styles.css

:root{font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#172542;background:#f3f6fc;font-size:16px;line-height:1.5;--blue:#2553df;--muted:#596981;--line:#dfe6f1}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,select{cursor:pointer}button{border:1px solid var(--line);border-radius:8px;background:white;color:#243552;padding:10px 14px;font-weight:600}button:hover{background:#eef3ff;border-color:#9ab0ed}button:disabled{opacity:.45;cursor:not-allowed}button:focus-visible,a:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid #91aaff;outline-offset:3px}input:focus,select:focus{outline:2px solid #91aaff;border-color:var(--blue)}.topbar{height:76px;background:#fff;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:0 max(28px,calc((100vw - 1440px)/2));gap:20px}.brand{text-decoration:none;color:#182746;display:flex;align-items:center;gap:12px;font-size:20px;font-weight:750}.brand-icon{background:var(--blue);color:white;width:36px;height:36px;border-radius:9px;display:grid;place-items:center;font-size:25px}.course{font-size:12px;font-weight:700;letter-spacing:.13em;color:var(--muted)}main{max-width:1440px;padding:38px 28px 24px;margin:auto}.page-heading{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:30px}.eyebrow{font-size:12px;letter-spacing:.12em;font-weight:750;color:var(--blue);margin:0 0 10px}h1{font-size:clamp(26px,3vw,36px);line-height:1.2;letter-spacing:-.035em;margin:0 0 12px}h2{font-size:21px;line-height:1.35;margin:0;letter-spacing:-.025em}h3{font-size:16px;margin:0}.intro{color:var(--muted);margin:0;max-width:740px}.tag{font-size:12px;padding:6px 10px;border:1px solid #d7e1f4;border-radius:6px;background:#f6f8fe;color:#4a5e85;white-space:nowrap}.workspace{display:grid;grid-template-columns:350px minmax(0,1fr);gap:24px;align-items:start}.panel{background:white;border:1px solid var(--line);border-radius:13px;padding:24px;box-shadow:0 4px 18px #233e7010}.panel-heading{display:flex;justify-content:space-between;align-items:center;gap:12px}.count{font-size:13px;border-radius:5px;background:#eff3fb;padding:4px 9px;color:#465a7a}.muted{color:var(--muted)}.small{font-size:14px}.input-panel>.small{margin:12px 0 18px}.table-scroll{overflow-x:auto}table{border-collapse:collapse;width:100%;text-align:left;font-size:14px;font-variant-numeric:tabular-nums}th{font-size:12px;font-weight:650;color:#5c6d86;background:#f6f8fc;white-space:nowrap}th,td{padding:12px 14px;border-bottom:1px solid #e9edf5}tbody tr:last-child td{border-bottom:0}.input-table th{padding:8px 5px;background:white}.input-table td{padding:7px 4px;border:0}.input-table input{width:100%;min-width:0}.input-table td:first-child{width:34%}.input-table td:nth-child(2),.input-table td:nth-child(3){width:27%}.input-table .remove{padding:4px 6px;border:0;color:#758299;font-size:22px;font-weight:400;line-height:1}.input-table .remove:hover{color:#b42332;background:#fff0f0}input,select{padding:10px;border:1px solid #cfdaeb;border-radius:6px;background:#fff;color:#213452;width:100%;font-size:14px;min-height:42px}input[type=number]{font-variant-numeric:tabular-nums}.add-button{width:100%;border-style:dashed;margin-top:12px;color:var(--blue);font-size:14px}.divider{height:1px;background:var(--line);margin:24px 0}.field-label{display:block;font-size:14px;font-weight:650;margin-bottom:8px}.quantum-field{margin-top:18px}.quantum-field input{max-width:100px}.quantum-field p{margin:8px 0 20px}.primary{width:100%;background:var(--blue);color:#fff;border-color:var(--blue);padding:13px}.primary:hover{background:#1844c8;color:#fff}.secondary-actions{display:flex;justify-content:center;gap:12px;margin-top:9px}.secondary-actions button{border:0;font-size:14px;color:#526586;background:transparent}.error{background:#fff0f0;color:#9f1e30;padding:12px;border-radius:6px;font-size:14px}.output-column{display:grid;gap:24px;min-width:0}.result-panel>.muted{font-size:14px;margin:12px 0 20px}.metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.metrics>div{padding:18px;background:#f4f7ff;border:1px