:root{--bg-primary: #fcfbfa;--bg-secondary: #f4f1ea;--bg-tertiary: #ebe7dd;--text-primary: #1c1a17;--text-secondary: #4a453e;--text-muted: #8c8375;--accent-color: #3b82f6;--accent-hover: #2563eb;--border-color: #e5e0d4;--shadow-color: rgba(28, 26, 23, .05);--font-serif: "Playfair Display", Georgia, serif;--font-sans: "Inter", "Outfit", sans-serif;--transition-speed: .3s}[data-theme=dark]{--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--text-primary: #f8fafc;--text-secondary: #cbd5e1;--text-muted: #64748b;--accent-color: #3b82f6;--accent-hover: #60a5fa;--border-color: #334155;--shadow-color: rgba(0, 0, 0, .3)}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-sans);overflow:hidden;transition:background-color var(--transition-speed),color var(--transition-speed);-webkit-font-smoothing:antialiased}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@keyframes slideInRight{0%{transform:translate(100%)}to{transform:translate(0)}}.fade-in{animation:fadeIn .4s cubic-bezier(.16,1,.3,1) forwards}.scale-in{animation:scaleIn .3s cubic-bezier(.16,1,.3,1) forwards}input,textarea,select{font-family:inherit;background-color:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border-color);padding:.75rem 1rem;border-radius:6px;outline:none;transition:border-color var(--transition-speed)}input:focus,textarea:focus,select:focus{border-color:var(--accent-color)}button{font-family:inherit;cursor:pointer;border:none;outline:none;transition:all var(--transition-speed)}.btn-primary{background-color:var(--accent-color);color:#fff;padding:.75rem 1.5rem;border-radius:6px;font-weight:500}.btn-primary:hover{background-color:var(--accent-hover);transform:translateY(-1px)}.btn-secondary{background-color:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border-color);padding:.75rem 1.5rem;border-radius:6px;font-weight:500}.btn-secondary:hover{background-color:var(--bg-tertiary)}.glass-panel{background:#ffffff08;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.1)}[data-theme=dark] .glass-panel{background:#0f172a99;border:1px solid rgba(255,255,255,.05)}.flip-page-next-enter{animation:flipPageNextEnter .5s cubic-bezier(.25,1,.5,1) forwards;transform-style:preserve-3d}.flip-page-prev-enter{animation:flipPagePrevEnter .5s cubic-bezier(.25,1,.5,1) forwards;transform-style:preserve-3d}@keyframes flipPageNextEnter{0%{opacity:.7;transform:perspective(1500px) rotateY(-20deg) scale(.98)}to{opacity:1;transform:perspective(1500px) rotateY(0) scale(1)}}@keyframes flipPagePrevEnter{0%{opacity:.7;transform:perspective(1500px) rotateY(20deg) scale(.98)}to{opacity:1;transform:perspective(1500px) rotateY(0) scale(1)}}.toc-row{color:#1c1a17!important;transition:color .2s ease}.toc-row:hover{color:var(--accent-color, #c8a27b)!important}