:root{--react-pdf-annotation-layer: 1;--annotation-unfocused-field-background: url("data:image/svg+xml;charset=UTF-8,<svg width='1px' height='1px' xmlns='http://www.w3.org/2000/svg'><rect width='100%' height='100%' style='fill:rgba(0, 54, 255, 0.13);'/></svg>");--input-focus-border-color: Highlight;--input-focus-outline: 1px solid Canvas;--input-unfocused-border-color: transparent;--input-disabled-border-color: transparent;--input-hover-border-color: black;--link-outline: none}@media screen and (forced-colors: active){:root{--input-focus-border-color: CanvasText;--input-unfocused-border-color: ActiveText;--input-disabled-border-color: GrayText;--input-hover-border-color: Highlight;--link-outline: 1.5px solid LinkText}.annotationLayer .textWidgetAnnotation :is(input,textarea):required,.annotationLayer .choiceWidgetAnnotation select:required,.annotationLayer .buttonWidgetAnnotation:is(.checkBox,.radioButton) input:required{outline:1.5px solid selectedItem}.annotationLayer .linkAnnotation:hover{-webkit-backdrop-filter:invert(100%);backdrop-filter:invert(100%)}}.annotationLayer{position:absolute;top:0;left:0;pointer-events:none;transform-origin:0 0;z-index:3}.annotationLayer[data-main-rotation="90"] .norotate{transform:rotate(270deg) translate(-100%)}.annotationLayer[data-main-rotation="180"] .norotate{transform:rotate(180deg) translate(-100%,-100%)}.annotationLayer[data-main-rotation="270"] .norotate{transform:rotate(90deg) translateY(-100%)}.annotationLayer canvas{position:absolute;width:100%;height:100%}.annotationLayer section{position:absolute;text-align:initial;pointer-events:auto;box-sizing:border-box;margin:0;transform-origin:0 0}.annotationLayer .linkAnnotation{outline:var(--link-outline)}.textLayer.selecting~.annotationLayer section{pointer-events:none}.annotationLayer :is(.linkAnnotation,.buttonWidgetAnnotation.pushButton)>a{position:absolute;font-size:1em;top:0;left:0;width:100%;height:100%}.annotationLayer :is(.linkAnnotation,.buttonWidgetAnnotation.pushButton)>a:hover{opacity:.2;background:#ff0;box-shadow:0 2px 10px #ff0}.annotationLayer .textAnnotation img{position:absolute;cursor:pointer;width:100%;height:100%;top:0;left:0}.annotationLayer .textWidgetAnnotation :is(input,textarea),.annotationLayer .choiceWidgetAnnotation select,.annotationLayer .buttonWidgetAnnotation:is(.checkBox,.radioButton) input{background-image:var(--annotation-unfocused-field-background);border:2px solid var(--input-unfocused-border-color);box-sizing:border-box;font:calc(9px * var(--scale-factor)) sans-serif;height:100%;margin:0;vertical-align:top;width:100%}.annotationLayer .textWidgetAnnotation :is(input,textarea):required,.annotationLayer .choiceWidgetAnnotation select:required,.annotationLayer .buttonWidgetAnnotation:is(.checkBox,.radioButton) input:required{outline:1.5px solid red}.annotationLayer .choiceWidgetAnnotation select option{padding:0}.annotationLayer .buttonWidgetAnnotation.radioButton input{border-radius:50%}.annotationLayer .textWidgetAnnotation textarea{resize:none}.annotationLayer .textWidgetAnnotation :is(input,textarea)[disabled],.annotationLayer .choiceWidgetAnnotation select[disabled],.annotationLayer .buttonWidgetAnnotation:is(.checkBox,.radioButton) input[disabled]{background:none;border:2px solid var(--input-disabled-border-color);cursor:not-allowed}.annotationLayer .textWidgetAnnotation :is(input,textarea):hover,.annotationLayer .choiceWidgetAnnotation select:hover,.annotationLayer .buttonWidgetAnnotation:is(.checkBox,.radioButton) input:hover{border:2px solid var(--input-hover-border-color)}.annotationLayer .textWidgetAnnotation :is(input,textarea):hover,.annotationLayer .choiceWidgetAnnotation select:hover,.annotationLayer .buttonWidgetAnnotation.checkBox input:hover{border-radius:2px}.annotationLayer .textWidgetAnnotation :is(input,textarea):focus,.annotationLayer .choiceWidgetAnnotation select:focus{background:none;border:2px solid var(--input-focus-border-color);border-radius:2px;outline:var(--input-focus-outline)}.annotationLayer .buttonWidgetAnnotation:is(.checkBox,.radioButton) :focus{background-image:none;background-color:transparent}.annotationLayer .buttonWidgetAnnotation.checkBox :focus{border:2px solid var(--input-focus-border-color);border-radius:2px;outline:var(--input-focus-outline)}.annotationLayer .buttonWidgetAnnotation.radioButton :focus{border:2px solid var(--input-focus-border-color);outline:var(--input-focus-outline)}.annotationLayer .buttonWidgetAnnotation.checkBox input:checked:before,.annotationLayer .buttonWidgetAnnotation.checkBox input:checked:after,.annotationLayer .buttonWidgetAnnotation.radioButton input:checked:before{background-color:CanvasText;content:"";display:block;position:absolute}.annotationLayer .buttonWidgetAnnotation.checkBox input:checked:before,.annotationLayer .buttonWidgetAnnotation.checkBox input:checked:after{height:80%;left:45%;width:1px}.annotationLayer .buttonWidgetAnnotation.checkBox input:checked:before{transform:rotate(45deg)}.annotationLayer .buttonWidgetAnnotation.checkBox input:checked:after{transform:rotate(-45deg)}.annotationLayer .buttonWidgetAnnotation.radioButton input:checked:before{border-radius:50%;height:50%;left:30%;top:20%;width:50%}.annotationLayer .textWidgetAnnotation input.comb{font-family:monospace;padding-left:2px;padding-right:0}.annotationLayer .textWidgetAnnotation input.comb:focus{width:103%}.annotationLayer .buttonWidgetAnnotation:is(.checkBox,.radioButton) input{-webkit-appearance:none;-moz-appearance:none;appearance:none}.annotationLayer .popupTriggerArea{height:100%;width:100%}.annotationLayer .fileAttachmentAnnotation .popupTriggerArea{position:absolute}.annotationLayer .popupWrapper{position:absolute;font-size:calc(9px * var(--scale-factor));width:100%;min-width:calc(180px * var(--scale-factor));pointer-events:none}.annotationLayer .popup{position:absolute;max-width:calc(180px * var(--scale-factor));background-color:#ff9;box-shadow:0 calc(2px * var(--scale-factor)) calc(5px * var(--scale-factor)) #888;border-radius:calc(2px * var(--scale-factor));padding:calc(6px * var(--scale-factor));margin-left:calc(5px * var(--scale-factor));cursor:pointer;font:message-box;white-space:normal;word-wrap:break-word;pointer-events:auto}.annotationLayer .popup>*{font-size:calc(9px * var(--scale-factor))}.annotationLayer .popup h1{display:inline-block}.annotationLayer .popupDate{display:inline-block;margin-left:calc(5px * var(--scale-factor))}.annotationLayer .popupContent{border-top:1px solid rgba(51,51,51,1);margin-top:calc(2px * var(--scale-factor));padding-top:calc(2px * var(--scale-factor))}.annotationLayer .richText>*{white-space:pre-wrap;font-size:calc(9px * var(--scale-factor))}.annotationLayer .highlightAnnotation,.annotationLayer .underlineAnnotation,.annotationLayer .squigglyAnnotation,.annotationLayer .strikeoutAnnotation,.annotationLayer .freeTextAnnotation,.annotationLayer .lineAnnotation svg line,.annotationLayer .squareAnnotation svg rect,.annotationLayer .circleAnnotation svg ellipse,.annotationLayer .polylineAnnotation svg polyline,.annotationLayer .polygonAnnotation svg polygon,.annotationLayer .caretAnnotation,.annotationLayer .inkAnnotation svg polyline,.annotationLayer .stampAnnotation,.annotationLayer .fileAttachmentAnnotation{cursor:pointer}.annotationLayer section svg{position:absolute;width:100%;height:100%;top:0;left:0}.annotationLayer .annotationTextContent{position:absolute;width:100%;height:100%;opacity:0;color:transparent;-webkit-user-select:none;user-select:none;pointer-events:none}.annotationLayer .annotationTextContent