/* BeyondBooks native student UI — Khaga v2.67.67. Designed as an in-app extension,
   never a standalone page or image baked into the plugin. Admin config drives artwork. */
.kh64-integrated{--kh67-ink:#102846;--kh67-muted:#547089;--kh67-line:#d5e7ee;--kh67-cyan:#00b2d6;--kh67-orange:#e53b2e;font-family:'Anek Bangla','Hind Siliguri',system-ui,sans-serif;color:var(--kh67-ink);max-width:none;width:100%;min-width:0}
.kh64-integrated *{box-sizing:border-box}
.kh64-integrated a,.kh64-integrated button{touch-action:manipulation}
.kh64-integrated a:focus-visible,.kh64-integrated button:focus-visible,.kh64-integrated input:focus-visible{outline:3px solid #00b2d6;outline-offset:3px}
.kh64-integrated .bb2360-front{max-width:none;width:100%;min-width:0}
.kh64-integrated .bb2360-front .hero.kh67-hero{height:auto;min-height:var(--kh67-hero-height,210px)!important;margin:0 0 19px!important;padding:clamp(23px,3.1vw,41px)!important;display:flex;align-items:center;justify-content:space-between;gap:24px;border:1px solid #cbe5ef!important;border-radius:25px!important;background:linear-gradient(108deg,#e5faff 0%,#fff 71%,#fef4ee 100%)!important;position:relative;overflow:hidden}
.kh64-integrated .bb2360-front .hero.kh67-hero.kh66-has-banner{background-image:linear-gradient(90deg,rgba(9,31,53,var(--kh67-hero-overlay,.36)) 0%,rgba(9,31,53,.16) 52%,transparent 100%),var(--kh66-banner)!important;background-size:cover!important;background-position:center var(--kh67-hero-focus,50%)!important}
.kh64-integrated .bb2360-front .hero.kh67-hero:after{display:none!important}
.kh64-integrated .kh67-hero .kh66-home-copy{position:relative;z-index:1;max-width:680px;min-width:0}
.kh64-integrated .kh67-hero .kh66-home-copy h1{font-size:clamp(38px,4.2vw,58px)!important;line-height:1.12;margin:0 0 12px!important;font-weight:1000;letter-spacing:-.025em}
.kh64-integrated .kh67-hero .kh66-home-copy h1 span{color:#e53b2e}
.kh64-integrated .kh67-hero .kh66-home-copy p{margin:0!important;font-size:clamp(18px,1.6vw,21px)!important;line-height:1.55!important;font-weight:800;color:#355770;max-width:660px}
.kh64-integrated .kh67-hero.kh66-has-banner .kh66-home-copy h1 span,.kh64-integrated .kh67-hero.kh66-has-banner .kh66-home-copy p{color:#fff!important;text-shadow:0 2px 9px #08273a80}
.kh64-integrated .kh67-hero .kh66-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:23px}
.kh64-integrated .kh67-hero .kh66-hero-actions a{display:inline-flex;align-items:center;justify-content:center;min-height:47px;padding:11px 20px;background:#e53b2e;color:white;font-weight:950;font-size:17px;border-radius:13px;text-decoration:none;border:1px solid #e53b2e;box-shadow:0 6px 17px #e53b2e22}
.kh64-integrated .kh67-hero .kh66-hero-actions a+a{color:#102846;background:#fff;border:1px solid #c1e4ee;box-shadow:none}
.kh64-integrated .kh67-hero.kh66-has-banner .kh66-hero-actions a+a{background:#fffffff0;color:#102846}
.kh64-integrated .kh67-hero-shortcut{min-width:145px;height:130px;display:flex;align-items:center;justify-content:center;gap:4px;flex-direction:column;flex-shrink:0;color:#087f9e;transform:rotate(-8deg);background:linear-gradient(135deg,#d1f7ff,#fff5ef);border:3px solid #fff;border-radius:35px;box-shadow:0 15px 34px #125e7420}
.kh64-integrated .kh67-hero-shortcut span{color:#e53b2e;font-size:28px;line-height:1}
