/* ============================================================
   course-lesson.css — कोर्स-पाठ पेजों की साझा design-फ़ाइल
   v1.0 · 15-Jul-2026 · घर: /assets/course-lesson.css
   नियम: design यहाँ, content data-फ़ाइल में (परत-बँटवारा)।
   फ़ॉन्ट-नियम: 16px से नीचे कुछ नहीं; body 19px; line-height 1.7-1.8।
   ============================================================ */

.lsn-wrap{max-width:820px;margin:0 auto;padding:22px 16px 60px;
  font-family:'Noto Sans Devanagari','Inter',sans-serif;
  font-size:19px;line-height:1.8;color:#0B1F3A;background:#fff}

.lsn-crumb{font-size:16px;color:#1565C0;margin:0 0 10px}
.lsn-crumb a{color:#1565C0;text-decoration:none}
.lsn-crumb a:hover{text-decoration:underline}

.lsn-head h1{font-size:30px;line-height:1.35;color:#0B1F3A;margin:0 0 8px;font-weight:800}
.lsn-meta{font-size:16px;color:#2E7D32;font-weight:600;
  border-bottom:2px solid #F9A825;padding-bottom:14px;margin:0 0 8px}

.lsn-sec{margin:26px 0}
.lsn-sec h2{font-size:23px;color:#0B1F3A;font-weight:800;margin:0 0 12px;
  border-left:5px solid #F9A825;padding-left:12px}
.lsn-sec p{margin:0 0 14px}
.lsn-sec b{color:#0B1F3A}

.lsn-fig{margin:10px 0;padding:14px 10px;background:#F5F7FA;
  border:1px solid #dbe3ee;border-radius:12px;text-align:center}
.lsn-fig svg{width:100%;max-width:460px;height:auto}
.lsn-fig figcaption{font-size:16px;color:#1565C0;margin-top:8px}

.lsn-video p{background:#F5F7FA;border:1px dashed #1565C0;border-radius:10px;
  padding:14px}

.lsn-nav{display:flex;gap:12px;flex-wrap:wrap;justify-content:space-between;
  margin-top:36px;border-top:2px solid #F9A825;padding-top:18px}
.lsn-navbtn{display:inline-block;font-size:20px;font-weight:700;
  color:#fff;background:#1F7A2E;border-bottom:4px solid #145F22;
  padding:12px 20px;border-radius:12px;text-decoration:none}
.lsn-navbtn:active{transform:translateY(2px);border-bottom-width:2px}
.lsn-soon{background:#8a94a3;border-bottom-color:#6a7482;cursor:not-allowed}

@media (min-width:900px){
  .lsn-wrap{font-size:19px}
  .lsn-head h1{font-size:34px}
}

/* ===== v2.0 (17-Jul-2026): tools · सब-पाठ panel · आवाज़ · वीडियो-बटन ===== */
.lsn-tools{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0 0}
.lsn-speakall,.lsn-toolbtn{display:inline-block;font-size:18px;font-weight:700;padding:10px 16px;border-radius:10px;border:2px solid #1565C0;background:#F5F7FA;color:#1565C0;text-decoration:none;cursor:pointer;font-family:inherit}
.lsn-speakall.speaking,.lsn-speak.speaking{background:#1565C0;color:#F5F7FA}
.lsn-jump{margin:16px 0;border:2px solid #E2E8F0;border-radius:12px;background:#F5F7FA}
.lsn-jump summary{cursor:pointer;font-size:18px;font-weight:700;color:#0B1F3A;padding:12px 14px}
.lsn-jumplist{padding:6px 14px 14px;line-height:2.2;font-size:17px}
.lsn-jumplist a{color:#1565C0;text-decoration:none;font-weight:600;white-space:nowrap;padding:2px 6px;border:1px solid #CBD5E1;border-radius:8px}
.lsn-jumpcur{color:#F5F7FA;background:#2E7D32;font-weight:700;white-space:nowrap;padding:2px 8px;border-radius:8px}
.lsn-speak{font-size:16px;font-weight:700;margin-left:10px;padding:4px 10px;border-radius:8px;border:1.5px solid #1565C0;background:#F5F7FA;color:#1565C0;cursor:pointer;vertical-align:middle;font-family:inherit}
.lsn-vidrow{display:flex;flex-wrap:wrap;gap:10px}
.lsn-vidbtn{display:inline-block;font-size:18px;font-weight:700;padding:12px 16px;border-radius:10px;background:#1565C0;color:#F5F7FA;text-decoration:none}
.lsn-vidgov{background:#2E7D32}
.lsn-vidnote{font-size:16px;color:#0B1F3A}
.lsn-prog{margin:22px 14px;padding:14px 16px;border:2px solid #2E7D32;border-radius:12px;background:#F5F7FA;font-size:18px;line-height:1.75;color:#0B1F3A}
.lsn-prog a{color:#1565C0;font-weight:700;text-decoration:none}