@import "https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Playfair+Display:ital,wght@0,600;0,700;1,600&family=JetBrains+Mono:wght@400;500&display=swap";:root{--font-sans:"Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-serif:"Playfair Display", Georgia, serif;--font-mono:"JetBrains Mono", monospace;--bg-primary:#0b0f19;--bg-secondary:#111827;--bg-card:#111827bf;--bg-card-hover:#1f2937d9;--border-subtle:#ffffff14;--border-focus:#6366f180;--text-main:#f3f4f6;--text-muted:#9ca3af;--text-dim:#6b7280;--primary:#6366f1;--primary-hover:#4f46e5;--primary-gradient:linear-gradient(135deg, #6366f1 0%, #a855f7 100%);--accent-glow:#6366f159;--success:#10b981;--danger:#ef4444;--warning:#f59e0b;--shadow-lg:0 20px 25px -5px #00000080, 0 10px 10px -5px #0000004d;--shadow-glow:0 0 25px #6366f140}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-main);-webkit-font-smoothing:antialiased;min-height:100vh;overflow-x:hidden}.glass-panel{background:var(--bg-card);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-subtle);border-radius:16px}.glass-nav{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--border-subtle);background:#0b0f19d9}button{cursor:pointer;border:none;outline:none;font-family:inherit;transition:all .2s cubic-bezier(.4,0,.2,1)}input,select,textarea{color:var(--text-main);border:1px solid var(--border-subtle);background:#111827cc;border-radius:8px;outline:none;font-family:inherit;transition:border-color .2s,box-shadow .2s}input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px #6366f140}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#0b0f19}::-webkit-scrollbar-thumb{background:#2d3748;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#4a5568}.flipbook-stage-container{perspective:2500px;transform-style:preserve-3d;-webkit-user-select:none;user-select:none}.book-viewport{transform-style:preserve-3d;justify-content:center;align-items:center;transition:transform .4s;display:flex;position:relative}.spine-crease{z-index:40;pointer-events:none;background:linear-gradient(90deg,#00000080 0%,#00000026 35%,#ffffff0f 50%,#00000026 65%,#00000080 100%);width:32px;position:absolute;top:0;bottom:0;left:50%;transform:translate(-50%)}.book-sheet{color:#1a202c;transform-origin:100%;background:#fff;border-radius:4px;transition:transform .6s cubic-bezier(.25,1,.5,1),box-shadow .4s;position:relative;overflow:hidden;box-shadow:0 10px 30px #00000059}.book-sheet.left-sheet{transform-origin:100%;border-top-left-radius:8px;border-bottom-left-radius:8px}.book-sheet.right-sheet{transform-origin:0;border-top-right-radius:8px;border-bottom-right-radius:8px}.paper-texture{background-image:radial-gradient(#00000008 1px,#0000 0);background-size:24px 24px}@media (width<=768px){.dual-page-layout{flex-direction:column}}