@charset "UTF-8";@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Literata:opsz,wght@7..72,400;7..72,500;7..72,600;7..72,700&display=swap";:root{--color-bg: oklch(1 0 0);--color-surface: oklch(.965 .004 230);--color-ink: oklch(.18 .008 230);--color-muted: oklch(.44 .006 230);--color-primary: oklch(.42 .11 215);--color-accent: oklch(.58 .13 038);--color-border: oklch(.88 .004 230);--color-modal-header: oklch(.46 .13 215);--color-gold: oklch(.7 .12 085);--color-points: oklch(.55 .1 215);--font-display: "Literata", Georgia, "Times New Roman", serif;--font-body: "Inter", system-ui, Helvetica, sans-serif;--font-mono: "JetBrains Mono", Consolas, monospace;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--text-3xl: 1.875rem;--text-4xl: 2.25rem;--text-5xl: 3rem;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.5rem;--space-6: 2rem;--space-8: 3rem;--space-10: 4rem;--space-12: 5rem;--z-dropdown: 100;--z-sticky: 200;--z-modal-backdrop: 300;--z-modal: 400;--z-toast: 500;--z-tooltip: 600;--radius: 8px;--bp-sm: 640px;--bp-md: 768px;--bp-lg: 1024px;--bp-xl: 1280px;--color-surface-alt: oklch(.955 .006 230);--shadow-sm: 0 1px 3px oklch(0 0 0 / .06);--shadow-md: 0 4px 12px oklch(0 0 0 / .08);--shadow-lg: 0 8px 24px oklch(0 0 0 / .1);--shadow-xl: 0 12px 32px oklch(0 0 0 / .12);--shadow-primary-sm: 0 2px 8px oklch(from var(--color-primary) l c h / .12);--shadow-primary-md: 0 4px 16px oklch(from var(--color-primary) l c h / .16);--gradient-surface: linear-gradient( 180deg, var(--color-surface) 0%, var(--color-surface-alt) 100% );--gradient-hero: linear-gradient( 180deg, var(--color-surface) 0%, var(--color-surface-alt) 60%, var(--color-bg) 100% );--ease-out: cubic-bezier(.16, 1, .3, 1);--ease-out-snappy: cubic-bezier(.22, 1, .36, 1);--ease-spring: cubic-bezier(.34, 1.56, .64, 1);--duration-fast: .15s;--duration-normal: .2s;--duration-slow: .4s;--duration-page: .3s;--page-transition: opacity var(--duration-page) var(--ease-out), transform var(--duration-page) var(--ease-out)}[data-theme=dark]{--color-bg: oklch(.08 0 0);--color-surface: oklch(.12 .003 230);--color-ink: oklch(.92 .005 230);--color-muted: oklch(.62 .004 230);--color-primary: oklch(.58 .12 215);--color-accent: oklch(.66 .13 038);--color-border: oklch(.2 .003 230);--color-surface-alt: oklch(.15 .004 230);--shadow-sm: 0 1px 3px oklch(0 0 0 / .2);--shadow-md: 0 4px 12px oklch(0 0 0 / .25);--shadow-lg: 0 8px 24px oklch(0 0 0 / .3);--shadow-xl: 0 12px 32px oklch(0 0 0 / .35);--shadow-primary-sm: 0 2px 8px oklch(from var(--color-primary) l c h / .2);--shadow-primary-md: 0 4px 16px oklch(from var(--color-primary) l c h / .25);--gradient-surface: linear-gradient( 180deg, var(--color-surface) 0%, var(--color-surface-alt) 100% );--gradient-hero: linear-gradient( 180deg, var(--color-surface) 0%, var(--color-surface-alt) 60%, var(--color-bg) 100% );--color-gold: oklch(.7 .12 085);--color-points: oklch(.55 .1 215)}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font-family:var(--font-body);font-size:var(--text-base);line-height:1.6;color:var(--color-ink);background-color:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body:before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(ellipse 80% 50% at 50% 0%,oklch(from var(--color-primary) l c h/.025) 0%,transparent 70%)}@keyframes page-enter{0%{opacity:0}to{opacity:1}}.app-main>*{animation:page-enter var(--duration-page) var(--ease-out) both}img{max-width:100%;height:auto;display:block}a{color:var(--color-primary);text-decoration:none;transition:color var(--duration-fast) ease}a:hover{text-decoration:underline}h1,h2,h3,h4{font-family:var(--font-display);letter-spacing:-.02em;text-wrap:balance;line-height:1.2;margin:0 0 var(--space-3)}h1{font-size:clamp(2.25rem,5vw,3rem);font-weight:700}h2{font-size:var(--text-3xl);font-weight:600}h3{font-size:var(--text-2xl);font-weight:600}h4{font-size:var(--text-xl);font-weight:500}p,li{max-width:75ch;text-wrap:pretty}small,.text-sm{font-size:var(--text-sm)}.text-xs{font-size:var(--text-xs)}@media(pointer:coarse){input[type=text],input[type=search],input[type=email],input[type=password],input[type=number],select,textarea{font-size:16px}}:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--color-muted)}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}@keyframes