/* Import Poppins font */
@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,700;1,400;1,800&display=swap');

/* CSS Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Primary Colors */
  --purple-500: hsl(259, 100%, 65%);
  --red-400: hsl(0, 100%, 67%);
  
  /* Neutral Colors */
  --white: hsl(0, 100%, 100%);
  --grey-100: hsl(0, 0%, 94%);
  --grey-200: hsl(0, 0%, 86%);
  --grey-500: hsl(0, 1%, 44%);
  --black: hsl(0, 0%, 0%);
}

body {
  font-family: 'Poppins', sans-serif;
  background-color: var(--grey-100);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.card {
  background-color: var(--white);
  border-radius: 1.5rem 1.5rem 8rem 1.5rem;
  padding: 3rem;
  max-width: 840px;
  width: 100%;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.form-container {
  display: flex;
  gap: 2rem;
  margin-bottom: 2rem;
  max-width: 500px;
}

.input-group {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 160px;
}

.input-group label {
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.2rem;
  color: var(--grey-500);
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.input-group input {
  font-size: 32px;
  padding: 0.75rem 1rem;
  border: 1px solid var(--grey-200);
  border-radius: 0.5rem;
  width: 100%;
  font-weight: 700;
  color: var(--black);
}

.input-group input:focus {
  outline: none;
  border-color: var(--purple-500);
}

.input-group.error label {
  color: var(--red-400);
}

.input-group.error input {
  border-color: var(--red-400);
}

.error-message {
  color: var(--red-400);
  font-size: 0.75rem;
  font-style: italic;
  margin-top: 0.5rem;
  min-height: 1rem;
}

.divider {
  position: relative;
  display: flex;
  align-items: center;
  margin: 2rem 0;
}

.divider hr {
  flex-grow: 1;
  border: none;
  height: 1px;
  background-color: var(--grey-200);
}

.submit-btn {
  background-color: var(--purple-500);
  border: none;
  border-radius: 50%;
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  z-index: 1;
  transition: background-color 0.3s;
}

.submit-btn:hover {
  background-color: var(--black);
}

.submit-btn img {
  width: 24px;
  height: 24px;
}

.result {
  font-size: 3.5rem;
  font-weight: 800;
  font-style: italic;
  line-height: 1.1;
}

.result span {
  color: var(--purple-500);
  margin-right: 0.5rem;
}

/* Mobile styles */
@media (max-width: 768px) {
  .card {
    padding: 1.5rem;
    border-radius: 1.5rem 1.5rem 6rem 1.5rem;
  }
  
  .form-container {
    gap: 1rem;
  }
  
  .input-group {
    max-width: 100%;
  }
  
  .input-group input {
    font-size: 1.25rem;
    padding: 0.5rem;
  }
  
  .divider {
    margin: 4rem 0 2rem;
  }
  
  .submit-btn {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 56px;
    height: 56px;
  }
  
  .result {
    font-size: 2.5rem;
  }
}

.attribution {
  font-size: 11px;
  text-align: center;
  margin-top: 2rem;
}

.attribution a {
  color: var(--purple-500);
}