/* Shafiq Academy — front-end styles */
:root{
  --sa-primary:#0f766e; --sa-primary-d:#0b5f58; --sa-accent:#f59e0b;
  --sa-ink:#0f172a; --sa-muted:#64748b; --sa-line:#e2e8f0; --sa-bg:#f8fafc; --sa-card:#fff;
  --sa-ok:#15803d; --sa-bad:#b91c1c; --sa-radius:14px;
  --sa-shadow:0 1px 2px rgba(15,23,42,.06),0 8px 24px rgba(15,23,42,.06);
}
body.sa-site,.sa-wrap,.sa-card,.sa-pay,.sa-reader,.sa-exam,.sa-result,.sa-qcard{font-family:'Hind Siliguri','Noto Sans Bengali',system-ui,-apple-system,'Segoe UI',sans-serif}
.sa-wrap{max-width:1120px;margin:0 auto;padding:0 16px 32px}
.sa-title{font-size:1.6rem;line-height:1.3;margin:0 0 1rem;color:var(--sa-ink);font-weight:700}
.sa-h3{font-size:1.15rem;margin:2rem 0 .8rem;color:var(--sa-ink);font-weight:700}
.sa-muted{color:var(--sa-muted);font-size:.95rem}
.sa-actions{display:flex;flex-wrap:wrap;gap:10px;margin:1rem 0 0}

/* Buttons */
.sa-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;background:var(--sa-primary);color:#fff!important;border:0;border-radius:10px;padding:.7rem 1.3rem;font:600 1rem/1.2 inherit;cursor:pointer;text-decoration:none!important;transition:.15s;box-shadow:0 2px 0 rgba(0,0,0,.08)}
.sa-btn:hover{background:var(--sa-primary-d);transform:translateY(-1px)}
.sa-btn-lg{padding:.95rem 1.8rem;font-size:1.1rem}
.sa-btn-sm{padding:.45rem .9rem;font-size:.9rem}
.sa-btn-ghost{background:transparent;color:var(--sa-primary)!important;border:1.5px solid var(--sa-primary);box-shadow:none}
.sa-btn-ghost:hover{background:var(--sa-primary);color:#fff!important}
.sa-btn-light{background:#fff;color:var(--sa-primary)!important}
.sa-btn-light:hover{background:#f0fdfa}
.sa-btn-outline{background:transparent;border:1.5px solid rgba(255,255,255,.7);box-shadow:none}
.sa-btn-outline:hover{background:rgba(255,255,255,.15)}

/* Cards, notices, badges */
.sa-card{background:var(--sa-card);border:1px solid var(--sa-line);border-radius:var(--sa-radius);padding:1.6rem;box-shadow:var(--sa-shadow)}
.sa-narrow{max-width:480px;margin:1.5rem auto}
.sa-notice{border-radius:10px;padding:.85rem 1rem;margin:0 0 1rem;font-size:.98rem;border:1px solid}
.sa-success{background:#f0fdf4;border-color:#86efac;color:#14532d}
.sa-error{background:#fef2f2;border-color:#fca5a5;color:#7f1d1d}
.sa-info{background:#eff6ff;border-color:#93c5fd;color:#1e3a8a}
.sa-notice a{color:inherit;font-weight:600}
.sa-badge{display:inline-block;font-size:.8rem;font-weight:700;padding:.2rem .65rem;border-radius:999px;vertical-align:middle}
.sa-free{background:#dcfce7;color:#166534}
.sa-paid{background:#fef3c7;color:#92400e}
.sa-chips{display:flex;flex-wrap:wrap;gap:8px;margin:1rem 0}
.sa-chips span{background:#f1f5f9;border:1px solid var(--sa-line);border-radius:999px;padding:.3rem .8rem;font-size:.92rem}

/* Forms */
.sa-form{display:grid;gap:14px}
.sa-form label{display:grid;gap:6px;font-weight:600;font-size:.95rem;color:var(--sa-ink)}
.sa-form input[type=text],.sa-form input[type=email],.sa-form input[type=password],.sa-form input[type=tel],.sa-form select{width:100%;box-sizing:border-box;border:1.5px solid var(--sa-line);border-radius:10px;padding:.7rem .85rem;font:400 1rem inherit;background:#fff;color:var(--sa-ink);min-height:46px}
.sa-form input:focus,.sa-form select:focus{outline:0;border-color:var(--sa-primary);box-shadow:0 0 0 3px rgba(15,118,110,.15)}
.sa-form .sa-check{display:flex;align-items:center;gap:8px;font-weight:400}
.sa-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:640px){.sa-row{grid-template-columns:1fr}}

