/*
Theme Name: CogniSkill 2.0
Theme URI: https://cogniskill.ca/
Author: CogniSkill
Description: Performance-first learning and publishing theme for CogniSkill.
Version: 4.3.0
Requires at least: 6.5
Requires PHP: 8.2
Text Domain: cogniskill-v2
License: GPL-2.0-or-later
*/

/* v3.0 platform-scale UI */
.ck30-breadcrumb-shell{max-width:1180px;margin:0 auto;padding:14px 32px 0}.ck-breadcrumbs{display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:13px;color:#64748b}.ck-breadcrumbs a{color:#075eb5;text-decoration:none}.ck-breadcrumbs a:hover{text-decoration:underline}
.ck30-quiz-top{display:flex;justify-content:space-between;align-items:center;gap:20px;margin:0 0 18px}.ck30-progress{height:7px;width:min(420px,60vw);background:#e7edf5;border-radius:99px;overflow:hidden;margin-top:8px}.ck30-progress span{display:block;height:100%;background:#0b74e5;transition:width .2s}.ck30-flag{border:1px solid #cbd5e1;background:#fff;border-radius:8px;padding:9px 12px;font-weight:700;color:#17365d;cursor:pointer}.ck30-question-nav{display:flex;gap:7px;flex-wrap:wrap;margin:0 0 22px}.ck30-question-nav button{width:36px;height:36px;border:1px solid #cbd5e1;background:#fff;border-radius:7px;cursor:pointer}.ck30-question-nav button.is-current{outline:2px solid #0b74e5;border-color:#0b74e5}.ck30-question-nav button.is-answered{background:#edf7ff}.ck30-question-nav button.is-flagged{box-shadow:inset 0 -4px #f4b41a}.ck30-question[hidden]{display:none!important}.ck30-quiz-controls{display:flex;justify-content:space-between;gap:12px;margin-top:20px}.ck30-quiz-warning{font-weight:700;color:#9a3412}.ck30-quiz-after-result{display:none}.ck30-book-structured{margin:28px 0}.ck30-book-detail-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}.ck30-book-detail-grid article{background:#fff;border:1px solid #dbe4ef;border-radius:12px;padding:24px}.ck30-book-detail-grid h3{margin-top:0}.ck30-book-detail-grid ul{padding-left:20px;margin-bottom:0}.ck30-book-detail-grid li+li{margin-top:8px}.ck30-404{padding-top:40px;padding-bottom:80px}.ck30-404-search{display:flex;max-width:680px;margin:24px 0}.ck30-404-search input{flex:1;min-width:0;border:1px solid #cbd5e1;border-radius:8px 0 0 8px;padding:12px}.ck30-404-search button{border-radius:0 8px 8px 0}.ck30-quick-links{display:flex;gap:10px;flex-wrap:wrap}.ck30-quick-links a{padding:10px 14px;background:#fff;border:1px solid #dbe4ef;border-radius:8px;text-decoration:none;font-weight:700}
@media(max-width:760px){.ck30-breadcrumb-shell{padding:12px 18px 0}.ck30-quiz-top{align-items:flex-start;flex-direction:column}.ck30-progress{width:80vw}.ck30-quiz-controls{flex-wrap:wrap}.ck30-quiz-controls .ck-btn{flex:1}.ck30-404-search{display:grid;gap:8px}.ck30-404-search input,.ck30-404-search button{border-radius:8px}}
.ck30-search-filters{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 26px}.ck30-search-filters a{padding:9px 13px;border:1px solid #dbe4ef;background:#fff;border-radius:8px;text-decoration:none;font-weight:700;color:#17365d}.ck30-search-filters a.is-active{background:#0a4f8a;color:#fff;border-color:#0a4f8a}
.ck30-new-badge{display:inline-flex;padding:4px 7px;border-radius:5px;background:#fff2c2;color:#7a5100;font-size:10px;font-weight:800;letter-spacing:.06em}


/* v3.5.1 quality + conversion polish */
.ck16-stats{margin-bottom:34px}.ck16-section{scroll-margin-top:100px}.ck16-cert{transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.ck16-cert:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(15,42,74,.09);border-color:#b9cce1}.ck16-cert>a:last-child{display:inline-flex;align-items:center;min-height:42px}.ck30-question-nav{max-height:164px;overflow:auto;padding:3px 2px 8px;scrollbar-width:thin}.ck30-question-nav button{flex:0 0 38px;width:38px;height:38px;font-weight:700}.ck-test-meta span,.ck-test-meta a{white-space:nowrap}.ck-course-content h2,.ck-hub-intro h2{scroll-margin-top:100px}
@media(max-width:760px){.ck16-stats{margin-bottom:24px}.ck30-question-nav{display:grid;grid-template-columns:repeat(5,minmax(42px,1fr));max-height:220px}.ck30-question-nav button{width:100%;height:44px}.ck30-flag{min-height:44px}.ck-test-meta{gap:7px}.ck-test-meta span,.ck-test-meta a{white-space:normal}}
@media(prefers-reduced-motion:reduce){.ck16-cert{transition:none}.ck16-cert:hover{transform:none}}


