.ra-curves{display:grid;grid-template-columns:1fr 1fr;gap:0.85rem;align-items:stretch}@media (max-width:900px){.ra-curves{grid-template-columns:1fr}}.ra-canvas-wrap{position:relative;background:var(--ms-panel-bg);border:1px solid var(--ms-line);border-radius:var(--ms-radius);padding:1rem;box-shadow:var(--ms-shadow-sm)}.ra-canvas-area{position:relative;width:100%;height:320px}.ra-canvas-area canvas{display:block;width:100%!important;height:100%!important}.ra-canvas-label{font:500 0.72rem var(--ms-font-mono);color:var(--ms-muted);text-transform:uppercase;letter-spacing:0.08em;margin-bottom:0.45rem;display:flex;justify-content:space-between}.ra-canvas-label .ra-canvas-readout{font:500 0.74rem var(--ms-font-mono);color:var(--ms-ink);text-transform:none;letter-spacing:0}.ra-canvas-footer{font:italic 0.78rem var(--ms-font-sans);color:var(--ms-muted);margin-top:0.5rem}.ra-data{display:grid;grid-template-columns:2fr 1fr;gap:0.85rem;align-items:stretch}@media (max-width:900px){.ra-data{grid-template-columns:1fr}}.ra-data .ra-canvas-wrap .ra-canvas-area{height:280px}.ra-legend{display:flex;gap:0.85rem;flex-wrap:wrap;font:500 0.78rem var(--ms-font-sans);color:var(--ms-ink-soft);margin-top:0.5rem}.ra-legend-dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:0.3rem;vertical-align:middle}.ra-legend-dot.ra-c0{background:#ef4444}.ra-legend-dot.ra-c1{background:#22c55e}.ra-legend-dot.ra-op{background:#ec4899;border:2px solid #fff;box-shadow:0 0 0 1px #ec4899}.ra-class-indicator{display:inline-flex;align-items:center;gap:0.45rem;padding:0.4rem 0.85rem;background:var(--ms-panel-bg);border:1px solid var(--ms-line);border-radius:var(--ms-radius-pill);font:500 0.82rem var(--ms-font-sans);color:var(--ms-ink);cursor:pointer;user-select:none;transition:border-color var(--ms-transition)}.ra-class-indicator:hover{border-color:var(--ms-accent)}.ra-class-indicator-dot{width:12px;height:12px;border-radius:50%;transition:background var(--ms-transition)}.ra-class-indicator[data-class="0"] .ra-class-indicator-dot{background:#ef4444}.ra-class-indicator[data-class="1"] .ra-class-indicator-dot{background:#22c55e}.ra-class-indicator-hint{font:500 0.72rem var(--ms-font-mono);color:var(--ms-muted);margin-left:0.3rem}#raChartXY{cursor:crosshair}.ra-control-group{margin-bottom:0.85rem}.ra-control-group:last-child{margin-bottom:0}.ra-control-group-head{display:flex;align-items:baseline;gap:0.45rem;margin-bottom:0.4rem;font:500 0.7rem var(--ms-font-mono);text-transform:uppercase;letter-spacing:0.1em}.ra-control-group-head .ra-cgh-label{color:var(--ms-accent)}.ra-control-group-head .ra-cgh-desc{text-transform:none;letter-spacing:0;font:italic 0.76rem var(--ms-font-sans);color:var(--ms-muted)}.ra-control-group-body{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:0.7rem}.ra-control-sublabel{font:0.7rem var(--ms-font-sans);color:var(--ms-muted);font-style:italic;margin-top:-0.15rem}.ra-auc-band{display:inline-flex;align-items:center;gap:0.4rem;margin-top:0.45rem;padding:0.25rem 0.65rem;border-radius:var(--ms-radius-pill);font:500 0.75rem var(--ms-font-sans);background:var(--ms-panel-bg-soft);border:1px solid var(--ms-line);transition:background var(--ms-transition),color var(--ms-transition),border-color