:root{--crimson: #C94040;--ember: #D47240;--saffron: #E8B84B;--moss: #96BC5A;--fern: #50976A;--verdigris: #3D9E92;--cerulean: #3B6E9E;--iris: #7B3DAE;--crimson-tint: rgba(201,64,64,.12);--ember-tint: rgba(212,114,64,.12);--saffron-tint: rgba(232,184,75,.12);--moss-tint: rgba(150,188,90,.12);--fern-tint: rgba(80,151,106,.12);--verdigris-tint: rgba(61,158,146,.12);--cerulean-tint: rgba(59,110,158,.12);--iris-tint: rgba(123,61,174,.12)}*{margin:0;padding:0;box-sizing:border-box}body{background:var(--bg-base);color:var(--text-secondary);font-family:var(--font-ui);font-variation-settings:"SOFT" 0,"WONK" 1;overflow:hidden;height:100vh}#app{display:flex;flex-direction:column;height:100vh}.bui-header{z-index:10}#controls{display:flex;align-items:center;gap:12px;flex-wrap:wrap;flex:1;justify-content:flex-end;z-index:10}#category-filters{display:flex;gap:6px;flex-wrap:wrap;justify-content:center;padding:12px 24px;z-index:10}.cat-pill{display:flex;align-items:center;gap:5px;padding:3px 10px;border-radius:var(--radius-pill);background:var(--fill-subtle);border:1px solid var(--border-faint);color:var(--text-secondary);font-family:DM Mono,monospace;font-size:11px;cursor:pointer;transition:background .15s,border-color .15s,color .15s}.cat-pill:hover{background:var(--fill-hover);color:var(--text-primary)}.cat-pill.inactive{opacity:.25}.cat-pill.focused{background:var(--fill-selected);border-color:var(--border-strong);color:var(--text-bright);box-shadow:inset 0 1px #ffffff0f}.cat-dot{width:7px;height:7px;border-radius:50%}#clear-filters{display:none}#clear-filters.visible{display:inline-flex}#canvas-controls-left{position:absolute;top:24px;left:24px;z-index:10;display:inline-flex;align-items:center;gap:6px}#canvas-controls-right{position:absolute;top:24px;right:24px;z-index:10;display:inline-flex;align-items:center;gap:6px}#view-toggle{display:inline-flex;align-items:center;background:var(--fill-subtle);border:1px solid var(--border-faint);border-radius:var(--radius-pill);padding:3px;gap:2px}#view-toggle button{height:28px;padding:0 14px;border-radius:var(--radius-pill);border:none;background:transparent;color:var(--text-dim);font-family:DM Mono,monospace;font-size:11px;cursor:pointer;transition:background .15s,color .15s;white-space:nowrap}#view-toggle button.active{background:var(--fill-selected);color:var(--text-bright);box-shadow:0 1px 4px #0006,inset 0 1px #ffffff0f}#view-toggle button:hover:not(.active){color:var(--text-secondary)}.canvas-btn{display:inline-flex;align-items:center;gap:5px;height:28px;padding:0 12px;border-radius:var(--radius-pill);border:1px solid var(--border-faint);background:var(--fill-subtle);color:var(--text-dim);font-family:DM Mono,monospace;font-size:11px;cursor:pointer;transition:background .15s,color .15s,border-color .15s;white-space:nowrap}.canvas-btn:hover{background:var(--fill-hover);color:var(--text-secondary)}.canvas-btn svg{width:14px;height:14px;stroke-width:2}.preset-btn{height:28px;padding:0 14px;border-radius:var(--radius-pill);border:1px solid var(--border-faint);background:var(--fill-subtle);color:var(--text-dim);font-family:DM Mono,monospace;font-size:11px;cursor:pointer;transition:background .15s,color .15s,border-color .15s;white-space:nowrap}.preset-btn:hover{background:var(--fill-hover);color:var(--text-secondary)}.preset-btn.active{background:var(--fill-selected);border-color:var(--border-strong);color:var(--text-bright);box-shadow:0 1px 4px #0006,inset 0 1px #ffffff0f}#book-search{height:28px;padding:0 14px;border-radius:var(--radius-pill);border:1px solid var(--border-subtle);background:var(--fill-subtle);color:var(--text-primary);font-family:DM