.keypad-workspace{padding:24px;border:1px solid var(--color-border);border-radius:30px;box-shadow:0 8px 28px rgba(0,0,0,.04)}.keypad-topline{font-weight:600;letter-spacing:.08em;margin-bottom:8px}.keypad-topline span:last-child{display:none}.calc-screen{background:transparent;border:0;border-radius:0;padding:14px 4px;margin-bottom:18px;min-height:112px}.calc-screen input{font-size:40px;font-weight:400;line-height:1.25;font-variant-numeric:tabular-nums}.calc-display-result{font-size:38px;line-height:1.25;font-weight:500;color:var(--color-text);min-height:0;font-variant-numeric:tabular-nums}.calc-display-result:empty{display:none}.has-result .calc-screen input{font-size:18px;color:var(--color-muted);min-height:28px}.keypad{gap:10px}.calculator-site .keypad .key{height:60px;border:0;border-radius:999px;box-shadow:none;font-size:25px;font-weight:400;background:var(--color-background);color:var(--color-text);transition:background .15s,transform .15s}.calculator-site .keypad .key-operator{background:var(--color-primary-soft);color:var(--color-primary)}.calculator-site .keypad .key-clear{background:var(--color-background);color:var(--color-muted);font-size:19px}.calculator-site .keypad .key-equals{background:var(--color-electric);color:#fff}.calculator-site .keypad .key:hover{filter:brightness(.94)}.calculator-site .keypad .key:active{transform:scale(.94)}.keypad-help{font-size:11px;font-weight:400;margin-top:18px}.calc-enhanced .daily-results,.calc-enhanced.has-result .tool-feedback{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.calc-history{border-top:1px solid var(--color-border);margin-top:20px;padding-top:14px;font-size:13px}.calc-history summary{display:flex;align-items:center;justify-content:space-between;cursor:pointer;color:var(--color-muted);padding:4px 0;list-style:none}.calc-history summary::-webkit-details-marker{display:none}.calc-history summary::after{content:'+';font-size:20px;margin-left:10px}.calc-history[open] summary::after{content:'−'}.calc-history summary span{margin-left:auto;font-size:11px;padding:2px 8px;border-radius:20px;background:var(--color-background)}.calc-history-note,.calc-history [data-history-empty]{font-size:12px;line-height:1.6;color:var(--color-muted);margin:12px 0}.calc-history ol{list-style:none;padding:0;margin:0;max-height:240px;overflow-y:auto;overscroll-behavior:contain}.calc-history li+li{border-top:1px solid var(--color-border)}.calc-history li button{display:flex;flex-direction:column;align-items:flex-end;gap:4px;width:100%;padding:12px 8px;border:0;border-radius:8px;background:transparent;color:var(--color-text);text-align:right;cursor:pointer;overflow-wrap:anywhere;font:inherit}.calc-history li button:hover{background:var(--color-background)}.calc-history li span{color:var(--color-muted);font-size:12px}.calc-history li strong{font-size:18px;font-weight:500}.calc-history-clear{margin-top:12px;padding:8px 0;border:0;background:transparent;color:var(--color-muted);font:inherit;text-decoration:underline;cursor:pointer}.keypad-workspace button:focus-visible,.calc-history summary:focus-visible,.calc-screen input:focus-visible{outline:2px solid var(--color-primary);outline-offset:3px}@media(max-width:640px){.keypad-workspace{padding:20px;border-radius:26px}.calculator-site .keypad .key{height:55px}.calc-screen input{font-size:36px}.has-result .calc-screen input{font-size:18px}.calc-display-result{font-size:34px}}@media(prefers-reduced-motion:reduce){.calculator-site .keypad .key{transition:none}}