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@layer theme{:root,:host{--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--radius-md:.375rem;--radius-lg:.5rem;--default-font-family:var(--font-geist-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color 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components;@layer utilities{.visible{visibility:visible}.block{display:block}}:root{--background:#f8f1e8;--foreground:#352638;--surface:#fffaf4;--surface-soft:#f5e8da;--surface-hover:#f1dfcf;--accent:#d56d53;--accent-deep:#a9423e;--accent-soft:#f0b295;--muted:#8f7882;--border:#ead8ca;--shadow:#53303621;--focus:#7c3f49;--radius-lg:2rem;--radius-md:1.15rem}*{box-sizing:border-box}html{background:var(--background);min-width:320px}body{background:radial-gradient(circle at 15% 10%, #f0b2953d, transparent 28rem), radial-gradient(circle at 90% 88%, #d56d5321, transparent 30rem), var(--background);min-width:320px;color:var(--foreground);-webkit-font-smoothing:antialiased;margin:0;font-family:Arial,Helvetica,sans-serif}button{font:inherit}.calculator-page{flex-direction:column;justify-content:center;align-items:center;gap:1.5rem;min-height:100vh;padding:3rem 1.25rem;display:flex}.calculator-intro{text-align:center;width:min(100%,23rem)}.eyebrow{color:var(--accent-deep);letter-spacing:.16em;text-transform:uppercase;margin:0 0 .75rem;font-size:.7rem;font-weight:800}.calculator-intro h1{letter-spacing:-.055em;margin:0;font-family:Georgia,Times New Roman,serif;font-size:clamp(2.5rem,10vw,3.75rem);font-weight:500;line-height:.95}.intro-copy{max-width:18rem;color:var(--muted);margin:1rem auto 0;font-size:.92rem;line-height:1.55}.calculator-shell{border-radius:var(--radius-lg);width:min(100%,23rem);box-shadow:0 1.5rem 4rem var(--shadow);-webkit-backdrop-filter:blur(1rem);backdrop-filter:blur(1rem);background:#fffaf4b8;border:1px solid #ead8cae6;padding:.75rem}.calculator-display{background:var(--foreground);min-height:8.75rem;color:var(--surface);text-align:right;border-radius:1.45rem;flex-direction:column;justify-content:flex-end;padding:1rem 1.25rem 1.25rem;display:flex;overflow:hidden}.calculator-expression{min-height:1.25rem;color:var(--accent-soft);letter-spacing:.04em;text-overflow:ellipsis;white-space:nowrap;font-size:.78rem;font-weight:700;overflow:hidden}.calculator-value{letter-spacing:-.06em;text-overflow:ellipsis;white-space:nowrap;margin-top:.5rem;font-size:clamp(2.3rem,11vw,3.5rem);font-weight:500;line-height:1;display:block;overflow:hidden}.calculator-keypad{grid-template-columns:repeat(4,minmax(0,1fr));gap:.6rem;padding:.75rem 0 0;display:grid}.calculator-button{border-radius:var(--radius-md);cursor:pointer;-webkit-tap-highlight-color:transparent;border:0;min-height:3.5rem;font-size:1.2rem;font-weight:700;transition:transform .18s cubic-bezier(.22,1,.36,1),background-color .18s,box-shadow .18s}.calculator-button:hover{transform:translateY(-2px)}.calculator-button:active{transform:translateY(1px)scale(.97)}.calculator-button:focus-visible{outline:3px solid var(--focus);outline-offset:3px}.calculator-button--number{background:var(--surface);color:var(--foreground);box-shadow:inset 0 -2px #ead8cab3}.calculator-button--number:hover,.calculator-button--utility:hover{background:var(--surface-hover)}.calculator-button--utility{background:var(--surface-soft);color:var(--accent-deep)}.calculator-button--operator{background:var(--accent-soft);color:var(--foreground)}.calculator-button--operator:hover{background:#e7a180}.calculator-button--equals{background:var(--accent);color:var(--surface);box-shadow:0 .5rem 1rem #d56d5338}.calculator-button--equals:hover{background:var(--accent-deep)}.calculator-button--wide{grid-column:span 2}.keyboard-hint{color:var(--muted);letter-spacing:.03em;margin:0;font-size:.72rem}.keyboard-hint span{border:1px solid var(--border);background:#fffaf4a6;border-radius:.35rem;place-items:center;width:1.25rem;height:1.25rem;margin-right:.25rem;font-size:.7rem;display:inline-grid}@media (width<=420px){.calculator-page{justify-content:flex-start;padding-top:2rem}.calculator-intro h1{font-size:2.75rem}.calculator-display{min-height:7.5rem}.calculator-button{min-height:3.25rem}}@media (prefers-reduced-motion:reduce){.calculator-button{transition:none}}