:root[data-theme=dark]{--ir-bg: #0f1115;--ir-hero: color-mix(in srgb, #4f46e5 7%, #0f1115);--ir-card: #151923;--ir-surface: #141820;--ir-border: #ffffff1a;--ir-muted: #9ca3af}:root[data-theme=light]{--ir-bg: #f6f7f9;--ir-hero: #eef2ff;--ir-card: #ffffff;--ir-surface: #ffffff;--ir-border: #00000016;--ir-muted: #374151}.ir{background:var(--ir-bg)}.ir-hero{background:var(--ir-hero);border-bottom:1px solid var(--ir-border)}.ir-hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;padding:clamp(28px,4vw,56px) 0}.ir-title{margin:0 0 .2em;font-weight:800;font-size:clamp(28px,5vw,44px);letter-spacing:.2px}.ir-lead{margin:0;opacity:.9;font-size:clamp(16px,1.9vw,18px)}.ir-card{position:sticky;top:86px;background:var(--ir-card);border:1px solid var(--ir-border);border-radius:16px;padding:16px 18px;box-shadow:0 18px 40px #0000001a}.ir-card-h{font-weight:800;margin-bottom:8px}.ir-card-list{margin:0 0 6px;padding-left:18px;opacity:.9}.ir-card-link{text-decoration:underline}.ir-tabs{display:flex;gap:8px;margin:18px 0 10px}.ir-tab{border:1px solid var(--ir-border);background:var(--ir-surface);border-radius:999px;padding:8px 12px;font-weight:700}.ir-tab.is-active{outline:2px solid color-mix(in srgb,#4f46e5 55%,#fff)}.ir-pane{padding:6px 0 12px}.ir-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.ir-col{background:var(--ir-surface);border:1px solid var(--ir-border);border-radius:16px;padding:16px 18px;box-shadow:0 18px 40px #00000014}.ir-h2{margin:0 0 6px;font-weight:800}.ir-sub{font-weight:800;margin-bottom:8px}.ir-muted{margin:0 0 10px;color:var(--ir-muted)}.ir-chiprow{display:flex;flex-wrap:wrap;gap:8px}.ir-chip{display:inline-flex;align-items:center;height:32px;padding:0 12px;border-radius:999px;border:1px solid var(--ir-border);background:linear-gradient(135deg,#ffffff14,#00000006);font-weight:700}.ir-chip.is-active{outline:2px solid color-mix(in srgb,#10b981 55%,#fff)}.ir-result{margin-top:10px;border-top:1px dashed var(--ir-border);padding-top:10px}.ir-ba{position:relative;border:1px solid var(--ir-border);border-radius:14px;overflow:hidden;background:#e5e7eb}.ir-ba:before{content:"";display:block;padding-top:56.25%}.ir-ba-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.ir-ba-before{clip-path:inset(0 calc(100% - var(--pct, 50%)) 0 0);transition:clip-path .25s ease}.ir-ba-handle{position:absolute;top:0;bottom:0;width:0;transform:translate(-50%);cursor:col-resize;outline:none}.ir-ba-line{position:absolute;top:0;bottom:0;left:50%;width:2px;background:#fff;box-shadow:0 0 0 1px #00000026}.ir-ba-knob{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:34px;height:34px;border-radius:999px;border:1px solid var(--ir-border);background:var(--ir-card);box-shadow:0 8px 24px #00000040}.ir-ba-range{position:absolute;inset:0;opacity:0}.ir-ba-tags{position:absolute;inset:auto 0 8px;display:flex;justify-content:space-between;padding:0 10px;pointer-events:none}.ir-tag{font-weight:800;font-size:.85rem;color:#fff;padding:4px 8px;border-radius:999px;background:color-mix(in srgb,#00000055,#ffffff11)}.ir-why{border-top:1px dashed var(--ir-border);padding-top:18px}.ir-why-h{font-weight:800;margin-bottom:6px}.ir-why-list{margin:0;padding-left:18px;color:var(--ir-muted)}.visually-hidden{position:absolute!important;height:1px;width:1px;overflow:hidden;clip:rect(1px,1px,1px,1px);white-space:nowrap}@media(max-width:960px){.ir-hero-grid,.ir-grid{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){.ir-ba-before{transition:none}}