/* Chakrilab Exam — public pages (exam list/detail, practice hub, institutions, shortcodes).
   Works standalone; picks up the Chakrilab theme colors via --cl-* variables when present. */

:where(:root){
  --cl-primary:#4338ca;--cl-primary-600:#3730a3;--cl-primary-700:#2d2a82;--cl-primary-100:#e0e7ff;--cl-primary-50:#eef2ff;
  --cl-accent:#0d9488;--cl-accent-600:#0b7a70;--cl-accent-50:#e6f6f4;
  --cl-ink:#0f172a;--cl-text:#334155;--cl-muted:#64748b;--cl-line:#e2e8f0;--cl-soft:#f8fafc;--cl-white:#fff;
  --cl-live:#dc2626;--cl-live-50:#fef2f2;--cl-upcoming:#b45309;--cl-upcoming-50:#fffbeb;--cl-ended:#475569;--cl-ended-50:#f1f5f9;
  --cl-radius:14px;--cl-radius-sm:9px;
  --cl-shadow:0 1px 2px rgba(15,23,42,.05),0 4px 14px rgba(15,23,42,.06);
  --cl-shadow-lg:0 2px 4px rgba(15,23,42,.06),0 14px 34px rgba(15,23,42,.12);
  --cl-font:"Hind Siliguri","Noto Sans Bengali",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

.screen-reader-text{border:0;clip:rect(1px,1px,1px,1px);clip-path:inset(50%);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px;word-wrap:normal!important}

/* ---------- Page wrapper ---------- */
.cl-wrap{max-width:1180px;margin:0 auto;padding:28px 20px 64px;color:var(--cl-text);font-family:var(--cl-font);line-height:1.7;box-sizing:border-box}
.cl-wrap *,.cl-wrap *::before,.cl-wrap *::after{box-sizing:border-box}
.cl-wrap a{color:var(--cl-primary);text-decoration:none}
.cl-wrap a:hover{text-decoration:underline}
.cl-wrap :focus-visible{outline:3px solid color-mix(in srgb,var(--cl-primary) 45%,transparent);outline-offset:2px;border-radius:6px}
.cl-h1{font-size:clamp(1.65rem,1.2rem + 1.8vw,2.45rem);line-height:1.25;margin:.35em 0 .3em;color:var(--cl-ink);font-weight:700;letter-spacing:-.01em}
.cl-h2,.cl-section>h2{font-size:clamp(1.25rem,1.05rem + .8vw,1.6rem);line-height:1.3;margin:0 0 .8em;color:var(--cl-ink);font-weight:700}
.cl-lead{font-size:1.08rem;color:var(--cl-muted);margin:0;max-width:68ch}
.cl-pagehead{margin-bottom:26px;padding-bottom:22px;border-bottom:1px solid var(--cl-line)}
.cl-section{margin:40px 0 0}
.cl-empty{background:var(--cl-soft);border:1px dashed var(--cl-line);border-radius:var(--cl-radius);padding:36px 20px;text-align:center;color:var(--cl-muted);margin:18px 0}
.cl-count{margin:18px 0 14px;color:var(--cl-muted);font-size:.95rem}

/* ---------- Breadcrumb ---------- */
.cl-crumb{font-size:.88rem;margin:0 0 10px}
.cl-crumb ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:2px 0}
.cl-crumb li{display:inline-flex;align-items:center;color:var(--cl-muted);max-width:100%}
.cl-crumb li+li::before{content:"›";margin:0 8px;color:#94a3b8}
.cl-crumb a{color:var(--cl-muted)}
.cl-crumb a:hover{color:var(--cl-primary)}
.cl-crumb [aria-current]{color:var(--cl-ink);font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:46ch}

/* ---------- Buttons ---------- */
.cl-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 22px;border:1px solid var(--cl-primary);border-radius:var(--cl-radius-sm);background:var(--cl-primary);color:#fff!important;font:600 1rem/1.3 var(--cl-font);cursor:pointer;text-decoration:none!important;transition:background .15s,transform .15s,box-shadow .15s}
.cl-btn:hover{background:var(--cl-primary-600);border-color:var(--cl-primary-600);box-shadow:0 6px 16px color-mix(in srgb,var(--cl-primary) 30%,transparent)}
.cl-btn:active{transform:translateY(1px)}
.cl-btn--sm{min-height:38px;padding:6px 16px;font-size:.92rem}
.cl-btn--block{display:flex;width:100%}
.cl-btn--accent{background:var(--cl-accent);border-color:var(--cl-accent)}
.cl-btn--accent:hover{background:var(--cl-accent-600);border-color:var(--cl-accent-600);box-shadow:0 6px 16px color-mix(in srgb,var(--cl-accent) 30%,transparent)}
.cl-btn--ghost{background:transparent;color:var(--cl-primary)!important}
.cl-btn--ghost:hover{background:var(--cl-primary-50);box-shadow:none}

