/* ravindrabagale.com learner accounts UI. Self-contained (works on the home page and course pages).
   Light by default, dark via html[data-theme="dark"]. Purple -> cyan gradient, rounded cards. */
:root{--rbl-bg:#f7f8fc;--rbl-panel:#fff;--rbl-text:#1a1f33;--rbl-muted:#4a5168;--rbl-line:#e1e5ef;--rbl-head:#0e1222;--rbl-accent:#5b3df5;--rbl-link:#4a2fe0;--rbl-soft:#efeaff;--rbl-ok:#0f8a5f;--rbl-okbg:#e7f7f0;--rbl-bad:#c2364b;--rbl-badbg:#fdecef;--rbl-grad:linear-gradient(135deg,#7c5cff,#22d3ee);--rbl-shadow:0 1px 2px rgba(20,30,60,.05),0 10px 28px -14px rgba(20,30,60,.22);--rbl-r:16px}
[data-theme="dark"]{--rbl-bg:#0b0d14;--rbl-panel:#151927;--rbl-text:#e6e9f2;--rbl-muted:#a3a9bd;--rbl-line:#262b3d;--rbl-head:#f2f4fa;--rbl-accent:#8b72ff;--rbl-link:#8fd8ff;--rbl-soft:#1d1b3a;--rbl-ok:#4ade80;--rbl-okbg:#10291f;--rbl-bad:#ff8a9a;--rbl-badbg:#2e1219;--rbl-shadow:0 10px 30px -18px rgba(0,0,0,.85)}
.rbl-lock{overflow:hidden}
.rbl-muted{color:var(--rbl-muted)}
.rbl-ic{display:inline-flex;vertical-align:middle}
/* buttons */
.rbl-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;padding:11px 20px;font-weight:600;font-size:15px;line-height:1.2;font-family:inherit;color:#fff!important;background:var(--rbl-grad);box-shadow:0 8px 24px -10px rgba(124,92,255,.65);cursor:pointer;text-decoration:none!important;transition:transform .2s,box-shadow .2s,opacity .2s;white-space:nowrap}
.rbl-btn:hover{transform:translateY(-1px)}.rbl-btn:disabled{opacity:.6;cursor:default;transform:none}
.rbl-btn.sm{padding:8px 14px;font-size:14px}.rbl-btn.big{padding:14px 26px;font-size:16px}
.rbl-btn.ghost{background:transparent;color:var(--rbl-head)!important;border:1px solid var(--rbl-line);box-shadow:none}
.rbl-btn.ghost:hover{border-color:var(--rbl-accent)}
.rbl-btn.done{background:var(--rbl-okbg);color:var(--rbl-ok)!important;box-shadow:none;border:1px solid color-mix(in srgb,var(--rbl-ok) 40%,transparent)}
.rbl-btn.danger{background:transparent;color:var(--rbl-bad)!important;border:1px solid color-mix(in srgb,var(--rbl-bad) 45%,transparent);box-shadow:none}
.rbl-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.rbl-center{justify-content:center;text-align:center;margin:22px 0}
/* header "Track your progress" */
.rb-track{display:inline-flex;align-items:center;gap:7px;padding:7px 14px;border-radius:999px;font-weight:600;font-size:14px;line-height:1.1;font-family:inherit;text-decoration:none!important;white-space:nowrap;color:#fff!important;background:var(--rbl-grad);box-shadow:0 6px 18px -10px rgba(124,92,255,.7);flex:0 0 auto;margin:0 6px}
.rb-track svg{flex:0 0 auto}
.rb-track.in{background:var(--rbl-panel);color:var(--rbl-head)!important;border:1px solid var(--rbl-line);box-shadow:none;padding:4px 12px 4px 4px}
.topbar .rb-track{color:#fff!important}.topbar .rb-track.in{color:var(--rbl-head)!important}
@media (max-width:900px){.rb-track .rb-track-l{display:none}.rb-track{padding:8px}.rb-track.in{padding:3px}}
/* "Become certified" CTA */
.rb-cert-cta{display:inline-flex;align-items:center;gap:8px;text-decoration:none!important}