solid #e3eafd;border-radius:9px}.metrics span,.metrics small{display:block;font-size:13px;color:#536886}.metrics strong{font-size:34px;font-weight:650;letter-spacing:-.04em;line-height:1.45;color:#203fb0;font-variant-numeric:tabular-nums}.metrics small{font-size:12px}.timeline-heading{display:flex;justify-content:space-between;gap:12px;margin:28px 0 16px}.gantt-scroll{overflow-x:auto;padding:2px 0 24px}.gantt-track{display:flex;min-width:100%;width:max-content;padding-right:26px;padding-left:2px}.gantt-segment{position:relative;display:flex;align-items:center;justify-content:center;height:52px;color:white;border-right:2px solid white;flex-shrink:0;font-size:14px;font-weight:700}.gantt-segment:first-child{border-radius:6px 0 0 6px}.gantt-segment:last-child{border-radius:0 6px 6px 0}.gantt-segment:only-child{border-radius:6px}.tick{position:absolute;bottom:-23px;left:0;font-size:12px;font-weight:400;color:#576a88;transform:translateX(-2px)}.tick.end{left:auto;right:0;transform:translateX(50%)}.legend{display:flex;gap:16px;flex-wrap:wrap;font-size:12px;color:#526581;margin:12px 0 20px}.legend span{display:inline-flex;align-items:center;gap:6px}.swatch{width:9px;height:9px;border-radius:3px;display:inline-block;flex-shrink:0}.run-stats{display:flex;gap:12px 24px;flex-wrap:wrap;padding:14px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:13px;color:#586d8b}.run-stats b{color:#253a5c;margin-left:6px}.table-title{margin:22px 0 14px}.results-table td:first-child{font-weight:650;white-space:nowrap}.results-table td:first-child .swatch{margin-right:7px}.comparison-table{margin-top:18px}.comparison-table td:first-child{font-weight:650;white-space:nowrap}.best{color:#146342;font-weight:700;background:#f0faf5}.comparison-table tr.selected td:first-child{color:var(--blue)}.comparison-table small{font-size:12px;font-weight:400;color:#61738f}.notes{margin-top:24px;padding:20px 24px}.notes summary{cursor:pointer;font-size:14px;font-weight:650}.notes-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;padding-top:22px}.notes-grid p{font-size:14px;color:var(--muted);line-height:1.75}.notes-grid h3{font-size:15px}footer{display:flex;justify-content:space-between;gap:12px;font-size:12px;color:#6a7891;padding-top:26px}footer span{letter-spacing:.09em}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}[hidden]{display:none!important}@media(min-width:1500px){.topbar{padding:0 calc((100vw - 1384px)/2)}}@media(max-width:1100px){.workspace{grid-template-columns:310px minmax(0,1fr);gap:18px}.panel{padding:20px}.page-heading>.tag{display:none}.metrics>div{padding:12px}.metrics strong{font-size:29px}}@media(max-width:820px){.workspace{grid-template-columns:1fr}.input-panel{max-width:none}.input-table td:first-child{width:38%}.metrics>div{padding:18px}.notes-grid{grid-template-columns:1fr;gap:12px}.page-heading{margin-bottom:24px}.topbar{height:66px;padding:0 20px}.course{display:none}main{padding:28px 16px 20px}.brand{font-size:18px}}@media(max-width:450px){.panel{padding:18px 14px}.metrics{gap:7px}.metrics>div{padding:11px 8px}.metrics span{font-size:12px}.metrics strong{font-size:28px}.result-panel .panel-heading{align-items:start;flex-direction:column}.timeline-heading{flex-wrap:wrap}footer{flex-direction:column}.run-stats{font-size:12px}h2{font-size:20px}}@media(prefers-reduced-motion:no-preference){button{transition:background .15s,border-color .15s}}

/* Extra inputs stay readable and scroll on smaller screens. */
.count-controls{display:flex;gap:8px;margin-bottom:10px}.count-controls input{width:85px}.count-controls button{flex:1;font-size:13px}
.input-table{min-width:405px}.input-table td:first-child{width:21%}.input-table td:nth-child(n+2){width:auto}.input-table input{min-width:58px}
.input-panel .table-scroll{margin-top:16px}tfoot{background:#eef3ff;font-weight:650}tfoot th,tfoot td{border-top:1px solid #cdd9ee}footer span{letter-spacing:0;font-size:11px}
@media(min-width:1200px){.workspace{grid-template-columns:455px minmax(0,1fr)}}