modal-backdrop-enter{0%{opacity:0}to{opacity:1}}@keyframes modal-panel-enter{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}.modal-backdrop{position:fixed;inset:0;background:#00000085;display:flex;align-items:center;justify-content:center;padding:var(--space-4);z-index:var(--z-modal-backdrop);animation:modal-backdrop-enter .22s var(--ease-out) both}.modal-panel{background:var(--color-bg);border-radius:12px;width:100%;max-width:480px;max-height:calc(100svh - var(--space-8));display:flex;flex-direction:column;overflow:hidden;border:1px solid oklch(0% 0 0deg / .12);box-shadow:0 1px 2px #0000000d,0 6px 16px #0000001c,0 24px 48px #00000026;animation:modal-panel-enter .34s var(--ease-out) both}[data-theme=dark] .modal-panel{border-color:#ffffff1a}.modal-header{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);padding:var(--space-5) var(--space-5) var(--space-4);background:var(--color-modal-header);flex-shrink:0}.modal-title{font-family:var(--font-display);font-size:var(--text-xl);font-weight:600;color:#fffffff2;margin:0;letter-spacing:-.02em;line-height:1.25;flex:1;text-wrap:balance}.modal-close{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;flex-shrink:0;border:none;background:#ffffff24;color:#ffffffe6;font-size:1.25rem;line-height:1;cursor:pointer;border-radius:6px;transition:background var(--duration-fast) var(--ease-out)}.modal-close:hover{background:#ffffff40}.modal-close:focus-visible{outline:2px solid oklch(100% 0 0deg / .6);outline-offset:2px}.modal-body{padding:var(--space-5);display:flex;flex-direction:column;gap:var(--space-4);overflow-y:auto;flex:1}.modal-footer{display:flex;align-items:center;justify-content:flex-end;gap:var(--space-3);padding:var(--space-4) var(--space-5);border-top:1px solid var(--color-border);flex-shrink:0}.modal-btn{display:inline-flex;align-items:center;justify-content:center;padding:var(--space-2) var(--space-5);border-radius:var(--radius);font-size:var(--text-sm);font-weight:500;font-family:var(--font-body);cursor:pointer;border:none;transition:background var(--duration-fast) var(--ease-out),box-shadow var(--duration-fast) var(--ease-out),opacity var(--duration-fast) var(--ease-out)}.modal-btn:disabled{opacity:.5;cursor:default}.modal-btn--primary{background:var(--color-primary);color:#fff}.modal-btn--primary:hover:not(:disabled){opacity:.9;box-shadow:0 2px 8px color-mix(in oklab,var(--color-primary) 40%,transparent)}.modal-btn--ghost{background:transparent;color:var(--color-muted);border:1px solid var(--color-border)}.modal-btn--ghost:hover:not(:disabled){background:var(--color-surface);color:var(--color-ink)}.modal-btn--secondary{background:var(--color-surface);color:var(--color-ink);border:1px solid var(--color-border);white-space:nowrap}.modal-btn--secondary:hover:not(:disabled){background:var(--color-border)}.modal-btn--full{width:100%}.field-label{font-size:var(--text-sm);font-weight:500;color:var(--color-ink);display:block}.field-hint{font-size:var(--text-xs);color:var(--color-muted)}.optional{font-weight:400;color:var(--color-muted)}.required{color:#c53829}.field-input,.field-textarea{width:100%;padding:var(--space-2) var(--space-3);border:1.5px solid var(--color-border);border-radius:var(--radius);font-size:var(--text-base);font-family:var(--font-body);background:var(--color-bg);color:var(--color-ink);outline:none;box-sizing:border-box;transition:border-color var(--duration-fast) var(--ease-out),box-shadow var(--duration-fast) var(--ease-out)}.field-input:focus,.field-textarea:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px color-mix(in oklab,var(--color-primary) 16%,transparent)}.field-input:disabled{opacity:.65;cursor:not-allowed;background:color-mix(in oklab,var(--color-bg) 80%,var(--color-border))}.field-textarea{resize:vertical;min-height:5rem}.field-error{font-size:var(--text-xs);color:#c53829}.inline-error{font-size:var(--text-sm);color:#c53829;margin-right:auto}.isbn-row{display:flex;gap:var(--space-2)}.isbn-row .field-input{flex:1}.isbn-error{font-size:var(--text-xs);color:#c53829;margin:0}@media(prefers-reduced-motion:reduce){.modal-backdrop,.modal-panel{animation:none;opacity:1;transform:none}}