Mono,monospace;font-size:12px;width:160px;outline:none;transition:border-color .15s,background .15s,box-shadow .15s}#book-search:hover{border-color:var(--border-default);background:var(--fill-default)}#book-search:focus{border-color:var(--accent-border);background:var(--fill-default);box-shadow:0 0 0 3px #3b6edc1f}#book-search::placeholder{color:var(--text-muted)}#canvas-container{flex:1;position:relative;overflow:hidden}#main-canvas{display:block;width:100%;height:100%}#tooltip{position:fixed;padding:10px 14px;background:var(--bg-elevated);border:1px solid var(--border-default);border-radius:var(--radius-md);font-size:12px;line-height:1.5;pointer-events:none;z-index:100;max-width:280px;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);box-shadow:0 8px 24px #0009}#tooltip.hidden{display:none}.tt-cat{font-weight:600;font-size:11px;text-transform:uppercase;letter-spacing:.5px;margin-bottom:2px}.tt-books{color:var(--text-primary);font-family:Fraunces,Georgia,serif;font-variation-settings:"SOFT" 0,"WONK" 1;font-size:14px}.tt-count{color:var(--text-dim);font-size:11px;font-family:DM Mono,monospace}#side-panel{position:absolute;top:76px;left:24px;width:320px;max-height:calc(100% - 100px);background:var(--bg-elevated);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:20px;z-index:50;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);box-shadow:0 8px 32px #00000080;overflow-y:auto;transition:all .2s ease}#side-panel.expanded{max-height:calc(100% - 100px)}#side-panel.hidden{display:none}#side-panel-close{position:absolute;top:12px;right:12px;background:none;border:none;color:var(--text-muted);font-size:20px;cursor:pointer;line-height:1}#side-panel-close:hover{color:var(--text-bright)}.sp-header{margin-bottom:16px}.sp-cat{font-size:11px;text-transform:uppercase;letter-spacing:.5px;font-weight:600;font-family:DM Mono,monospace;margin-bottom:4px}.sp-title{font-family:Fraunces,Georgia,serif;font-variation-settings:"SOFT" 0,"WONK" 1;font-size:18px;font-weight:600;color:var(--text-primary)}.sp-count{color:var(--text-muted);font-size:12px;font-family:DM Mono,monospace}.sp-samples{display:flex;flex-direction:column;gap:12px;margin-bottom:16px}.sp-sample{padding:10px;background:var(--fill-subtle);border-radius:var(--radius-sm);border-left:2px solid var(--border-default)}.sp-refs{font-family:DM Mono,monospace;font-size:12px;color:var(--text-secondary);margin-bottom:4px}.sp-ref{color:var(--accent-text)}.sp-arrow{color:var(--text-muted);margin:0 4px}.sp-note{font-family:Fraunces,Georgia,serif;font-variation-settings:"SOFT" 0,"WONK" 1;font-size:13px;font-style:italic;color:var(--text-dim);line-height:1.4}.sp-reflist{margin-top:12px}.sp-reflist-title{font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);margin-bottom:8px;font-family:DM Mono,monospace}.sp-refitem{padding:4px 0;font-size:12px;color:var(--text-dim);font-family:DM Mono,monospace;border-bottom:1px solid var(--border-faint)}.sp-refitems{max-height:200px;overflow-y:auto;transition:max-height .2s ease}.sp-refitems.expanded{max-height:none}.sp-refitem-hidden{display:none}.sp-show-more{display:block;width:100%;margin-top:8px;padding:6px 0;border:1px solid var(--border-subtle);border-radius:var(--radius-sm);background:var(--fill-subtle);color:var(--text-dim);font-family:DM Mono,monospace;font-size:11px;cursor:pointer;transition:background .15s,color .15s,border-color .15s}.sp-show-more:hover{background:var(--fill-hover);border-color:var(--border-default);color:var(--text-primary)}#footer{padding:0 24px 