var(--ms-transition)}.ra-auc-band-dot{width:8px;height:8px;border-radius:50%}.ra-auc-band.is-excellent{background:rgba(21,128,61,0.08);color:#15803d;border-color:rgba(21,128,61,0.3)}.ra-auc-band.is-excellent .ra-auc-band-dot{background:#15803d}.ra-auc-band.is-good{background:rgba(34,197,94,0.10);color:#16a34a;border-color:rgba(34,197,94,0.35)}.ra-auc-band.is-good .ra-auc-band-dot{background:#16a34a}.ra-auc-band.is-fair{background:rgba(245,158,11,0.10);color:#b45309;border-color:rgba(245,158,11,0.35)}.ra-auc-band.is-fair .ra-auc-band-dot{background:#f59e0b}.ra-auc-band.is-weak{background:rgba(239,68,68,0.10);color:#b91c1c;border-color:rgba(239,68,68,0.35)}.ra-auc-band.is-weak .ra-auc-band-dot{background:#ef4444}.ra-auc-band.is-random{background:rgba(120,113,108,0.10);color:var(--ms-muted);border-color:var(--ms-line)}.ra-auc-band.is-random .ra-auc-band-dot{background:#78716c}.ra-auc-band.is-anti{background:rgba(127,29,29,0.10);color:#7f1d1d;border-color:rgba(127,29,29,0.35)}.ra-auc-band.is-anti .ra-auc-band-dot{background:#7f1d1d}[data-theme="dark"] .ra-auc-band.is-excellent{color:#86efac}[data-theme="dark"] .ra-auc-band.is-good{color:#86efac}[data-theme="dark"] .ra-auc-band.is-fair{color:#fbbf24}[data-theme="dark"] .ra-auc-band.is-weak{color:#fca5a5}[data-theme="dark"] .ra-auc-band.is-anti{color:#fca5a5}.ra-summary{display:grid;grid-template-columns:1fr 1fr;gap:0.85rem;align-content:start}.ra-auc-card{padding:1rem 1.1rem;background:var(--ms-panel-bg);border:1px solid var(--ms-line);border-top:3px solid #4f46e5;border-radius:var(--ms-radius)}.ra-auc-card.is-pr{border-top-color:#22c55e}.ra-auc-card-label{font:500 0.7rem var(--ms-font-mono);color:var(--ms-muted);text-transform:uppercase;letter-spacing:0.1em}.ra-auc-card-value{font:400 2.4rem var(--ms-font-serif);color:var(--ms-ink);letter-spacing:-0.02em;margin-top:0.15rem}.ra-auc-card-note{font:italic 0.78rem var(--ms-font-sans);color:var(--ms-muted);margin-top:0.4rem}.ra-kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:0.55rem}.ra-kpi{padding:0.55rem 0.75rem;background:var(--ms-panel-bg-soft);border:1px solid var(--ms-line);border-radius:var(--ms-radius-sm)}.ra-kpi-label{font:500 0.64rem var(--ms-font-mono);color:var(--ms-muted);text-transform:uppercase;letter-spacing:0.1em}.ra-kpi-value{font:600 1.05rem var(--ms-font-mono);color:var(--ms-ink);margin-top:0.1rem}.ra-controls{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:0.85rem;padding:1rem 1.1rem;background:var(--ms-panel-bg);border:1px solid var(--ms-line);border-radius:var(--ms-radius);margin-top:0.85rem}.ra-control{display:flex;flex-direction:column;gap:0.35rem}.ra-control-label{display:flex;justify-content:space-between;align-items:baseline;font:500 0.78rem var(--ms-font-sans);color:var(--ms-ink-soft)}.ra-control-value{font:500 0.76rem var(--ms-font-mono);color:var(--ms-accent)}.ra-control input[type="range"]{width:100%;appearance:none;height:4px;background:var(--ms-accent-soft);border-radius:var(--ms-radius-pill);cursor:pointer}.ra-control input[type="range"]::-webkit-slider-thumb{appearance:none;width:16px;height:16px;background:var(--ms-accent);border-radius:50%;cursor:pointer}.ra-control input[type="range"]::-moz-range-thumb{width:16px;height:16px;background:var(--ms-accent);border-radius:50%;border:none}.ra-control select,.ra-control input[type="number"]{padding:0.45rem 0.6rem;font:500 0.85rem var(--ms-font-sans);color:var(--ms-ink);background:var(--ms-panel-bg-soft);border:1px