.rb-cert-cta.hero-cc{border-radius:999px;padding:13px 22px;font-weight:700;color:#fff!important;background:var(--rbl-grad);box-shadow:0 10px 26px -10px rgba(34,211,238,.55)}
.rb-cert-cta.card-cc{font-size:13.5px;font-weight:600;color:var(--rbl-link)!important;margin-left:auto}
.rb-cert-cta.card-cc:hover{text-decoration:underline!important}
.course-hero .rb-cert-cta.hero-cc{margin-left:0}
/* modal */
.rbl-modal{position:fixed;inset:0;z-index:10000;background:rgba(9,11,22,.55);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:16px;animation:rbl-fade .18s ease}
.rbl-modal-box{position:relative;width:min(420px,100%);max-height:calc(100vh - 32px);overflow:auto;background:var(--rbl-panel);color:var(--rbl-text);border:1px solid var(--rbl-line);border-radius:22px;padding:28px 26px 20px;box-shadow:0 30px 80px -20px rgba(20,20,60,.55);text-align:center;font-family:inherit}
.rbl-modal-box h2{margin:10px 0 6px;font-size:23px;color:var(--rbl-head);border:0}
.rbl-x{position:absolute;right:12px;top:10px;border:0;background:transparent;color:var(--rbl-muted);font-size:26px;line-height:1;cursor:pointer;padding:4px 8px;border-radius:10px}
.rbl-m-logo{display:inline-grid;place-items:center;width:46px;height:46px;border-radius:14px;background:var(--rbl-grad);color:#fff;font:800 17px/1 system-ui,sans-serif;letter-spacing:.5px}
.rbl-m-sub{color:var(--rbl-muted);margin:0 0 12px;font-size:15px}
.rbl-m-perks{list-style:none;margin:0 auto 16px;padding:12px 14px;text-align:left;background:var(--rbl-soft);border-radius:14px;font-size:14px;max-width:320px}
.rbl-m-perks li{padding:3px 0 3px 24px;position:relative}.rbl-m-perks li::before{content:"✓";position:absolute;left:4px;color:var(--rbl-accent);font-weight:800}
.rbl-gbtn{display:flex;flex-direction:column;align-items:center;gap:10px;min-height:48px}
.rbl-m-err{color:var(--rbl-bad);font-size:14px;margin:8px 0 0}
.rbl-m-fine{font-size:12.5px;color:var(--rbl-muted);margin:14px 0 0}.rbl-m-fine a{color:var(--rbl-link)}
.rbl-dev{width:100%;max-width:300px;display:flex;flex-direction:column;gap:8px;border:1px dashed color-mix(in srgb,var(--rbl-accent) 55%,transparent);border-radius:14px;padding:10px}
.rbl-dev-t{margin:0;font-weight:700;font-size:11px;line-height:1.3;letter-spacing:.04em;color:var(--rbl-accent)}
.rbl-in{padding:9px 12px;border-radius:10px;border:1px solid var(--rbl-line);background:var(--rbl-bg);color:var(--rbl-text);font:inherit;font-size:14px}
.rbl-gfake{display:flex;align-items:center;justify-content:center;gap:10px;padding:10px 16px;border-radius:999px;border:1px solid #dadce0;background:#fff;color:#3c4043;font:600 14.5px/1 Roboto,system-ui,sans-serif;cursor:pointer}
[data-theme="dark"] .rbl-gfake{background:#202124;color:#e8eaed;border-color:#5f6368}
/* toast */
.rbl-toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);z-index:10001;background:var(--rbl-head);color:var(--rbl-bg);padding:11px 18px;border-radius:999px;font:600 14px/1.3 system-ui,sans-serif;box-shadow:var(--rbl-shadow);transition:opacity .4s,transform .4s;max-width:90vw}
.rbl-toast.bad{background:var(--rbl-bad);color:#fff}.rbl-toast.out{opacity:0;transform:translate(-50%,10px)}
@keyframes rbl-fade{from{opacity:0}to{opacity:1}}