/* ---------- Filters ---------- */
.cl-filters{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 16px;padding:14px;background:var(--cl-white);border:1px solid var(--cl-line);border-radius:var(--cl-radius);box-shadow:var(--cl-shadow)}
.cl-field{display:block;margin:0}
.cl-field--grow{flex:1 1 240px}
.cl-field input,.cl-field select{width:100%;min-height:44px;padding:9px 14px;border:1px solid var(--cl-line);border-radius:var(--cl-radius-sm);background:var(--cl-white);color:var(--cl-ink);font:inherit;font-size:1rem}
.cl-field input:focus,.cl-field select:focus{outline:none;border-color:var(--cl-primary);box-shadow:0 0 0 3px color-mix(in srgb,var(--cl-primary) 20%,transparent)}
.cl-filters .cl-btn{flex:0 0 auto}
.cl-chips{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 6px}
.cl-chip{display:inline-flex;align-items:center;min-height:36px;padding:4px 16px;border:1px solid var(--cl-line);border-radius:999px;background:var(--cl-white);color:var(--cl-text)!important;font-size:.93rem;text-decoration:none!important;transition:all .15s}
.cl-chip:hover{border-color:var(--cl-primary);color:var(--cl-primary)!important;background:var(--cl-primary-50)}
.cl-chip.is-active{background:var(--cl-primary);border-color:var(--cl-primary);color:#fff!important}

/* ---------- Grid & cards ---------- */
.cl-grid{display:grid;gap:22px;grid-template-columns:repeat(auto-fill,minmax(min(100%,290px),1fr));margin:0}
.cl-grid--subjects{grid-template-columns:repeat(auto-fill,minmax(min(100%,250px),1fr));gap:16px}
.cl-card{display:flex;flex-direction:column;background:var(--cl-white);border:1px solid var(--cl-line);border-radius:var(--cl-radius);overflow:hidden;box-shadow:var(--cl-shadow);transition:transform .2s,box-shadow .2s,border-color .2s;position:relative}
.cl-card:hover,.cl-card:focus-within{transform:translateY(-3px);box-shadow:var(--cl-shadow-lg);border-color:color-mix(in srgb,var(--cl-primary) 35%,var(--cl-line))}
.cl-card--live{border-top:3px solid var(--cl-live)}
.cl-card--upcoming{border-top:3px solid var(--cl-upcoming)}
.cl-card--ended{border-top:3px solid #94a3b8}
.cl-card__media{position:relative;display:block;aspect-ratio:16/9;background:linear-gradient(135deg,var(--cl-primary-100),var(--cl-accent-50));overflow:hidden}
.cl-card__media img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .4s}
.cl-card:hover .cl-card__media img{transform:scale(1.04)}
.cl-card__ph{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:3.4rem;font-weight:700;color:var(--cl-primary);opacity:.5}
.cl-card__media .cl-badge{position:absolute;top:10px;left:10px;box-shadow:0 2px 8px rgba(15,23,42,.18)}
.cl-card__media .cl-badge--price{left:auto;right:10px}
.cl-card__body{display:flex;flex-direction:column;gap:6px;padding:16px 18px 18px;flex:1}
.cl-card__cat{font-size:.8rem;font-weight:600;color:var(--cl-accent-600);letter-spacing:.01em}
.cl-card__title{margin:0;font-size:1.12rem;line-height:1.4;font-weight:700;color:var(--cl-ink)}
.cl-card__title a{color:inherit!important;text-decoration:none!important}
.cl-card__title a::after{content:"";position:absolute;inset:0;z-index:1}
.cl-card__title a:hover{color:var(--cl-primary)!important}
.cl-card__inst{margin:0;font-size:.9rem;color:var(--cl-muted)}
.cl-card__meta{list-style:none;margin:6px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:4px 14px;font-size:.88rem;color:var(--cl-text)}
.cl-card__meta li{position:relative}
.cl-card__meta li+li::before{content:"";position:absolute;left:-8px;top:50%;width:3px;height:3px;border-radius:50%;background:#94a3b8;transform:translateY(-50%)}
.cl-card__time{margin:2px 0 0;font-size:.88rem;color:var(--cl-upcoming);font-weight:500}
.cl-card--live .cl-card__time{color:var(--cl-live)}
.cl-card--ended .cl-card__time{color:var(--cl-muted)}
.cl-card__body .cl-btn{margin-top:auto;align-self:flex-start;position:relative;z-index:2}
.cl-card__body>.cl-btn{margin-top:12px}

