@import url("https://fonts.googleapis.com/css2?family=Noto+Nastaliq+Urdu:wght@400;500;600;700&display=swap");.book-heading-1{font-size:36px;font-weight:700;color:#1e3c72;margin:32px 0 16px;line-height:1.2}.books-container[dir=rtl] .book-heading-1{text-align:right;font-family:Noto Nastaliq Urdu,Jameel Noori Nastaleeq,serif;font-size:40px}.book-heading-1:first-child{margin-top:0}.book-heading-2{font-size:26px;font-weight:600;color:#2a5298;margin:28px 0 12px;border-left:4px solid #2a5298;padding-left:12px}.books-container[dir=rtl] .book-heading-2{text-align:right;border-right:4px solid #2a5298;border-left:none;padding-right:12px;padding-left:0;font-family:Noto Nastaliq Urdu,Jameel Noori Nastaleeq,serif;font-size:28px}.book-heading-3{font-size:20px;font-weight:600;color:#374151;margin:20px 0 10px}.books-container[dir=rtl] .book-heading-3{text-align:right;font-family:Noto Nastaliq Urdu,Jameel Noori Nastaleeq,serif;font-size:22px}.book-text{font-size:16px;line-height:1.8;color:#4b5563;margin-bottom:16px;text-align:justify}.books-container[dir=rtl] .book-text{font-family:Noto Nastaliq Urdu,Jameel Noori Nastaleeq,serif}.book-list{margin:16px 0;padding-left:24px}.books-container[dir=rtl] .book-list{padding-right:24px;padding-left:0}.book-list-item{margin-bottom:12px;line-height:1.6;color:#4b5563}.books-container[dir=rtl] .book-list-item{font-family:Noto Nastaliq Urdu,Jameel Noori Nastaleeq,serif}.book-strong{font-weight:600;color:#1e3c72}.books-container[dir=rtl] .book-strong{font-family:Noto Nastaliq Urdu,Jameel Noori Nastaleeq,serif}.book-footer{margin-top:40px;padding-top:24px;border-top:1px solid #e5e7eb;color:#6b7280;font-size:14px}.books-container[dir=rtl] .book-footer{text-align:right;font-family:Noto Nastaliq Urdu,Jameel Noori Nastaleeq,serif}@media (max-width:768px){.book-heading-1{font-size:24px}.book-heading-2{font-size:20px}.book-heading-3{font-size:16px}.book-text{font-size:15px;line-height:1.6}.controls-bar{gap:8px}.lang-toggle{width:90px!important;height:32px!important;font-size:11px}.toggle-label.ur{font-size:10px}}.controls-bar{gap:12px;margin-bottom:24px;padding:0 20px}.controls-bar,.lang-toggle{display:flex;align-items:center;justify-content:space-between}.lang-toggle{position:relative;width:120px;height:38px;padding:3px;border-radius:20px;border:1px solid rgba(30,60,114,.2);background:#f3f4f6;cursor:pointer;font-size:13px;font-weight:600;color:#1e3c72;overflow:hidden;transition:all .3s ease;outline:none}.lang-toggle:hover{background:#e5e7eb;border-color:rgba(30,60,114,.3)}.lang-toggle:focus,.lang-toggle:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(30,60,114,.1)}.toggle-label{width:50%;text-align:center;z-index:2;transition:color .3s ease;font-family:system-ui,-apple-system,sans-serif}.toggle-label.ur{font-family:Noto Nastaliq Urdu,Jameel Noori Nastaleeq,serif;font-size:11px;font-weight:600}.toggle-slider{position:absolute;top:3px;left:3px;width:calc(50% - 3px);height:calc(100% - 6px);background:#fff;border-radius:16px;transition:transform .3s ease;z-index:1;box-shadow:0 1px 3px rgba(0,0,0,.1)}.lang-toggle.ur .toggle-slider{transform:translateX(100%)}.lang-toggle.en .toggle-label.en,.lang-toggle.ur .toggle-label.ur{color:#1e3c72}.books-page{max-width:900px;margin:0 auto;padding:0}.books-container{background:#fff;border-radius:12px;padding:40px;box-shadow:0 2px 8px rgba(0,0,0,.08);border:1px solid #e5e7eb}.book-header{margin-bottom:32px;border-bottom:2px solid #e5e7eb;padding-bottom:24px}.book-title{font-size:42px;font-weight:700;color:#1e3c72;margin:0 0 16px;line-height:1.2}.books-container[dir=rtl] .book-title{text-align:right;font-family:Noto Nastaliq Urdu,Jameel Noori Nastaleeq,serif;font-size:46px}.book-author{color:#6b7280;font-size:16px;margin:0}.markdown-content{margin-bottom:32px}.back-button{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(90deg,#1e3c72,#2a5298);color:#fff;border:none;padding:10px 16px;border-radius:8px;cursor:pointer;font-size:14px;font-weight:500;transition:all .3s ease;box-shadow:0 2px 4px rgba(30,60,114,.15);flex-shrink:0}.back-button:hover{box-shadow:0 4px 12px rgba(30,60,114,.25);transform:translateY(-1px)}.back-button:active{transform:translateY(0)}.back-button svg{width:18px;height:18px;stroke-linecap:round;stroke-linejoin:round}.error-container{text-align:center;padding:60px 40px;background:#fff;border-radius:12px;box-shadow:0 2px 8px rgba(0,0,0,.08)}.error-container h1{font-size:32px;margin-bottom:16px;color:#1f2937}.error-container p{color:#6b7280;margin-bottom:24px;font-size:16px}.btn{display:inline-block;padding:12px 24px;background:linear-gradient(90deg,#1e3c72,#2a5298);color:#fff;border-radius:8px;text-decoration:none;font-weight:600;transition:all .2s ease;cursor:pointer;border:none}.btn:hover{transform:scale(1.02)}@media (max-width:768px){.books-page{padding:16px}.books-container{padding:24px}.book-title{font-size:28px}.controls-bar{padding:0;margin-bottom:16px}}