span{width:100%;display:inline-block}:root{--react-pdf-text-layer: 1;--highlight-bg-color: rgba(180, 0, 170, 1);--highlight-selected-bg-color: rgba(0, 100, 0, 1)}@media screen and (forced-colors: active){:root{--highlight-bg-color: Highlight;--highlight-selected-bg-color: ButtonText}}[data-main-rotation="90"]{transform:rotate(90deg) translateY(-100%)}[data-main-rotation="180"]{transform:rotate(180deg) translate(-100%,-100%)}[data-main-rotation="270"]{transform:rotate(270deg) translate(-100%)}.textLayer{position:absolute;text-align:initial;top:0;right:0;bottom:0;left:0;overflow:hidden;line-height:1;text-size-adjust:none;forced-color-adjust:none;transform-origin:0 0;z-index:2}.textLayer :is(span,br){color:transparent;position:absolute;white-space:pre;cursor:text;margin:0;transform-origin:0 0}.textLayer span.markedContent{top:0;height:0}.textLayer .highlight{margin:-1px;padding:1px;background-color:var(--highlight-bg-color);border-radius:4px}.textLayer .highlight.appended{position:initial}.textLayer .highlight.begin{border-radius:4px 0 0 4px}.textLayer .highlight.end{border-radius:0 4px 4px 0}.textLayer .highlight.middle{border-radius:0}.textLayer .highlight.selected{background-color:var(--highlight-selected-bg-color)}.textLayer br::selection{background:transparent}.textLayer .endOfContent{display:block;position:absolute;top:100%;right:0;bottom:0;left:0;z-index:-1;cursor:default;-webkit-user-select:none;user-select:none}.textLayer.selecting .endOfContent{top:0}.hiddenCanvasElement{position:absolute;top:0;left:0;width:0;height:0;display:none}:root{--font: "Inter", system-ui, sans-serif;--font-mono: "JetBrains Mono", monospace;--bg: #F8F8F7;--surface: #FFFFFF;--border: #E5E5E3;--border-2: #D0D0CE;--text-1: #1A1A18;--text-2: #5C5C58;--text-3: #9C9C98;--accent: #2563EB;--accent-light: #EFF6FF;--accent-dark: #1D4ED8;--danger: #DC2626;--danger-light: #FEF2F2;--success: #16A34A;--radius: 6px;--radius-lg: 10px;--shadow-sm: 0 1px 3px rgba(0,0,0,.06);--shadow: 0 2px 8px rgba(0,0,0,.08)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font);font-size:14px;line-height:1.5;color:var(--text-1);background:var(--bg);-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{font-family:var(--font);cursor:pointer}input,select,textarea{font-family:var(--font);font-size:14px;color:var(--text-1);background:var(--surface);border:1px solid var(--border-2);border-radius:var(--radius);padding:7px 10px;outline:none;transition:border-color .15s}input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px #2563eb1f}.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--radius);border:1px solid transparent;font-size:13px;font-weight:500;transition:all .15s;white-space:nowrap}.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn-primary:hover{background:var(--accent-dark);border-color:var(--accent-dark)}.btn-secondary{background:var(--surface);color:var(--text-1);border-color:var(--border-2)}.btn-secondary:hover{background:var(--bg)}.btn-danger{background:var(--danger);color:#fff;border-color:var(--danger)}.btn-sm{padding:4px 10px;font-size:12px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:11px;font-weight:500;white-space:nowrap}.mono{font-family:var(--font-mono);font-size:13px;font-weight:500}.type-isa_letter{background:#eff6ff;color:#1d4ed8}.type-isa_combination{background:#eef2ff;color:#3730a3}.type-equipment{background:#ecfdf5;color:#065f46}.type-media{background:#fff7ed;color:#9a3412}.type-general{background:#f9fafb;color:#374151}.page{max-width:1100px;margin:0 auto;padding:24px 16px}.page-wide{max-width:1400px;margin:0 auto;padding:24px 16px}.label{display:block;font-size:12px;font-weight:500;color:var(--text-2);margin-bottom:5px;text-transform:uppercase;letter-spacing:.04em}.data-table{width:100%;border-collapse:collapse}.data-table