/* Configure above the results, with room for every process input. */
.workspace{display:grid;grid-template-columns:minmax(0,1fr);gap:24px}
.input-panel{min-width:0}.configuration-grid{display:grid;grid-template-columns:2fr 1.25fr 1fr;gap:24px;align-items:start;margin:22px 0}
.configuration-grid .quantum-field{margin:0}.configuration-grid .quantum-field input{max-width:none}
.configuration-grid p{font-size:12px;line-height:1.55;margin:8px 0 0}
.count-controls{display:grid;grid-template-columns:42px minmax(50px,1fr) 42px;gap:8px;margin:0}
.count-controls input{width:100%;text-align:center;font-variant-numeric:tabular-nums}
.count-controls button{padding:0;width:42px;height:42px;font-size:20px;font-weight:500;flex:none}
.input-table{min-width:0;table-layout:fixed}.input-table td:first-child,.input-table td:nth-child(n+2){width:auto}
.input-table th,.input-table td{padding:10px 8px}.input-table th{background:#f6f8fc}
.input-table th:last-child{width:44px}.input-table th:nth-child(5){width:21%}
.input-table input,.input-table select{width:100%;min-width:0}
.input-table .remove{width:28px;height:36px;padding:0}.process-editor{margin-top:12px!important}
.editor-footer{display:flex;gap:24px;align-items:center;margin-top:12px}
.editor-footer .add-button{width:auto;white-space:nowrap;margin:0;min-width:160px}
.editor-footer p{margin:0;font-size:12px;line-height:1.6}
.action-bar{display:flex;gap:16px;align-items:center;margin-top:24px}
.action-bar .primary{width:auto;min-width:180px}.secondary-actions{margin:0}
.result-panel .panel-heading{align-items:flex-start}.result-panel h2{overflow-wrap:anywhere}
.tag{white-space:normal}.result-panel .tag{flex-shrink:0;max-width:210px}
@media(max-width:820px){.configuration-grid{grid-template-columns:1fr 1fr;gap:18px}.configuration-grid>div:first-child{grid-column:1/-1}}
@media(max-width:600px){
 .configuration-grid{grid-template-columns:1fr}.configuration-grid>div:first-child{grid-column:auto}
 .process-editor{overflow:visible}.input-table,.input-table tbody{display:block;width:100%}.input-table thead{display:none}
 .input-table tr{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px;position:relative;padding:16px;background:#f6f8fc;border:1px solid var(--line);border-radius:9px;margin-bottom:12px}
 .input-table td,.input-table td:first-child,.input-table td:nth-child(n+2){display:block;width:auto;padding:0;border:0}
 .input-table td:before{content:attr(data-label);display:block;font-size:12px;color:var(--muted);margin-bottom:5px;font-weight:600}
 .input-table td:first-child{padding-right:24px}.input-table td:nth-child(5){grid-column:1/-1}
 .input-table .remove-cell{position:absolute;right:12px;top:9px}.input-table .remove-cell:before{display:none}
 .editor-footer{align-items:stretch;flex-direction:column;gap:10px}.editor-footer .add-button{width:100%}
 .action-bar{align-items:stretch;flex-direction:column;gap:10px}.action-bar .primary{width:100%}
 .metrics strong{font-size:clamp(20px,6vw,28px)}
}

.algorithm-link{display:inline;padding:2px 0;border:0;border-radius:3px;background:transparent;color:var(--blue);font-size:inherit;font-weight:650;text-align:left;text-decoration:underline;text-underline-offset:3px}
.algorithm-link:hover{background:transparent;color:#12359b}.algorithm-link[aria-pressed="true"]{color:#172542;text-decoration-thickness:2px}
.comparison-table tr.selected td:first-child{background:#eef3ff}#result-title{scroll-margin-top:24px}

/* Responsive layout: keep overflow inside charts, not the whole page. */
html{width:100%;-webkit-text-size-adjust:100%}
main,.panel,.workspace,.output-column,.configuration-grid>div,.notes-grid>div{min-width:0}
main{width:100%}.panel{max-width:100%}
.topbar{height:auto;min-height:76px;flex-wrap:wrap;padding-top:12px;padding-bottom:12px}
.brand{min-width:0;overflow-wrap:anywhere}.brand-icon{flex-shrink:0}
.page-heading>div,.panel-heading>div{min-width:0}
p,.error,.legend span,.run-stats span,footer span{overflow-wrap:anywhere}
