:root{--asl-bg:#020914;--asl-panel:#061524;--asl-card:#071c2f;--asl-line:#0d4865;--asl-cyan:#00e5ff;--asl-blue:#1597ef;--asl-text:#f3f8ff;--asl-muted:#9cc7df;--asl-yellow:#e3b317}
.asl-wrap{display:grid;grid-template-columns:240px 1fr;min-height:720px;background:var(--asl-bg);color:var(--asl-text);font-family:Inter,Segoe UI,Arial,sans-serif;border-radius:0;overflow:hidden;border:1px solid #082b41}
.asl-wrap *{box-sizing:border-box}.asl-sidebar{background:#0a1e31;border-right:1px solid #12445f;padding:16px 14px;position:relative}.asl-brand{display:flex;gap:10px;align-items:center;margin-bottom:18px}.asl-brand strong{font-size:13px;display:block;line-height:1.2}.asl-brand small{font-size:9px;color:var(--asl-cyan);font-weight:800;letter-spacing:.18em;text-transform:uppercase}.asl-shield{font-size:25px}.asl-progress-card{background:#0c2a41;border:1px solid #0e6383;border-radius:10px;padding:14px;margin-bottom:18px}.asl-progress-card strong{font-size:11px;color:#bdefff;letter-spacing:.08em}.asl-progress-card b{display:block;font-size:28px;color:var(--asl-cyan);margin-top:8px}.asl-progress-card small{display:block;color:#cbe8ff;font-size:11px}.asl-bar{height:5px;background:#124962;border-radius:30px;margin-top:10px;overflow:hidden}.asl-bar span{display:block;height:100%;background:var(--asl-cyan)}.asl-home{display:block;color:#e8f7ff;text-decoration:none;font-weight:700;font-size:13px;margin:20px 0}.asl-sidebar h4{font-size:9px;letter-spacing:.22em;color:#a9d9ff;margin:18px 0 10px}.asl-lessons a{display:grid;grid-template-columns:22px 1fr auto;gap:8px;align-items:start;text-decoration:none;color:#d8efff;font-weight:700;font-size:12px;line-height:1.25;padding:10px 4px;border-left:3px solid transparent}.asl-lessons a.active{background:#102c43;border-left-color:var(--asl-cyan);color:var(--asl-cyan)}.asl-lessons em{font-size:9px;background:#6c5b12;color:#ffe166;border-radius:5px;padding:3px 5px;font-style:normal}.asl-dot{width:18px;height:18px;border:1px solid #0aa7d4;border-radius:50%;display:inline-block}.asl-dot.done{background:var(--asl-cyan)}
.asl-main{padding:22px 32px 40px;min-width:0}.asl-hero{border-bottom:1px solid #0e4864;padding-bottom:20px;margin-bottom:26px}.asl-hero small{color:#80dcff}.asl-hero h1{font-size:30px;line-height:1.08;margin:8px 0 12px;color:#fff;text-shadow:2px 2px 0 #2c2c40}.asl-hero p{color:var(--asl-muted);margin:10px 0 0}.asl-meta{font-size:12px;color:#cceeff;font-weight:700}.asl-tabs{display:flex;gap:18px;border-bottom:1px solid #0e4864;margin-bottom:20px;overflow:auto}.asl-tabs button{background:transparent;border:0;color:#b9dfff;text-transform:uppercase;font-weight:900;font-size:12px;padding:12px 14px;cursor:pointer;border-bottom:2px solid transparent}.asl-tabs button.active{color:var(--asl-cyan);border-bottom-color:var(--asl-cyan)}.asl-panel{display:none}.asl-panel.active{display:block}.asl-panel h2{font-size:22px;color:var(--asl-cyan);margin:0 0 14px}.asl-card{background:linear-gradient(180deg,#082038,#04101e);border:1px solid #0a5e7d;border-radius:12px;overflow:hidden;padding:20px}.asl-card h3{margin:0 0 14px;color:#fff}.asl-video{position:relative;width:100%;background:#0b2136;border-radius:10px;overflow:hidden;margin-bottom:18px;min-height:320px}.asl-video:before{content:"";display:block;padding-top:56.25%}.asl-video iframe{position:absolute;inset:0;width:100%;height:100%}.asl-reading{color:#e9f6ff;font-size:15px;line-height:1.65}.asl-btn{display:inline-block;border:0;background:linear-gradient(90deg,var(--asl-cyan),var(--asl-blue));color:#00131f!important;font-weight:900;padding:11px 