:root {
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  color: #203047;
  background: #f7f8fc;
  --blue: #4459c5;
  --muted: #58657b;
  --line: #dfe4ee;
  --mono: ui-monospace, SFMono-Regular, Consolas, monospace;
}
* { box-sizing: border-box; }
body { margin: 0; font-size: 1rem; line-height: 1.55; }
[hidden] { display: none !important; }
a { color: inherit; text-underline-offset: 4px; }
button, input, textarea { font: inherit; }
button { cursor: pointer; color: inherit; border: 1px solid var(--line); border-radius: 9px; background: white; padding: 10px 14px; font-size: 1rem; }
button:hover { border-color: #8493d6; background: #f5f6ff; }
button:disabled { opacity: .5; cursor: wait; }
button:focus-visible, a:focus-visible, textarea:focus-visible, input:focus-visible, summary:focus-visible { outline: 3px solid #8094ee; outline-offset: 3px; }
.wrap { width: min(1240px, calc(100% - 56px)); margin: auto; }
.topbar { display: flex; justify-content: space-between; align-items: center; padding: 20px 0; border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 9px; font-size: 1rem; font-weight: 650; text-decoration: none; }
.monogram { padding: 7px; font: .875rem var(--mono); border: 1px solid var(--line); border-radius: 8px; background: white; }
.topbar nav { display: flex; gap: 22px; font-size: .875rem; color: var(--muted); }
.topbar nav a { text-decoration: none; }
.heading { padding: 32px 0 26px; }
h1 { font-size: clamp(29px, 4vw, 43px); line-height: 1.1; letter-spacing: -.055em; margin: 0; font-weight: 680; }
h1 span { color: #6374cf; }
.subtitle { color: var(--muted); font-size: 1.125rem; margin: 12px 0 0; }
.tool-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 20px; }
.tool-tabs button { display: flex; align-items: center; gap: 16px; text-align: left; padding: 17px 22px; font-size: 1.125rem; font-weight: 650; border-radius: 12px; background: #fff; }
.tool-tabs button[aria-pressed=true] { border-color: #7585d3; background: #eff1ff; box-shadow: 0 0 0 1px #7585d3; color: #3448ae; }
.tool-tabs svg { width: 32px; height: 32px; flex-shrink: 0; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.tool-tabs small { display: block; margin-top: 5px; font-size: .875rem; color: var(--muted); font-weight: 400; }
.workspace { display: grid; grid-template-columns: minmax(330px, .9fr) minmax(0, 1.4fr); gap: 20px; align-items: start; }
.toolbox, .results { background: white; border: 1px solid var(--line); border-radius: 14px; min-width: 0; }
.tool-body, .results { padding: 24px; }
.panel-label { display: flex; align-items: center; gap: 8px; margin: 0 0 22px; font-size: 1rem; font-weight: 600; color: var(--muted); }
.panel-label > span { display: grid; place-items: center; width: 23px; height: 23px; border-radius: 7px; background: #eef0fa; color: #4559bb; font: .875rem var(--mono); }
.case-picker { display: grid; gap: 9px; }
.case-card { display: flex; align-items: center; gap: 15px; padding: 9px 12px; min-height: 80px; text-align: left; border-radius: 9px; font-size: 1rem; }
.case-card svg { width: 68px; height: 34px; flex-shrink: 0; color: #64749d; }
.case-card[aria-pressed=true] { border-color: #7182d7; background: #f2f4ff; box-shadow: inset 3px 0 #6374cf; color: #3346a3; }
.case-provenance { min-height: 17px; font-size: .875rem; line-height: 1.6; color: var(--muted); margin: 14px 0 22px; }
.case-provenance a { color: #3a59a8; }
.input-editor { border-top: 1px solid var(--line); padding-top: 16px; }
summary { cursor: pointer; font-size: 1rem; color: #455675; line-height: 1.6; }
.input-fields { padding: 0; margin: 0; border: 0; min-width: 0; }
.counter-grid { display: grid; gap: 15px; margin-top: 18px; }
.input-heading { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 8px; font-size: .875rem; }
.text-button { border: 0; background: transparent; color: #3657b1; padding: 0; font-size: .875rem; }
textarea { display: block; width: 100%; resize: vertical; min-height: 105px; padding: 11px; border: 1px solid #cdd6e7; border-radius: 7px; background: #fafbfe; color: #2d435f; font: .875rem/1.6 var(--mono); }
.parameters { display: flex; flex-wrap: wrap; align-items: end; gap: 12px; margin-top: 15px; }
.parameters label { display: flex; flex: 1 1 100px; flex-direction: column; gap: 6px; font-size: .875rem; color: var(--muted); min-width: 0; }
.parameters input { width: 100%; min-width: 0; padding: 9px; border: 1px solid #cdd6e7; border-radius: 6px; font-size: 1rem; color: #253b56; background: white; }
.hint { font-size: .875rem; line-height: 1.6; color: var(--muted); }