.table-scroll,.gantt-scroll{width:100%;max-width:100%;min-width:0;overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch}
input,select{font-size:16px;min-height:44px;min-width:0}
button{touch-action:manipulation}.count-controls{grid-template-columns:44px minmax(50px,1fr) 44px}
.count-controls button{width:44px;height:44px}
.input-table .remove{width:44px;height:44px}.input-table th:last-child{width:60px}
.algorithm-link{display:inline-flex;align-items:center;min-height:44px;padding:10px 0}.notes summary{min-height:44px;align-content:center}
.metrics>div{min-width:0}.metrics strong{overflow-wrap:anywhere;font-size:clamp(25px,3vw,34px)}
footer{flex-wrap:wrap;align-items:flex-start}footer span{max-width:100%;min-width:0}
@media(max-width:1000px){.notes-grid{grid-template-columns:minmax(0,1fr);gap:14px}}
@media(max-width:740px){
 .configuration-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
 .configuration-grid>div:first-child{grid-column:1/-1}
 .process-editor{overflow:visible}.input-table,.input-table tbody{display:block;width:100%}.input-table thead{display:none}
 .input-table tr{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px;position:relative;padding:16px;background:#f6f8fc;border:1px solid var(--line);border-radius:9px;margin-bottom:12px}
 .input-table td,.input-table td:first-child,.input-table td:nth-child(n+2){display:block;width:auto;padding:0;border:0;min-width:0}
 .input-table td:before{content:attr(data-label);display:block;font-size:12px;color:var(--muted);margin-bottom:5px;font-weight:600}
 .input-table td:first-child{padding-right:30px}.input-table td:nth-child(5){grid-column:1/-1}
 .input-table .remove-cell{position:absolute;right:5px;top:4px}.input-table .remove-cell:before{display:none}
 .editor-footer{align-items:stretch;flex-direction:column;gap:10px}.editor-footer .add-button{width:100%}
 .result-panel .panel-heading{flex-direction:column;gap:12px}.result-panel .tag{max-width:100%}
 footer{flex-direction:column}
}
@media(max-width:640px){
 .configuration-grid{grid-template-columns:minmax(0,1fr)}.configuration-grid>div:first-child{grid-column:auto}
 .results-table,.results-table tbody,.results-table tfoot,.comparison-table,.comparison-table tbody{display:block;width:100%}
 .results-table thead,.comparison-table thead{display:none}
 .results-table tr,.comparison-table tr{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);border:1px solid var(--line);border-radius:8px;margin-bottom:12px;overflow:hidden;background:white}
 .results-table td,.results-table th,.comparison-table td{display:block;padding:10px 12px;border:0;min-width:0;white-space:normal;overflow-wrap:anywhere}
 .results-table td:before,.comparison-table td:before{content:attr(data-label);display:block;font-size:12px;font-weight:500;color:var(--muted);margin-bottom:4px}
 .results-table td:first-child,.results-table tfoot th,.comparison-table td:first-child{grid-column:1/-1;background:#f6f8fc;font-weight:650}
 .results-table td:first-child:before,.comparison-table td:first-child:before{display:none}
 .results-table tfoot tr{background:#eef3ff;border-color:#cdd9ee}.results-table tfoot th{background:#e5edff}
 .comparison-table tr.selected{border-color:var(--blue)}.comparison-table td:first-child{padding-top:4px;padding-bottom:4px}
 .comparison-table .algorithm-link{white-space:normal}
 .timeline-heading{flex-wrap:wrap}
 .action-bar{align-items:stretch;flex-direction:column;gap:10px}.action-bar .primary{width:100%}
 .secondary-actions button{min-height:44px}
}
@media(max-width:420px){
 main{padding:22px 12px 18px}.panel{padding:16px 12px}.topbar{padding-left:16px;padding-right:16px;min-height:66px}
 .metrics{grid-template-columns:minmax(0,1fr);gap:10px}.metrics>div{padding:12px 16px}.metrics strong{font-size:30px}
 .page-heading h1{font-size:27px}.panel-heading{flex-wrap:wrap}
 .input-table tr{grid-template-columns:minmax(0,1fr);padding:14px}.input-table td:nth-child(5){grid-column:auto}
 .input-table td:first-child{padding-right:42px}
}

/* Individual questions expand without a wall of text. */
