/* Reset spacing and sizing */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        /* Smooth anchor scrolling */
        html {
            scroll-behavior: smooth;
        }

        /* Main body style */
        body {
            font-family: Arial, sans-serif;
            background: linear-gradient(180deg, #f0f4f8, #ffffff);
            color: #1f2937;
            line-height: 1.7;
            overflow-x: hidden;
            transition: background 0.3s ease, color 0.3s ease;
        }

        /* Dark mode body */
        body.dark-mode {
            background: linear-gradient(180deg, #0f172a, #111827);
            color: #e5e7eb;
        }

        /* Links */
        a {
            text-decoration: none;
            color: inherit;
        }

        /* Images */
        img {
            max-width: 100%;
            display: block;
        }

        /* Decorative background */
        .bg-decor {
            position: fixed;
            inset: 0;
            overflow: hidden;
            z-index: -1;
            pointer-events: none;
        }

        /* Blob common style */
        .blob {
            position: absolute;
            border-radius: 50%;
            filter: blur(80px);
            opacity: 0.22;
        }

        /* Blob one */
        .b1 {
            width: 260px;
            height: 260px;
            background: #38bdf8;
            top: 60px;
            left: -70px;
        }

        /* Blob two */
        .b2 {
            width: 300px;
            height: 300px;
            background: #60a5fa;
            top: 35%;
            right: -90px;
        }

        /* Blob three */
        .b3 {
            width: 240px;
            height: 240px;
            background: #a5b4fc;
            bottom: 30px;
            left: 25%;
        }

        /* Skip link hidden */
        .skip-link {
            position: absolute;
            left: -9999px;
            top: auto;
        }

        /* Skip link visible on focus */
        .skip-link:focus {
            left: 20px;
            top: 20px;
            background: #111827;
            color: #fff;
            padding: 10px 14px;
            border-radius: 8px;
            z-index: 9999;
        }

        /* Announcement bar */
        .announcement-bar {
            background: linear-gradient(90deg, #0f172a, #1e3a8a);
            color: #fff;
            padding: 12px 18px;
            display: flex;
            gap: 12px;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            text-align: center;
            font-size: 0.95rem;
        }

        /* Announcement bar links */
        .announcement-bar a {
            color: #93c5fd;
            font-weight: bold;
        }

        /* Announcement badge */
        .badge {
            background: rgba(255,255,255,0.12);
            border: 1px solid rgba(255,255,255,0.18);
            padding: 6px 10px;
            border-radius: 999px;
            font-size: 0.85rem;
            white-space: nowrap;
        }

        /* Site header */
        header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid #e5e7eb;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 20px;
            min-height: 110px;
        }

        /* Dark mode header */
        body.dark-mode header {
            background: rgba(17, 24, 39, 0.95);
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }

        /* Logo wrapper */
        .logo {
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        /* Fixed logo size */
        .logo img {
            width: 200px;
            height: 100px;
            object-fit: contain;
        }

        /* Desktop nav */
        .main-nav {
            display: flex;
            align-items: center;
        }

        /* Nav list */
        .nav-links {
            list-style: none;
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
            align-items: center;
        }

        /* Nav links */
        .nav-links li a {
            color: #1f2937;
            font-weight: 600;
            transition: 0.3s ease;
        }

        /* Dark mode nav links */
        body.dark-mode .nav-links li a {
            color: #e5e7eb;
        }

        /* Nav hover */
        .nav-links li a:hover {
            color: #2563eb;
        }

        /* Mobile site menu button */
        .menu-toggle {
            display: none;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: #2563eb;
            color: #ffffff;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 10px 25px rgba(37, 99, 235, 0.25);
            border: none;
            flex-shrink: 0;
        }

        /* Site menu icon */
        .menu-toggle i {
            font-size: 1.3rem;
            line-height: 1;
        }

        /* Mobile site sidebar */
        .sidebar {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            height: 100vh;
            background: #111827;
            color: #fff;
            padding: 24px 20px;
            transition: 0.35s ease;
            z-index: 2000;
            overflow-y: auto;
            -webkit-overflow-scrolling: touch;
            box-shadow: -10px 0 30px rgba(0,0,0,0.25);
        }

        /* Mobile site sidebar active */
        .sidebar.active {
            right: 0;
        }

