.reader-container{z-index:9000;background-color:var(--bg-color);color:#e0e0e0;justify-content:center;width:100vw;height:100vh;display:flex;position:fixed;top:0;left:0}.sidebar{border-right:1px solid var(--border-color);z-index:10;background:#080808fa;flex-shrink:0;width:300px;padding:2rem 1.5rem;position:relative;overflow-y:auto;box-shadow:5px 0 20px #000c}.sidebar-header{border-bottom:1px solid var(--border-color);margin-bottom:2rem;padding-bottom:1rem}.back-link{letter-spacing:.1em;text-transform:uppercase;color:#888;margin-bottom:1rem;font-size:.9rem;display:inline-block}.back-link:hover{color:var(--accent-hover)}.chapter-nav ul{margin:0;padding:0;list-style:none}.chapter-nav li{margin-bottom:.5rem}.chapter-nav button{color:#aaa;text-align:left;font-family:var(--font-sans), sans-serif;cursor:pointer;background:0 0;border:none;border-radius:4px;width:100%;padding:.6rem .8rem;font-size:.95rem;transition:all .2s}.chapter-nav button:hover{color:#fff;background:#ffffff0d}.chapter-nav button.active{color:var(--accent-color);border-left:3px solid var(--accent-color);background:#8a0b1c1a;font-weight:700}.reader-main{scroll-behavior:smooth;z-index:1;flex:1;max-width:900px;height:100vh;display:block;position:relative;overflow:hidden auto}.chapter-section{width:100%;min-height:100vh;padding:4rem 2.5%}.chapter-inner-content{max-width:800px;margin:0 auto;padding-bottom:8rem}.chapter-title{border-bottom:1px solid var(--accent-color);text-shadow:2px 2px 10px #8a0b1c4d;margin-bottom:3rem;padding-bottom:1rem;font-size:2.5rem}.chapter-content{color:#d8d8d8;font-size:1.15rem;line-height:1.8}.chapter-content p{margin-bottom:1.5rem}.chapter-content blockquote{border-left:4px solid var(--accent-color);color:#a0a0a0;background:#ffffff05;margin-left:0;padding-top:.5rem;padding-bottom:.5rem;padding-left:1.5rem;font-style:italic}.chapter-content strong{color:#fff}.empty-book{text-align:center;color:#888;width:100%;margin-top:5rem;font-size:1.5rem;font-style:italic}.sidebar::-webkit-scrollbar{width:6px}.chapter-section::-webkit-scrollbar{width:6px}.sidebar::-webkit-scrollbar-track{background:0 0}.chapter-section::-webkit-scrollbar-track{background:0 0}.sidebar::-webkit-scrollbar-thumb{background:#333;border-radius:3px}.chapter-section::-webkit-scrollbar-thumb{background:#333;border-radius:3px}.sidebar:hover::-webkit-scrollbar-thumb{background:var(--accent-color)}.chapter-section:hover::-webkit-scrollbar-thumb{background:var(--accent-color)}.reader-main::-webkit-scrollbar{height:8px}.reader-main::-webkit-scrollbar-thumb{background:var(--accent-color);border-radius:4px}.mobile-nav-toggle{z-index:10000;background:var(--accent-color);color:#fff;cursor:pointer;font-size:1rem;font-family:var(--font-sans);text-transform:uppercase;letter-spacing:.1em;border:1px solid #fff3;border-radius:50px;padding:.8rem 1.5rem;font-weight:700;transition:transform .2s,background .2s;display:none;position:fixed;bottom:2rem;left:50%;transform:translate(-50%);box-shadow:0 4px 15px #000c}.mobile-nav-toggle:active{background:#a30e22;transform:translate(-50%)scale(.95)}.sidebar-overlay{z-index:9998;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#000000b3;width:100vw;height:100vh;display:none;position:fixed;top:0;left:0}@media (max-width:900px){.mobile-nav-toggle,.sidebar-overlay.open{display:block}.sidebar{z-index:9999;height:100vh;transition:transform .3s;position:absolute;top:0;left:0;transform:translate(-100%)}.sidebar.open{transform:translate(0)}.chapter-section{padding:3rem 5%}.chapter-title{font-size:2rem}.chapter-content{font-size:1.05rem}}