:root {
  --text-primary: #e900dd;
  --text-secondary: #4d4d4d;
  --text-tertiary: #868686;
  --btn-primary-shadow: #ff00f2;
  --btn-danger: #ff0000;
  --btn-safe: #00ff00;
  --btn-reset: #000;
  --shadow-primary: #42003f;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  min-height: 100vh;
  background: rgb(142, 219, 255);
  display: flex;
  align-items: center;
  justify-content: center;
}

.container {
  width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.card {
  font-family: "DSEG7Classic-Regular", monospace;
  max-width: 600px;
  min-height: 450px;
  background-color: rgb(255, 255, 255);
  border-radius: 20px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow: 20px 25px 20px rgba(225, 0, 255, 0.251);
  padding: 1rem;
}
.heading {
  font-size: 40px;
  font-weight: 600;
  color: var(--text-primary);

  text-shadow: 5px 5px 10px var(--shadow-primary);
  border-radius: 10px;

  /* box-shadow: 5px 5px 15px var(--btn-primary-shadow); */
}
.btn {
  /* padding: 1rem 2rem; */
  border: 1px solid rgb(164, 164, 164);
  border-radius: 10px;
  padding: 0.5rem 1rem;
  cursor: pointer;
}
.input-output-container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 0.5rem;
}
.input-output-container div {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 90%;
  color: var(--text-secondary);
}
.input-output-container label {
  font-size: 30px;
  color: #505050;
  font-weight: 900;
}
.input-output-container .text {
  /* padding: 2rem 1rem; */
  background-color: #d8d8d8;
  border-radius: 10px;
  font-size: 40px;
  padding: 1rem 2rem;
  width: 100%;
  font-weight: 900;
  flex: 1;
}
#output {
  pointer-events: none;
}
.input-output-container .swap {
  border: 1px solid #bdbdbd;
  border-radius: 50%;
  text-align: center;
  padding: 1rem;
  flex: 1;
}
.parent-button-container {
  display: flex;
  justify-content: center;
  width: 90%;
}
.button-container {
  display: flex;
  justify-content: center;
  width: 50%;
  padding: 0.5rem;
  gap: 5px;
}
.input-btn,
.output-btn {
  font-weight: 900;
  font-size: 18px;
  color: var(--text-secondary);
}

.swap:hover,
.btn:hover {
  box-shadow: 0px 1px 10px var(--btn-primary-shadow);
}
.swap {
  display: flex;
  align-items: center;
  font-size: 24px;
}

.input-btn.active {
  color: white;
  background-color: rgb(0, 107, 66);
}
.output-btn.active {
  color: white;
  background-color: rgb(0, 107, 66);
}

@media (max-width: 768px) {
  .card {
    max-width: 460px;
    min-height: 350px;
  }
  .card .heading {
    font-size: 32px;
  }
  .input-output-container div {
    gap: 3px;
  }
  .input-output-container .text {
    font-size: 30px;
    padding: 0.5rem 1rem;
    width: 100%;
  }
  .input-output-container {
    width: 90%;
  }
  .input-output-container label {
    font-size: 20px;
  }
  .swap {
    font-size: 20px;
  }
  .input-btn,
  .output-btn {
    font-size: 14px;
  }
}

@media (max-width: 430px) {
  .card {
    max-width: 250px;
    min-height: 350px;
    gap: 5px;
  }
  .card .heading {
    font-size: 16px;
  }
  .input-output-container {
    flex-direction: column;
    gap: 5px;
  }
  .input-output-container div {
    gap: 1px;
  }
  .input-output-container .text {
    font-size: 16px;
    padding: 0.5rem 1rem;
    width: 100%;
  }
  .input-output-container label {
    font-size: 12px;
    width: 100%;
  }
  .swap {
    font-size: 8px;
    height: 30px;
    width: 50px;
  }
  .input-btn,
  .output-btn,
  .swap,
  .btn-reset {
    font-size: 10px;
    box-shadow: inset 0.5px 0.5px 0.5px var(--text-secondary);
    transition: all 0.3s ease;
  }
  .input-btn:hover,
  .output-btn:hover,
  .swap:hover,
  .btn-reset:hover {
    box-shadow: none;
  }
  .parent-button-container {
    flex-direction: column;
    align-items: center;
    background-color: #ececec;
    border-radius: 15px;
    padding: 1rem;
  }
}