:root{color-scheme:dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5;--bg: #0a0a0a;--surface: #141414;--surface-hover: #1a1a1a;--border: rgba(255, 255, 255, .08);--border-hover: rgba(255, 255, 255, .15);--text: #fafafa;--text-muted: rgba(255, 255, 255, .55);--accent: #6366f1;--accent-hover: #818cf8}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{min-height:100vh;background:var(--bg);color:var(--text)}.app{min-height:100vh;display:flex;flex-direction:column}.header{padding:1.5rem 2rem;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;background:var(--surface);position:sticky;top:0;z-index:10}.header-left{display:flex;align-items:center;gap:.75rem}.logo{font-size:1.5rem}.header h1{font-size:1.25rem;font-weight:700;letter-spacing:-.02em}.header h1 span{color:var(--accent)}.back-btn{background:var(--surface);border:1px solid var(--border);color:var(--text);padding:.5rem 1rem;border-radius:.5rem;cursor:pointer;font-size:.875rem;transition:all .15s}.back-btn:hover{border-color:var(--border-hover);background:var(--surface-hover)}.genres{display:flex;gap:.5rem;padding:1rem 2rem;overflow-x:auto;border-bottom:1px solid var(--border);background:var(--bg)}.genre-btn{background:transparent;border:1px solid var(--border);color:var(--text-muted);padding:.4rem 1rem;border-radius:9999px;cursor:pointer;font-size:.8rem;white-space:nowrap;transition:all .15s;font-family:inherit}.genre-btn:hover{border-color:var(--border-hover);color:var(--text)}.genre-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}.main{flex:1;padding:2rem}.book-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.25rem;max-width:1200px;margin:0 auto}.book-card{background:var(--surface);border:1px solid var(--border);border-radius:.75rem;padding:1.5rem;cursor:pointer;transition:all .2s;display:flex;flex-direction:column;gap:.75rem}.book-card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:0 8px 24px #6366f11a}.book-cover{font-size:3rem;line-height:1}.book-card h2{font-size:1.1rem;font-weight:600;letter-spacing:-.01em}.book-author{color:var(--text-muted);font-size:.85rem}.book-genre-tag{display:inline-block;background:#6366f126;color:var(--accent-hover);font-size:.7rem;padding:.2rem .6rem;border-radius:9999px;letter-spacing:.04em;text-transform:uppercase;font-weight:600;align-self:flex-start}.book-description{color:var(--text-muted);font-size:.875rem;line-height:1.5;flex:1}.read-btn{background:var(--accent);border:none;color:#fff;padding:.6rem 1rem;border-radius:.5rem;cursor:pointer;font-size:.85rem;font-weight:600;transition:background .15s;font-family:inherit;margin-top:.25rem}.read-btn:hover{background:var(--accent-hover)}.reader{max-width:720px;margin:0 auto;padding:2rem}.reader-meta{margin-bottom:2rem;padding-bottom:1.5rem;border-bottom:1px solid var(--border)}.reader-meta h2{font-size:1.75rem;font-weight:700;letter-spacing:-.02em;margin-bottom:.5rem}.reader-meta .book-author{font-size:1rem;margin-bottom:.5rem}.reader-content{font-size:1.05rem;line-height:1.85;color:#ffffffd9;white-space:pre-wrap}.reader-content h3,.reader-content b{color:var(--text)}.empty{text-align:center;padding:4rem 2rem;color:var(--text-muted)}.empty p{font-size:1.1rem;margin-bottom:.5rem}.search-bar{padding:.75rem 2rem;border-bottom:1px solid var(--border);background:var(--bg)}.search-input{width:100%;max-width:400px;background:var(--surface);border:1px solid var(--border);color:var(--text);padding:.6rem 1rem;border-radius:.5rem;font-size:.9rem;font-family:inherit;outline:none;transition:border-color .15s}.search-input:focus{border-color:var(--accent)}.search-input::placeholder{color:var(--text-muted)}.stats{color:var(--text-muted);font-size:.8rem;padding:.5rem 2rem 0;max-width:1200px;margin:0 auto}