24px;z-index:10}#footer-text{display:flex;justify-content:space-between;align-items:baseline;font-family:Fraunces,Georgia,serif;font-size:12px;font-weight:600;color:var(--text-muted);font-variation-settings:"SOFT" 0,"WONK" 1}#footer-text a{color:var(--text-muted);text-decoration:none}#footer-text a:hover{color:var(--text-dim);text-decoration:underline}#shuffle-overlay{position:fixed;inset:0;background:#0b0d12e6;z-index:80;display:flex;align-items:center;justify-content:center;cursor:pointer}#shuffle-overlay.hidden{display:none}#shuffle-canvas{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none}#shuffle-content{position:relative;display:flex;flex-direction:column;align-items:center;gap:48px;max-width:555px;cursor:default;-webkit-user-select:text;user-select:text}.shuffle-ref{font-family:Fraunces,Georgia,serif;font-variation-settings:"SOFT" 0,"WONK" 1;font-size:32px;font-weight:400;line-height:40px;color:var(--text-primary);text-align:center}#shuffle-arrow{font-size:32px;color:var(--text-muted)}#btn-shuffle-again{margin-top:16px}#btn-shuffle-exit{margin-top:-32px}#loading{position:fixed;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:var(--bg-base);z-index:1000;gap:20px}#loading.hidden{display:none}#loading-text{font-family:Fraunces,Georgia,serif;font-variation-settings:"SOFT" 0,"WONK" 1;font-size:18px;color:var(--text-dim)}#loading-bar{width:260px;height:2px;background:var(--border-faint);border-radius:1px;overflow:hidden}#loading-progress{width:0%;height:100%;background:linear-gradient(90deg,var(--crimson),var(--ember),var(--saffron),var(--moss),var(--fern),var(--verdigris),var(--cerulean),var(--iris));transition:width .3s}#side-panel::-webkit-scrollbar{width:4px}#side-panel::-webkit-scrollbar-track{background:transparent}#side-panel::-webkit-scrollbar-thumb{background:var(--border-default);border-radius:2px}.sp-refitems::-webkit-scrollbar{width:4px}.sp-refitems::-webkit-scrollbar-track{background:transparent}.sp-refitems::-webkit-scrollbar-thumb{background:var(--border-default);border-radius:2px}:root{--bg-base: #0B0D12;--bg-surface: #13161E;--bg-elevated: #1A1D27;--fill-subtle: #1C2030;--fill-default: #232840;--fill-hover: #2A3050;--fill-active: #313860;--fill-selected:#363D5A;--border-faint: rgba(255, 255, 255, .05);--border-subtle: rgba(255, 255, 255, .09);--border-default: rgba(255, 255, 255, .13);--border-strong: rgba(255, 255, 255, .22);--text-disabled: #3A4060;--text-muted: #5A6480;--text-dim: #8090A8;--text-secondary: #A0AEC0;--text-primary: #D8E4F0;--text-bright: #EDF2F8;--accent-fill: #3B4E7A;--accent-border: rgba(100, 140, 220, .35);--accent-text: #90B4F0;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-pill: 999px;--font-ui: "Fraunces", Georgia, serif;--font-mono: "DM Mono", ui-monospace, monospace}.bui-header{display:flex;flex-direction:column;gap:16px;padding:24px 24px 0;background:transparent;flex-shrink:0;position:relative}.bui-header__row{display:flex;align-items:center;gap:24px}.bui-header__title-group{display:flex;flex-direction:column;gap:8px;flex-shrink:0}.bui-header__title{font-family:var(--font-ui);font-size:32px;font-weight:400;line-height:40px;color:var(--text-primary);font-variation-settings:"SOFT" 0,"WONK" 1}.bui-header__subtitle{font-family:var(--font-mono);font-size:10px;font-weight:500;text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);line-height:10px}.bui-header__controls{display:flex;align-items:center;gap:12px;flex-wrap:wrap;flex:1;justify-content:flex-end;z-index:10}.bui-header__gradient{height:4px;width:100%;background:linear-gradient(90deg,#9a3d37,#a35f3b 14.423%,#b6944a 27.404%,#7e9452 39.423%,#4a7658 52.404%,#35587c 68.75% 85.096%,#5d3887)}