/* Hero */
.sa-hero{margin:1rem 0 2rem;padding:3rem 1.5rem;border-radius:20px;color:#fff;text-align:center;background:radial-gradient(circle at 15% 20%,#14b8a6 0,transparent 45%),linear-gradient(135deg,#0f766e,#134e4a 70%)}
.sa-hero h1{color:#fff;font-size:clamp(1.8rem,5vw,2.8rem);margin:0 0 .6rem;font-weight:700}
.sa-hero p{font-size:1.1rem;opacity:.95;margin:0 auto;max-width:560px}
.sa-hero .sa-actions{justify-content:center;margin-top:1.4rem}

/* Listing grid */
.sa-filter{display:flex;gap:8px;margin:0 0 1.2rem;flex-wrap:wrap}
.sa-filter a{padding:.4rem 1rem;border-radius:999px;border:1.5px solid var(--sa-line);text-decoration:none;color:var(--sa-ink);font-weight:600;background:#fff}
.sa-filter a.is-on{background:var(--sa-primary);border-color:var(--sa-primary);color:#fff}
.sa-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}
.sa-item{background:#fff;border:1px solid var(--sa-line);border-radius:var(--sa-radius);overflow:hidden;box-shadow:var(--sa-shadow);display:flex;flex-direction:column;transition:.2s}
.sa-item:hover{transform:translateY(-3px);box-shadow:0 12px 32px rgba(15,23,42,.12)}
.sa-item-thumb{display:block;aspect-ratio:4/3;background:linear-gradient(135deg,#ccfbf1,#e0f2fe);overflow:hidden}
.sa-item-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.sa-ph{display:flex;align-items:center;justify-content:center;height:100%;font-size:3rem}
.sa-item-body{padding:1rem 1.1rem 1.2rem;display:flex;flex-direction:column;gap:.5rem;flex:1;align-items:flex-start}
.sa-item-body h3{margin:0;font-size:1.1rem;line-height:1.4}
.sa-item-body h3 a{color:var(--sa-ink);text-decoration:none}
.sa-item-body p{margin:0}
.sa-item-body .sa-btn{margin-top:auto}

/* Payment panel */
.sa-pay{border:1.5px solid var(--sa-line);border-radius:var(--sa-radius);padding:1.4rem;margin:1.5rem 0;background:linear-gradient(180deg,#fff,#f8fafc);box-shadow:var(--sa-shadow)}
.sa-pay-head{font-weight:700;font-size:1.15rem;margin-bottom:.8rem}
.sa-steps{margin:0 0 .6rem;padding-left:1.2rem}
.sa-numbers{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px;margin:.5rem 0 1rem}
.sa-num{border-radius:12px;padding:.8rem 1rem;color:#fff;display:flex;flex-direction:column;gap:2px}
.sa-num span{font-size:.85rem;opacity:.9}.sa-num strong{font-size:1.3rem;letter-spacing:.5px}
.sa-num-bkash{background:linear-gradient(135deg,#e2136e,#a50e51)}
.sa-num-nagad{background:linear-gradient(135deg,#f6921e,#d9480f)}
.sa-num-rocket{background:linear-gradient(135deg,#8c3494,#5b1e61)}

/* Tables */
.sa-table-wrap{overflow-x:auto;border:1px solid var(--sa-line);border-radius:12px;background:#fff}
.sa-table{width:100%;border-collapse:collapse;font-size:.95rem;margin:0}
.sa-table th{background:#f1f5f9;text-align:left;padding:.7rem .9rem;font-weight:700;white-space:nowrap}
.sa-table td{padding:.7rem .9rem;border-top:1px solid var(--sa-line);vertical-align:middle}
.sa-st{padding:.18rem .6rem;border-radius:999px;font-size:.82rem;font-weight:700;white-space:nowrap}
.sa-st-pending{background:#fef3c7;color:#92400e}.sa-st-ok{background:#dcfce7;color:#166534}.sa-st-bad{background:#fee2e2;color:#991b1b}
.sa-dash-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;flex-wrap:wrap;margin-bottom:1rem}

