:root{color:#223331;background:#f6fbfb;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:16px;font-synthesis:none;line-height:1.5;letter-spacing:0;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;--paper: #fffdf8;--surface: #ffffff;--ink: #223331;--muted: #61706d;--line: #d9e5e1;--rose: #c8465f;--rose-dark: #9e2e45;--teal: #087b79;--mint: #dff2ec;--sky: #dcecf9;--gold: #f0c95b;--shadow: 0 16px 44px rgba(23, 45, 42, .12)}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0}button,input{font:inherit;letter-spacing:0}button{display:inline-flex;min-height:44px;align-items:center;justify-content:center;gap:.5rem;border:1px solid transparent;border-radius:8px;padding:.65rem 1rem;background:var(--teal);color:#fff;font-weight:700;cursor:pointer}button:hover:not(:disabled),button:focus-visible:not(:disabled){background:#056765}button:focus-visible,input:focus-visible{outline:3px solid rgba(240,201,91,.72);outline-offset:2px}button:disabled{cursor:not-allowed;opacity:.42}img{display:block;max-width:100%}.gate-screen{display:grid;min-height:100vh;place-items:center;padding:1.5rem;background:linear-gradient(180deg,#dcecf9cc,#dff2eca6),var(--paper)}.gate-card{width:min(100%,520px);border:1px solid var(--line);border-radius:8px;padding:2rem;background:var(--surface);box-shadow:var(--shadow)}.gate-mark{display:inline-grid;width:52px;height:52px;place-items:center;border-radius:8px;background:var(--mint);color:var(--teal)}.gate-card h1,.top-bar h1,.reader-title h1{margin:0;color:var(--ink);font-size:2rem;line-height:1.1}.gate-card h1{margin-top:1rem;margin-bottom:1.5rem}.gate-card label{display:block;margin-top:.9rem;margin-bottom:.5rem;color:var(--muted);font-weight:700}.gate-card>input{width:100%;min-width:0;min-height:44px;border:1px solid var(--line);border-radius:8px;padding:.6rem .75rem;color:var(--ink);background:#fbfefd}.setup-panel{display:grid;width:min(100%,560px);gap:.85rem;border:1px solid var(--line);border-radius:8px;padding:1.25rem;background:var(--surface);box-shadow:0 12px 30px #172d2a14}.setup-panel h2{margin:0;color:var(--ink);font-size:1.45rem;line-height:1.2}.setup-panel label{color:var(--muted);font-weight:700}.setup-panel input{min-width:0;min-height:44px;border:1px solid var(--line);border-radius:8px;padding:.6rem .75rem;color:var(--ink);background:#fbfefd}.gate-card>button{width:100%;margin-top:1rem}.gate-input-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:.75rem}.gate-input-row input{min-width:0;min-height:44px;border:1px solid var(--line);border-radius:8px;padding:.6rem .75rem;color:var(--ink);background:#fbfefd}.gate-input-row input[aria-invalid=true]{border-color:var(--rose)}.form-error{margin:.75rem 0 0;color:var(--rose-dark);font-weight:700}.form-success{margin:0;color:var(--teal);font-weight:700}.app-shell,.reader-shell{width:min(1180px,calc(100% - 2rem));margin:0 auto;padding:1.5rem 0 2.5rem}.top-bar,.reader-top-bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem 0 1.5rem}.reader-top-bar{display:grid;grid-template-columns:auto minmax(0,1fr) auto}.reader-title{min-width:0;text-align:center}.eyebrow{margin:0 0 .35rem;color:var(--rose-dark);font-size:.78rem;font-weight:800;text-transform:uppercase}.secondary-button{border-color:var(--line);background:var(--surface);color:var(--teal)}.secondary-button:hover:not(:disabled),.secondary-button:focus-visible:not(:disabled){border-color:#a9c9c3;background:var(--mint)}.book-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1rem}.book-card{display:grid;overflow:hidden;border:1px solid var(--line);border-radius:8px;background:var(--surface);box-shadow:0 12px 30px #172d2a14}.book-card img{width:100%;aspect-ratio:3 / 2;object-fit:cover;background:var(--sky)}.book-card-copy{display:grid;gap:.85rem;padding:1rem}.book-card-copy h2,.empty-state h2{margin:0;color:var(--ink);font-size:1.35rem;line-height:1.2}.book-card-copy p{margin:0;color:var(--muted)}.book-card-footer{display:flex;align-items:center;justify-content:space-between;gap:.75rem;color:var(--teal);font-weight:800}.empty-state{display:grid;min-height:280px;place-items:center;border:1px dashed #a9c9c3;border-radius:8px;color:var(--muted);text-align:center}.reader-layout{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(280px,.8fr);gap:1.25rem;align-items:stretch}.page-art,.page-copy{margin:0;border:1px solid var(--line);border-radius:8px;background:var(--surface);box-shadow:0 12px 30px #172d2a14}.page-art{display:grid;overflow:hidden;align-content:center;background:var(--sky)}.page-art img{width:100%;aspect-ratio:3 / 2;object-fit:contain}.page-copy{display:flex;min-height:100%;flex-direction:column;justify-content:center;padding:1.25rem}.page-copy p{margin:0;color:var(--ink);font-size:1.18rem;line-height:1.65}.page-copy p+p{margin-top:1rem}.page-copy .eyebrow{color:var(--teal);font-size:.78rem;line-height:1.2}.reader-controls{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:1rem;align-items:center;padding-top:1.25rem}.page-progress{display:flex;flex-wrap:wrap;justify-content:center;gap:.35rem}.page-progress button{width:.8rem;min-width:0;height:.8rem;min-height:0;border:1px solid #b9d6d0;border-radius:999px;padding:0;background:var(--surface)}.page-progress button.is-current{border-color:var(--rose);background:var(--rose)}@media(max-width:820px){.gate-input-row,.reader-layout,.reader-controls,.reader-top-bar{grid-template-columns:1fr}.top-bar{align-items:flex-start}.reader-title{text-align:left}.reader-controls{gap:.75rem}.reader-controls>button{width:100%}}@media(max-width:520px){.gate-card{padding:1.25rem}.gate-card h1,.top-bar h1,.reader-title h1{font-size:1.6rem}.top-bar{flex-direction:column}.book-card-footer{align-items:stretch;flex-direction:column}.book-card-footer button,.top-bar button{width:100%}.page-copy{padding:1rem}.page-copy p{font-size:1.05rem}}