/* ---------- Badges ---------- */
.cl-badge{display:inline-flex;align-items:center;gap:6px;padding:3px 11px;border-radius:999px;font-size:.78rem;font-weight:700;line-height:1.5;background:var(--cl-ended-50);color:var(--cl-ended);white-space:nowrap}
.cl-badge--live{background:var(--cl-live);color:#fff}
.cl-badge--live::before{content:"";width:7px;height:7px;border-radius:50%;background:#fff;animation:cl-pulse 1.4s ease-in-out infinite}
.cl-badge--upcoming{background:var(--cl-upcoming-50);color:var(--cl-upcoming);box-shadow:inset 0 0 0 1px #fde68a}
.cl-card__media .cl-badge--upcoming{background:#fff7e0}
.cl-badge--ended{background:var(--cl-ended-50);color:var(--cl-ended)}
.cl-card__media .cl-badge--ended{background:rgba(255,255,255,.94)}
.cl-badge--price{background:#fff;color:var(--cl-ink);box-shadow:inset 0 0 0 1px var(--cl-line)}
.cl-badge--price.is-free{background:var(--cl-accent-50);color:var(--cl-accent-600);box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--cl-accent) 25%,#fff)}
.cl-badge--price.is-paid{background:var(--cl-primary-50);color:var(--cl-primary-700);box-shadow:inset 0 0 0 1px var(--cl-primary-100)}
.cl-badge--cat{background:var(--cl-soft);color:var(--cl-text);box-shadow:inset 0 0 0 1px var(--cl-line)}
.cl-badge--round{background:var(--cl-primary-50);color:var(--cl-primary-700)}
@keyframes cl-pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.7)}}

/* ---------- Subject / institution tiles ---------- */
.cl-subject{display:grid;grid-template-columns:auto 1fr;grid-template-areas:"ico name" "ico meta";column-gap:14px;align-items:center;padding:16px 18px;background:var(--cl-white);border:1px solid var(--cl-line);border-radius:var(--cl-radius);box-shadow:var(--cl-shadow);color:var(--cl-text)!important;text-decoration:none!important;transition:transform .2s,box-shadow .2s,border-color .2s}
.cl-subject:hover{transform:translateY(-2px);box-shadow:var(--cl-shadow-lg);border-color:var(--cl-primary)}
.cl-subject strong{grid-area:name;color:var(--cl-ink);font-size:1.05rem;line-height:1.35}
.cl-subject>span:not(.cl-subject__ico){grid-area:meta;font-size:.87rem;color:var(--cl-muted)}
.cl-subject__ico{grid-area:ico;display:flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:12px;background:var(--cl-primary-50);color:var(--cl-primary);font-weight:700;font-size:1.3rem}
.cl-subject:not(:has(.cl-subject__ico)){display:flex;flex-direction:column;align-items:flex-start;gap:2px}

/* ---------- Pagination ---------- */
.cl-pager{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:6px;margin:34px 0 0}
.cl-pager a,.cl-pager span{display:inline-flex;align-items:center;justify-content:center;min-width:42px;height:42px;padding:0 12px;border-radius:var(--cl-radius-sm);border:1px solid var(--cl-line);background:var(--cl-white);color:var(--cl-text);font-weight:500;text-decoration:none!important}
.cl-pager a:hover{border-color:var(--cl-primary);color:var(--cl-primary)}
.cl-pager .is-current{background:var(--cl-primary);border-color:var(--cl-primary);color:#fff}
.cl-pager .cl-pager__gap{border:0;background:none;min-width:auto;padding:0 2px;color:var(--cl-muted)}

