/* Global reset */
* { box-sizing: border-box; }

body {
  font-family: "Segoe UI", sans-serif;
  margin: 0;
  background: linear-gradient(135deg, #001ab0, #5978cc) fixed;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.container {
  background: #fff;
  padding: 2.5rem 3rem;
  border-radius: 20px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 480px;
}

h1 {
  text-align: center;
  margin-bottom: 1.5rem;
  color: #00b09b;
}

label {
  display: block;
  margin-bottom: 1rem;
  font-weight: 600;
  color: #333;
}

input[type="text"],
input[type="email"],
input[type="number"],
textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 1rem;
}

textarea { resize: vertical; }

button {
  display: block;
  width: 100%;
  padding: 1rem;
  margin-top: 0.5rem;
  border: none;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  background: #00b09b;
  cursor: pointer;
  transition: 0.3s;
}

button:hover { background: #019682; }

.challenge {
  margin: 1rem 0 0.5rem;
  font-weight: 600;
  color: #555;
}

.flash {
  margin-bottom: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  background: #f0f7ff;
  color: #0064c8;
  text-align: center;
}

select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 1rem;
  background: #fff;
}