.kh64-integrated .kh67-hero-shortcut strong{font-size:37px;font-weight:1000;line-height:1}
.kh64-integrated .kh67-leaders{border:1px solid var(--kh67-line);background:#fff;border-radius:21px;margin:0 0 16px;padding:17px clamp(15px,2.3vw,27px)}
.kh64-integrated .kh67-leaders-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:11px}
.kh64-integrated .kh67-leaders-heading h2{font-size:clamp(21px,2.1vw,27px);line-height:1.25;margin:0;font-weight:1000;color:#112e4b}
.kh64-integrated .kh67-leaders-heading a{font-size:16px;white-space:nowrap;text-decoration:none;color:#047c99;font-weight:950}
.kh64-integrated .kh67-leader-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(205px,1fr));gap:0}
.kh64-integrated .kh67-leader{display:flex;align-items:center;gap:9px;min-width:0;padding:9px 15px;border-left:1px solid var(--kh67-line)}
.kh64-integrated .kh67-leader:first-child{border-left:0;padding-left:0}
.kh64-integrated .kh67-leader-place{font-size:26px;line-height:1;flex-shrink:0}
.kh64-integrated .kh67-leader img{height:43px;width:43px;flex:none;border-radius:50%;object-fit:cover;border:2px solid #b6eafa}
.kh64-integrated .kh67-leader-name{font-size:17px;font-weight:950;flex:1;min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.kh64-integrated .kh67-leader strong{font-size:14px;color:#39758c;white-space:nowrap;font-weight:950}
.kh64-integrated .kh67-leader-empty{font-size:16px;color:#547089;margin:6px 0;font-weight:700}
.kh64-integrated .kh67-user-shortcuts{display:flex;align-items:center;gap:10px;margin:0 0 16px;flex-wrap:wrap}
.kh64-integrated .kh67-user-shortcuts a{text-decoration:none;color:#12627e;font-size:16px;font-weight:900;padding:10px 16px;min-height:44px;display:inline-flex;align-items:center;background:#eefbff;border-radius:12px;border:1px solid #cfebf3}
.kh64-integrated .kh67-browse-head,.kh64-integrated .kh67-section-heading{display:flex;justify-content:space-between;align-items:center;gap:14px;margin:14px 0 11px}
.kh64-integrated .kh67-browse-head h2,.kh64-integrated .kh67-section-heading h2{font-size:clamp(24px,2.7vw,31px);font-weight:1000;color:#102846;margin:0;line-height:1.2}
.kh64-integrated .kh67-browse-head span{font-weight:900;font-size:16px;color:#057f9a;white-space:nowrap}
.kh64-integrated .bb2360-front .filters{padding:12px 16px 15px!important;background:#fff;border:1px solid #d7e9f0;border-radius:17px!important;margin:0 0 15px!important;box-shadow:none!important}
.kh64-integrated .filters.kh67-categories-hidden .cat-tabs{display:none!important}
.kh64-integrated .bb2360-front .cat-tabs{flex-wrap:nowrap!important;overflow-x:auto;scrollbar-width:thin;padding:3px 0 9px;margin-bottom:8px}
.kh64-integrated .bb2360-front .cat-tabs a{font-size:15px!important;white-space:nowrap!important;flex-shrink:0;line-height:1.25;padding:9px 13px!important}
.kh64-integrated .bb2360-front .scope-tabs{gap:7px!important}
.kh64-integrated .bb2360-front .scope-tabs a{font-size:14px!important;padding:8px 12px!important}
.kh64-integrated .bb26754-discovery-tools{margin:9px 0 12px}
.kh64-integrated .bb26754-discovery-tools>b{font-size:16px}
.kh64-integrated .bb26754-sort a{font-size:14px;padding:8px 11px}
.kh64-integrated .bb2360-front .grid.kh67-challenge-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;margin:0 0 22px}
