.calculator-menu-button {
  width: 100%;
  border: 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
  font: inherit;
}

.calculator-menu-button:hover {
  background: #1c3b55;
  color: #fff;
}

.calculator-overlay {
  position: fixed;
  inset: 0;
  z-index: 1055;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 12px;
  background: rgb(5 13 19 / 72%);
  backdrop-filter: blur(3px);
}

.calculator-overlay.is-open {
  display: flex;
}

.calculator-dialog {
  width: min(350px, calc(100vw - 24px));
  height: min(690px, calc(100vh - 28px));
  height: min(690px, calc(100dvh - 28px));
  margin: auto;
}

.calculator-modal {
  position: relative;
  display: flex;
  width: 100%;
  height: 100%;
  min-height: 0;
  flex-direction: column;
  overflow: hidden;
  padding: 8px 9px 17px;
  border: 5px solid #090c0e;
  border-radius: 38px;
  background: #171a1d;
  box-shadow: 0 26px 80px rgb(0 0 0 / 55%);
}

.calculator-modal::before {
  position: absolute;
  top: 6px;
  left: 50%;
  width: 84px;
  height: 15px;
  border-radius: 0 0 12px 12px;
  background: #090c0e;
  content: "";
  transform: translateX(-50%);
}

.calculator-modal::after {
  position: absolute;
  bottom: 6px;
  left: 50%;
  width: 96px;
  height: 4px;
  border-radius: 4px;
  background: #d7d9da;
  content: "";
  transform: translateX(-50%);
}

.calculator-modal .modal-header {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  padding: 25px 12px 4px;
  border: 0;
  color: #fff;
}

.calculator-modal .modal-title {
  margin: 0;
  color: #f5f6f7;
  font-size: 15px;
  font-weight: 600;
}

.calculator-close {
  position: absolute;
  top: 21px;
  right: 12px;
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: #303438;
  color: #fff;
  cursor: pointer;
  font-size: 25px;
  line-height: 1;
}

.calculator-close:hover,
.calculator-close:focus-visible {
  background: #4a4e52;
}

.calculator-modal .modal-body {
  display: flex;
  min-height: 0;
  flex: 1;
  flex-direction: column;
  padding: 8px 12px 16px;
}

.calculator-display {
  display: flex;
  min-height: 100px;
  flex: 1;
  align-items: flex-end;
  justify-content: flex-end;
  overflow: hidden;
  padding: 12px 5px 18px;
  color: #fff;
  font-size: clamp(42px, 13vw, 60px);
  font-variant-numeric: tabular-nums;
  font-weight: 300;
  white-space: nowrap;
}

.calculator-modal .calculator-keys {
  display: grid;
  flex: 0 0 auto;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(7px, 2.5vw, 11px);
}

.calc-key {
  width: 100%;
  aspect-ratio: 1;
  border: 0;
  border-radius: 50%;
  background: #34373b;
  color: #fff;
  cursor: pointer;
  font-size: clamp(19px, 6vw, 24px);
  font-weight: 500;
  transition: filter 120ms ease, transform 120ms ease;
  -webkit-tap-highlight-color: transparent;
}

.calc-key:hover {
  filter: brightness(1.2);
}

.calc-key:active {
  transform: scale(.94);
  filter: brightness(1.35);
}

.calc-key:focus-visible,
.calculator-menu-button:focus-visible {
  outline: 3px solid #65d8cc;
  outline-offset: 3px;
}

.calc-function {
  background: #a5a7aa;
  color: #151719;
}

.calc-operator,
.calc-equals {
  background: #ff9f0a;
  color: #fff;
}

@media (max-height: 620px) {
  .calculator-dialog {
    height: calc(100vh - 16px);
    height: calc(100dvh - 16px);
  }

  .calculator-modal .calculator-keys {
    gap: 5px;
  }

  .calculator-display {
    min-height: 60px;
    padding-bottom: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .calc-key {
    transition: none;
  }
}