/* v3.6 Professional Learning hubs */
.ck36-professional-archive,.ck36-professional-single{max-width:1180px;margin:0 auto;padding:36px 32px 80px}.ck36-professional-hero{border:1px solid #dbe4ef;border-radius:20px;padding:46px;background:linear-gradient(135deg,#f7fbff,#fff);margin-bottom:34px}.ck36-professional-hero h1{max-width:820px;margin:5px 0 14px;font-size:clamp(34px,5vw,58px);line-height:1.05;color:#102a43}.ck36-professional-hero>p,.ck36-professional-hero div>p:last-child{max-width:760px;font-size:18px;color:#52667a}.ck36-professional-hero-single{display:grid;grid-template-columns:1.3fr .7fr;gap:32px;align-items:center}.ck36-professional-hero-single img{width:100%;height:auto;border-radius:14px}.ck36-hub-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.ck36-hub-card{display:grid;grid-template-columns:160px 1fr;gap:22px;padding:22px;border:1px solid #dbe4ef;border-radius:16px;background:#fff;box-shadow:0 10px 28px rgba(15,42,67,.06)}.ck36-hub-media{display:grid;place-items:center;min-height:150px;border-radius:12px;background:#edf6ff;overflow:hidden;text-decoration:none}.ck36-hub-media img{width:100%;height:100%;object-fit:cover}.ck36-hub-media span{font-size:42px;color:#0b67b2}.ck36-hub-card h2,.ck36-related-card h3{margin:4px 0 9px}.ck36-hub-card h2 a,.ck36-related-card h3 a{color:#102a43;text-decoration:none}.ck36-hub-counts{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}.ck36-hub-counts span{font-size:12px;font-weight:700;padding:5px 8px;border-radius:99px;background:#f1f5f9;color:#486581}.ck36-hub-intro{max-width:860px;margin:0 auto 42px}.ck36-hub-section{margin-top:46px}.ck36-related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.ck36-related-card{background:#fff;border:1px solid #dbe4ef;border-radius:15px;padding:20px;display:flex;flex-direction:column;gap:14px}.ck36-book-cover{display:block;aspect-ratio:.7727;background:#f5f7fa;border-radius:9px;overflow:hidden}.ck36-book-cover img{width:100%;height:100%;object-fit:contain}.ck36-card-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:14px}.ck36-card-actions>a:first-child{font-weight:800;color:#075eb5;text-decoration:none}
@media(max-width:850px){.ck36-professional-archive,.ck36-professional-single{padding:24px 18px 92px}.ck36-professional-hero{padding:30px 24px}.ck36-professional-hero-single,.ck36-hub-grid{grid-template-columns:1fr}.ck36-related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:560px){.ck36-hub-card{grid-template-columns:1fr}.ck36-hub-media{min-height:120px}.ck36-related-grid{grid-template-columns:1fr}}
.ck36-book-learning-path{margin:38px 0;padding:28px;border:1px solid #dbe4ef;border-radius:16px;background:#f8fbff}.ck36-book-learning-path h2{margin:5px 0 8px;color:#102a43}.ck36-book-learning-path p{max-width:720px}

