:root{--bg-primary:#121212;--bg-secondary:#1E1E1E;--bg-card:#2A2A2A;--bg-hover:#333333;--text-primary:#FFFFFF;--text-secondary:#B0B0B0;--text-muted:#757575;--border-color:#3A3A3A;--border-hover:#4A4A4A;--accent-primary:#F5A623;--accent-secondary:#6C63FF;--accent-hover:#E0961E;--success:#4CAF50;--error:#FF6B6B;--radius:16px;--radius-sm:12px;--shadow:0 8px 32px rgba(0,0,0,0.4)}*{margin:0;padding:0;box-sizing:border-box}body{background:var(--bg-primary);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--accent-primary);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--accent-hover)}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.fade-in{animation:fadeIn .3s ease-out}.pulse{animation:pulse 1.5s ease-in-out infinite}.container{max-width:900px;margin:0 auto;padding:0 20px}.book-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius);padding:20px;transition:all .3s ease}.book-card:hover{transform:translateY(-4px);border-color:var(--accent-primary);box-shadow:var(--shadow)}.btn-primary{background:var(--accent-primary);color:var(--bg-primary);border:none;padding:12px 24px;border-radius:var(--radius-sm);font-weight:600;font-size:1rem;cursor:pointer;transition:all .2s ease}.btn-primary:hover{background:var(--accent-hover);transform:scale(1.02)}.btn-secondary{background:transparent;color:var(--text-primary);border:2px solid var(--accent-primary);padding:10px 22px;border-radius:var(--radius-sm);font-weight:600;font-size:1rem;cursor:pointer;transition:all .2s ease}.btn-secondary:hover{background:var(--accent-primary);color:var(--bg-primary)}.input-primary{background:var(--bg-secondary);color:var(--text-primary);border:2px solid var(--border-color);border-radius:var(--radius-sm);padding:14px 18px;font-size:1rem;width:100%;transition:border-color .2s ease}.input-primary:focus{outline:none;border-color:var(--accent-primary)}.input-primary::placeholder{color:var(--text-muted)}.badge-ai{background:rgba(108,99,255,.15);color:var(--accent-secondary);padding:4px 12px;border-radius:20px;font-size:.75rem;font-weight:600;border:1px solid rgba(108,99,255,.2)}.footer{text-align:center;padding:40px 0;margin-top:40px;border-top:1px solid var(--border-color);color:var(--text-muted);font-size:.9rem}