* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: system-ui, sans-serif;
}

body {
  background: linear-gradient(135deg, #0f172a, #1e293b);
  color: white;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

header {
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

a {
  text-decoration: none;
}

.logo {
  font-weight: bold;
  font-size: 20px;
}

.hero {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
}

.hero-content {
  max-width: 500px;
}

.hero h1 {
  font-size: 36px;
  margin-bottom: 15px;
}

.hero p {
  opacity: 0.8;
  margin-bottom: 25px;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 20px 0;
}

.input-group input {
  flex: 1;
  padding: 12px;
  border-radius: 8px;
  border: none;
  outline: none;
}

.input-group button {
  padding: 12px 18px;
  border: none;
  border-radius: 8px;
  background: #3b82f6;
  color: white;
  cursor: pointer;
  font-weight: bold;

  &:disabled {
    background-color: #0f172a;
    cursor: wait;
  }
}

.input-group button:hover {
  background: #2563eb;
}

.preview {
  margin-top: 10px;
  font-size: 14px;
  opacity: 0.7;
}

footer {
  text-align: center;
  padding: 20px;
  opacity: 0.5;
  font-size: 14px;
}

.error-links a {
  padding: 12px 18px;
  border: none;
  border-radius: 8px;
  background: #3b82f6;
  color: white;
  cursor: pointer;
  font-weight: bold;
}