16px;border-radius:9px;text-decoration:none;cursor:pointer;margin-top:12px}.asl-btn.secondary{background:#0d2a40;color:#dff7ff!important;border:1px solid #0c6688}.asl-check,.asl-answer{display:flex;gap:12px;align-items:center;color:#eef8ff;border-top:1px solid rgba(120,200,240,.12);padding:14px 0;font-size:14px}.asl-check input,.asl-answer input{width:18px;height:18px;accent-color:var(--asl-cyan)}.asl-check-count,.asl-quiz-result,.asl-cert-result{color:#9bdcff;font-size:13px}.asl-question{border-bottom:1px solid rgba(120,200,240,.14);padding:16px 0}.asl-question strong{display:block;color:var(--asl-cyan);font-size:11px;text-transform:uppercase;margin-bottom:8px}.asl-complete-box{margin-top:20px}.asl-alert,.asl-login-box{background:#061524;color:#eaf8ff;border:1px solid #0a5e7d;border-radius:14px;padding:24px;font-family:Inter,Segoe UI,Arial,sans-serif}.asl-certificate-mini p{color:#dff7ff}
.asl-cert-body{margin:0;background:#07101b;font-family:Inter,Segoe UI,Arial,sans-serif;color:#f7fbff}.asl-public-cert{max-width:920px;margin:40px auto;padding:52px;background:radial-gradient(circle at top,#0d3652,#061320 65%);border:2px solid #13bfe9;border-radius:24px;text-align:center;box-shadow:0 20px 60px rgba(0,0,0,.45)}.asl-cert-badge{display:inline-block;background:#092c43;border:1px solid #13bfe9;color:#00e5ff;border-radius:999px;padding:8px 18px;font-weight:900;letter-spacing:.1em;font-size:12px}.asl-public-cert h1{font-size:42px;margin:22px 0 8px}.asl-cert-lead{color:#a9d9ff}.asl-public-cert h2{font-size:36px;color:#00e5ff;margin:8px 0}.asl-public-cert h3{font-size:26px;margin:8px 0 24px}.asl-cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:24px 0}.asl-cert-grid p{background:#081c2e;border:1px solid #164b68;border-radius:12px;padding:14px}.asl-qr{width:160px;height:160px;background:#fff;padding:8px;border-radius:8px}.asl-cert-actions{margin-top:24px}
@media(max-width:850px){.asl-wrap{grid-template-columns:1fr}.asl-sidebar{position:relative}.asl-main{padding:22px 18px}.asl-hero h1{font-size:25px}.asl-lessons{display:grid;grid-template-columns:1fr;max-height:260px;overflow:auto}.asl-cert-grid{grid-template-columns:1fr 1fr}.asl-public-cert{margin:12px;padding:28px}.asl-public-cert h1{font-size:30px}.asl-public-cert h2{font-size:28px}}
@media print{.asl-cert-actions{display:none}.asl-public-cert{box-shadow:none;margin:0;max-width:none;border-radius:0}.asl-cert-body{background:#fff}}

/* v1.5.1 Featured image for lessons: only top header, never cropped */
.asl-lesson-hero-img{display:block;width:100%;height:auto;max-height:none;object-fit:contain;border-radius:18px;margin:0 0 18px;border:1px solid rgba(0,229,255,.25);box-shadow:0 12px 36px rgba(0,0,0,.28);background:#020914}
.asl-lesson-featured{display:none}
@media(max-width:700px){.asl-lesson-hero-img{width:100%;height:auto;max-height:none}}

/* v1.5 Rich lesson content */
.asl-reading img,.asl-content-image img{max-width:100%;height:auto;border-radius:16px;border:1px solid rgba(0,229,255,.18);box-shadow:0 12px 32px rgba(0,0,0,.22);margin:16px 0}
.asl-content-image{margin:22px 0;text-align:center}
.asl-reading figure{margin:22px 0}
.asl-reading a{color:var(--asl-cyan);font-weight:800}
.asl-reading h2,.asl-reading h3{color:#fff;margin-top:22px}
.asl-reading blockquote{border-left:4px solid var(--asl-cyan);background:rgba(0,229,255,.06);padding:12px 16px;border-radius:10px;margin:18px 0}