.kh64-integrated .bb2360-front .card{min-height:0!important;border-radius:19px!important;overflow:hidden;border:1px solid #d8e6ee;box-shadow:0 5px 20px #112f4a09!important;transition:transform .18s ease,box-shadow .18s ease}
.kh64-integrated .bb2360-front .card:hover{transform:translateY(-3px);box-shadow:0 12px 28px #112f4a16!important}
.kh64-integrated .bb2360-front .card .thumb{height:clamp(132px,15vw,203px)!important;background:linear-gradient(120deg,#e3f8fc,#f9fbff)!important}
.kh64-integrated .bb2360-front .card .thumb img{object-fit:cover;width:100%;height:100%}
.kh64-integrated .bb2360-front .card .body{padding:16px!important;gap:5px}
.kh64-integrated .bb2360-front .card h3{font-size:clamp(20px,1.8vw,25px)!important;line-height:1.25}
.kh64-integrated .bb2360-front .card p{font-size:15px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.kh64-integrated .bb2360-front .card .chip{font-size:12px!important;font-weight:850}
.kh64-integrated .bb2360-front .card .start{font-size:16px;min-height:44px;border-radius:12px}
.kh64-integrated .bb2360-front .kh67-spotlight .card.featured{border-color:#b9dce9;box-shadow:0 7px 22px #03809a10!important}
/* Profile uses existing BeyondBooks app shell and fewer card layers. */
.kh64-integrated .kh64-view-head{padding:0 0 18px;border-bottom:1px solid #d8e7ed;margin-bottom:18px}
.kh64-integrated .kh64-view-head h1{font-size:clamp(29px,3.3vw,42px);line-height:1.12;color:#102846;font-weight:1000}
.kh64-integrated .kh66-player{background:linear-gradient(108deg,#f2fbff,#fff 75%);border:1px solid #cce5ef;border-radius:23px;box-shadow:none;padding:clamp(19px,2.3vw,29px)}
.kh64-integrated .kh66-player-name h2{font-size:clamp(25px,2.6vw,34px);font-weight:1000}
.kh64-integrated .kh66-player-record div{background:transparent;border:0;border-left:1px solid #ccdee8;border-radius:0;padding:8px 13px}
.kh64-integrated .kh66-panel{border:1px solid #d6e7ee;border-radius:18px;box-shadow:none}
.kh64-integrated .kh66-tabs{margin-bottom:14px;gap:4px;border-bottom:1px solid #d2e6ec}
.kh64-integrated .kh66-tabs button{font-size:16px;font-weight:950}
.kh64-integrated .kh66-panel .kh66-overview-stats{gap:0;border-block:1px solid #d6e8ed;padding:8px 0}
.kh64-integrated .kh66-panel .kh66-overview-stats>div{border:0;background:transparent;border-left:1px solid #d7e7ed;border-radius:0}
.kh64-integrated .kh66-panel .kh66-overview-stats>div:first-child{border-left:0}
.kh64-integrated .kh66-overview-stats b{font-size:clamp(23px,2.7vw,31px)}
.kh64-integrated .kh66-history-row{border:1px solid #d8e8ed;border-radius:12px;margin:0 0 9px;background:#fff}
.kh64-integrated .kh66-history-row strong{font-size:17px}
.kh64-integrated .kh66-ranking-row{border:0!important;border-bottom:1px solid #e0eaf0!important;border-radius:0!important;background:#fff!important}
.kh64-integrated .kh66-ranking-row:first-child{background:#fffaf0!important}
.kh64-integrated .kh60-section{box-shadow:none!important}
.kh64-integrated .kh60-table tbody tr{background:#f9fcff}
/* Administration: discoverable grouping and sizeable editable fields. */
.kh67-admin-page .kh67-admin-controls{display:grid;grid-template-columns:repeat(2,minmax(220px,1fr));gap:10px;padding:12px 0}
.kh67-admin-page .kh67-admin-controls>p{grid-column:1/-1;margin:2px 0}