/* ---------- Exam detail ---------- */
.cl-exam__layout{display:grid;gap:30px;grid-template-columns:minmax(0,1fr);align-items:start}
.cl-exam__head{margin-bottom:6px}
.cl-exam__cover{display:block;width:100%;max-height:380px;object-fit:cover;border-radius:var(--cl-radius);margin:0 0 20px;box-shadow:var(--cl-shadow)}
.cl-exam__badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:6px}
.cl-exam__by{margin:0;color:var(--cl-muted)}
.cl-exam__by a{font-weight:600}
.cl-prose{font-size:1.04rem;line-height:1.85;color:var(--cl-text)}
.cl-prose p{margin:0 0 1em}
.cl-prose ul,.cl-prose ol{padding-left:1.4em}
.cl-facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin:0}
.cl-facts>div{padding:14px 16px;background:var(--cl-soft);border:1px solid var(--cl-line);border-radius:var(--cl-radius-sm)}
.cl-facts dt{font-size:.82rem;color:var(--cl-muted);margin:0 0 2px}
.cl-facts dd{margin:0;font-weight:700;color:var(--cl-ink);font-size:1.06rem}
.cl-exam__side{position:relative}
.cl-cta{padding:22px;background:var(--cl-white);border:1px solid var(--cl-line);border-top:4px solid var(--cl-primary);border-radius:var(--cl-radius);box-shadow:var(--cl-shadow-lg)}
.cl-exam[data-cl-phase="live"] .cl-cta{border-top-color:var(--cl-live)}
.cl-exam[data-cl-phase="ended"] .cl-cta{border-top-color:#94a3b8}
.cl-cta__price{font-size:1.9rem;font-weight:700;color:var(--cl-ink);line-height:1.2;margin-bottom:8px}
.cl-cta__note{margin:0 0 10px;color:var(--cl-text);font-size:.97rem}
.cl-cta__hint{margin:10px 0 0;font-size:.88rem;color:var(--cl-muted)}
.cl-cta .cl-btn{margin-top:14px}
.cl-cta__login{margin:16px 0 0;padding-top:14px;border-top:1px solid var(--cl-line);text-align:center;font-size:.92rem;color:var(--cl-muted)}

/* ---------- Countdown ---------- */
.cl-countdown{display:flex;flex-wrap:wrap;gap:8px;align-items:stretch;font-variant-numeric:tabular-nums;color:var(--cl-ink);font-weight:600}
.cl-countdown__u{flex:1 1 0;min-width:56px;display:flex;flex-direction:column;align-items:center;padding:8px 6px;background:var(--cl-primary-50);border:1px solid var(--cl-primary-100);border-radius:var(--cl-radius-sm);line-height:1.2}
.cl-countdown__u b{font-size:1.5rem;font-weight:700;color:var(--cl-primary-700)}
.cl-countdown__u small{font-size:.74rem;color:var(--cl-muted);font-weight:500}
.cl-exam[data-cl-phase="live"] .cl-countdown__u{background:var(--cl-live-50);border-color:#fecaca}
.cl-exam[data-cl-phase="live"] .cl-countdown__u b{color:var(--cl-live)}
.cl-countdown.is-done{display:block;padding:10px 14px;background:var(--cl-accent-50);border-radius:var(--cl-radius-sm);color:var(--cl-accent-600)}

/* ---------- Practice ---------- */
.cl-practice-start{margin:0 0 28px;padding:22px;background:linear-gradient(135deg,var(--cl-primary-50),var(--cl-white));border:1px solid var(--cl-primary-100);border-radius:var(--cl-radius);box-shadow:var(--cl-shadow)}
.cl-practice-start>p{margin:0 0 12px;font-size:1.05rem}
.cl-practice-start select,.cl-practice-start input[type=number]{min-height:44px;padding:8px 12px;border:1px solid var(--cl-line);border-radius:var(--cl-radius-sm);font:inherit;background:#fff}
.cl-practice-page .cl-h2{margin:34px 0 14px;font-size:1.35rem}
[data-cl-practice]:not(.cl-practice-start) .cl-btn{margin-top:6px}

/* ---------- Related ---------- */
.cl-related{padding-top:32px;border-top:1px solid var(--cl-line)}

/* ---------- Responsive ---------- */
@media (min-width:900px){
  .cl-exam__layout{grid-template-columns:minmax(0,1fr) 340px;gap:40px}
  .cl-exam__side{position:sticky;top:96px}
}
@media (max-width:640px){
  .cl-wrap{padding:20px 16px 48px}
  .cl-filters{padding:12px}
  .cl-filters .cl-field{flex:1 1 calc(50% - 5px)}
  .cl-filters .cl-field--grow{flex-basis:100%}
  .cl-filters .cl-btn{flex:1 1 100%}
  .cl-grid{gap:16px}
  .cl-crumb [aria-current]{max-width:26ch}
  .cl-exam__side{order:-1}
}
@media (prefers-reduced-motion:reduce){
  .cl-card,.cl-card__media img,.cl-btn,.cl-subject{transition:none}
  .cl-card:hover{transform:none}
  .cl-badge--live::before{animation:none}
}
@media print{.cl-filters,.cl-chips,.cl-pager,.cl-cta .cl-btn{display:none}}