.calculator-wrapper{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(340px,420px);gap:24px;background:linear-gradient(180deg,hsl(var(--bg-surface)),hsl(var(--bg-card)));border:1px solid hsl(var(--border-subtle));border-radius:22px;padding:24px;box-shadow:0 25px 50px -12px #000000b3,inset 0 1px #ffffff1f;width:100%;max-width:1080px;margin:0 auto;position:relative}.calc-unit{min-width:0;display:flex;flex-direction:column}.calc-top-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;min-height:34px}.memory-indicator{display:inline-flex;align-items:center;gap:6px;font-size:.8rem;font-weight:600;color:hsl(var(--text-secondary));white-space:nowrap;flex-shrink:0}.memory-indicator.active{color:hsl(var(--text-lcd-live))}.indicator-pill{width:6px;height:10px;border-radius:2px;background:hsl(var(--border-subtle))}.memory-indicator.active .indicator-pill{background:var(--badge-exam);box-shadow:0 0 8px #10b98199}.calc-controls{display:flex;align-items:center;gap:6px}.calc-util-btn{background:hsl(var(--bg-card));border:1px solid hsl(var(--border-subtle));color:hsl(var(--text-primary));padding:5px 9px;border-radius:8px;font-size:.85rem;cursor:pointer;transition:transform .15s ease,opacity .15s ease,background-color .15s ease,border-color .15s ease,color .15s ease,box-shadow .15s ease}.calc-util-btn:hover{background:hsl(var(--bg-elevated));border-color:hsl(var(--text-lcd-live));color:hsl(var(--text-primary))}.mobile-hist-trigger{display:none;font-weight:600}.lcd-screen{background:hsl(var(--bg-lcd));border:1px solid hsl(var(--border-focus) / .35);border-radius:14px;padding:12px 18px;height:96px;display:flex;flex-direction:column;justify-content:space-between;text-align:right;margin-bottom:14px;box-shadow:inset 0 3px 10px #000000d9,inset 0 1px 2px #000000f2,0 1px #ffffff14;position:relative;overflow:hidden}.lcd-screen:before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,hsl(var(--border-focus) / .6),transparent)}.lcd-expr{font-size:.95rem;color:hsl(var(--text-secondary));min-height:1.2rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-family:var(--font-mono)}.lcd-main-val{font-size:clamp(2rem,5vw,2.75rem);font-weight:700;color:hsl(var(--text-primary));line-height:1.1;white-space:nowrap;overflow-x:auto;overflow-y:hidden;scrollbar-width:none;-ms-overflow-style:none;font-family:var(--font-mono);text-shadow:0 0 16px hsl(var(--border-focus) / .45)}.lcd-main-val::-webkit-scrollbar{display:none;width:0;height:0}.memory-key-row{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:10px}.mem-key{min-height:36px!important;padding:6px 0!important;font-size:.85rem!important;font-weight:700!important;color:hsl(var(--text-primary))!important;background:hsl(var(--bg-card))!important;border:1px solid hsl(var(--border-subtle))!important;letter-spacing:.02em}.mem-key:hover{background:hsl(var(--bg-elevated))!important;border-color:hsl(var(--border-focus) / .5)!important}.master-keypad{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.span-2{grid-column:span 2}.history-sidebar{border-left:1px solid hsl(var(--border-subtle));padding-left:20px;display:flex;flex-direction:column;min-height:420px;min-width:0}.history-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;padding-bottom:10px;border-bottom:1px solid