/* avatar */
.rbl-av{border-radius:50%;object-fit:cover;flex:0 0 auto;background:var(--rbl-soft)}
.rbl-av-i{display:inline-grid;place-items:center;background:var(--rbl-grad);color:#fff;font:700 13px/1 system-ui,sans-serif;width:36px;height:36px}
/* engage section under articles */
.rb-engage{margin:28px 0 8px;font-family:inherit;color:var(--rbl-text);contain:content}
.rbe-bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:12px 0;border-top:1px solid var(--rbl-line);border-bottom:1px solid var(--rbl-line)}
.rbe-like{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:999px;border:1px solid var(--rbl-line);background:var(--rbl-panel);color:var(--rbl-head);font-weight:600;font-size:15px;line-height:1;font-family:inherit;cursor:pointer;transition:transform .15s,border-color .2s,background .2s}
.rbe-like .rbl-ic{color:var(--rbl-muted);transition:transform .2s,color .2s}
.rbe-like:hover{border-color:#e0457b}.rbe-like.on{background:color-mix(in srgb,#e0457b 10%,var(--rbl-panel));border-color:#e0457b}
.rbe-like.on .rbl-ic{color:#e0457b;transform:scale(1.12)}
.rbe-count{min-width:1ch;color:var(--rbl-muted)}
.rbe-ccount{color:var(--rbl-link);font-weight:600;font-size:15px}
.rbl-cta-card{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin:18px 0;padding:16px 18px;border-radius:var(--rbl-r);border:1px solid color-mix(in srgb,var(--rbl-accent) 30%,var(--rbl-line));background:linear-gradient(135deg,color-mix(in srgb,#7c5cff 9%,var(--rbl-panel)),color-mix(in srgb,#22d3ee 8%,var(--rbl-panel)));box-shadow:var(--rbl-shadow)}
.rbl-cta-card.slim{padding:12px 16px}
.rbl-cta-ic{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:var(--rbl-grad);color:#fff;flex:0 0 auto}
.rbl-cta-tx{flex:1 1 260px;display:flex;flex-direction:column;gap:3px;font-size:15px}.rbl-cta-tx b{color:var(--rbl-head)}.rbl-cta-tx span{color:var(--rbl-muted);font-size:14px}
.rbl-cta-act{display:flex;gap:8px;flex-wrap:wrap}
.rbl-timer{display:inline-block;margin-left:6px;padding:1px 8px;border-radius:999px;background:var(--rbl-soft);color:var(--rbl-accent);font-variant-numeric:tabular-nums}
.rbe-comments{margin-top:8px}
.rbe-h{font-size:22px;margin:18px 0 12px!important;border:0!important;color:var(--rbl-head)}
.rbe-form{display:flex;flex-direction:column;gap:8px;margin:0 0 14px}
.rbe-form textarea{width:100%;box-sizing:border-box;resize:vertical;min-height:84px;padding:12px 14px;border-radius:14px;border:1px solid var(--rbl-line);background:var(--rbl-panel);color:var(--rbl-text);font:inherit;font-size:15.5px;line-height:1.5}
.rbe-form textarea:focus{outline:2px solid color-mix(in srgb,var(--rbl-accent) 55%,transparent);outline-offset:1px;border-color:transparent}
.rbe-form-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.rbe-form-row .rbl-btn{margin-left:auto}
.rbe-form-row .rbl-btn+.rbl-btn{margin-left:0}
.rbe-cnt,.rbe-as{font-size:12.5px;color:var(--rbl-muted)}
.rbe-err{color:var(--rbl-bad);font-size:14px;margin:0}
.rbe-empty{margin:6px 0 10px}
.rbc-list,.rbc-replies{list-style:none;margin:0;padding:0}
.rbc{display:flex;gap:12px;padding:14px 0;border-top:1px solid var(--rbl-line)}