.parameters .hint { flex-basis: 100%; }
.optional { margin-top: 16px; }
.optional summary { font-size: .875rem; }
.optional textarea { margin-top: 10px; min-height: 65px; }
.power-input { margin-top: 17px; }
.power-input textarea { height: 150px; }
.run-row { margin-top: 18px; }
.primary { width: 100%; padding: 12px 18px; background: var(--blue); color: white; border-color: var(--blue); font-weight: 600; }
.primary:hover { background: #3349b2; color: white; }
.privacy { display: flex; align-items: center; justify-content: center; gap: 6px; margin: 20px 0 0; font-size: .875rem; color: var(--muted); }
.privacy svg { width: 13px; height: 13px; fill: none; stroke: currentColor; stroke-width: 1.6; }
.status { font-size: .875rem; line-height: 1.6; margin: 12px 0 0; }
.status:empty { display: none; }
.status.error { color: #9c3328; background: #fff2ed; border-radius: 7px; padding: 12px; }
.results { min-height: 395px; }
.result-empty { display: grid; place-items: center; min-height: 270px; color: var(--muted); font-size: 1rem; text-align: center; }
.result-heading { display: flex; justify-content: space-between; gap: 16px; align-items: start; }
.result-heading button { font-size: .875rem; padding: 8px 10px; flex-shrink: 0; }
.result-heading h2 { margin: 0; font-size: clamp(24px, 2.3vw, 30px); font-weight: 600; letter-spacing: -.035em; line-height: 1.2; }
.verdict { display: inline-flex; align-items: center; gap: 6px; font-size: .875rem; font-weight: 650; margin-bottom: 11px; color: #805214; }
.verdict::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.verdict.pass { color: #217258; }
.verdict.incomplete { color: #9b4d1e; }
.result-message { font-size: 1rem; line-height: 1.7; color: var(--muted); margin: 12px 0 0; }
.result-visual { padding: 26px 0 8px; }
figure { margin: 0; }
.count-row + .count-row { margin-top: 21px; }
.count-label { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; font-size: 1rem; color: var(--muted); }
.count-label strong { font: 600 26px var(--mono); letter-spacing: -.04em; color: #263955; }
.count-track { height: 29px; border-radius: 6px; background: #edf0f7; overflow: hidden; position: relative; }
.count-fill { display: block; height: 100%; border-radius: 5px; }
.count-fill.expected { background: #667bd5; }
.count-fill.observed { background: #27846b; }
.count-track.unknown { border: 1px dashed #b17443; background: repeating-linear-gradient(135deg,#fff9f0,#fff9f0 6px,#f7edde 6px,#f7edde 8px); }
.unknown-label { position: absolute; inset: 0; text-align: center; color: #8b5022; font: 600 19px/27px var(--mono); }
.count-chart figcaption { margin-top: 13px; color: var(--muted); font-size: .875rem; }
.scope-note { color: var(--muted); font-size: .875rem; line-height: 1.6; margin: 14px 0 0; }
.time-axis { display: flex; justify-content: space-between; margin: 0 133px 12px 63px; font: .875rem var(--mono); color: var(--muted); }
.gpu-row { display: grid; grid-template-columns: 55px minmax(0,1fr) 125px; gap: 8px; align-items: center; margin: 11px 0; }
.gpu-label { font: .875rem var(--mono); color: #42536e; }
.sample-track { height: 21px; position: relative; border-radius: 4px; background: repeating-linear-gradient(135deg,#fae9dc,#fae9dc 5px,#e4b995 5px,#e4b995 7px); overflow: hidden; }
.sample-band { position: absolute; top: 0; bottom: 0; background: #27846b; }
.gpu-status { font-size: .875rem; }
.gpu-status.good { color: #217258; }
.gpu-status.missing { color: #945022; }
.chart-legend { display: flex; gap: 14px; margin: 18px 0 0 63px; color: var(--muted); font-size: .875rem; }
.chart-legend span::before { content: ""; display: inline-block; width: 10px; height: 8px; border-radius: 2px; margin-right: 5px; }
.covered-key::before { background: #27846b; }
.missing-key::before { background: repeating-linear-gradient(135deg,#fae9dc,#fae9dc 3px,#b17443 3px,#b17443 5px); }
.energy-total { display: flex; justify-content: space-between; gap: 15px; align-items: center; border-top: 1px solid var(--line); margin-top: 22px; padding-top: 17px; font-size: .875rem; color: var(--muted); }
.energy-total strong { font: 600 21px var(--mono); letter-spacing: -.04em; color: #263955; }
.report-detail { margin-top: 21px; padding-top: 16px; border-top: 1px solid var(--line); }
.report-detail p, .report-detail ul { font-size: .875rem; line-height: 1.7; color: var(--muted); }
.report-detail ul { padding-left: 16px; }
.report-detail li { margin-bottom: 6px; }
.report-detail h3 { font-size: .875rem; }
.technical { margin-top: 15px; }