hsl(var(--border-subtle));gap:8px}.history-title-group{display:flex;align-items:center;gap:8px;min-width:0;flex-shrink:0}.history-icon-badge{border-radius:8px;flex-shrink:0}.history-heading{font-size:.95rem;font-weight:700;color:hsl(var(--text-primary));white-space:nowrap}.history-actions-header{display:flex;align-items:center;gap:6px;flex-shrink:0}.history-tool-btn{background:hsl(var(--bg-card));border:1px solid hsl(var(--border-subtle));color:hsl(var(--text-secondary));font-size:.75rem;font-weight:600;cursor:pointer;padding:5px 9px;border-radius:6px;white-space:nowrap;display:inline-flex;align-items:center;gap:4px;flex-shrink:0;transition:transform .15s ease,opacity .15s ease,background-color .15s ease,border-color .15s ease,color .15s ease,box-shadow .15s ease}.history-tool-btn:hover{color:hsl(var(--text-primary));background:hsl(var(--bg-elevated));border-color:hsl(var(--border-focus) / .4)}.history-tool-btn.danger:hover{color:var(--badge-discount);border-color:var(--badge-discount)}.close-mobile-hist{display:none;background:none;border:none;color:hsl(var(--text-secondary));font-size:1.1rem;cursor:pointer;padding:4px;line-height:1}.history-scroll-box{flex:1;overflow-y:auto;max-height:380px;display:flex;flex-direction:column;gap:8px;padding-right:4px}.history-scroll-box::-webkit-scrollbar{width:5px}.history-scroll-box::-webkit-scrollbar-thumb{background:hsl(var(--border-subtle));border-radius:4px}.history-empty{text-align:center;padding:30px 10px;color:hsl(var(--text-secondary));font-size:.88rem}.history-empty-illustration{margin:0 auto 12px;display:block;max-width:100%;height:auto}.empty-icon{font-size:2rem;display:block;margin-bottom:8px;opacity:.75}.history-card{background:hsl(var(--bg-card));border:1px solid hsl(var(--border-subtle));border-radius:8px;padding:10px;display:flex;flex-direction:column;gap:4px;transition:border-color .15s ease}.history-card:hover{border-color:hsl(var(--text-lcd-live))}.history-header-line{display:flex;justify-content:space-between;align-items:center}.hist-time{font-size:.7rem;color:hsl(var(--text-muted))}.hist-pill-group{display:flex;gap:4px}.hist-pill-btn{background:hsl(var(--bg-surface));border:1px solid hsl(var(--border-subtle));border-radius:9999px;padding:2px 8px;font-size:.68rem;font-weight:600;color:hsl(var(--text-lcd-live));cursor:pointer;transition:transform .1s ease,opacity .1s ease,background-color .1s ease,border-color .1s ease,color .1s ease,box-shadow .1s ease}.hist-pill-btn:hover{background:hsl(var(--text-lcd-live));color:#000}.hist-formula{font-size:.8rem;color:hsl(var(--text-secondary))}.hist-result{font-size:1.15rem;font-weight:700;color:hsl(var(--text-primary));text-align:right}@media(max-width:1024px){.calculator-wrapper{grid-template-columns:1fr;padding:18px;max-width:480px;margin:10px auto 24px}.mobile-hist-trigger{display:inline-flex}.history-sidebar{display:none;position:fixed;bottom:0;left:0;right:0;background:hsl(var(--bg-surface));border-left:none;border-top:2px solid hsl(var(--border-focus));border-radius:20px 20px 0 0;padding:18px;z-index:1000;box-shadow:0 -10px 40px #000000b3;max-height:70vh}.history-sidebar.open{display:flex}.close-mobile-hist{display:block}.master-keypad button.calc-key{padding:12px 0;min-height:48px}}@media(max-width:640px){.calculator-wrapper{max-width:100%;padding:12px;border-radius:16px;margin:4px auto 14px}.lcd-screen{height:82px;padding:8px 14px;margin-bottom:10px;border-radius:10px}.lcd-expr{font-size:.85rem;min-height:1.1rem}.lcd-main-val{font-size:2.15rem}.memory-key-row{gap:6px;margin-bottom:8px}.mem-key{min-height:32px!important;font-size:.78rem!important;border-radius:8px!important}.master-keypad{gap:6px}.master-keypad