        /* Sidebar close button */
        .close-btn {
            width: 46px;
            height: 46px;
            border-radius: 50%;
            background: #2563eb;
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-left: auto;
            margin-bottom: 22px;
            cursor: pointer;
            font-size: 1.2rem;
            box-shadow: 0 8px 20px rgba(37, 99, 235, 0.25);
        }

        /* Sidebar list */
        .sidebar ul {
            list-style: none;
            margin-bottom: 24px;
        }

        /* Sidebar items */
        .sidebar ul li {
            margin-bottom: 14px;
        }

        /* Sidebar links */
        .sidebar ul li a {
            color: #fff;
            font-size: 1rem;
        }

        /* Sidebar social row */
        .sidebar-social {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* Sidebar social links */
        .sidebar-social a {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: rgba(255,255,255,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            transition: 0.3s ease;
        }

        /* Sidebar social hover */
        .sidebar-social a:hover {
            background: #2563eb;
            transform: translateY(-2px);
        }

        /* Main */
        main {
            width: 100%;
        }

        /* Reader page section */
        .reader-section {
            padding: 32px 18px 70px;
        }

        /* Reader layout */
        .reader-wrap {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 300px 1fr;
            gap: 24px;
            align-items: start;
        }

        /* Desktop chapter sidebar */
        .chapter-sidebar {
            background: rgba(255,255,255,0.9);
            border: 1px solid rgba(255,255,255,0.7);
            border-radius: 24px;
            box-shadow: 0 20px 60px rgba(15, 23, 42, 0.08);
            padding: 18px;
            position: sticky;
            top: 110px;
            height: calc(100vh - 110px);
            max-height: calc(100vh - 110px);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        /* Dark chapter sidebar */
        body.dark-mode .chapter-sidebar {
            background: rgba(17, 24, 39, 0.92);
            border: 1px solid rgba(255,255,255,0.08);
        }

        /* Sidebar title */
        .sidebar-title {
            font-size: 1.2rem;
            margin-bottom: 14px;
            color: #0f172a;
        }

        /* Dark sidebar title */
        body.dark-mode .sidebar-title {
            color: #f8fafc;
        }

        /* Mobile chapter toggle */
        .chapter-toggle {
            display: none;
            width: 52px;
            height: 52px;
            min-width: 52px;
            min-height: 52px;
            border-radius: 50%;
            background: #2563eb;
            color: #ffffff;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 10px 25px rgba(37, 99, 235, 0.25);
            border: none;
            flex-shrink: 0;
        }

        /* Chapter toggle icon */
        .chapter-toggle i {
            font-size: 1.3rem;
            line-height: 1;
        }

        /* Mobile chapter panel */
        .chapter-mobile-panel {
            position: fixed;
            top: 0;
            left: -340px;
            width: 320px;
            height: 100vh;
            background: #ffffff;
            color: #1f2937;
            padding: 20px 16px 20px;
            transition: 0.35s ease;
            z-index: 2100;
            overflow-y: auto;
            -webkit-overflow-scrolling: touch;
            box-shadow: 10px 0 30px rgba(0,0,0,0.18);
            display: none;
        }

        /* Dark mobile chapter panel */
        body.dark-mode .chapter-mobile-panel {
            background: #111827;
            color: #e5e7eb;
        }

        /* Show mobile chapter panel */
        .chapter-mobile-panel.active {
            left: 0;
        }

        /* Mobile chapter close button */
        .chapter-panel-close {
            width: 46px;
            height: 46px;
            border-radius: 50%;
            background: #2563eb;
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-left: auto;
            margin-bottom: 18px;
            cursor: pointer;
            font-size: 1.2rem;
            box-shadow: 0 8px 20px rgba(37, 99, 235, 0.25);
        }

        /* Right content translator row */
        .content-translate-row {
            width: 100%;
            margin-bottom: 18px;
        }

        /* Translate wrapper */
        .translate-wrap {
            margin-bottom: 16px;
        }

        /* Google Translate box on right content */
        #google_translate_element,
        #google_translate_element_mobile,
        #google_translate_element_mobile_panel {
            width: 100%;
            max-width: 100%;
            height: 34px;
            min-height: 34px;
            max-height: 34px;
            background: #ffffff;
            padding: 2px 6px;
            border-radius: 8px;
            border: 1px solid #cbd5e1;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        /* Dark translate widgets */
        body.dark-mode #google_translate_element,
        body.dark-mode #google_translate_element_mobile,
        body.dark-mode #google_translate_element_mobile_panel {
            background: #1f2937;
            border: 1px solid rgba(255,255,255,0.08);
        }

