:root {
  --primary-color: #316748dd;
  --base-color: #000000;
  --primary-hover-color: #31674884;
}

body {
  font-family: "Poppins", sans-serif;
  -webkit-font-smoothing: antialiased;
  margin: 0;
  background-color: #f4f4f4;
  color: var(--base-color);
  line-height: 1.6;
  min-height: 100vh;
}

nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  width: 100%;
  background: var(--primary-color);
  padding: 0.5rem 0;

  .logo {
    width: 40px;
    height: 40px;
  }

  .wrapper {
    .header {
      text-align: center;
      color: #fff;
      letter-spacing: 0.3rem;
      font-size: 2rem;
      margin: 0px;
      font-family: monospace;
      font-size: 1.5rem;
      margin-inline: auto;
      overflow: hidden;
      /* Keeps on a single line */
      white-space: nowrap;
      /* The cursor */
      border-right: 1px solid;
      /* steps = number of characters */
      animation: typing 3s steps(22) forwards, blink 1s step-end infinite;
    }

    a {
      text-decoration: none;
    }
  }
}

.footer {
  background-color: var(--primary-color);
  padding: 5px 10px;

  .reserved {
    color: #fff;
    margin: 0;
  }

  .links {
    margin-top: 10px;
    display: flex;
    gap: 20px;

    a {
      color: #fff;

      &:hover {
        color: #ccc;
      }
    }
  }
}

/* Main Index Page Styles */

.main_index {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  padding-top: 50px;

  @media screen and (min-width: 768px) {
    gap: 3rem;
  }

  .container_heading {
    .conversion_heading {
      margin: 0;
      font-size: 1.5rem;
      text-align: center;
    }
  }

  .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    padding: 20px 10px;
    max-width: 1200px;
    margin: 0 auto;

    .card {
      background-color: #fff;
      border: 1px solid #ddd;
      border-radius: 8px;
      padding: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;

      .card-content {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;

        h2 {
          margin: 0;
          text-align: center;
        }

        .long-title {
          font-size: 1.2rem;
        }

        a {
          width: 100%;
          text-align: center;
        }
      }
    }
  }
}

/* Main Coversion Page Styles */

main {
  padding: 50px 10px 0;
  min-height: 100vh;

  @media screen and (min-width: 768px) {
    padding: 50px 0px 0;
  }

  .subheader {
    font-size: 1.5rem;
    text-align: center;

    @media screen and (min-width: 768px) {
      font-size: 2rem;
    }
  }

  .conversion-container {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 30px;
    padding: 20px;
    max-width: 400px;
    margin: 0 auto;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);

    .go-back {
      display: flex;
      justify-content: flex-start;
      align-items: center;
      gap: 10px;

      .back-icon {
        width: 20px;
        height: 20px;
      }

      .back_parag {
        margin: 0;
      }
    }

    .arrow-container {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 10px;

      .revert-icon {
        width: 20px;
        height: 20px;
      }

      .revert_parag {
        margin: 0;
      }
    }

    .core_func {
      display: flex;
      flex-direction: column;
      gap: 7px;
      width: 100%;

      .label {
        font-weight: bold;
        font-size: 1.2rem;

        @media screen and (min-width: 768px) {
          font-size: 1.3rem;
        }
      }

      .converter_input {
        width: 100%;
        padding: 8px;
        border: 1px solid #ddd;
        border-radius: 4px;
        box-sizing: border-box;
        font-size: 1rem;
        min-height: 50px;
      }

      #result_box {
        color: #000000;
        font-weight: bold;
        font-size: 0.9rem;
        padding: 10px;
        border-radius: 5px;
        border: 1px solid var(--primary-color);
        min-height: 15px;
        margin: 0;
      }
    }
  }
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s ease;

  &:hover {
    color: var(--primary-hover-color);
  }
}

/* Animations */

@keyframes typing {
  from {
    width: 0;
  }

  to {
    width: 100%;
  }
}

@keyframes blink {
  50% {
    border-color: transparent;
  }
}

/* making a normal css because some browser don't read nested css */
.footer .reserved {
  color: #fff;
  margin: 0;
}

.footer .links {
  margin-top: 10px;
  display: flex;
  gap: 20px;
}

.footer .links a {
  color: #fff;
}

.footer .links a:hover {
  color: #ccc;
}

main .conversion-container .core_func #result_box {
  color: #000000;
  font-weight: bold;
  font-size: 0.9rem;
  padding: 10px;
  border-radius: 5px;
  border: 1px solid var(--primary-color);
  min-height: 15px;
  margin: 0;
}

main .conversion-container .core_func .label {
  font-weight: bold;
  font-size: 1.2rem;
}

@media screen and (min-width: 768px) {
  main .conversion-container .core_func .label {
    font-weight: bold;
    font-size: 1.3rem;
  }
}

main .go-back .back_parag {
  margin: 0;
}

main .arrow-container .revert_parag {
  margin: 0;
}