button.calc-key{padding:8px 0;min-height:46px;font-size:1.25rem;border-radius:10px}.history-tool-btn span{display:none}.history-tool-btn{padding:6px 8px}.history-top{gap:6px}.history-icon-badge{display:none}}.telemetry-section[data-astro-cid-7vctzd26]{padding:clamp(2.5rem,5vw,4rem) 16px;position:relative;z-index:1}.telemetry-container[data-astro-cid-7vctzd26]{max-width:1040px;margin:0 auto}.telemetry-meta[data-astro-cid-7vctzd26]{text-align:center;margin-bottom:2.2rem}.telemetry-pill-badge[data-astro-cid-7vctzd26]{display:inline-flex;align-items:center;gap:8px;padding:4px 14px;background:hsl(var(--bg-surface));border:1px solid hsl(var(--border-subtle));border-radius:9999px;margin-bottom:12px;box-shadow:0 2px 8px #0003;white-space:nowrap}.pill-badge-icon[data-astro-cid-7vctzd26]{font-size:.8rem;color:hsl(var(--text-lcd-live))}.pill-badge-text[data-astro-cid-7vctzd26]{font-size:.72rem;font-weight:700;letter-spacing:.08em;color:hsl(var(--text-secondary))}.telemetry-heading[data-astro-cid-7vctzd26]{font-size:clamp(1.3rem,2.8vw,1.85rem);font-weight:800;letter-spacing:-.02em;color:hsl(var(--text-primary))}.metrics-grid[data-astro-cid-7vctzd26]{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}@media(max-width:900px){.metrics-grid[data-astro-cid-7vctzd26]{grid-template-columns:repeat(2,1fr)}}@media(max-width:520px){.metrics-grid[data-astro-cid-7vctzd26]{grid-template-columns:1fr}}.metric-card[data-astro-cid-7vctzd26]{background:hsl(var(--bg-surface));border:1px solid hsl(var(--border-subtle));border-radius:14px;padding:20px 18px;position:relative;overflow:hidden;box-shadow:var(--shadow-card);transition:transform .15s var(--ease-spring),border-color .15s ease}.metric-card[data-astro-cid-7vctzd26]:hover{transform:translateY(-2px);border-color:hsl(var(--text-lcd-live))}.card-accent-bar[data-astro-cid-7vctzd26]{position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--btn-op-bg),var(--btn-equals-bg))}.metric-value[data-astro-cid-7vctzd26]{font-size:clamp(1.6rem,3vw,2.1rem);font-weight:800;color:hsl(var(--text-primary));line-height:1.1;margin-bottom:6px;letter-spacing:-.02em}.metric-label[data-astro-cid-7vctzd26]{font-size:.88rem;font-weight:700;color:hsl(var(--text-lcd-live));margin-bottom:6px}.metric-detail[data-astro-cid-7vctzd26]{font-size:.78rem;color:hsl(var(--text-secondary));line-height:1.4}.telemetry-citation[data-astro-cid-7vctzd26]{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:24px;color:hsl(var(--text-muted));font-size:.75rem}.bento-section[data-astro-cid-kxcjdby4]{padding:clamp(3rem,6vw,5rem) 16px;position:relative;z-index:1}.bento-container[data-astro-cid-kxcjdby4]{max-width:1040px;margin:0 auto}.section-header[data-astro-cid-kxcjdby4]{text-align:center;max-width:680px;margin:0 auto 3rem}.badge-pill[data-astro-cid-kxcjdby4]{display:inline-block;padding:3px 12px;background:#f59e0b1f;border:1px solid rgba(245,158,11,.3);color:var(--btn-op-bg);border-radius:9999px;font-size:.72rem;font-weight:700;letter-spacing:.08em;margin-bottom:12px}.section-title[data-astro-cid-kxcjdby4]{font-size:clamp(1.4rem,3.2vw,2.1rem);font-weight:800;letter-spacing:-.02em;color:hsl(var(--text-primary));margin-bottom:12px;line-height:1.25}.section-subtitle[data-astro-cid-kxcjdby4]{font-size:clamp(.88rem,1.8vw,1rem);color:hsl(var(--text-secondary));line-height:1.5}.bento-grid[data-astro-cid-kxcjdby4]{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}@media(max-width:880px){.bento-grid[data-astro-cid-kxcjdby4]{grid-template-columns:1fr}}.col-span-2[data-astro-cid-kxcjdby4]{grid-column:span 