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rotateY(-90deg);background:linear-gradient(90deg,#1f1f1f,#3b3b3b 30%,#454545 55%,#2e2e2e 88%,#575757);border-radius:2px 0 0 2px;justify-content:center;align-items:flex-start;display:flex;top:0;left:0;overflow:hidden;box-shadow:inset 1px 0 #ffffff1a}.book-spine-text{writing-mode:vertical-rl;color:#ffffffb3;letter-spacing:.02em;white-space:nowrap;height:calc(100% - var(--band));text-overflow:ellipsis;padding:16px 0;font-size:12px;overflow:hidden}.book-spine-band{height:var(--band);background:linear-gradient(90deg,#ccc,#e8e8e8 35%,var(--paper) 60%,#dbdbdb 92%,#fafafa 100%);position:absolute;bottom:0;left:0;right:0;box-shadow:0 -1px #00000024}.book-pages{width:var(--bd);height:calc(100% - 6px);transform:translate(calc(var(--bd) / 2)) rotateY(90deg);background:linear-gradient(90deg,#0000001f,#0000 40%),repeating-linear-gradient(90deg,#f2f2f2 0 1px,#dedede 1px 2px);border-radius:0 2px 2px 0;top:3px;right:0}.book-top{width:calc(100% - 3px);height:var(--bd);transform:translateY(calc(var(--bd) / -2)) rotateX(90deg);background:linear-gradient(#0000001a,#0000 50%),linear-gradient(90deg,#0000001a,#0000 25%),repeating-linear-gradient(0deg,#f5f5f5 0 1px,#e3e3e3 1px 2px);top:0;left:3px}.book-back{transform:translateZ(calc(var(--bd) / -2)) rotateY(180deg);background:#242424;border-radius:8px 2px 2px 8px;inset:0}.book-shadow{pointer-events:none;transition:translate .7s var(--ease-spring),scale .7s var(--ease-spring),opacity .4s var(--ease-standard);border-radius:50%;position:absolute}.book-shadow-ambient{--a:.17;bottom:10px;left:calc(var(--bw) * -.19);width:calc(var(--bw) * 1.5);background:radial-gradient(ellipse,hsl(0 0% 0%/var(--a)) 0,hsl(0 0% 0%/calc(var(--a) * .62)) 30%,hsl(0 0% 0%/calc(var(--a) * .18)) 58%,transparent 100%);filter:blur(7px);height:38px;animation:shadow-diffuse-breathe 8s ease-in-out infinite}.book-shadow-contact{--a:.18;bottom:23px;left:calc(var(--bw) * .12);width:calc(var(--bw) * .78);background:radial-gradient(ellipse,hsl(0 0% 0%/var(--a)),hsl(0 0% 0%/calc(var(--a) * .35)) 45%,transparent 100%);filter:blur(3px);height:12px;animation:shadow-contact-breathe 8s ease-in-out infinite}@keyframes shadow-diffuse-breathe{0%,to{transform:translate(0)scale(1)}50%{transform:translate(1px,-1px)scale(1.025,1.07)}}@keyframes shadow-contact-breathe{0%,to{transform:scale(1)}50%{transform:scale(1.01,1.06)}}.shelf-viewport{isolation:isolate;margin-top:8px;position:relative}.shelf-wrap{scrollbar-width:none;padding:14px 0 10px;position:relative;overflow:auto hidden}.shelf-wrap::-webkit-scrollbar{display:none}.shelf-row{align-items:end;gap:10px;width:max-content;min-width:100%;height:292px;padding-right:24px;display:flex;position:relative}.shelf-item{flex:none;width:34px;height:268px}.shelf-spine{background:var(--paper);height:100%;color:var(--ink,#141414);border-radius:3px;flex-direction:column;justify-content:space-between;align-items:center;padding:16px 0 12px;display:flex;box-shadow:inset 1px 0 1px #ffffff1c,inset -2px 0 2px #00000030,1px 2px 3px #00000018}.shelf-spine-title{writing-mode:vertical-rl;white-space:nowrap;text-overflow:ellipsis;max-height:calc(100% - 26px);font-size:15.5px;font-weight:400;overflow:hidden}.shelf-plank{border-top:1px solid var(--border-l2);background:linear-gradient(var(--surface-l2),var(--surface-l1));pointer-events:none;z-index:-1;height:6px;position:absolute;bottom:16px;left:-12px;right:-12px;box-shadow:0 