.scientific-calculator{max-width:30rem;margin-inline:auto}.scientific-calculator__display-wrap{margin-block-end:var(--space-3, .75rem);padding:var(--space-3, .75rem) var(--space-4, 1rem);border-radius:var(--radius-xl, 1rem);background:var(--color-bg-muted, #eef3fa);text-align:end}.scientific-calculator__expression{margin:0;min-height:1.2em;color:var(--color-text-muted, #475569);font-size:.9rem;text-align:end;overflow-wrap:anywhere}.scientific-calculator__display{display:block;width:100%;overflow-x:auto;white-space:nowrap;scrollbar-width:none;font-size:clamp(1.9rem,9vw,2.5rem);font-weight:700;line-height:1.3;text-align:end;color:var(--color-text, #0f172a)}.scientific-calculator__display::-webkit-scrollbar{display:none}.scientific-calculator__preview{margin:0;min-height:1.4em;color:var(--color-primary, #2563eb);font-size:1.05rem;font-weight:600;text-align:end}.scientific-calculator__keys{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:var(--space-2, .5rem)}.scientific-calculator__keys button{min-height:52px;border:0;border-radius:var(--radius-lg, .75rem);background:var(--color-surface, #fff);box-shadow:inset 0 0 0 1px var(--color-border, #e2e8f0);color:var(--color-text, #0f172a);font-family:inherit;font-size:1.35rem;font-weight:600;cursor:pointer;touch-action:manipulation;transition:transform .06s ease,background .12s ease}.scientific-calculator__keys button:active,.scientific-calculator__keys button.is-pressed{transform:scale(.95)}.scientific-calculator__keys .is-fn{min-height:44px;background:var(--color-bg-muted, #eef3fa);box-shadow:none;font-size:1rem;font-weight:500;color:var(--color-text-muted, #334155)}.scientific-calculator__keys .is-op{background:var(--color-primary-soft, #eff6ff);box-shadow:none;color:var(--color-primary, #2563eb);font-size:1.5rem}.scientific-calculator__keys .is-clear{background:var(--ut-danger-tint);box-shadow:none;color:var(--color-danger-ink, #b91c1c)}.scientific-calculator__keys .is-copied{color:var(--color-success-ink, #15803d)}.scientific-calculator__equals{grid-row:span 2;background:var(--color-primary, #2563eb)!important;box-shadow:none!important;color:var(--ut-on-accent)!important;font-size:1.6rem!important}.scientific-calculator__span2{grid-column:span 2}@media (hover: hover){.scientific-calculator__keys button:hover{filter:brightness(.96)}}.scientific-calculator__error{margin-block-start:var(--space-3, .75rem);color:var(--color-danger-ink, #b91c1c)}