2}@media(max-width:880px){.col-span-2[data-astro-cid-kxcjdby4]{grid-column:span 1}}.bento-card[data-astro-cid-kxcjdby4]{background:hsl(var(--bg-surface));border:1px solid hsl(var(--border-subtle));border-radius:16px;padding:24px;display:flex;flex-direction:column;position:relative;overflow:hidden;box-shadow:var(--shadow-card);transition:transform .15s var(--ease-spring),border-color .15s ease}.bento-card[data-astro-cid-kxcjdby4]:hover{transform:translateY(-2px);border-color:hsl(var(--text-lcd-live))}.highlight-card[data-astro-cid-kxcjdby4]{background:linear-gradient(135deg,hsl(var(--bg-surface)),hsl(var(--bg-card)));border-color:#38bdf840}.card-glow[data-astro-cid-kxcjdby4]{position:absolute;top:-50px;right:-50px;width:140px;height:140px;background:radial-gradient(circle,rgba(56,189,248,.15) 0%,transparent 70%);pointer-events:none}.card-header[data-astro-cid-kxcjdby4]{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.card-icon[data-astro-cid-kxcjdby4]{font-size:1.6rem}.card-tag[data-astro-cid-kxcjdby4]{font-size:.72rem;font-weight:700;color:hsl(var(--text-muted));background:hsl(var(--bg-canvas));border:1px solid hsl(var(--border-subtle));padding:2px 8px;border-radius:6px}.bento-title[data-astro-cid-kxcjdby4]{font-size:1.15rem;font-weight:700;color:hsl(var(--text-primary));margin-bottom:8px;line-height:1.35}.bento-desc[data-astro-cid-kxcjdby4]{font-size:.88rem;color:hsl(var(--text-secondary));line-height:1.55;flex:1}.visual-proof[data-astro-cid-kxcjdby4]{margin-top:16px;padding-top:14px;border-top:1px solid hsl(var(--border-subtle))}.tape-preview[data-astro-cid-kxcjdby4]{display:flex;flex-direction:column;gap:6px;background:hsl(var(--bg-canvas));padding:10px;border-radius:8px;font-size:.78rem}.tape-item[data-astro-cid-kxcjdby4]{display:flex;align-items:center;justify-content:space-between;color:hsl(var(--text-secondary))}.tape-res[data-astro-cid-kxcjdby4]{font-weight:700;color:hsl(var(--text-primary))}.tape-badge[data-astro-cid-kxcjdby4]{background:#10b98126;color:var(--badge-exam);border:1px solid rgba(16,185,129,.3);padding:1px 6px;border-radius:4px;font-size:.68rem;font-weight:600}.keycap-preview[data-astro-cid-kxcjdby4]{display:flex;gap:6px;margin-top:14px;flex-wrap:wrap}.demo-key[data-astro-cid-kxcjdby4]{background:var(--btn-num-bg);border:1px solid hsl(var(--border-subtle));box-shadow:0 2px #0006;padding:4px 8px;border-radius:6px;font-size:.75rem;font-weight:700;color:hsl(var(--text-primary));font-family:monospace}.stat-badge-row[data-astro-cid-kxcjdby4]{display:flex;gap:8px;margin-top:14px}.stat-pill[data-astro-cid-kxcjdby4]{padding:4px 10px;border-radius:6px;font-size:.78rem;font-weight:700;font-family:monospace}.stat-pill[data-astro-cid-kxcjdby4].good{background:#10b9811f;color:var(--badge-exam);border:1px solid rgba(16,185,129,.3)}.shareable-artifact-container{display:inline-block;font-family:var(--font-sans, system-ui, sans-serif)}.export-artifact-btn{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 1rem;font-size:.8125rem;font-weight:600;color:hsl(var(--text-primary));background:hsl(var(--bg-surface));border:1px solid hsl(var(--border-subtle));border-radius:.5rem;cursor:pointer;backdrop-filter:blur(12px);transition:transform .15s ease,background .15s ease,border-color .15s ease}.export-artifact-btn:hover{background:hsl(var(--bg-elevated));border-color:hsl(var(--text-lcd-live));transform:translateY(-1px)}.artifact-modal-backdrop{position:fixed;inset:0;z-index:9999;background:#000000bf;backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;padding:1rem;animation:modalFadeIn .2s cubic-bezier(.16,1,.3,1)}@keyframes modalFadeIn{0%{opacity:0;transform:scale(.98)}to{opacity:1;transform:scale(1)}}.artifact-modal-dialog{width:100%;max-width:840px;background:hsl(var(--bg-card));border:1px solid hsl(var(--border-subtle));border-radius:1rem;overflow:hidden;box-shadow:0 25px 50px -12px #0009}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:1.25rem 1.5rem;border-bottom:1px solid hsl(var(--border-subtle))}.modal-eyebrow{display:block;font-size:.6875rem;font-weight:700;letter-spacing:.08em;color:hsl(var(--text-lcd-live));margin-bottom:.25rem}.modal-title{margin:0;font-size:1.125rem;font-weight:700;color:hsl(var(--text-primary))}.modal-close-btn{display:flex;align-items:center;justify-content:center;width:2rem;height:2rem;padding:0;background:transparent;border:1px solid hsl(var(--border-subtle));border-radius:.375rem;color:hsl(var(--text-secondary));cursor:pointer;transition:all .15s}.modal-close-btn:hover{background:hsl(var(--bg-surface));color:hsl(var(--text-primary))}.modal-canvas-preview-wrap{padding:1.5rem;background:hsl(var(--bg-surface));display:flex;justify-content:center}.artifact-preview-canvas{max-width:100%;width:100%;height:auto;aspect-ratio:16 / 9;border-radius:.5rem;border:1px solid hsl(var(--border-subtle));box-shadow:0 8px 24px -4px #0006}.modal-actions-toolbar{display:flex;align-items:center;gap:.75rem;padding:1rem 1.5rem;background:hsl(var(--bg-card));border-top:1px solid hsl(var(--border-subtle))}.btn-action{display:inline-flex;align-items:center;gap:.5rem;padding:.625rem 1rem;font-size:.8125rem;font-weight:600;border-radius:.5rem;cursor:pointer;transition:all .15s}.btn-download{background:hsl(var(--text-lcd-live));color:#0b1120;border:none;font-weight:700;box-shadow:0 2px 8px #38bdf84d}.btn-download:hover{filter:brightness(1.1)}.btn-copy-link,.btn-webshare{background:hsl(var(--bg-surface));color:hsl(var(--text-primary));border:1px solid hsl(var(--border-subtle))}.btn-copy-link:hover,.btn-webshare:hover{background:hsl(var(--bg-elevated))}.hero-calc-header{margin-top:8px;margin-bottom:12px;padding:0 16px}.hero-split-grid{display:grid;grid-template-columns:1fr 320px;gap:24px;align-items:center;max-width:1080px;margin:0 auto}.hero-content-col{display:flex;flex-direction:column;align-items:flex-start;text-align:left}.hero-content-col .main-title{font-size:clamp(2rem,3.2vw,2.85rem);line-height:1.12;font-weight:800;color:hsl(var(--text-primary));letter-spacing:-.025em;margin-bottom:6px;text-align:left}.hero-content-col .main-subtitle{font-size:clamp(.85rem,1.5vw,.95rem);color:hsl(var(--text-secondary));line-height:1.4;margin:0 0 8px;text-align:left;max-width:100%}.hero-visual-col{max-width:320px;max-height:180px;width:100%;overflow:hidden;border-radius:var(--radius-lg, 12px);border:1px solid hsla(var(--border-subtle) / .8);box-shadow:var(--shadow-sm, 0 2px 8px rgba(0, 0, 0, .15));display:flex;align-items:center;justify-content:center}.hero-visual-col figure,.hero-visual-col .ai-image-figure{margin:0;padding:0;width:100%;height:100%;max-height:180px;overflow:hidden;position:relative}.hero-visual-col