.rbc.reply{border-top:0;padding:10px 0 0}
.rbc-replies{margin-top:6px;padding-left:4px;border-left:2px solid var(--rbl-soft)}
.rbc-replies .rbc{padding-left:12px}
.rbc-main{flex:1;min-width:0}
.rbc-meta{display:flex;gap:8px;align-items:baseline;flex-wrap:wrap;font-size:14px}.rbc-meta b{color:var(--rbl-head)}.rbc-meta span{color:var(--rbl-muted);font-size:12.5px}
.rbc-body{white-space:pre-wrap;overflow-wrap:anywhere;margin:4px 0 6px;font-size:15.5px;line-height:1.55}
.rbc.deleted .rbc-body{color:var(--rbl-muted);font-style:italic}
.rbc.hidden{opacity:.7}.rbc-hidden{color:var(--rbl-bad)!important;font-weight:600}
.rbc-act{display:flex;gap:4px}.rbc-act button{border:0;background:transparent;color:var(--rbl-link);font-weight:600;font-size:13px;line-height:1;font-family:inherit;padding:5px 8px;border-radius:8px;cursor:pointer}
.rbc-act button:hover{background:var(--rbl-soft)}
.rbc.new{animation:rbl-new 2s ease}
@keyframes rbl-new{0%{background:var(--rbl-soft)}100%{background:transparent}}
.rbc-replyslot .rbe-form{margin:8px 0 4px}
.rbe-rules{font-size:12.5px;color:var(--rbl-muted);margin:12px 0 0}
/* /learn/ app */
#rb-learn-app{max-width:1040px;margin:0 auto;padding:8px 0 40px;color:var(--rbl-text);font-family:inherit}
.rbl-head{margin:10px 0 22px}.rbl-head h1{margin:4px 0 8px;font-size:clamp(26px,4vw,36px);color:var(--rbl-head);letter-spacing:-.02em}
.rbl-head h1::after{display:none}
.rbl-eyebrow{margin:0;text-transform:uppercase;letter-spacing:.08em;font-weight:700;font-size:12.5px;line-height:1.2;background:var(--rbl-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.rbl-lead{color:var(--rbl-muted);font-size:16.5px;max-width:70ch;margin:0}
.rbl-user{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.rbl-user>div{flex:1}.rbl-user p{margin:0}
.rbl-card{background:var(--rbl-panel);border:1px solid var(--rbl-line);border-radius:var(--rbl-r);box-shadow:var(--rbl-shadow);padding:20px}
.rbl-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}
.rbl-course{display:flex;flex-direction:column;gap:6px;position:relative}.rbl-course h3{margin:4px 0 0;font-size:19px;color:var(--rbl-head)}
.rbl-course .rbl-btn{margin-top:auto;align-self:flex-start}
.rbl-course.focus{border:2px solid transparent;background:linear-gradient(var(--rbl-panel),var(--rbl-panel)) padding-box,var(--rbl-grad) border-box}
.rbl-pill{align-self:flex-start;font-weight:700;font-size:11.5px;line-height:1;padding:5px 9px;border-radius:999px;background:var(--rbl-soft);color:var(--rbl-accent)}
.rbl-meta{margin:0;color:var(--rbl-muted);font-size:14px}
.rbl-cert-line{margin:0 0 10px;font-size:13.5px;color:var(--rbl-muted)}.rbl-cert-line.ok{color:var(--rbl-ok)}
.rbl-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:0 0 20px}
.rbl-stat{background:var(--rbl-panel);border:1px solid var(--rbl-line);border-radius:var(--rbl-r);padding:14px 16px;box-shadow:var(--rbl-shadow)}
.rbl-stat b{display:block;font-size:26px;letter-spacing:-.02em;background:var(--rbl-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.rbl-stat span{font-size:13.5px;color:var(--rbl-muted)}
.rbl-cprog{margin:0 0 18px}