5px 9px -6px #00000038}.shelf-nav{border:1px solid var(--border-l1);width:32px;height:32px;color:var(--fg-secondary);border-radius:50%;justify-content:center;align-items:center;transition:background .16s,opacity .16s;display:flex}.shelf-nav:hover:not(:disabled){background:var(--surface-l2)}.shelf-nav:disabled{opacity:.28;cursor:default}body.picking article p{cursor:crosshair;transition:background-color .12s var(--ease-standard),box-shadow .12s var(--ease-standard);border-radius:6px}article p.pick-on,body.picking article p:hover{background:var(--pick-bg);box-shadow:0 0 0 6px var(--pick-bg)}body.picking article a,body.picking article sup{pointer-events:none}.diff-text del{color:var(--fg-tertiary);-webkit-text-decoration:line-through #0a0a0a73;text-decoration:line-through #0a0a0a73;text-decoration-thickness:1px}.diff-text ins{color:var(--fg-primary);background:var(--diff-ins-bg);-webkit-box-decoration-break:clone;box-decoration-break:clone;border-radius:4px;margin:0 -1px;padding:1px 3px;text-decoration:none}.cite-wrap{line-height:0;display:inline-block;position:relative}.cite-card{z-index:40;border:1px solid var(--border-l1);background:var(--surface-l1);opacity:0;visibility:hidden;pointer-events:none;width:320px;max-width:calc(100vw - 32px);transition:opacity .14s var(--ease-standard),transform .18s var(--ease-spring),visibility 0s linear .18s;text-align:left;border-radius:14px;padding:14px 16px 10px;line-height:1.45;position:absolute;top:calc(100% + 10px);left:auto;right:0;transform:translateY(-5px);box-shadow:0 2px 6px #0000000f,0 14px 36px #0000001f}.cite-wrap:focus-within .cite-card,.cite-wrap:hover .cite-card{opacity:1;visibility:visible;pointer-events:auto;transition-delay:0s;transform:translateY(0)}.cite-badge{background:var(--surface-l3);width:20px;height:20px;color:var(--fg-secondary);font-variant-numeric:tabular-nums;border-radius:999px;flex:none;justify-content:center;align-items:center;font-size:11.5px;display:flex}.cite-title{-webkit-line-clamp:2;color:var(--fg-primary);-webkit-box-orient:vertical;font-size:14px;line-height:1.35;display:-webkit-box;overflow:hidden}.cite-host{margin-top:3px;display:block}.cite-actions,.cite-host{color:var(--fg-tertiary);font-size:12.5px}.cite-actions{border-top:1px solid var(--border-l1);justify-content:space-between;align-items:center;gap:12px;margin-top:10px;padding-top:9px;display:flex}.cite-actions a{color:inherit;transition:color .14s var(--ease-standard)}.cite-actions a:hover{color:var(--fg-primary)}@property --ring{syntax:"<length>";inherits:false;initial-value:0}.cta-ambient{pointer-events:none;--ring:0px;--ring-ink:#0a0a0a1c;background:repeating-radial-gradient(circle at 50% 58%,transparent 0,transparent var(--ring),var(--ring-ink) var(--ring),var(--ring-ink) calc(var(--ring) + 1px),transparent calc(var(--ring) + 1px),transparent 80px);-webkit-mask-composite:source-in,xor;animation:cta-ripple 8s linear infinite;position:absolute;inset:0;-webkit-mask-image:radial-gradient(36% 130% at 50% 58%,#0000 52%,#000 100%),linear-gradient(90deg,#0000,#000 12% 88%,#0000),linear-gradient(#0000,#000 18% 92%,#0000);mask-image:radial-gradient(36% 130% at 50% 58%,#0000 52%,#000 100%),linear-gradient(90deg,#0000,#000 12% 88%,#0000),linear-gradient(#0000,#000 18% 92%,#0000);-webkit-mask-composite:source-in;mask-composite:intersect}@keyframes