/* PDF reader */
.sa-reader{border:1px solid var(--sa-line);border-radius:var(--sa-radius);overflow:hidden;background:#475569;margin:1.5rem 0;user-select:none;-webkit-user-select:none}
.sa-toolbar{display:flex;align-items:center;gap:10px;padding:.5rem .8rem;background:#0f172a;color:#e2e8f0;position:sticky;top:0;z-index:2}
.sa-toolbar button{background:#1e293b;color:#fff;border:1px solid #334155;border-radius:8px;width:38px;height:34px;font-size:1.1rem;cursor:pointer}
.sa-toolbar button:hover{background:#334155}
.sa-pageinfo{margin-left:auto;font-size:.92rem}
.sa-pages{height:78vh;overflow:auto;padding:12px 8px;text-align:center}
.sa-reader:fullscreen .sa-pages{height:calc(100vh - 50px)}
.sa-page{background:#fff;margin:0 auto 12px;box-shadow:0 4px 18px rgba(0,0,0,.35)}
.sa-page canvas{display:block}
.sa-loading{color:#e2e8f0;padding:2rem}
@media print{.sa-reader{display:none!important}}

/* Exam */
.sa-exam-bar{position:sticky;top:0;z-index:5;display:flex;justify-content:space-between;align-items:center;gap:12px;background:#fff;border:1px solid var(--sa-line);border-radius:12px;padding:.7rem 1rem;box-shadow:var(--sa-shadow);margin-bottom:1rem}
body.admin-bar .sa-exam-bar{top:32px}
.sa-timer{font-size:1.5rem;font-weight:700;font-variant-numeric:tabular-nums;background:#ecfeff;color:#0e7490;padding:.3rem .9rem;border-radius:10px}
.sa-timer.is-low{background:#fee2e2;color:#b91c1c;animation:sa-pulse 1s infinite}
@keyframes sa-pulse{50%{opacity:.6}}
.sa-qcard{position:relative;background:#fff;border:1px solid var(--sa-line);border-radius:var(--sa-radius);padding:1.1rem 1.2rem 1rem;margin:0 0 14px;min-width:0}
.sa-qcard legend{padding:0}
.sa-qno{display:inline-flex;align-items:center;justify-content:center;min-width:34px;height:34px;padding:0 8px;border-radius:999px;background:var(--sa-primary);color:#fff;font-weight:700;box-sizing:border-box}
.sa-review .sa-qno{position:absolute;top:1rem;left:1rem}
.sa-review{padding-left:3.6rem}
.sa-qtext{font-size:1.08rem;font-weight:600;margin:.5rem 0 .8rem;color:var(--sa-ink)}
.sa-choice{display:flex;align-items:flex-start;gap:10px;padding:.65rem .8rem;margin:0 0 8px;border:1.5px solid var(--sa-line);border-radius:10px;cursor:pointer;transition:.12s;background:#fff}
.sa-choice:hover{border-color:var(--sa-primary);background:#f0fdfa}
.sa-choice input{margin-top:.35rem;accent-color:var(--sa-primary)}
.sa-lbl{font-weight:700;color:var(--sa-primary);min-width:1.4em}
.sa-choice:has(input:checked){border-color:var(--sa-primary);background:#ccfbf1}
.sa-review .sa-choice{cursor:default}
.sa-choice.is-correct{border-color:#22c55e;background:#f0fdf4}
.sa-choice.is-wrong{border-color:#ef4444;background:#fef2f2}
.sa-explain{margin-top:.6rem;padding:.7rem .9rem;background:#fffbeb;border-left:4px solid var(--sa-accent);border-radius:8px;font-size:.97rem}
.sa-submit-row{text-align:center;margin:1.5rem 0}
.sa-start{margin:1.2rem 0;display:flex;flex-direction:column;gap:8px;align-items:flex-start}

/* Result */
.sa-result{text-align:center;border-radius:20px;padding:2rem 1rem;margin:1rem 0;color:#fff}
.sa-result.is-pass{background:linear-gradient(135deg,#16a34a,#0f766e)}
.sa-result.is-fail{background:linear-gradient(135deg,#475569,#1e293b)}
.sa-result-badge{font-size:1.2rem;font-weight:700;opacity:.95}
.sa-score{font-size:3.4rem;font-weight:700;line-height:1.2}.sa-score small{font-size:1.4rem;opacity:.8}
.sa-result-meta{display:flex;flex-wrap:wrap;gap:8px 22px;justify-content:center;margin-top:.5rem}