.rbl-cp-top{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}
.rbl-cp-top h2{margin:0 0 4px;font-size:22px;border:0}.rbl-cp-top h2 a{color:var(--rbl-head);text-decoration:none}
.rbl-pct{font-size:28px;color:var(--rbl-accent)}
.rbl-bar{height:10px;border-radius:999px;background:var(--rbl-soft);overflow:hidden;margin:12px 0}
.rbl-bar span{display:block;height:100%;border-radius:999px;background:var(--rbl-grad);min-width:4px;transition:width .6s ease}
.rbl-cont{margin:0 0 12px;font-size:15px}.rbl-cont a{color:var(--rbl-link);font-weight:600}
.rbl-certbox{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:12px 14px;border-radius:14px;background:var(--rbl-soft);margin:0 0 14px}
.rbl-certbox>div{flex:1 1 220px;display:flex;flex-direction:column;font-size:14px}.rbl-certbox span{color:var(--rbl-muted)}
.rbl-certbox .rbl-ic{color:var(--rbl-accent)}
.rbl-certbox.ready{background:linear-gradient(135deg,color-mix(in srgb,#7c5cff 16%,var(--rbl-panel)),color-mix(in srgb,#22d3ee 16%,var(--rbl-panel)))}
.rbl-certbox.ok{background:var(--rbl-okbg)}.rbl-certbox.ok .rbl-ic{color:var(--rbl-ok)}
.rbl-table-wrap{overflow-x:auto}
.rbl-table{width:100%;border-collapse:collapse;font-size:14.5px}
.rbl-table th{text-align:left;font-size:12.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--rbl-muted);padding:8px;border-bottom:1px solid var(--rbl-line);background:none!important}
.rbl-table td{padding:9px 8px;border-bottom:1px solid var(--rbl-line);vertical-align:top;background:none!important;color:var(--rbl-text)}
.rbl-table td a{color:var(--rbl-text);text-decoration:none}.rbl-table td a:hover{color:var(--rbl-link)}
.rbl-dot{display:inline-block;width:10px;height:10px;border-radius:50%;border:2px solid var(--rbl-line);margin-right:8px;vertical-align:middle}
.rbl-dot.half{border-color:var(--rbl-accent)}.rbl-dot.ok{background:var(--rbl-grad);border-color:transparent}
.rbl-q{font-weight:600;color:var(--rbl-link)!important}.rbl-q.ok{color:var(--rbl-ok)!important}
.rbl-account{margin-top:24px}.rbl-account h2{margin:0 0 6px;font-size:19px;border:0}
.rbl-gate{text-align:center;max-width:520px;margin:30px auto;padding:34px 24px;background:var(--rbl-panel);border:1px solid var(--rbl-line);border-radius:22px;box-shadow:var(--rbl-shadow)}
.rbl-gate h1{margin:12px 0 8px;font-size:28px;color:var(--rbl-head)}.rbl-gate h1::after{display:none}.rbl-gate p{color:var(--rbl-muted)}
/* quiz */
.rbl-quiz{display:flex;flex-direction:column;gap:14px}
.rbl-qq{border:1px solid var(--rbl-line);margin:0}.rbl-qq legend{float:left;width:100%;padding:0;margin:0 0 12px;font-weight:700;font-size:17px;color:var(--rbl-head);display:flex;gap:10px}
.rbl-qn{flex:0 0 auto;display:inline-grid;place-items:center;min-width:34px;height:26px;border-radius:999px;background:var(--rbl-grad);color:#fff;font-size:13px}
.rbl-opts{clear:both;display:grid;gap:8px}
.rbl-opt{display:flex;gap:10px;align-items:center;padding:11px 14px;border-radius:12px;border:1px solid var(--rbl-line);cursor:pointer;font-size:15.5px;transition:border-color .15s,background .15s}
.rbl-opt:hover{border-color:var(--rbl-accent)}.rbl-opt input{accent-color:var(--rbl-accent);width:18px;height:18px;flex:0 0 auto;margin:0}