th{text-align:left;font-size:11px;font-weight:500;color:var(--text-3);text-transform:uppercase;letter-spacing:.05em;padding:8px 12px;border-bottom:1px solid var(--border)}.data-table td{padding:10px 12px;border-bottom:1px solid var(--border)}.data-table tr:last-child td{border-bottom:none}.data-table tr:hover td{background:var(--bg)}.data-table tr{cursor:pointer}.alert{padding:10px 14px;border-radius:var(--radius);margin-bottom:12px;font-size:13px}.alert-error{background:var(--danger-light);color:var(--danger);border:1px solid #FECACA}.alert-success{background:#f0fdf4;color:var(--success);border:1px solid #BBF7D0}.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.grid-3{display:grid;grid-template-columns:120px 1fr 1fr 60px;gap:12px;align-items:end}.abbr-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:12px 14px;cursor:pointer;transition:box-shadow .15s;display:flex;gap:12px;align-items:flex-start}.abbr-card:hover{box-shadow:var(--shadow)}.abbr-card:active{background:var(--bg)}.mobile-nav-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;z-index:200}.mobile-nav-menu{position:fixed;top:0;right:0;bottom:0;width:220px;background:var(--surface);border-left:1px solid var(--border);z-index:201;display:flex;flex-direction:column;padding:16px;gap:6px;box-shadow:-4px 0 16px #0000001f}@media (max-width: 850px){.page,.page-wide{padding:16px 12px}.grid-2{grid-template-columns:1fr}.grid-3{grid-template-columns:1fr 1fr}.data-table{min-width:560px}.card{border-radius:var(--radius)}.badge{font-size:10px}.btn{font-size:12px;padding:6px 12px}input,select,textarea{font-size:16px}}@media (prefers-color-scheme: dark){:root:not([data-theme=light]){--bg: #1f1f1e;--surface: #2a2a29;--border: #3a3a38;--border-2: #4a4a48;--text-1: #ededed;--text-2: #9c9c98;--text-3: #606060;--accent: #3b82f6;--accent-light: #1a2e4a;--accent-dark: #60a5fa;--danger: #f87171;--danger-light: #3b1515;--success: #4ade80;--shadow-sm: 0 1px 3px rgba(0,0,0,.35);--shadow: 0 2px 8px rgba(0,0,0,.45)}}[data-theme=dark]{--bg: #1f1f1e;--surface: #2a2a29;--border: #3a3a38;--border-2: #4a4a48;--text-1: #ededed;--text-2: #9c9c98;--text-3: #606060;--accent: #3b82f6;--accent-light: #1a2e4a;--accent-dark: #60a5fa;--danger: #f87171;--danger-light: #3b1515;--success: #4ade80;--shadow-sm: 0 1px 3px rgba(0,0,0,.35);--shadow: 0 2px 8px rgba(0,0,0,.45)}[data-theme=light]{--bg: #F8F8F7;--surface: #FFFFFF;--border: #E5E5E3;--border-2: #D0D0CE;--text-1: #1A1A18;--text-2: #5C5C58;--text-3: #9C9C98;--accent: #2563EB;--accent-light: #EFF6FF;--accent-dark: #1D4ED8;--danger: #DC2626;--danger-light: #FEF2F2;--success: #16A34A;--shadow-sm: 0 1px 3px rgba(0,0,0,.06);--shadow: 0 2px 8px rgba(0,0,0,.08)}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .type-isa_letter{background:#1a2e4a;color:#93c5fd}:root:not([data-theme=light]) .type-isa_combination{background:#1e1b4b;color:#a5b4fc}:root:not([data-theme=light]) .type-equipment{background:#052e16;color:#86efac}:root:not([data-theme=light]) .type-media{background:#2c1306;color:#fdba74}:root:not([data-theme=light]) .type-general{background:#2a2a29;color:#d1d5db}}[data-theme=dark] .type-isa_letter{background:#1a2e4a;color:#93c5fd}[data-theme=dark] .type-isa_combination{background:#1e1b4b;color:#a5b4fc}[data-theme=dark] .type-equipment{background:#052e16;color:#86efac}[data-theme=dark] .type-media{background:#2c1306;color:#fdba74}[data-theme=dark] .type-general{background:#2a2a29;color:#d1d5db}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .alert-error{background:#3b1515;color:#f87171;border-color:#7f1d1d}:root:not([data-theme=light]) .alert-success{background:#052e16;color:#4ade80;border-color:#14532d}}[data-theme=dark] .alert-error{background:#3b1515;color:#f87171;border-color:#7f1d1d}[data-theme=dark] .alert-success{background:#052e16;color:#4ade80;border-color:#14532d}