@import url("https://fonts.googleapis.com/css2?family=Spartan:wght@700&display=swap");
body {
  background: #3a4764;
  height: 100vh; }

.container .section1 {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 2.25rem; }
  .container .section1 .title {
    color: white;
    font-size: 32px; }
  .container .section1 .theme-selector {
    display: flex;
    align-items: flex-end;
    gap: 30px; }
    .container .section1 .theme-selector .theme-label {
      color: white;
      font-size: 14px; }
    .container .section1 .theme-selector .theme-changer {
      display: flex;
      flex-direction: column;
      justify-content: space-between; }
      .container .section1 .theme-selector .theme-changer .theme-slide-level {
        display: flex;
        justify-content: space-around; }
        .container .section1 .theme-selector .theme-changer .theme-slide-level .slide-number {
          color: white;
          font-size: 14px; }
      .container .section1 .theme-selector .theme-changer .theme-slider {
        display: flex;
        justify-content: space-between;
        gap: 15px;
        background: #232c43;
        padding: 6px 10px;
        border-radius: 1rem; }
        .container .section1 .theme-selector .theme-changer .theme-slider .radio-container {
          position: relative;
          cursor: pointer;
          width: 20px;
          height: 20px; }
          .container .section1 .theme-selector .theme-changer .theme-slider .radio-container input {
            position: absolute;
            opacity: 0;
            height: 20px;
            width: 20px;
            z-index: 1; }
          .container .section1 .theme-selector .theme-changer .theme-slider .radio-container .checkmark {
            position: absolute;
            top: 0;
            left: 0;
            height: 20px;
            width: 20px;
            border-radius: 50%; }
          .container .section1 .theme-selector .theme-changer .theme-slider .radio-container input:checked ~ .checkmark {
            background: #93261a; }

.container .section2 {
  background: #182034; }
  .container .section2 .current-operand {
    color: white;
    font-size: 32px;
    font-weight: bold; }
  .container .section2 .previous-operand {
    color: #8a8989;
    font-size: 15px;
    font-weight: normal; }

.container .section3 {
  padding: 1.5rem;
  background: #232c43;
  border-radius: 8px;
  display: grid;
  grid-template-columns: repeat(4, minmax(3.5rem, 1fr));
  grid-auto-rows: 3.5rem;
  grid-column-gap: 0.75rem;
  grid-row-gap: 1rem;
  justify-content: center;
  align-content: center; }
  .container .section3 .reset-btn {
    grid-column: span 2; }
  .container .section3 .sum-btn {
    grid-column: span 2; }
  .container .section3 .calc-button {
    border-radius: 5px;
    cursor: pointer;
    border: none;
    font-weight: bold; }
    .container .section3 .calc-button:active {
      box-shadow: none; }
  .container .section3 .main-btn {
    background: #eae3dc;
    box-shadow: 0px 4px 0px #b4a597;
    color: #444b5a;
    font-size: 32px; }
  .container .section3 .action-btn {
    background: #637097;
    box-shadow: 0px 4px 0px #404e72;
    color: white;
    font-size: 15px;
    font-weight: bold; }
  .container .section3 .sum-btn {
    background: #d03f2f;
    box-shadow: 0px 4px 0px #93261a;
    color: white; }

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0; }

body {
  font-family: "Spartan", sans-serif;
  position: relative;
  height: 100vh; }

.clac-button {
  cursor: pointer;
  border: none !important;
  outline: none; }

.section2 {
  margin-bottom: 2rem;
  display: flex;
  align-items: flex-end;
  justify-content: space-around;
  flex-direction: column;
  min-height: 6rem;
  border-radius: 8px;
  outline: none;
  border: none;
  width: 100%;
  padding: 0 0.75rem;
  height: auto;
  word-break: break-all; }

@media (min-width: 375px) and (max-width: 662px) {
  body {
    display: flex;
    justify-content: center;
    align-items: center; }
  .container {
    width: 320px; } }

@media (min-width: 662px) and (max-width: 1440px) {
  body {
    display: flex;
    justify-content: center;
    align-items: center; }
  .container {
    width: 400px; } }

.attribution {
  font-size: 11px;
  text-align: center;
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0; }

.attribution a {
  color: #ca5502; }