:root{color-scheme:light dark;--navy: #1d2d5e;--bg: #faf9f7;--surface: #ffffff;--border: #e6e3dd;--border-strong: #8a8378;--fg: #16161a;--muted-fg: #6b6b73;--muted: #b8b6b0;--error: #b3261e;--accent-indigo: #4f5bd5;--accent-blue: #2f6fed;--accent-sky: #0e8fc4;--accent-teal: #0f9083;--accent-green: #2f8f52;--accent-olive: #6d8b23;--accent-amber: #c8891b;--accent-orange: #d2702a;--accent-terracotta: #c05a48;--accent-pink: #c44a78;--accent-purple: #8348c4;--accent-stone: #77706a;--radius-sm: 10px;--radius: 16px;--radius-lg: 22px;--s1: 4px;--s2: 8px;--s3: 12px;--s4: 16px;--s5: 24px;--s6: 32px;--s7: 48px;--s8: 72px;--shadow: 0 1px 2px rgb(20 20 26 / 4%), 0 8px 24px rgb(20 20 26 / 4%);--shadow-lift: 0 2px 4px rgb(20 20 26 / 6%), 0 12px 32px rgb(20 20 26 / 8%);--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, system-ui, sans-serif}@media(prefers-color-scheme:dark){:root{--navy: #8c9bd8;--bg: #131316;--surface: #1c1c20;--border: #2c2c32;--border-strong: #74747e;--fg: #f2f1ee;--muted-fg: #9a9aa2;--muted: #55555e;--error: #f2b8b5;--accent-indigo: #8f97ec;--accent-blue: #7aa6f5;--accent-sky: #5cbde6;--accent-teal: #4fc4b8;--accent-green: #6cc487;--accent-olive: #a8c15e;--accent-amber: #e5b862;--accent-orange: #eda56f;--accent-terracotta: #e08e7f;--accent-pink: #e58bad;--accent-purple: #b58ae0;--accent-stone: #a9a29b;--shadow: 0 1px 2px rgb(0 0 0 / 30%), 0 8px 24px rgb(0 0 0 / 24%);--shadow-lift: 0 2px 4px rgb(0 0 0 / 36%), 0 12px 32px rgb(0 0 0 / 32%)}}*,*:before,*:after{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--font);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}:focus-visible{outline:2px solid var(--navy);outline-offset:2px;border-radius:var(--radius-sm)}button{font:inherit;color:inherit;cursor:pointer}input,select,textarea{font:inherit;color:inherit}h1,h2,h3,p{margin:0}.display{font-size:clamp(2rem,1.4rem + 2vw,2.75rem);font-weight:700;letter-spacing:-.03em;line-height:1.1}.title{font-size:1.125rem;font-weight:600;letter-spacing:-.01em}.body-muted{color:var(--muted-fg)}.section-label{font-size:.6875rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--muted-fg)}.caption{font-size:.8125rem;color:var(--muted-fg)}.shell{display:grid;grid-template-columns:248px minmax(0,1fr);min-height:100%}.sidebar{border-right:1px solid var(--border);padding:var(--s6) var(--s4);display:flex;flex-direction:column;gap:var(--s5);position:sticky;top:0;height:100vh}.brand{display:flex;align-items:center;gap:var(--s3);padding:0 var(--s3);font-weight:700;letter-spacing:-.02em}.brand-mark{width:30px;height:30px;border-radius:9px;background:var(--navy);display:grid;place-items:center;gap:2px;padding:6px 5px;flex:none}.brand-mark span{display:block;background:#fff;border-radius:1.5px;width:100%}.nav{display:flex;flex-direction:column;gap:2px}.nav-item{display:flex;align-items:center;justify-content:space-between;gap:var(--s3);padding:var(--s3) var(--s3);border:0;background:transparent;border-radius:var(--radius-sm);text-align:left;color:var(--fg);transition:background .12s ease}.nav-item:hover{background:color-mix(in srgb,var(--navy) 7%,transparent)}.nav-item[aria-current=page]{background:color-mix(in srgb,var(--navy) 11%,transparent);color:var(--navy);font-weight:600}.nav-count{font-size:.8125rem;color:var(--muted-fg);font-variant-numeric:tabular-nums}.main{padding:var(--s7) var(--s7) var(--s8);max-width:1320px;width:100%;margin-inline:auto}.page-head{display:flex;align-items:flex-end;gap:var(--s5);margin-bottom:var(--s6);flex-wrap:wrap}.page-head>:last-child{margin-inline-start:auto}@media(min-width:1100px){.page-head{max-width:760px}.page-head>:last-child{margin-inline-start:0}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--s2);border:1px solid transparent;border-radius:var(--radius);padding:11px 18px;font-weight:600;font-size:.9375rem;background:var(--navy);color:var(--bg);transition:transform .1s ease,filter .12s ease}.btn:hover:not(:disabled){filter:brightness(1.08)}.btn:active:not(:disabled){transform:scale(.98)}.btn:disabled{background:color-mix(in srgb,var(--navy) 