cta-ripple{to{--ring:79px}}.line-field{position:relative}.line-field:after,.line-field:before{content:"";height:1px;position:absolute;bottom:0;left:0;right:0}.line-field:after{background:var(--border-l2)}.line-field:before{transform-origin:50%;transition:transform .42s var(--ease-spring);z-index:1;background:#0a0a0a;transform:scaleX(0)}.line-field:focus-within:before,.line-field[data-filled="1"]:before{transform:scaleX(1)}.line-input{padding-left:44px;padding-right:44px}.line-hints,.line-input{font-family:var(--font-serif);letter-spacing:-.01em}.line-field:focus-within .line-hints,.line-field[data-filled="1"] .line-hints{opacity:0}.cta-go{color:var(--fg-tertiary);transition:color .16s var(--ease-standard),background-color .16s var(--ease-standard),transform .32s var(--ease-spring)}.line-field[data-filled="1"] .cta-go{color:var(--surface-base);background:#0a0a0a}.line-field[data-filled="1"] .cta-go:hover{transform:translate(2px)}@keyframes cover-fade{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.cover-fade{animation:cover-fade .45s var(--ease-spring) both}@keyframes feat-progress{0%{transform:scaleX(0)}to{transform:scaleX(1)}}.feat-progress{transform-origin:0;animation:feat-progress 7s linear both}.feat-progress[data-paused="1"]{animation-play-state:paused}.live-dot{background:var(--fg-primary);border-radius:999px;width:7px;height:7px;display:inline-block;position:relative}.live-dot:after{content:"";animation:live-pulse 2.2s var(--ease-standard) infinite;border:1.5px solid #0a0a0a80;border-radius:999px;position:absolute;inset:-4px}@keyframes live-pulse{0%{opacity:.9;transform:scale(.6)}70%,to{opacity:0;transform:scale(1.6)}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.book-float,.book-shadow,.book-sheen,.live-dot:after{animation:none!important}*{transition-duration:.01ms!important}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-space-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-divide-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-leading{syntax:"*";inherits:false}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-tracking{syntax:"*";inherits:false}@property --tw-ordinal{syntax:"*";inherits:false}@property --tw-slashed-zero{syntax:"*";inherits:false}@property --tw-numeric-figure{syntax:"*";inherits:false}@property --tw-numeric-spacing{syntax:"*";inherits:false}@property --tw-numeric-fraction{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@property --tw-backdrop-blur{syntax:"*";inherits:false}@property --tw-backdrop-brightness{syntax:"*";inherits:false}@property --tw-backdrop-contrast{syntax:"*";inherits:false}@property --tw-backdrop-grayscale{syntax:"*";inherits:false}@property --tw-backdrop-hue-rotate{syntax:"*";inherits:false}@property --tw-backdrop-invert{syntax:"*";inherits:false}@property --tw-backdrop-opacity{syntax:"*";inherits:false}@property --tw-backdrop-saturate{syntax:"*";inherits:false}@property --tw-backdrop-sepia{syntax:"*";inherits:false}@property --tw-duration{syntax:"*";inherits:false}@property --tw-ease{syntax:"*";inherits:false}@property --tw-translate-x{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-y{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-z{syntax:"*";inherits:false;initial-value:0}@property --tw-scale-x{syntax:"*";inherits:false;initial-value:1}@property --tw-scale-y{syntax:"*";inherits:false;initial-value:1}@property --tw-scale-z{syntax:"*";inherits:false;initial-value:1}@keyframes pulse{50%{opacity:.5}}