/* v3.6.2 practice-test navigator polish */
.ck37-quiz-progress-copy{display:grid;grid-template-columns:auto auto;align-items:baseline;gap:5px 12px}.ck37-quiz-progress-copy .ck30-progress{grid-column:1/-1}.ck37-answer-count{font-size:13px;font-weight:700;color:#64748b}.ck37-nav-shell{margin:0 0 24px;padding:16px;border:1px solid #dbe4ef;border-radius:14px;background:#f8fbff}.ck37-nav-toggle{display:none}.ck37-nav-legend{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin:0 0 12px;font-size:12px;font-weight:700;color:#52667a}.ck37-nav-legend span{display:inline-flex;align-items:center;gap:6px}.ck37-nav-legend i{width:13px;height:13px;border:1px solid #c7d4e3;border-radius:4px;background:#fff}.ck37-nav-legend i.is-current{background:#0b67b2;border-color:#0b67b2}.ck37-nav-legend i.is-answered{background:#e4f2ff;border-color:#82b9e8}.ck37-nav-legend i.is-flagged{background:#fff7dc;border-color:#e3ae20;box-shadow:inset 0 -3px #e3ae20}.ck30-question-nav{display:grid!important;grid-template-columns:repeat(10,minmax(42px,1fr));gap:8px;max-height:none!important;overflow:visible!important;margin:0!important;padding:0!important}.ck30-question-nav button{position:relative;display:grid;place-items:center;min-width:0!important;width:100%!important;height:42px!important;border:1px solid #cbd8e6!important;border-radius:9px!important;background:#fff!important;color:#17365d;font:700 13px/1 inherit;box-shadow:0 1px 2px rgba(15,42,67,.03);transition:border-color .15s,background .15s,color .15s,box-shadow .15s,transform .15s}.ck30-question-nav button:hover{border-color:#6ca8dc!important;background:#f3f9ff!important;transform:translateY(-1px)}.ck30-question-nav button:focus-visible{outline:3px solid rgba(11,103,178,.24)!important;outline-offset:2px}.ck30-question-nav button.is-answered{background:#e9f5ff!important;border-color:#8bc0ea!important;color:#07558f}.ck30-question-nav button.is-flagged:after{content:"";position:absolute;right:5px;top:5px;width:6px;height:6px;border-radius:50%;background:#d89b00}.ck30-question-nav button.is-current{background:#0b67b2!important;border-color:#0b67b2!important;color:#fff!important;box-shadow:0 5px 14px rgba(11,103,178,.22)!important;outline:0!important}.ck30-question-nav button.is-current.is-flagged:after{background:#ffd66b}.ck30-flag[aria-pressed="true"]{border-color:#d8a31a;background:#fff8df;color:#765300}.ck30-flag:focus-visible{outline:3px solid rgba(11,103,178,.2);outline-offset:2px}
@media(max-width:900px){.ck30-question-nav{grid-template-columns:repeat(8,minmax(42px,1fr))}}
@media(max-width:760px){.ck37-quiz-progress-copy{width:100%}.ck37-nav-shell{padding:0;border:0;background:transparent}.ck37-nav-legend{display:none}.ck37-nav-toggle{width:100%;min-height:48px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 14px;border:1px solid #cbd8e6;border-radius:10px;background:#fff;color:#17365d;font:700 14px/1.2 inherit;cursor:pointer}.ck37-nav-toggle:after{content:"⌄";font-size:18px;margin-left:auto;transition:transform .15s}.ck37-nav-toggle[aria-expanded="true"]:after{transform:rotate(180deg)}.ck37-nav-toggle strong{font-size:12px;color:#64748b}.ck30-question-nav{display:none!important;grid-template-columns:repeat(5,minmax(44px,1fr));gap:8px;margin-top:10px!important;padding:12px!important;max-height:260px!important;overflow:auto!important;border:1px solid #dbe4ef;border-radius:12px;background:#f8fbff}.ck30-question-nav.is-mobile-open{display:grid!important}.ck30-question-nav button{height:44px!important}.ck30-quiz-top{gap:12px}.ck30-flag{width:100%}}
@media(prefers-reduced-motion:reduce){.ck30-question-nav button,.ck37-nav-toggle:after{transition:none}.ck30-question-nav button:hover{transform:none}}

/* CogniSkill 4.0 launch-candidate hardening */
.ck37-quiz-progress-copy{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}.ck37-quiz-progress-copy .ck30-progress{flex-basis:100%}.ck37-answer-count:before{content:"·";margin-right:10px;color:#94a3b8}.ck37-nav-shell{box-shadow:0 8px 24px rgba(15,42,67,.045)}.ck37-nav-shell .ck30-question-nav{align-items:stretch}.ck37-nav-legend i{display:inline-block;flex:0 0 13px}.ck22-related-books .ck-book-hub-grid{align-items:stretch}.ck22-related-books .ck-v10-book-card{height:100%}.ck36-professional-archive .ck36-hub-grid:empty:after{content:"Professional Learning hubs are being prepared.";display:block;padding:28px;border:1px solid #dbe4ef;border-radius:14px;background:#fff;color:#52667a}
@media(max-width:760px){.ck37-answer-count:before{content:"·"}.ck37-nav-shell{margin-bottom:18px}.ck30-question-nav.is-mobile-open{box-shadow:0 10px 24px rgba(15,42,67,.08)}}