.rbl-opt:has(input:checked){border-color:var(--rbl-accent);background:var(--rbl-soft)}
.rbl-qq.right{border-color:color-mix(in srgb,var(--rbl-ok) 55%,transparent)}.rbl-qq.wrong{border-color:color-mix(in srgb,var(--rbl-bad) 55%,transparent)}
.rbl-opt.ans{border-color:var(--rbl-ok);background:var(--rbl-okbg)}
.rbl-qq.wrong .rbl-opt:has(input:checked):not(.ans){border-color:var(--rbl-bad);background:var(--rbl-badbg)}
.rbl-expl{margin-top:10px;font-size:14.5px;padding:10px 12px;border-radius:10px;background:var(--rbl-soft)}
.rbl-qres{display:flex;flex-direction:column;gap:8px;padding:16px 18px;border-radius:var(--rbl-r);margin:0 0 16px;font-size:15.5px}
.rbl-qres b{font-size:24px}.rbl-qres.pass{background:var(--rbl-okbg);color:var(--rbl-ok)}.rbl-qres.fail{background:var(--rbl-badbg);color:var(--rbl-bad)}
/* certificate */
.rbl-verify{margin:6px 0 16px;padding:10px 14px;border-radius:12px;background:var(--rbl-okbg);font-size:14.5px}.rbl-ok{color:var(--rbl-ok);font-weight:700}
.rbl-cert{background:var(--rbl-grad);padding:10px;border-radius:22px;box-shadow:var(--rbl-shadow);max-width:960px;margin:0 auto;aspect-ratio:1.414/1}
.rbl-cert-in{height:100%;box-sizing:border-box;background:#fffdf8;color:#1a1f33;border-radius:14px;padding:4.5% 6%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;background-image:radial-gradient(circle at 0 0,rgba(124,92,255,.10),transparent 40%),radial-gradient(circle at 100% 100%,rgba(34,211,238,.12),transparent 40%)}
.rbl-cert-top{display:flex;align-items:center;gap:10px;margin-bottom:2%}.rbl-cert-org{font-weight:700;color:#4a5168;letter-spacing:.04em}
.rbl-cert-k{margin:1% 0;font:800 clamp(18px,3.4vw,34px)/1.1 Georgia,"Times New Roman",serif;letter-spacing:.06em;text-transform:uppercase;color:#2a1f6b}
.rbl-cert-s{margin:.6% 0;color:#4a5168;font-size:clamp(11px,1.6vw,16px)}
.rbl-cert-name{margin:1.4% 0;font:700 clamp(24px,5vw,50px)/1.1 Georgia,"Times New Roman",serif;color:#0e1222;border-bottom:2px solid #d9d2ff;padding:0 4% 1%}
.rbl-cert-course{margin:.8% 0;font:800 clamp(17px,3vw,30px)/1.15 system-ui,sans-serif;background:linear-gradient(135deg,#5b3df5,#0891b2);-webkit-background-clip:text;background-clip:text;color:transparent}
.rbl-cert-foot{display:grid;grid-template-columns:1fr 1fr 1fr;gap:4%;width:100%;margin-top:4%;align-items:end}
.rbl-cert-foot div{display:flex;flex-direction:column;border-top:1px solid #d6d9e4;padding-top:6px;font-size:clamp(10px,1.4vw,14px)}
.rbl-cert-foot span{color:#6b7186;font-size:.9em}
.rbl-sig{font:italic 700 clamp(15px,2.6vw,26px)/1 "Brush Script MT","Segoe Script",cursive;color:#2a1f6b}
.rbl-cert-v{margin:3% 0 0;font-size:clamp(9px,1.25vw,12.5px);color:#6b7186;word-break:break-all}
/* admin */
.rbl-tabs{display:flex;gap:6px;flex-wrap:wrap;margin:0 0 12px}.rbl-tabs a{padding:7px 14px;border-radius:999px;border:1px solid var(--rbl-line);color:var(--rbl-head);text-decoration:none;font-weight:600;font-size:14px}
.rbl-tabs a.on{background:var(--rbl-grad);color:#fff;border-color:transparent}
.rbl-adm-body{white-space:pre-wrap;max-width:520px;margin-bottom:4px}