img{max-height:180px;max-width:320px;width:100%;height:180px;object-fit:cover;display:block}.hero-visual-col .ai-caption{display:none}.tactile-tool-stage{width:100%;max-width:1080px;margin:8px auto 24px;padding:0 16px}.blueprint-feature-wrapper{max-width:960px;margin:0 auto 36px;padding:0 16px}@media(max-width:768px){.hero-calc-header{margin-top:4px;margin-bottom:6px;padding:0 12px}.hero-split-grid{display:flex;flex-direction:column;gap:6px;align-items:center}.hero-content-col{align-items:center;text-align:center}.hero-content-col .main-title{font-size:clamp(1.25rem,5vw,1.55rem);line-height:1.15;margin-bottom:4px;text-align:center}.hero-content-col .main-subtitle{font-size:.8rem;line-height:1.35;margin:0 auto 6px;text-align:center;max-width:400px}.hero-visual-col{order:3;max-width:260px;max-height:146px;margin:8px auto 0;border-radius:8px}.hero-visual-col img{max-height:146px;height:146px}.tactile-tool-stage{margin:4px auto 16px;padding:0 8px}}.hero-metrology-blueprint{background:hsl(var(--bg-card));border:1px solid hsl(var(--border-subtle));border-radius:16px;padding:20px;display:flex;flex-direction:column;gap:14px;box-shadow:var(--shadow-card)}.blueprint-header{display:flex;justify-content:space-between;align-items:center}.blueprint-tag{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:hsl(var(--text-lcd-live))}.blueprint-status{font-size:.72rem;color:hsl(var(--text-muted));display:flex;align-items:center;gap:6px}.blueprint-pulse{width:6px;height:6px;border-radius:50%;background:#10b981;box-shadow:0 0 8px #10b981}.blueprint-svg{width:100%;height:auto;min-height:180px;border-radius:10px;background:hsl(var(--bg-surface));border:1px solid hsl(var(--border-subtle))}.blueprint-specs-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.blueprint-spec-item{background:hsl(var(--bg-surface));border:1px solid hsl(var(--border-subtle));border-radius:8px;padding:8px 12px;display:flex;flex-direction:column;gap:2px}.spec-label{font-size:.7rem;color:hsl(var(--text-muted))}.spec-val{font-size:.82rem;font-weight:700;color:hsl(var(--text-primary))}.surface-band-alt{background:hsl(var(--bg-surface-1, var(--bg-card)));border-top:1px solid hsl(var(--border-subtle));border-bottom:1px solid hsl(var(--border-subtle));padding:36px 0;margin:32px 0}.subpillars-matrix{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;max-width:1120px;margin:28px auto;padding:0 16px}@media(max-width:640px){.subpillars-matrix{grid-template-columns:1fr}}.pillar-card,.pillar-link{background:hsl(var(--bg-surface));border:1px solid hsl(var(--border-subtle));border-radius:14px;padding:16px;display:flex;align-items:center;gap:14px;text-decoration:none;color:hsl(var(--text-primary));box-shadow:var(--shadow-card);transition:transform .15s var(--ease-spring),border-color .15s ease}.pillar-card:hover,.pillar-link:hover{transform:translateY(-2px);border-color:hsl(var(--text-lcd-live))}.pillar-icon{font-size:1.8rem;flex-shrink:0}.pillar-info{flex:1;display:flex;flex-direction:column;gap:2px}.pillar-title{font-size:.95rem;font-weight:700;color:hsl(var(--text-primary))}.pillar-desc{font-size:.78rem;color:hsl(var(--text-secondary));line-height:1.35}.pillar-arrow{color:hsl(var(--text-lcd-live));font-weight:700;font-size:1.1rem;transition:transform .15s ease}.pillar-card:hover .pillar-arrow,.pillar-link:hover .pillar-arrow{transform:translate(3px)}