/* v4.1 launch compact navigator */
.ck37-answer-count:before{content:none!important}.ck37-nav-shell{margin:0 0 18px;padding:0;border:0;background:transparent;box-shadow:none}.ck37-nav-toggle{display:flex!important;width:100%;max-width:260px;min-height:44px;align-items:center;justify-content:space-between;gap:10px;padding:10px 13px;border:1px solid #cbd8e6;border-radius:10px;background:#fff;color:#17365d;font-weight:700;cursor:pointer}.ck37-nav-toggle:after{content:"⌄";font-size:17px}.ck37-nav-toggle[aria-expanded="true"]:after{transform:rotate(180deg)}.ck37-nav-legend{display:none}.ck37-nav-shell:has(.ck30-question-nav.is-open) .ck37-nav-legend{display:flex;margin:12px 0 10px}.ck30-question-nav{display:none!important;grid-template-columns:repeat(10,minmax(38px,1fr));gap:7px;margin-top:10px!important;padding:14px!important;border:1px solid #dbe4ef;border-radius:12px;background:#f8fbff;max-height:260px!important;overflow:auto!important}.ck30-question-nav.is-open{display:grid!important}.ck30-question-nav button{height:38px!important}.ck30-question{margin-top:8px}.ck22-related-books{margin-top:38px}.ck22-related-books .ck-book-hub-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}@media(max-width:900px){.ck30-question-nav{grid-template-columns:repeat(8,minmax(40px,1fr))}.ck22-related-books .ck-book-hub-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:760px){.ck37-nav-toggle{max-width:none;min-height:46px}.ck30-question-nav{grid-template-columns:repeat(5,minmax(44px,1fr));padding:12px!important}.ck30-question-nav button{height:44px!important}.ck22-related-books .ck-book-hub-grid{grid-template-columns:1fr}}

/* v4.2 launch completion: Professional Learning discovery + related books */
.ck42-professional-home{margin:44px 0}.ck42-professional-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.ck42-professional-card{display:grid;grid-template-columns:190px 1fr;gap:22px;padding:20px;border:1px solid #d7e2ef;border-radius:16px;background:#fff;box-shadow:0 8px 24px rgba(15,42,67,.05)}.ck42-professional-media{display:grid;place-items:center;min-height:150px;border-radius:12px;overflow:hidden;background:linear-gradient(145deg,#eef7ff,#f8fbff);text-decoration:none}.ck42-professional-media img{width:100%;height:100%;object-fit:cover}.ck42-professional-media span{font-size:44px;color:#0b67b2}.ck42-professional-card h3{margin:5px 0 8px;font-size:22px}.ck42-professional-card h3 a{text-decoration:none;color:#102a43}.ck42-professional-card>div>p:not(.ck-eyebrow){color:#52667a}.ck22-related-books .ck-v10-book-card{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:14px;border:1px solid #dbe4ef;border-radius:14px;background:#fff}.ck22-related-books .ck-v10-book-cover{aspect-ratio:.7727;border-radius:8px;overflow:hidden;background:#f5f7fa}.ck22-related-books .ck-v10-book-cover img{width:100%;height:100%;object-fit:contain}.ck22-related-books .ck-v10-book-copy{display:flex;flex-direction:column;justify-content:center}.ck22-related-books .ck-v10-book-copy h3{margin:0 0 14px}.ck22-related-books .ck16-book-actions{display:flex;gap:8px;flex-wrap:wrap}
@media(max-width:900px){.ck42-professional-grid{grid-template-columns:1fr}.ck42-professional-card{grid-template-columns:160px 1fr}.ck22-related-books .ck-v10-book-card{grid-template-columns:105px 1fr}}
@media(max-width:600px){.ck42-professional-card{grid-template-columns:1fr}.ck42-professional-media{min-height:120px}.ck22-related-books .ck-v10-book-card{grid-template-columns:90px 1fr}}


