* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #0b1020;
  color: #f5f7ff;
  font-family: Arial, sans-serif;
}

header {
  text-align: center;
  padding: 30px 15px;
  background: #121a30;
}

header h1 {
  font-size: 30px;
}

header span {
  color: #8b9cff;
}

header p {
  color: #bdc7df;
}

main {
  max-width: 850px;
  margin: auto;
  padding: 18px;
}

.card {
  background: #151e35;
  border: 1px solid #2c3959;
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 20px;
}

label {
  display: block;
  margin: 18px 0 8px;
}

input, select, button {
  width: 100%;
  padding: 13px;
  border-radius: 9px;
  font-size: 15px;
  margin-bottom: 10px;
}

input, select {
  background: #0b1020;
  color: white;
  border: 1px solid #435174;
}

button {
  border: none;
  background: #7185ff;
  color: white;
  font-weight: bold;
  cursor: pointer;
}

#videoPreview video {
  width: 100%;
  margin-top: 16px;
  border-radius: 10px;
}

#status, #results {
  line-height: 1.6;
  overflow-wrap: anywhere;
}

@media (max-width: 480px) {
  .card {
    padding: 15px;
  }
}