flex-shrink:0}.cbll-board{padding:16px 12px}.cbll-clues>li{grid-template-columns:96px minmax(0,1fr)}.cbll-clue-text{font-size:12px}.cbll-code-field{padding:14px 10px}.cbll-entry{flex-wrap:wrap;justify-content:center}.cbll-entry .cbll-primary{flex:1;min-width:100px}.cbll-sidebar h2{text-align:center}.cbll-stat-card #cbll-storage{text-align:center}.cbll-tip-grid article{grid-template-columns:44px 1fr;gap:3px 12px}.cbll-learn-head h2{font-size:24px}.cbll-explainer{padding:18px}.cbll-stats>div{min-height:140px}}