/* v4.3 launch visual polish: Professional Learning */
.ck42-professional-home{margin:52px 0 56px;padding:32px;border:1px solid #dbe7f3;border-radius:22px;background:linear-gradient(135deg,#f8fbff 0%,#fff 58%,#fffaf0 100%);box-shadow:0 14px 36px rgba(15,42,67,.055)}
.ck42-professional-home .ck16-head{margin-bottom:24px;align-items:end}
.ck42-professional-home .ck16-head h2{margin:4px 0 8px}
.ck42-professional-home .ck16-head p:last-child{max-width:720px;margin-bottom:0}
.ck42-professional-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.ck42-professional-grid.is-single{grid-template-columns:1fr}
.ck42-professional-card{grid-template-columns:minmax(260px,42%) 1fr;gap:28px;padding:18px;align-items:stretch;border-color:#d6e3f0;border-radius:18px;box-shadow:0 10px 28px rgba(15,42,67,.055);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.ck42-professional-card:hover{transform:translateY(-2px);border-color:#bfd4e8;box-shadow:0 16px 34px rgba(15,42,67,.09)}
.ck42-professional-media{min-height:220px;aspect-ratio:16/9;border-radius:14px;background:#0b2948}
.ck42-professional-media img{width:100%;height:100%;object-fit:cover;object-position:center}
.ck42-professional-card>div{padding:10px 12px 10px 0;display:flex;flex-direction:column;justify-content:center;min-width:0}
.ck42-professional-card h3{font-size:25px;line-height:1.15;margin:5px 0 10px}
.ck42-professional-card .ck-text-link{margin-top:6px;font-weight:800}
.ck42-professional-card .ck36-hub-counts{margin:12px 0}

.ck36-professional-archive{padding-top:42px}
.ck36-professional-archive .ck36-professional-hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#072846 0%,#0d4f80 62%,#1268a3 100%);border:0;color:#fff;box-shadow:0 18px 42px rgba(8,40,70,.16)}
.ck36-professional-archive .ck36-professional-hero:after{content:"";position:absolute;width:280px;height:280px;border-radius:50%;right:-90px;top:-110px;background:radial-gradient(circle,rgba(255,199,77,.28),rgba(255,199,77,0) 68%)}
.ck36-professional-archive .ck36-professional-hero h1,.ck36-professional-archive .ck36-professional-hero p{color:#fff;position:relative;z-index:1}
.ck36-professional-archive .ck36-professional-hero .ck-eyebrow{color:#ffd166}
.ck36-professional-archive .ck36-hub-card{grid-template-columns:minmax(220px,40%) 1fr;align-items:stretch;padding:18px;border-radius:18px;transition:transform .2s ease,box-shadow .2s ease}
.ck36-professional-archive .ck36-hub-card:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(15,42,67,.1)}
.ck36-professional-archive .ck36-hub-media{min-height:200px;aspect-ratio:16/9;background:#0b2948}
.ck36-professional-archive .ck36-hub-media img{object-fit:cover;object-position:center}
.ck36-professional-archive .ck36-hub-card>div{padding:8px 8px 8px 2px;display:flex;flex-direction:column;justify-content:center}

.ck36-professional-single .ck36-professional-hero-single{grid-template-columns:minmax(0,1fr) minmax(360px,.78fr);padding:34px;gap:34px;overflow:hidden;background:linear-gradient(135deg,#f7fbff 0%,#fff 60%,#fff9ec 100%)}
.ck36-professional-single .ck36-professional-hero-single>div:last-child{aspect-ratio:16/9;border-radius:16px;overflow:hidden;background:#0b2948;box-shadow:0 14px 30px rgba(15,42,67,.12)}
.ck36-professional-single .ck36-professional-hero-single img{width:100%;height:100%;object-fit:cover;object-position:center;border-radius:0}
.ck36-professional-single .ck36-hub-intro{max-width:none;background:#fff;border:1px solid #e1e9f2;border-radius:16px;padding:28px 32px;box-shadow:0 8px 24px rgba(15,42,67,.035)}
.ck36-professional-single .ck36-hub-section{padding-top:4px}
.ck36-professional-single .ck36-related-card{box-shadow:0 8px 24px rgba(15,42,67,.045);transition:transform .2s ease,box-shadow .2s ease}
.ck36-professional-single .ck36-related-card:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(15,42,67,.08)}

@media(max-width:900px){.ck42-professional-home{padding:26px}.ck42-professional-card{grid-template-columns:minmax(210px,38%) 1fr}.ck42-professional-media{min-height:190px}.ck36-professional-single .ck36-professional-hero-single{grid-template-columns:1fr}.ck36-professional-single .ck36-professional-hero-single>div:last-child{max-width:720px}}
@media(max-width:680px){.ck42-professional-home{margin:36px 0;padding:20px 16px}.ck42-professional-home .ck16-head{align-items:flex-start}.ck42-professional-card{grid-template-columns:1fr;padding:14px}.ck42-professional-media{min-height:0;aspect-ratio:16/9}.ck42-professional-card>div{padding:8px 4px 6px}.ck36-professional-archive .ck36-hub-card{grid-template-columns:1fr}.ck36-professional-archive .ck36-hub-media{min-height:0;aspect-ratio:16/9}.ck36-professional-single .ck36-professional-hero-single{padding:24px}.ck36-professional-single .ck36-hub-intro{padding:22px}}