:root{--b:#173b78;--p:#6d37c5;--ink:#172033;--muted:#657085;--line:#e3e8f4;--soft:#f6f8ff;--ok:#087f5b}
.bgkrb-panel .bgkrb-tools label{display:flex;align-items:center;gap:6px;font-size:12px;color:#172033}
.bgkrb-panel .bgkrb-tools select{width:auto;max-width:220px;min-height:34px;margin:0;padding:5px 8px;font-size:13px}
.bgkrb-panel .bgkrb-tools select[data-format="fontName"] option[value="MV Boli"]{font-family:"MV Boli","Comic Sans MS",cursive}
.bgkrb-panel .bgkrb-tools input[type=color]{width:38px;height:34px;min-height:34px;padding:3px;margin:0}
.bgkrb-tools button{color:#172033!important;min-height:36px;font-size:13px}
.bgkrb-tools button:hover{background:#e7edff}
.bgkrb-tools button:focus-visible{outline:3px solid #93b4ff}
.bgkrb-tools button:disabled{opacity:.42;cursor:not-allowed;background:#f2f4f8;color:#667085!important}
.bgkrb-tools button.bgkrb-image-delete:not(:disabled){border-color:#fecaca;background:#fff1f2;color:#b42318!important}
.bgkrb-tools button.bgkrb-image-delete:not(:disabled):hover{background:#ffe4e6}
#bgkrb-editor-status{font-size:13px;color:#526078;margin:8px 0}
.bgkrb-preview img,.bgkrb-reading-content img{max-width:100%;height:auto}
#bgkrb-preview img{cursor:pointer!important;pointer-events:auto!important;user-select:none;transition:outline-color .15s,box-shadow .15s}
#bgkrb-preview img:hover{outline:2px solid #b9a6ef;outline-offset:3px}
#bgkrb-preview img.bgkrb-image-selected{outline:4px solid #6d37c5;outline-offset:4px;box-shadow:0 0 0 8px rgba(109,55,197,.12)}
.bgkrb-preview th,.bgkrb-reading-content th{border:1px solid #6d49a1!important;padding:9px;background:linear-gradient(135deg,#32105f,#5b21b6)!important;color:#fff!important;-webkit-text-fill-color:#fff!important;font-weight:800!important;text-shadow:0 1px 1px rgba(0,0,0,.3)!important}
.bgkrb-preview th :where(*),.bgkrb-reading-content th :where(*){color:#fff!important;-webkit-text-fill-color:#fff!important}
.bgkrb-image-selection-bar{position:fixed;left:50%;bottom:20px;z-index:1000000;display:flex;align-items:center;gap:9px;max-width:calc(100vw - 28px);padding:11px 13px;border:1px solid rgba(255,255,255,.55);border-radius:16px;background:rgba(23,18,51,.94);color:#fff;box-shadow:0 18px 55px rgba(16,10,45,.38);backdrop-filter:blur(16px);transform:translateX(-50%)}
.bgkrb-image-selection-bar strong{max-width:250px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#fff}
.bgkrb-image-selection-bar .bgkrb-image-size{margin:0;color:#d9ccff;font-size:12px;font-weight:800;white-space:nowrap}
.bgkrb-panel #bgkrb-image-selection-bar label{display:flex;align-items:center;gap:6px;margin:0;color:#fff;font-size:12px;font-weight:800;white-space:nowrap}
.bgkrb-panel #bgkrb-image-selection-bar select{display:inline-block;width:auto;min-width:92px;min-height:38px;margin:0;padding:7px 28px 7px 9px;border:1px solid rgba(255,255,255,.3);border-radius:9px;background:#fff;color:#251044;font-size:13px;font-weight:800}
.bgkrb-image-selection-bar button{min-height:38px;padding:8px 12px;border:1px solid rgba(255,255,255,.25);border-radius:10px;background:#fff;color:#251044;font-weight:800;cursor:pointer}