        /* Keep Google widget visible */
        .goog-te-gadget {
            font-size: 0 !important;
            line-height: 0 !important;
            width: 100% !important;
            display: block !important;
        }

        /* Hide Google default extra text */
        .goog-te-gadget > span {
            display: none !important;
        }

        /* Google dropdown */
        .goog-te-combo {
            width: 100% !important;
            height: 28px !important;
            min-height: 28px !important;
            max-height: 28px !important;
            padding: 0 6px !important;
            border-radius: 6px !important;
            border: 1px solid #cbd5e1 !important;
            font-size: 12px !important;
            background: #ffffff !important;
            color: #111827 !important;
            margin: 0 !important;
            display: block !important;
            outline: none !important;
        }

        /* Dark dropdown */
        body.dark-mode .goog-te-combo {
            background: #111827 !important;
            color: #f9fafb !important;
            border: 1px solid rgba(255,255,255,0.1) !important;
        }

        /* Reader control buttons row */
        .reader-controls {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            margin-bottom: 16px;
        }

        /* Control button */
        .control-btn {
            border: none;
            background: #2563eb;
            color: #fff;
            padding: 10px 8px;
            border-radius: 12px;
            font-size: 0.9rem;
            font-weight: 700;
            cursor: pointer;
            transition: 0.3s ease;
        }

        /* Control hover */
        .control-btn:hover {
            background: #1d4ed8;
            transform: translateY(-2px);
        }

        /* Chapter search box */
        .chapter-search {
            position: relative;
            margin-bottom: 16px;
        }

        /* Search input */
        .chapter-search input {
            width: 100%;
            padding: 13px 14px 13px 42px;
            border-radius: 14px;
            border: 1px solid #cbd5e1;
            background: #ffffff;
            font-size: 0.96rem;
            outline: none;
            transition: 0.3s ease;
        }

        /* Search hover */
        .chapter-search input:hover {
            border-color: #2563eb;
            box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
        }

        /* Search focus */
        .chapter-search input:focus {
            border-color: #2563eb;
            box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
        }

        /* Dark search input */
        body.dark-mode .chapter-search input {
            background: #111827;
            color: #f8fafc;
            border: 1px solid rgba(255,255,255,0.1);
        }

        /* Search icon */
        .chapter-search i {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: #64748b;
        }

        /* Chapter list */
        .chapter-list {
            list-style: none;
            flex: 1;
            overflow-y: auto;
            padding-right: 6px;
            -webkit-overflow-scrolling: touch;
        }

        /* Chapter list items */
        .chapter-list li {
            margin-bottom: 8px;
        }

        /* Chapter links */
        .chapter-list a {
            display: block;
            padding: 11px 12px;
            border-radius: 12px;
            color: #1f2937;
            background: #f8fafc;
            border: 1px solid #e5e7eb;
            transition: 0.3s ease;
            font-weight: 600;
        }

        /* Dark chapter links */
        body.dark-mode .chapter-list a {
            background: #0f172a;
            color: #e5e7eb;
            border: 1px solid rgba(255,255,255,0.06);
        }

        /* Chapter hover */
        .chapter-list a:hover {
            background: #dbeafe;
            color: #1d4ed8;
            border-color: #93c5fd;
        }

        /* Dark chapter hover */
        body.dark-mode .chapter-list a:hover {
            background: #1e3a8a;
            color: #ffffff;
        }

        /* Active chapter link */
        .chapter-list a.active-link {
            background: #dbeafe;
            color: #1d4ed8;
            border-color: #93c5fd;
        }

        /* Active chapter dark */
        body.dark-mode .chapter-list a.active-link {
            background: #1e3a8a;
            color: #ffffff;
        }

        /* Reader content card */
        .reader-content {
            background: rgba(255,255,255,0.9);
            border: 1px solid rgba(255,255,255,0.7);
            border-radius: 26px;
            box-shadow: 0 20px 60px rgba(15, 23, 42, 0.08);
            padding: 28px 26px;
            width: 100%;
            position: relative;
        }

        /* Dark reader content */
        body.dark-mode .reader-content {
            background: rgba(17, 24, 39, 0.92);
            border: 1px solid rgba(255,255,255,0.08);
        }

