.calculator-area{padding:0 0 74px}
.big-calculator{width:min(650px,100%);margin:auto;padding:24px;border:4px solid var(--easy-ink);border-radius:30px;background:#dfe3dd;box-shadow:11px 11px 0 var(--easy-ink)}
.big-display{display:grid;min-height:175px;align-content:end;padding:22px;border:4px solid var(--easy-ink);border-radius:18px;background:#172018;color:#fff;text-align:right}
.big-expression{min-height:38px;color:#d8e2d8;font-size:1.1rem;font-weight:700}
.big-display output{display:block;overflow:hidden;font-size:clamp(4rem,12vw,6.6rem);font-weight:900;line-height:1;letter-spacing:-.06em;text-overflow:ellipsis}
.big-display output.compact{font-size:clamp(2.9rem,9vw,4.5rem)}
.big-keypad{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:20px}
.big-key{min-height:92px;border:4px solid var(--easy-ink);border-radius:18px;background:#fff;color:var(--easy-ink);font-size:2.35rem;font-weight:900;box-shadow:0 4px 0 var(--easy-ink);cursor:pointer}
.big-key:hover,.big-key.is-pressed{background:#eef4ec;transform:translateY(2px);box-shadow:0 2px 0 var(--easy-ink)}
.big-key.operator{background:#d9e5ff;color:#103e9f}.big-key.operator.is-active{background:var(--easy-blue);color:#fff}
.big-key.clear{background:#ffd3ca;color:#7c1717;font-size:1.45rem}.big-key.equals{grid-row:span 2;background:var(--easy-green);color:#fff}.big-key.zero{grid-column:span 2}
.calc-help{display:flex;align-items:center;justify-content:space-between;gap:18px;margin:18px 2px 0;color:var(--easy-muted);font-weight:700}
.calc-help button{min-height:60px;padding:8px 17px;border:3px solid var(--easy-ink);border-radius:13px;background:#fff;font-weight:900;cursor:pointer}.calc-status{text-align:center}
@media(max-width:560px){.big-calculator{padding:14px;border-radius:22px;box-shadow:7px 7px 0 var(--easy-ink)}.big-keypad{gap:8px}.big-key{min-height:77px;border-width:3px;font-size:2rem}.big-display{min-height:145px;padding:16px}.calc-help{align-items:stretch;flex-direction:column}.calc-help button{width:100%}}