:root {
  --color-primary: #ff1400;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Montserrat', sans-serif;
  min-height: 100dvh;
  background-image: url('./img/bg-light.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  padding: 0;
}

main {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 16px;
}

.event-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 16px 20px 32px;
  border-radius: 20px;
  border: 1px solid #c0c0c0;
  background-color: #fff;
  max-width: 400px;
  width: 100%;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

input {
  border: none;
  outline: none;
  background: none;
  padding: 0;
  margin: 0;
  font-family: 'Montserrat', sans-serif;
  font-size: 16px;
}

.event-form input[type='text'] {
  padding: 8px 16px;
  border: 1px solid #c0c0c0;
  border-radius: 40px;
}

.grand-finale-logo {
  width: 70%;
  height: auto;
  object-fit: contain;
  margin: 0 auto;
}

.submit-button {
  background-color: var(--color-primary);
  color: #fff;
  padding: 8px 31px;
  border-radius: 40px;
  font-size: 16px;
  border: none;
  cursor: pointer;
  font-weight: 500;
}

.submit-button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.popup {
  display: none;
  position: fixed;
  inset: 0;
  padding: 32px 16px;
  background-color: rgba(0, 0, 0, 0.5);
}

.popup-content {
  max-width: 400px;
  width: 100%;
  margin: 0 auto;
  background-color: #fff;
  border-radius: 20px;
  padding: 20px;
}

.close-button {
  background-color: var(--color-primary);
  color: #fff;
  padding: 8px 31px;
  border-radius: 40px;
  font-size: 16px;
  border: none;
  cursor: pointer;
}

.close-button:hover {
  background-color: #000;
}

@media (max-width: 768px) {
  main {
    align-items: flex-start;
  }
}

@media (prefers-color-scheme: dark) {
  html {
    background-color: #000;
  }

  body {
    background-image: url('./img/bg-dark.png');
  }

  .event-form {
    border: 1px solid #444;
    background-color: #000;
  }

  .event-form label {
    color: #fff;
  }

  .event-form input[type='text'] {
    border: 1px solid #444;
    color: #fff;
  }
}