        /* Mobile reader tools */
        .mobile-reader-tools {
            display: none;
            gap: 12px;
            align-items: stretch;
            justify-content: space-between;
            margin-bottom: 18px;
            flex-wrap: wrap;
            width: 100%;
        }

        /* Book title */
        .book-title {
            font-size: 2rem;
            color: #0f172a;
            margin-bottom: 8px;
        }

        /* Dark book title */
        body.dark-mode .book-title {
            color: #f8fafc;
        }

        /* Book subtitle */
        .book-subtitle {
            color: #475569;
            margin-bottom: 24px;
            font-size: 1rem;
        }

        /* Dark subtitle */
        body.dark-mode .book-subtitle {
            color: #cbd5e1;
        }

        /* Reading text wrapper */
        .reading-text {
            font-size: 18px;
            transition: font-size 0.3s ease;
        }

        /* Paragraphs */
        .reading-text p {
            margin-bottom: 18px;
            color: inherit;
        }

        /* Hide all chapter blocks by default */
        .chapter-block {
            display: none;
            width: 100%;
            min-height: 100%;
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }

        /* Show active chapter block */
        .chapter-block.active-chapter {
            display: block;
        }

        /* Chapter content heading */
        .chapter-block h2 {
            font-size: 1.55rem;
            margin-bottom: 14px;
            color: #1d4ed8;
        }

        /* Chapter subheading */
        .chapter-block h3 {
            font-size: 1.12rem;
            margin: 20px 0 10px;
            color: #0f172a;
        }

        /* Dark chapter subheading */
        body.dark-mode .chapter-block h3 {
            color: #f8fafc;
        }

        /* Top and bottom chapter navigation */
        .chapter-nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            margin: 18px 0;
            flex-wrap: wrap;
        }

        /* Top chapter nav spacing */
        .chapter-nav-top {
            margin-bottom: 24px;
        }

        /* Bottom chapter nav spacing */
        .chapter-nav-bottom {
            margin-top: 24px;
        }

        /* Previous and next chapter buttons */
        .chapter-btn {
            border: none;
            background: #2563eb;
            color: #ffffff;
            padding: 11px 18px;
            border-radius: 12px;
            font-size: 0.95rem;
            font-weight: 700;
            cursor: pointer;
            transition: 0.3s ease;
        }

        /* Chapter button hover */
        .chapter-btn:hover {
            background: #1d4ed8;
        }

        /* Disabled chapter button */
        .chapter-btn:disabled {
            background: #94a3b8;
            cursor: not-allowed;
        }

        /* Highlight in chapter list search */
        .chapter-hit {
            background: #fde68a;
            color: #111827;
            padding: 1px 2px;
            border-radius: 4px;
        }

        /* Highlight in reader text search */
        .reader-hit {
            background: #facc15;
            color: #111827;
            padding: 1px 2px;
            border-radius: 4px;
        }

        /* Right side go to top button */
        #contentTopBtn {
            position: fixed;
            right: 18px;
            bottom: 78px;
            width: 48px;
            height: 48px;
            border: none;
            border-radius: 50%;
            background: #0f172a;
            color: #ffffff;
            font-size: 1.05rem;
            cursor: pointer;
            display: none;
            z-index: 998;
            box-shadow: 0 10px 25px rgba(15, 23, 42, 0.28);
        }

        /* Right side go to top hover */
        #contentTopBtn:hover {
            background: #1e3a8a;
        }

        /* Footer */
        footer {
            background: #0f172a;
            color: #e5e7eb;
            padding: 45px 20px 28px;
            margin-top: 40px;
        }

        /* Footer menu */
        .footer-menu {
            max-width: 1150px;
            margin: 0 auto 28px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 20px;
        }

        /* Footer columns */
        .footer-menu .column {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        /* Footer links */
        .footer-menu a {
            color: #cbd5e1;
            transition: 0.3s ease;
        }

        /* Footer hover */
        .footer-menu a:hover {
            color: #60a5fa;
        }

        /* Footer social row */
        .footer-social {
            display: flex;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }

        /* Footer social links */
        .footer-social a {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: rgba(255,255,255,0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            transition: 0.3s ease;
        }

        /* Footer social hover */
        .footer-social a:hover {
            background: #2563eb;
            transform: translateY(-2px);
        }