solid var(--ms-line);border-radius:var(--ms-radius-sm);outline:none}.ra-control select:focus,.ra-control input[type="number"]:focus{border-color:var(--ms-accent);box-shadow:var(--ms-ring)}.ra-actions{display:flex;gap:0.5rem;flex-wrap:wrap;margin-top:0.85rem}.ra-btn{display:inline-flex;align-items:center;gap:0.4rem;padding:0.5rem 0.95rem;font:500 0.84rem var(--ms-font-sans);border-radius:var(--ms-radius-sm);border:1px solid var(--ms-line);background:var(--ms-panel-bg);color:var(--ms-ink);cursor:pointer;transition:transform var(--ms-transition),box-shadow var(--ms-transition)}.ra-btn:hover{transform:translateY(-1px);box-shadow:var(--ms-shadow-sm)}.ra-btn.is-primary{background:linear-gradient(135deg,var(--ms-cta-start),var(--ms-cta-end));color:#fff;border-color:transparent}.ra-preset-row{display:flex;gap:0.4rem;flex-wrap:wrap;margin-top:0.5rem}.ra-preset-label{font:500 0.72rem var(--ms-font-mono);color:var(--ms-muted);text-transform:uppercase;letter-spacing:0.08em;margin-right:0.3rem;align-self:center}.ra-preset{padding:0.3rem 0.7rem;font:500 0.78rem var(--ms-font-sans);background:var(--ms-panel-bg);border:1px solid var(--ms-line);border-radius:var(--ms-radius-pill);cursor:pointer;color:var(--ms-ink-soft)}.ra-preset:hover{border-color:var(--ms-accent);color:var(--ms-accent)}.ra-cm-label{font:500 0.72rem var(--ms-font-mono);color:var(--ms-muted);text-transform:uppercase;letter-spacing:0.08em;margin-bottom:0.5rem}.ra-cm{display:grid;grid-template-columns:auto repeat(2,1fr);grid-template-rows:auto repeat(2,1fr);gap:4px}.ra-cm-header,.ra-cm-row-label{color:var(--ms-muted);font:500 0.7rem var(--ms-font-mono);text-transform:uppercase;letter-spacing:0.08em;padding:0.35rem;text-align:center}.ra-cm-row-label{text-align:right;align-self:center}.ra-cm-cell{padding:0.7rem 0.4rem;text-align:center;background:var(--ms-panel-bg-soft);border-radius:var(--ms-radius-sm);font:600 1rem var(--ms-font-mono)}.ra-cm-cell.is-correct{background:rgba(34,197,94,0.10);color:#15803d}.ra-cm-cell.is-error{background:rgba(239,68,68,0.08);color:#b91c1c}[data-theme="dark"] .ra-cm-cell.is-correct{background:rgba(34,197,94,0.20);color:#86efac}[data-theme="dark"] .ra-cm-cell.is-error{background:rgba(239,68,68,0.18);color:#fca5a5}.ra-eval{display:flex;flex-direction:column;gap:1rem}.ra-eval-threshold{background:var(--ms-panel-bg-soft);border:1px solid var(--ms-line);border-radius:var(--ms-radius-sm);padding:0.9rem 1.1rem}.ra-eval-threshold-row{display:flex;align-items:center;gap:1rem;flex-wrap:wrap}.ra-eval-threshold-row input[type="range"]{flex:1;min-width:200px;appearance:none;height:4px;background:var(--ms-accent-soft);border-radius:var(--ms-radius-pill);cursor:pointer}.ra-eval-threshold-row input[type="range"]::-webkit-slider-thumb{appearance:none;width:18px;height:18px;background:var(--ms-accent);border-radius:50%;cursor:pointer}.ra-eval-threshold-row input[type="range"]::-moz-range-thumb{width:18px;height:18px;background:var(--ms-accent);border-radius:50%;border:none}.ra-eval-threshold-row input[type="number"]{width:80px;padding:0.4rem 0.55rem;font:600 0.9rem var(--ms-font-mono);color:var(--ms-accent);background:var(--ms-panel-bg);border:1px solid var(--ms-accent-soft);border-radius:var(--ms-radius-sm);text-align:center}.ra-eval-results{display:grid;grid-template-columns:1fr 