22%,var(--surface));color:var(--muted-fg);cursor:not-allowed}.btn-secondary{background:transparent;color:var(--navy);border-color:var(--border)}.btn-secondary:hover:not(:disabled){background:color-mix(in srgb,var(--navy) 6%,transparent);filter:none}.btn-quiet{background:transparent;color:var(--muted-fg);border-color:transparent;padding:8px 10px}.btn-quiet:hover:not(:disabled){color:var(--fg);background:color-mix(in srgb,var(--fg) 6%,transparent);filter:none}.btn-danger{background:color-mix(in srgb,var(--error) 10%,transparent);color:var(--error);border-color:color-mix(in srgb,var(--error) 28%,transparent)}.btn-danger:hover:not(:disabled){background:color-mix(in srgb,var(--error) 16%,transparent);filter:none}.field{display:block}.field-label{display:block;font-size:.6875rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--muted-fg);margin-bottom:var(--s1)}.field-input{width:100%;background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius);padding:12px 15px;transition:border-color .12s ease}.field-input:hover{border-color:color-mix(in srgb,var(--navy) 30%,var(--border))}.field-input:focus{outline:none;border-color:var(--navy);box-shadow:0 0 0 3px color-mix(in srgb,var(--navy) 14%,transparent)}.field-input::placeholder{color:var(--muted-fg);opacity:1}.field-error{display:flex;gap:var(--s2);align-items:center;color:var(--error);font-size:.8125rem;margin-top:var(--s2)}.chip{border:1px solid var(--border-strong);background:transparent;border-radius:999px;padding:11px 16px;min-height:44px;font-size:.875rem;color:var(--fg);transition:background .12s ease}.chip:hover{background:color-mix(in srgb,var(--navy) 6%,transparent)}.chip:active{transform:scale(.97)}.chip[aria-pressed=true]:hover{background:color-mix(in srgb,var(--navy) 18%,transparent)}.nav-item[aria-current=page]:hover{background:color-mix(in srgb,var(--navy) 17%,transparent)}.book:active{transform:translateY(0);box-shadow:var(--shadow)}.chip[aria-pressed=true]{background:color-mix(in srgb,var(--navy) 12%,transparent);border-color:color-mix(in srgb,var(--navy) 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img{width:100%;height:100%;object-fit:cover;display:block}.book-body{min-width:0;flex:1;display:flex;flex-direction:column}.book-title{display:-webkit-box;overflow-wrap:anywhere;font-weight:600;letter-spacing:-.01em;overflow:hidden;-webkit-line-clamp:2;-webkit-box-orient:vertical}.book-author{display:block;color:var(--muted-fg);font-size:.875rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.progress{display:block;height:5px;border-radius:999px;background:color-mix(in srgb,var(--fg) 9%,transparent);overflow:hidden;margin-top:var(--s3)}.progress-fill{display:block;height:100%;border-radius:999px;background:var(--spine, var(--accent-indigo))}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:var(--s5)}.empty{border:1px dashed var(--border);border-radius:var(--radius-lg);padding:var(--s8) 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var(--border)}.stack{display:flex;flex-direction:column;gap:var(--s4)}.row{display:flex;align-items:center;gap:var(--s3)}.spread{display:flex;align-items:center;justify-content:space-between;gap:var(--s3)}@media(max-width:760px){.shell{grid-template-columns:minmax(0,1fr)}.sidebar{position:fixed;inset:auto 0 0;height:auto;flex-direction:row;align-items:center;border-right:0;border-top:1px solid var(--border);background:var(--surface);padding:var(--s2);gap:0;z-index:5;padding-bottom:max(var(--s2),env(safe-area-inset-bottom))}.sidebar .brand,.sidebar .sidebar-foot{display:none}.nav{flex-direction:row;flex:1}.nav-item{flex-direction:column;gap:2px;justify-content:center;flex:1;font-size:.8125rem;padding:var(--s2)}.main{padding:var(--s5) var(--s4) calc(var(--s8) + 40px)}.shelf{grid-template-columns:minmax(0,1fr)}}.narrow-only{display:none}@media(max-width:760px){.narrow-only{display:flex}.empty{padding:var(--s6) var(--s4)}.dialog-actions{flex-direction:column-reverse;align-items:stretch;gap:var(--s2)}.dialog-actions .row{display:grid;grid-template-columns:1fr 1fr;gap:var(--s2)}.dialog-actions .btn,.dialog-actions .btn-quiet{width:100%}}@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}