        /* Footer text */
        footer p {
            text-align: center;
            color: #94a3b8;
            font-size: 0.95rem;
        }

        /* Global go to top button */
        #goTopBtn {
            position: fixed;
            right: 18px;
            bottom: 18px;
            width: 48px;
            height: 48px;
            border: none;
            border-radius: 50%;
            background: #2563eb;
            color: #fff;
            font-size: 1.1rem;
            cursor: pointer;
            box-shadow: 0 10px 25px rgba(37, 99, 235, 0.3);
            display: none;
            z-index: 999;
        }

        /* Global go to top hover */
        #goTopBtn:hover {
            background: #1d4ed8;
        }

        /* Stack layout for medium screens */
@media (max-width: 1100px) {
    .reader-wrap {
        grid-template-columns: 1fr;
    }

    /* Hide desktop chapter sidebar */
    .chapter-sidebar {
        display: none;
    }

    /* Show mobile chapter panel */
    .chapter-mobile-panel {
        display: block;
    }

    /* Top tools row (3-bar + 3 circle buttons) */
    .mobile-reader-tools {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
        flex-wrap: nowrap;
        margin-bottom: 18px;
        width: 100%;
    }

    /* 3-bar button */
    .chapter-toggle {
        display: flex;
        width: 52px;
        height: 52px;
        min-width: 52px;
        min-height: 52px;
        border-radius: 50%;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
    }

    /* Controls beside it */
    .reader-controls {
        display: flex;
        align-items: center;
        justify-content: flex-start;
        gap: 10px;
        margin-bottom: 0;
        flex-wrap: nowrap;
        width: auto;
    }

    /* Make ALL buttons circles */
    .control-btn {
        width: 52px;
        height: 52px;
        min-width: 52px;
        min-height: 52px;
        padding: 0;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0;
        flex-shrink: 0;
    }

    /* Show only icons */
    .control-btn i {
        font-size: 1.1rem;
        margin: 0;
    }

    /* Content padding */
    .reader-content {
        padding: 22px 20px;
    }

    /* Scrollable chapter list */
    .chapter-list {
        max-height: 75vh;
        overflow-y: auto;
    }

    /* Title */
    .book-title {
        font-size: 1.7rem;
    }
}


/* Site nav responsive */
@media (max-width: 992px) {
    .main-nav {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .book-title {
        font-size: 1.7rem;
    }
}


/* Small devices */
@media (max-width: 768px) {
    .reader-section {
        padding: 22px 12px 48px;
    }

    .reader-content {
        padding: 18px 16px;
    }

    .chapter-sidebar {
        display: none;
    }

    .chapter-mobile-panel {
        display: block;
    }

    .mobile-reader-tools {
        display: flex;
    }

    .chapter-toggle {
        display: flex;
    }

    /* Keep circles even on mobile */
    .reader-controls {
        display: flex;
        gap: 8px;
    }

    .control-btn {
        width: 48px;
        height: 48px;
        min-width: 48px;
        min-height: 48px;
    }

    .reading-text {
        font-size: 17px;
    }

    .chapter-nav {
        flex-direction: row;
        width: 100%;
    }

    .chapter-btn {
        flex: 1;
        text-align: center;
    }

    .chapter-list {
        max-height: 75vh;
        overflow-y: auto;
    }

    #google_translate_element,
    #google_translate_element_mobile,
    #google_translate_element_mobile_panel {
        height: 32px;
        min-height: 32px;
        max-height: 32px;
    }

    .goog-te-combo {
        height: 26px !important;
        min-height: 26px !important;
        max-height: 26px !important;
        font-size: 11px !important;
    }
}


/* Very small phones */
@media (max-width: 520px) {
    .announcement-bar {
        font-size: 0.88rem;
    }

    .book-title {
        font-size: 1.45rem;
    }

    .chapter-block h2 {
        font-size: 1.3rem;
    }

    .chapter-mobile-panel {
        width: 290px;
        left: -310px;
    }

    #google_translate_element,
    #google_translate_element_mobile,
    #google_translate_element_mobile_panel {
        height: 32px;
        min-height: 32px;
        max-height: 32px;
    }

    .goog-te-combo {
        height: 26px !important;
        min-height: 26px !important;
        max-height: 26px !important;
        font-size: 11px !important;
    }
}