.faq-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:22px}
.faq-group{min-width:0}.faq-group h3{font-size:15px;margin:0 0 12px}
.faq-item{border-bottom:1px solid var(--line)}.faq-item summary{padding:12px 4px;font-size:14px;line-height:1.6;cursor:pointer;overflow-wrap:anywhere}
.faq-item[open] summary{color:var(--blue)}.faq-item p{margin:0 0 16px;padding:0 4px;font-size:14px;line-height:1.75;color:var(--muted)}
@media(max-width:1000px){.faq-grid{grid-template-columns:minmax(0,1fr);gap:24px}}

/* Saving and playback use the same validated result as the main tables. */
.report-actions{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin:16px 0 22px}
.report-actions button{min-height:44px}.report-actions [role=status]{flex:1 1 240px;overflow-wrap:anywhere}
.playback-panel{margin-top:20px;border:1px solid var(--line);border-radius:10px;padding:16px;min-width:0}
.playback-panel>summary{font-size:16px;font-weight:650;cursor:pointer;min-height:32px;line-height:1.6}
.playback-controls{display:flex;align-items:center;flex-wrap:wrap;gap:8px;min-width:0;border:0;padding:0;margin:16px 0}
.playback-controls button{min-height:44px}.playback-controls:disabled{opacity:.55}
.playback-speed{display:flex;align-items:center;gap:8px;margin-left:auto;min-width:0}
.playback-speed select{width:auto;min-width:0;min-height:44px}
.playback-scrubber{flex:1 1 100%;min-width:0;margin-top:6px}
.playback-scrubber label{display:block;font-size:14px;margin-bottom:4px;font-weight:600}
.playback-scrubber input{width:100%;min-height:44px;padding:0;accent-color:var(--blue)}
.playback-state{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;background:#edf3ff;border-radius:8px;padding:12px 14px}
.playback-state strong,.playback-panel p{overflow-wrap:anywhere}
.playback-table{width:100%;font-size:14px}.playback-table th,.playback-table td{padding:10px 8px}
.playback-running{background:#edf3ff;font-weight:600}
.gantt-segment.playback-active{outline:3px solid #182c55;outline-offset:3px;z-index:1}
#print-report{display:none}
@media(max-width:740px){.playback-speed{margin-left:0;flex:1 1 100%}.playback-speed select{flex:1}.playback-controls button{flex:1 1 90px}.playback-panel{padding:12px}}
@media(max-width:640px){
 .report-actions button{flex:1 1 150px}
 .playback-table,.playback-table tbody{display:block;width:100%}.playback-table thead{display:none}
 .playback-table tr{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);border:1px solid var(--line);border-radius:8px;margin-bottom:12px;overflow:hidden}
 .playback-table td{display:block;border:0;padding:10px 12px;min-width:0;white-space:normal;overflow-wrap:anywhere}
 .playback-table td:before{content:attr(data-label);display:block;font-size:12px;font-weight:500;color:var(--muted);margin-bottom:4px}
 .playback-table td:first-child{grid-column:1/-1;background:#f6f8fc;font-weight:650}.playback-table td:first-child:before{display:none}
}
@page{size:A4;margin:14mm}
@media print{
 body{margin:0;background:#fff;color:#111;font-family:Arial,sans-serif;font-size:10pt;line-height:1.4}
 body>header,body>main{display:none!important}
 #print-report{display:block!important;margin:0;padding:0;width:auto}
 #print-report h1{font-size:19pt;margin:0 0 6pt}#print-report h2{font-size:14pt;margin:0 0 8pt}
 #print-report h3{font-size:11pt;margin:14pt 0 6pt;break-after:avoid}
 #print-report p{margin:7pt 0;font-size:9pt;line-height:1.45;overflow-wrap:anywhere}
 #print-report table{border-collapse:collapse;width:100%;table-layout:fixed;font-size:9pt;margin:0 0 8pt}
 #print-report thead{display:table-header-group}#print-report tr{break-inside:avoid}
 #print-report th,#print-report td{border:1px solid #b7bec8;padding:5pt 4pt;text-align:left;white-space:normal;overflow-wrap:anywhere;color:#111}
 #print-report th{font-weight:700;background:#f1f3f7}
 #print-report .print-timeline{display:flex;flex-wrap:wrap;gap:5pt}
 #print-report .print-timeline span{display:block;border:1.5pt solid #777;padding:5pt 6pt;break-inside:avoid;overflow-wrap:anywhere;max-width:100%;font-size:9pt}
}