.bgkrb-image-selection-bar button:hover{background:#f0e9ff}
.bgkrb-image-selection-bar .bgkrb-image-delete{border-color:#fecdd3;background:#fff1f2;color:#b42318}
.bgkrb-image-resize-overlay{position:fixed;z-index:999999;box-sizing:border-box;border:3px solid #6d37c5;pointer-events:none;box-shadow:0 0 0 2px rgba(255,255,255,.9),0 0 0 7px rgba(109,55,197,.16)}
.bgkrb-image-resize-overlay[hidden],.bgkrb-image-drop-marker[hidden]{display:none!important}
.bgkrb-image-resize-handle{position:absolute;width:18px;height:18px;min-width:18px;min-height:18px;padding:0;border:3px solid #fff;border-radius:50%;background:#6d37c5;box-shadow:0 2px 8px rgba(26,10,56,.38);pointer-events:auto;touch-action:none}
.bgkrb-image-resize-handle.is-nw{left:0;top:0;cursor:nwse-resize;transform:translate(-55%,-55%)}
.bgkrb-image-resize-handle.is-ne{right:0;top:0;cursor:nesw-resize;transform:translate(55%,-55%)}
.bgkrb-image-resize-handle.is-sw{left:0;bottom:0;cursor:nesw-resize;transform:translate(-55%,55%)}
.bgkrb-image-resize-handle.is-se{right:0;bottom:0;cursor:nwse-resize;transform:translate(55%,55%)}
.bgkrb-image-move-handle{position:absolute;left:50%;top:7px;z-index:2;min-height:32px;padding:5px 13px;border:2px solid #fff;border-radius:999px;background:#173b78;color:#fff;font-size:12px;font-weight:900;line-height:1;cursor:grab;pointer-events:auto;touch-action:none;transform:translateX(-50%);box-shadow:0 4px 14px rgba(23,18,51,.32)}
.bgkrb-image-resize-overlay.is-moving .bgkrb-image-move-handle{cursor:grabbing}
.bgkrb-image-drop-marker{position:fixed;z-index:1000001;width:4px;border-radius:4px;background:#00b96b;box-shadow:0 0 0 3px rgba(255,255,255,.9),0 0 0 7px rgba(0,185,107,.2);pointer-events:none}
#bgkrb-preview img.bgkrb-image-selected{cursor:grab!important}
#bgkrb-preview img.bgkrb-image-dragging{cursor:grabbing!important;opacity:.56}
#bgkrb-preview img.bgkrb-wrap-inline.bgkrb-align-left{float:none!important;clear:none!important;display:inline-block!important;margin:8px 12px 8px 0!important;shape-outside:none!important}
#bgkrb-preview img.bgkrb-wrap-inline.bgkrb-align-center{float:none!important;clear:both!important;display:block!important;margin:12px auto!important;shape-outside:none!important}
#bgkrb-preview img.bgkrb-wrap-inline.bgkrb-align-right{float:none!important;clear:both!important;display:block!important;margin:12px 0 12px auto!important;shape-outside:none!important}
#bgkrb-preview img.bgkrb-wrap-square.bgkrb-align-left,#bgkrb-preview img.bgkrb-wrap-tight.bgkrb-align-left{float:left!important;clear:none!important;display:block!important}
#bgkrb-preview img.bgkrb-wrap-square.bgkrb-align-right,#bgkrb-preview img.bgkrb-wrap-tight.bgkrb-align-right{float:right!important;clear:none!important;display:block!important}
#bgkrb-preview img.bgkrb-wrap-square.bgkrb-align-center,#bgkrb-preview img.bgkrb-wrap-tight.bgkrb-align-center{float:none!important;clear:both!important;display:block!important;margin:14px auto!important;shape-outside:none!important}
#bgkrb-preview img.bgkrb-wrap-square.bgkrb-align-left{margin:6px 18px 12px 0!important;shape-outside:margin-box!important;shape-margin:10px!important}