.kh67-admin-page .kh67-admin-controls input.regular-text{width:100%;min-height:39px}
.kh67-admin-page .kh67-admin-number{display:flex;align-items:center;gap:12px;justify-content:space-between;font-weight:650}
.kh67-admin-page .kh67-admin-number input{max-width:105px}
.kh67-admin-page .kh67-admin-toggle{display:flex;align-items:center;gap:8px;font-weight:750}
.kh67-admin-page .kh67-admin-controls select{max-width:100%}
@media(max-width:1150px){.kh64-integrated .bb2360-front .grid.kh67-challenge-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.kh64-integrated .kh67-leader-list{grid-template-columns:repeat(2,minmax(0,1fr))}.kh64-integrated .kh67-leader:nth-child(odd){border-left:0}}
@media(max-width:750px){.kh64-integrated .bb2360-front .hero.kh67-hero{min-height:min(260px,var(--kh67-hero-height,210px))!important;padding:24px!important}.kh64-integrated .kh67-hero-shortcut{display:none}.kh64-integrated .kh67-leader-list{grid-template-columns:1fr}.kh64-integrated .kh67-leader{border:0!important;border-top:1px solid #e2edf2!important;padding:9px 0}.kh64-integrated .kh67-leader:first-child{border-top:0!important}.kh64-integrated .kh67-hero .kh66-hero-actions a{font-size:15px;min-height:44px;padding:9px 12px}.kh64-integrated .kh67-browse-head h2,.kh64-integrated .kh67-section-heading h2{font-size:25px}.kh64-integrated .kh66-player-record div{padding:8px 6px}.kh67-admin-page .kh67-admin-controls{grid-template-columns:1fr}}
@media(max-width:560px){.kh64-integrated .bb2360-front .grid.kh67-challenge-grid{grid-template-columns:1fr}.kh64-integrated .bb2360-front .card .thumb{height:190px!important}.kh64-integrated .bb2360-front .filters{padding:11px!important}.kh64-integrated .kh67-leaders{padding:14px}.kh64-integrated .kh67-leaders-heading h2{font-size:21px}.kh64-integrated .kh66-overview-stats{grid-template-columns:1fr 1fr!important}.kh64-integrated .kh66-player-record{grid-template-columns:repeat(3,minmax(0,1fr));gap:0}}
@media(prefers-reduced-motion:reduce){.kh64-integrated .bb2360-front .card{transition:none}}
/* Admin live-preview mirrors the controlled home hero and contains no image assets. */
.kh67-admin-page .kh67-admin-home-preview{margin:15px 0 7px;max-width:750px;min-height:210px;display:flex;justify-content:center;align-items:flex-start;flex-direction:column;gap:8px;padding:22px 26px;isolation:isolate;position:relative;overflow:hidden;border:1px solid #cfe8ef;border-radius:18px;background:linear-gradient(115deg,#e7faff,#fff6f0);background-size:cover;color:#122f4a}
.kh67-admin-page .kh67-admin-home-preview[data-has-image="1"]{color:#fff;background-image:linear-gradient(90deg,rgba(8,30,50,var(--kh67-preview-overlay,.36)),transparent),var(--kh67-image);background-size:cover}
.kh67-admin-page .kh67-admin-home-preview h2{font-family:'Anek Bangla','Hind Siliguri',sans-serif;font-size:39px;line-height:1.1;font-weight:1000;margin:0;color:inherit}
.kh67-admin-page .kh67-admin-home-preview p{font-family:'Anek Bangla','Hind Siliguri',sans-serif;font-size:19px;font-weight:750;line-height:1.5;color:inherit;margin:0}
.kh67-admin-page .kh67-admin-home-preview span{display:inline-block;padding:10px 17px;border-radius:11px;background:#e53b2e;color:#fff;font-weight:900;font-size:17px;margin-top:6px}