1fr;gap:0.85rem;align-items:start}@media (max-width:720px){.ra-eval-results{grid-template-columns:1fr}}.ra-summary.is-tight .ra-auc-card{padding:0.75rem 1rem}.ra-summary.is-tight .ra-auc-card-value{font-size:2rem}details.ra-collapse{background:var(--ms-panel-bg);border:1px solid var(--ms-line);border-radius:var(--ms-radius);overflow:hidden;margin-bottom:1rem}details.ra-collapse>summary{list-style:none;cursor:pointer;padding:0.95rem 1.15rem;font:500 1rem var(--ms-font-serif);color:var(--ms-ink);display:flex;justify-content:space-between;align-items:center;user-select:none;letter-spacing:-0.01em}details.ra-collapse>summary::-webkit-details-marker{display:none}details.ra-collapse>summary::after{content:"+";font:500 1.3rem var(--ms-font-mono);color:var(--ms-muted);transition:transform var(--ms-transition)}details.ra-collapse[open]>summary::after{content:"−"}details.ra-collapse>.ra-collapse-body{padding:0 1.15rem 1.2rem;border-top:1px solid var(--ms-line)}details.ra-collapse>.ra-collapse-body>*+*{margin-top:1.2rem}details.ra-collapse>.ra-collapse-body>*:first-child{margin-top:1.2rem}.ra-math{display:grid;grid-template-columns:1fr;gap:0.75rem}.ra-math-step{padding:0.85rem 1rem;background:var(--ms-panel-bg-soft);border-left:3px solid var(--ms-accent);border-radius:var(--ms-radius-sm)}.ra-math-step h4{font:500 0.85rem var(--ms-font-sans);color:var(--ms-ink);margin:0 0 0.45rem}.ra-math-step p{font:0.86rem/1.55 var(--ms-font-sans);color:var(--ms-ink-soft);margin:0}.ra-math-step .katex-display{margin:0.5rem 0 0!important}.ra-try{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:0.75rem}.ra-try-item{padding:0.85rem 1rem;background:var(--ms-panel-bg-soft);border:1px solid var(--ms-line);border-radius:var(--ms-radius-sm)}.ra-try-item h4{font:500 0.88rem var(--ms-font-sans);color:var(--ms-ink);margin:0 0 0.3rem}.ra-try-item p{font:0.82rem/1.5 var(--ms-font-sans);color:var(--ms-muted);margin:0}.ra-try-item code{font:0.78rem var(--ms-font-mono);color:var(--ms-accent);background:var(--ms-accent-soft);padding:0.05rem 0.3rem;border-radius:3px}.ra-strip{display:flex;flex-wrap:wrap;gap:0.4rem;align-items:center;padding:0.55rem 0.85rem;margin:0.65rem 0;border-radius:var(--ms-radius-sm);background:var(--ms-panel-bg-soft);border-left:3px solid var(--ms-line)}.ra-strip-label{display:inline-flex;align-items:center;gap:0.3rem;font:500 0.7rem var(--ms-font-mono);text-transform:uppercase;letter-spacing:0.1em;color:var(--ms-muted);margin-right:0.4rem;flex-shrink:0}.ra-strip.is-watchout{background:rgba(245,158,11,0.05);border-left-color:#f59e0b}.ra-strip.is-watchout .ra-strip-label{color:#b45309}[data-theme="dark"] .ra-strip.is-watchout .ra-strip-label{color:#fbbf24}.ra-strip.is-practice{background:rgba(34,197,94,0.04);border-left-color:#15803d}.ra-strip.is-practice .ra-strip-label{color:#15803d}[data-theme="dark"] .ra-strip.is-practice .ra-strip-label{color:#86efac}.ra-tag{display:inline-flex;align-items:center;padding:0.2rem 0.6rem;background:var(--ms-panel-bg);border:1px solid var(--ms-line);border-radius:var(--ms-radius-pill);font:500 0.76rem var(--ms-font-sans);color:var(--ms-ink-soft);white-space:nowrap}.ra-strip.is-practice .ra-tag{font-family:var(--ms-font-mono);font-size:0.74rem;color:var(--ms-accent);background:var(--ms-accent-softer);border-color:var(--ms-accent-soft)}