#bgkrb-preview img.bgkrb-wrap-square.bgkrb-align-right{margin:6px 0 12px 18px!important;shape-outside:margin-box!important;shape-margin:10px!important}
#bgkrb-preview img.bgkrb-wrap-tight.bgkrb-align-left{margin:4px 12px 8px 0!important;shape-outside:inset(0 round 14px)!important;shape-margin:4px!important}
#bgkrb-preview img.bgkrb-wrap-tight.bgkrb-align-right{margin:4px 0 8px 12px!important;shape-outside:inset(0 round 14px)!important;shape-margin:4px!important}
.bgkrb-preview ul,.bgkrb-reading-content ul{list-style:disc;padding-left:28px}
.bgkrb-preview ol,.bgkrb-reading-content ol{list-style:decimal;padding-left:28px}
.bgkrb-preview blockquote,.bgkrb-reading-content blockquote{border-left:4px solid #8b9be8;padding-left:18px;margin-left:0}
#bgkrb-upload{padding:13px 22px;background:#173b78;color:#fff;border:0;border-radius:12px;font-weight:800;cursor:pointer}#bgkrb-upload:disabled{opacity:.5;cursor:not-allowed}.bgkrb-panel .bgkrb-approval{display:flex;align-items:center;gap:12px;margin-top:18px;padding:15px;background:#ecfdf5;border:1px solid #a7f3d0;border-radius:12px}.bgkrb-panel .bgkrb-approval input{width:20px;min-height:20px;margin:0;flex-shrink:0}
.bgkrb-standalone{margin:0;background:#f4f6fb}.bgkrb-topbar{min-height:64px;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:15px;background:#0f234e;color:#fff}.bgkrb-topbar>a{font-size:23px;font-weight:1000;color:#fff!important;text-decoration:none}.bgkrb-topbar div{display:flex;gap:9px}.bgkrb-topbar div a{padding:9px 12px;border-radius:9px;background:rgba(255,255,255,.1);color:#fff!important;text-decoration:none;font-weight:800}
.bgkrb-shell{max-width:1180px;margin:20px auto;padding:0 14px;color:var(--ink);font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif}
.bgkrb-hero{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:28px;border-radius:24px;background:linear-gradient(135deg,#102d68,#6d37c5);color:#fff;box-shadow:0 18px 45px rgba(23,59,120,.22);margin-bottom:18px}.bgkrb-hero span{font-size:12px;font-weight:900;letter-spacing:.12em;color:#d8e8ff}.bgkrb-hero h1{margin:5px 0 8px;color:#fff;font-size:clamp(28px,4vw,44px);line-height:1}.bgkrb-hero p{margin:0;max-width:740px;color:#eef2ff;font-size:16px}.bgkrb-hero-icon{display:grid;place-items:center;width:84px;height:84px;border-radius:24px;background:rgba(255,255,255,.13);font-weight:1000;letter-spacing:.08em}
.bgkrb-builder{display:grid;gap:16px}.bgkrb-panel{padding:20px;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:0 10px 30px rgba(20,31,70,.06);margin-bottom:16px}.bgkrb-step{display:flex;gap:13px;align-items:flex-start;margin-bottom:18px}.bgkrb-step>b{display:grid;place-items:center;flex:0 0 34px;height:34px;border-radius:11px;background:linear-gradient(135deg,var(--b),var(--p));color:#fff}.bgkrb-step h2{font-size:21px;margin:1px 0 3px;color:#172c61}.bgkrb-step p{margin:0;color:var(--muted)}
.bgkrb-fields{display:grid;gap:12px}.bgkrb-fields.three{grid-template-columns:1fr .7fr 1.6fr}.bgkrb-fields.two{grid-template-columns:1fr 1fr;margin-top:12px}.bgkrb-panel label{font-weight:800;font-size:14px}.bgkrb-panel input,.bgkrb-panel select{display:block;width:100%;box-sizing:border-box;margin-top:7px;min-height:47px;padding:10px 12px;border:1px solid #cfd7e8;border-radius:12px;background:#fff;color:var(--ink);font:inherit}.bgkrb-panel input:focus,.bgkrb-panel select:focus{outline:3px solid #dbeafe;border-color:#4f46e5}
