.calculator-container {
  display: flex;
  flex-direction: column;
  margin: 50px auto;
  max-width: 360px;
}

.top-container {
  color: var(--top-text);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.calc {
  padding-top: 16px;
  font-size: 30px;
}

.theme-text {
  padding-top: 16px;
  margin-right: 16px;
  font-size: 10px;
}

.top-right-container {
  display: flex;
  text-transform: uppercase;
  align-items: center;
  padding-right: 10px;
}

.theme-container {
  width: 50px;
}

.theme-choice-container {
  display: flex;
  justify-content: space-between;
  width: 100%;
  padding: 0 5px;
}

.slider {
  -webkit-appearance: none;
  appearance: none;
  background-color: var(--toggle-bg);
  width: 100%;
  height: 24px;
  border-radius: 12px;
  padding: 0 5px;
  cursor: pointer;
  transition: background-color 0.3s;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 15px;
  height: 15px;
  border-radius: 10px;
  background-color: var(--equals-bg);
  transition: background-color 0.3s;
}

.slider:focus {
  outline: none;
}

.display-calculation {
  background-color: var(--screen-bg);
  color: var(--display-text);
  text-align: right;
  font-size: 32px;
  padding: 10px;
  margin: 10px auto;
  border-radius: 8px;
  transition: background-color 0.3s;
}

.input-container {
  background-color: var(--keypad-bg);
  padding: 10px;
  border-radius: 8px;
  transition: background-color 0.3s;
}

.input-container div {
  display: flex;
  gap: 10px;
  margin: 10px;
}

.input-container button {
  font-family: 'League Spartan', sans-serif;
  text-transform: uppercase;
  border: none;
  font-size: 25px;
  padding: 10px;
  border-radius: 8px;
  width: 100%;
  cursor: pointer;
  transition: background-color 0.15s;
}

.calc-button {
  background-color: var(--calc-bg);
  color: var(--calc-text);
  box-shadow: inset 0 -4px 0 var(--calc-shadow);
}

.del-button, .reset-button {
  background-color: var(--key-bg);
  color: var(--del-text);
  box-shadow: inset 0 -4px 0 var(--key-shadow);
}

.equals-button {
  background-color: var(--equals-bg);
  color: var(--equals-text);
  box-shadow: inset 0 -4px 0 var(--equals-shadow);
}

.calc-button:hover {
  background-color: var(--calc-hover);
}

.del-button:hover, .reset-button:hover {
  background-color: var(--key-hover);
}

.equals-button:hover {
  background-color: var(--equals-hover);
}

.attribution { 
  font-size: 11px; 
  text-align: center; 
}

.attribution a { 
  color: hsl(228, 45%, 44%); 
}

@media (max-width: 375px) {
  body {
    min-width: 350px;
  }
  
  .calculator-container {
    max-width: unset;
    margin: 50px 30px;
  }

  .display-calculation {
    font-size: 26px;
  }

  .input-container div {
   gap: 16px;
  }

  .input-container button {
    font-size: 16px;
  }
}