.technical summary { font-size: .875rem; }
.evidence-json { padding: 13px; border-radius: 7px; background: #f4f6fa; font: .875rem/1.7 var(--mono); max-height: 240px; overflow: auto; white-space: pre-wrap; overflow-wrap: anywhere; }
.sources { display: flex; flex-wrap: wrap; gap: 14px; color: #3657a6; font-size: .875rem; margin: 16px 0; }
.about { margin: 23px 0; }
.about summary { font-size: .875rem; color: var(--muted); }
.about-content { max-width: 650px; font-size: 1rem; line-height: 1.7; color: var(--muted); }
.about-content a { font-size: .875rem; }
.footer { display: flex; justify-content: space-between; gap: 14px; padding: 18px 0 25px; border-top: 1px solid var(--line); color: var(--muted); font-size: .875rem; }
.sr-only, .skip:not(:focus) { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip:focus { position: fixed; top: 10px; left: 10px; z-index: 10; background: white; padding: 14px; }
@media (max-width: 850px) {
  .wrap { width: calc(100% - 36px); }
  .workspace { grid-template-columns: minmax(275px,.85fr) minmax(0,1.3fr); gap: 14px; }
  .tool-body, .results { padding: 19px; }
  .result-heading { flex-wrap: wrap; gap: 10px; }
  .result-heading button { margin-left: auto; }
  .case-card { gap: 10px; padding-left: 8px; font-size: 1rem; }
  .case-card svg { width: 51px; }
  .gpu-row { grid-template-columns: 55px minmax(0,1fr) 95px; gap: 5px; }
  .time-axis { margin-left: 60px; margin-right: 100px; }
  .gpu-status { font-size: .875rem; }
  .chart-legend { margin-left: 60px; gap: 10px; }
  .energy-total { flex-wrap: wrap; }
}
@media (max-width: 740px) {
  .wrap { width: calc(100% - 28px); }
  .heading { padding: 25px 0 22px; }
  .subtitle { font-size: 1rem; }
  .topbar nav { gap: 13px; font-size: .875rem; }
  .tool-tabs { gap: 9px; margin-bottom: 15px; }
  .tool-tabs button { padding: 13px 10px; gap: 9px; font-size: 1rem; }
  .tool-tabs svg { width: 25px; height: 25px; }
  .tool-tabs small { font-size: .875rem; line-height: 1.5; }
  .workspace { grid-template-columns: 1fr; }
  .panel-label { margin-bottom: 15px; }
  .case-picker { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .case-card { flex-direction: column; gap: 5px; text-align: center; min-height: 80px; }
  .case-card svg { width: 62px; }
  .case-provenance { margin-bottom: 15px; }
  .privacy { margin-top: 15px; }
  .results { min-height: 0; }
  .result-heading { flex-wrap: nowrap; }
  .count-label strong, .energy-total strong { font-size: 24px; }
}
.eyebrow { margin: 0 0 10px; color: var(--blue); font-size: .875rem; font-weight: 600; }
.intro { max-width: 720px; margin: 12px 0 0; color: var(--muted); font-size: 1rem; line-height: 1.6; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.hero-actions button { min-height: 48px; padding: 12px 20px; }
.hero-actions .primary { width: auto; }
.input-help { margin: 18px 0 12px; font-size: .875rem; line-height: 1.6; color: var(--muted); }
.input-help code { overflow-wrap: anywhere; }
.demo-note { padding: 12px 14px; background: #f3f5fa; border-radius: 8px; font-size: .875rem; color: var(--muted); margin: 0 0 22px; }
.result-next { padding: 15px 17px; margin: 18px 0 0; border-left: 3px solid #7d8ed5; background: #f5f6fc; font-size: 1rem; line-height: 1.6; }
.example-comparison { margin-top: 18px; padding: 16px; border: 1px solid #d5dcef; border-radius: 9px; background: #fafbff; }
.example-comparison p { margin: 0 0 12px; font-size: .875rem; color: var(--muted); }
.example-comparison button { min-height: 44px; border-color: #8998db; color: #3346a3; }
.result-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.result-actions button { min-height: 44px; font-size: .875rem; }
#save-summary { background: var(--blue); border-color: var(--blue); color: white; }
#share-link { width: 100%; padding: 12px; border: 1px solid var(--line); border-radius: 7px; margin-top: 8px; font-size: .875rem; }
.result-heading button, .text-button { min-height: 40px; }
.case-card span { line-height: 1.45; }
.gpu-status { line-height: 1.4; }
.tool-tabs small { line-height: 1.5; }
.parameters label { flex-basis: 130px; }
.chart-legend { flex-wrap: wrap; }
@media (max-width: 740px) {
  .hero-actions button { flex: 1 1 180px; }
  .topbar { flex-wrap: wrap; gap: 12px; }
  .topbar nav { flex-wrap: wrap; gap: 18px; }
  .tool-tabs button { align-items: flex-start; }
  .result-heading { flex-wrap: wrap; }
  .result-heading button { margin-left: 0; }
  .case-card { padding: 13px 9px; min-height: 108px; }
  .result-visual { padding-top: 22px; }
}