.bgkrb-shell [hidden]{display:none!important}
@media(min-width:781px){.bgkrb-fields.three{grid-template-columns:minmax(160px,1fr) minmax(190px,1.2fr) minmax(110px,.65fr) minmax(230px,1.7fr)}}
#bgkrb-form #bgkrb-file{display:block!important;position:static!important;opacity:1!important;visibility:visible!important;width:100%!important;height:auto!important;min-height:54px;max-width:100%;padding:10px;background:#f5f7fc!important;color:#172033!important;border:1px solid #aab8d1;clip:auto!important;clip-path:none!important}
#bgkrb-file::file-selector-button{padding:10px 16px;margin-right:12px;border:0;border-radius:8px;background:#173b78;color:#fff;cursor:pointer;font-weight:700}
#bgkrb-selected{overflow-wrap:anywhere;padding:12px;background:#eef3ff;color:#173b78;border-radius:8px;font-weight:700}
#bgkrb-file-help{font-size:13px;line-height:1.6;color:#526078}
#bgkrb-startup{color:#9f1239}
.bgkrb-progress{margin-top:15px}.bgkrb-progress>div{height:9px;overflow:hidden;border-radius:99px;background:#e8ecf5}.bgkrb-progress span{display:block;width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,#2563eb,#7c3aed);transition:.25s}.bgkrb-progress p{margin:7px 0 0;color:var(--muted);font-weight:700}.bgkrb-progress.error p{color:#b42318}.bgkrb-progress.error span{background:#dc2626}
.bgkrb-tools{display:flex;gap:7px;align-items:center;flex-wrap:wrap;padding:9px;border:1px solid var(--line);border-bottom:0;border-radius:12px 12px 0 0;background:#f8faff}.bgkrb-tools button{border:1px solid #d7deed;border-radius:8px;padding:7px 10px;background:#fff;cursor:pointer}.bgkrb-tools span{margin-left:auto;color:var(--muted);font-size:13px;font-weight:800}.bgkrb-preview{min-height:360px;max-height:650px;overflow:auto;padding:25px;border:1px solid var(--line);border-radius:0 0 12px 12px;background:#fff;line-height:1.75}.bgkrb-preview h2{padding-bottom:7px;border-bottom:2px solid #e8ecf5;color:#173b78}.bgkrb-preview h3{color:#43258a}.bgkrb-page{margin-bottom:35px}.bgkrb-bullet{padding-left:18px}.bgkrb-responsive-table{overflow:auto}.bgkrb-preview table,.bgkrb-reading-content table{border-collapse:collapse;width:100%}.bgkrb-preview td,.bgkrb-reading-content td{border:1px solid #ccd4e2;padding:9px}
.bgkrb-submit{position:sticky;bottom:10px;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:15px;padding:15px 18px;border:1px solid #cdd7ec;border-radius:16px;background:rgba(255,255,255,.96);box-shadow:0 14px 40px rgba(20,31,70,.15);backdrop-filter:blur(10px);margin-bottom:20px}.bgkrb-submit div{display:flex;flex-direction:column}.bgkrb-submit small{color:var(--muted)}.bgkrb-submit button,.bgkrb-reader-actions button,.bgkrb-reader-actions a{border:0;border-radius:999px;padding:11px 17px;background:linear-gradient(135deg,var(--b),var(--p));color:#fff!important;text-decoration:none;font-weight:900;cursor:pointer}.bgkrb-submit button:disabled{opacity:.45;cursor:not-allowed}