.rbl-adm-act{white-space:nowrap}.rbl-adm-act .rbl-btn{margin:0 4px 4px 0}
.rbl-st{font-weight:700;font-size:11.5px;line-height:1;padding:4px 8px;border-radius:999px;background:var(--rbl-soft);text-transform:capitalize}.rbl-st.hidden{background:var(--rbl-badbg);color:var(--rbl-bad)}.rbl-st.visible{background:var(--rbl-okbg);color:var(--rbl-ok)}
tr.st-hidden td{opacity:.75}
@media (max-width:640px){.rbl-card{padding:16px}.rbl-cert{aspect-ratio:auto}.rbl-cert-in{padding:24px 16px}.rbl-cert-foot{grid-template-columns:1fr;gap:10px}.rbl-table{font-size:13.5px}.rbl-cp-top h2{font-size:19px}.rbl-modal-box{padding:24px 18px 18px}}
@media print{
  @page{size:A4 landscape;margin:0}
  body.rbl-cert-page *{visibility:hidden}
  body.rbl-cert-page #rbl-cert,body.rbl-cert-page #rbl-cert *{visibility:visible}
  body.rbl-cert-page #rbl-cert{position:fixed;left:0;top:0;width:297mm;height:210mm;max-width:none;margin:0;border-radius:0;box-shadow:none;aspect-ratio:auto;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  body.rbl-cert-page #rbl-cert .rbl-cert-in{border-radius:0}
  .no-print{display:none!important}
}
@media (prefers-reduced-motion:reduce){.rbl-btn,.rbe-like,.rbl-modal,.rbc.new{transition:none!important;animation:none!important}}
/* home page nav on small phones: keep the existing "Start learning free" pill on one line */
@media (max-width:480px){nav.top .w{gap:8px}nav.top .pill.sm{white-space:nowrap;padding:7px 10px;font-size:12.5px}nav.top .rb-track{margin:0;padding:7px}nav.top .mr{padding-left:8px;padding-right:8px}}
/* load-failure fallbacks (GSI blocked/slow, comments API unreachable) */
.rbl-fail{display:flex;flex-direction:column;align-items:center;gap:10px;padding:12px 14px;border-radius:12px;background:var(--rbl-badbg);color:var(--rbl-bad);font-size:14px;line-height:1.45;text-align:center}
.rbl-fail p{margin:0}
.rb-engage .rbl-fail{align-items:flex-start;text-align:left}
.rbl-gsi{min-height:44px;display:flex;align-items:center;justify-content:center}
/* 2026-10-08 reading tracking + quick quizzes on guide / classroom pages */
.rbl-pquiz{margin:28px 0 8px;padding:20px;border:1px solid var(--rbl-line);border-radius:var(--rbl-r);background:var(--rbl-panel);color:var(--rbl-text);box-shadow:var(--rbl-shadow);font-family:inherit}
.rbl-pq-head h2{margin:4px 0 4px;font-size:21px;color:var(--rbl-head);border:0;padding:0}
.rbl-pq-head p{margin:0 0 14px;font-size:14px}
.rbl-pq-k{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:3px 10px;border-radius:999px;background:var(--rbl-soft);color:var(--rbl-accent)}
.rbl-pquiz .rbl-qq{padding:14px;border-radius:12px}
.rbl-pquiz .rbl-qq legend{font-size:16px}
.rbl-pquiz .rbl-opt{font-size:15px;padding:9px 12px}
.rbl-pquiz .rbl-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.rbl-stats-sm{grid-template-columns:repeat(auto-fit,minmax(130px,1fr));margin:12px 0 14px}
.rbl-stats-sm .rbl-stat b{font-size:22px}
.rbl-reading{margin:0 0 18px}
.rbl-read-ok{color:var(--rbl-ok);font-weight:700}
.rbl-adm-reading{margin:0 0 18px}.rbl-adm-reading h2{margin:0 0 4px}.rbl-adm-reading .rbl-table-wrap{margin-top:12px}
@media print{.rbl-pquiz{display:none}}