.bgkrb-alert{padding:13px 15px;border-radius:13px;margin-bottom:15px;font-weight:800}.bgkrb-alert.success{background:#ecfdf5;border:1px solid #a7f3d0;color:#067647}.bgkrb-alert.error{background:#fff1f2;border:1px solid #fecdd3;color:#9f1239}.bgkrb-table{overflow:auto}.bgkrb-table table{width:100%;border-collapse:collapse;min-width:680px}.bgkrb-table th,.bgkrb-table td{padding:12px;border-bottom:1px solid var(--line);text-align:left}.bgkrb-table th{background:#f7f9fe;color:#273b6a}.bgkrb-table a{display:inline-block;margin:2px 6px 2px 0;font-weight:800}.bgkrb-table a.danger{color:#b42318}
.bgkrb-reader{max-width:980px;margin:24px auto;padding:0 16px}.bgkrb-reader>header{padding:26px;border-radius:22px;background:linear-gradient(135deg,#102d68,#6d37c5);color:#fff;margin-bottom:16px}.bgkrb-reader>header span{font-size:12px;font-weight:900;letter-spacing:.1em;color:#d8e8ff}.bgkrb-reader>header h1{color:#fff;margin:7px 0 15px}.bgkrb-reader-actions{display:flex;gap:8px;flex-wrap:wrap}.bgkrb-reading-content{padding:clamp(20px,4vw,46px);border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:0 10px 30px rgba(20,31,70,.06);font-size:17px;line-height:1.8}.bgkrb-reading-content h2{margin-top:35px;padding-bottom:8px;border-bottom:2px solid #e8ecf5;color:#173b78}.bgkrb-reading-content h3{color:#43258a}.bgkrb-original{margin-top:18px;border:1px solid var(--line);border-radius:15px;overflow:hidden}.bgkrb-original summary{padding:14px;background:#f8faff;font-weight:900;cursor:pointer}.bgkrb-original iframe{width:100%;height:80vh;border:0}.bgkrb-lessons{display:grid;gap:12px}.bgkrb-lessons a,.bgkrb-cards a{display:flex;justify-content:space-between;gap:12px;padding:18px;border:1px solid var(--line);border-radius:16px;background:#fff;color:var(--ink)!important;text-decoration:none;box-shadow:0 8px 22px rgba(20,31,70,.05)}.bgkrb-lessons span{color:var(--p);font-weight:800}.bgkrb-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.bgkrb-cards a{display:block}.bgkrb-cards span{font-size:11px;color:var(--p);font-weight:900}.bgkrb-cards h2{font-size:19px;margin:10px 0}.bgkrb-cards p{color:var(--muted);margin:0}
.bgkrb-modal-open{overflow:hidden}.bgkrb-access-modal{position:fixed;inset:0;z-index:999999;display:grid;place-items:center;padding:18px}.bgkrb-access-backdrop{position:absolute;inset:0;background:rgba(8,10,28,.72);backdrop-filter:blur(7px)}.bgkrb-access-dialog{position:relative;width:min(520px,100%);padding:34px;border:1px solid rgba(255,255,255,.5);border-radius:26px;background:linear-gradient(145deg,rgba(255,255,255,.98),rgba(248,244,255,.97));box-shadow:0 30px 90px rgba(12,8,42,.4);text-align:center}.bgkrb-access-close{position:absolute;right:15px;top:12px;width:38px;height:38px;border:0;border-radius:50%;background:#efe9ff;color:#39116f;font-size:27px;line-height:1;cursor:pointer}.bgkrb-access-icon{display:grid;place-items:center;width:66px;height:66px;margin:0 auto 14px;border-radius:20px;background:linear-gradient(135deg,#5d20b8,#a400ff);font-size:31px;box-shadow:0 12px 25px rgba(109,55,197,.3)}.bgkrb-access-kicker{margin:0;color:#7b19d2!important;font-size:12px;font-weight:950;letter-spacing:.12em}.bgkrb-access-dialog h2{margin:8px 0 10px;font-size:clamp(23px,5vw,32px);line-height:1.15;color:#15152d}.bgkrb-access-dialog>p:not(.bgkrb-access-kicker){margin:0 auto 22px;max-width:420px;color:#5e6474}.bgkrb-access-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}.bgkrb-access-actions a{display:block;padding:13px 17px;border-radius:13px;text-decoration:none!important;font-weight:900}.bgkrb-access-actions a:first-child{background:#17152d;color:#fff!important}.bgkrb-access-actions a:last-child{background:linear-gradient(135deg,#6d22c9,#a600ff);color:#fff!important}.bgkrb-locked-course{cursor:pointer}
body.bgkrb-focus>*:not(.site):not(#page){display:none}.bgkrb-focus .site-header,.bgkrb-focus header:not(.bgkrb-reader>header),.bgkrb-focus .site-footer{display:none!important}
@media(max-width:780px){.bgkrb-hero-icon{display:none}.bgkrb-fields.three,.bgkrb-fields.two,.bgkrb-cards{grid-template-columns:1fr}.bgkrb-panel{padding:15px}.bgkrb-submit{align-items:stretch;flex-direction:column}.bgkrb-submit button{width:100%}.bgkrb-preview{padding:16px}.bgkrb-reader{padding:0 9px}.bgkrb-reading-content{padding:19px;font-size:16px}.bgkrb-access-dialog{padding:30px 20px 22px}.bgkrb-access-actions{grid-template-columns:1fr}.bgkrb-image-selection-bar{left:10px;right:10px;bottom:10px;max-width:none;max-height:46vh;overflow:auto;flex-wrap:wrap;justify-content:center;transform:none}.bgkrb-image-selection-bar strong{flex:1 0 100%;max-width:none;text-align:center}.bgkrb-image-selection-bar .bgkrb-image-size{margin:0}.bgkrb-panel #bgkrb-image-selection-bar label{flex:1 1 130px;justify-content:center}.bgkrb-panel #bgkrb-image-selection-bar select{min-width:88px}.bgkrb-image-move-handle{min-height:38px;padding:7px 15px}}
@media print{header,.site-header,.site-footer,.bgkrb-reader-actions,.bgkrb-original{display:none!important}.bgkrb-reading-content{border:0;box-shadow:none;padding:0}}
.bgkrb-rank-sequence{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:18px 0;padding:14px;background:#f7f4ff;border:1px solid #ded6f5;border-radius:12px}.bgkrb-rank-sequence>span{font-size:14px;font-weight:650;padding:5px 9px;background:#fff;border-radius:6px}

/* Always-visible authoring surface. */
#bgkrb-preview { min-height:420px; padding:28px; background:#fff; color:#172033; outline-offset:3px; }
#bgkrb-preview:empty:before { content:"Start writing your course here, or paste text and images…"; color:#69758a; pointer-events:none; }
.bgkrb-tools { gap:6px; padding:14px; border:1px solid #dce2ee; background:#f5f7fc; }
.bgkrb-tools button,.bgkrb-tools select { color:#172033; background:#fff; border:1px solid #cbd4e4; }
.bgkrb-panel > summary { font-size:20px; font-weight:700; cursor:pointer; padding:8px; }
#bgkrb-review-content { border:2px solid #9a5cff; margin:18px 0; }
.bgkrb-manage td a { display:inline-block; margin:5px; }
/* Publisher destination stays visible beneath the subject and course pickers. */
.bgkrb-destination{margin:16px 0 0;padding:12px 16px;border:1px solid #dcd8fa;border-radius:14px;background:#f8f6ff;color:#24304d;line-height:1.5}
.bgkrb-destination a{font-weight:800;color:#6a24bb;text-decoration:underline;text-underline-offset:3px}