* {
  box-sizing: border-box;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(
    circle at top,
    #0f2a44,
    #060d18 70%
  );
  color: #e8f1ff;
}

.page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.card {
  width: 100%;
  max-width: 420px;
  background: rgba(15, 42, 68, 0.6);
  backdrop-filter: blur(14px);
  border-radius: 16px;
  padding: 36px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

h1 {
  margin: 0 0 8px;
  font-size: 28px;
}

.subtitle {
  margin: 0 0 28px;
  color: #9fb6d9;
  font-size: 14px;
}

form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

input {
  background: #061425;
  border: 1px solid #1d3a5c;
  color: #e8f1ff;
  padding: 14px;
  border-radius: 10px;
  font-size: 15px;
}

input::placeholder {
  color: #7f9cc4;
}

input:focus {
  outline: none;
  border-color: #3db4ff;
}

button {
  margin-top: 10px;
  padding: 14px;
  border-radius: 12px;
  border: none;
  background: linear-gradient(
    135deg,
    #2dd4ff,
    #3b82f6
  );
  color: #031527;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}

button:hover {
  opacity: 0.9;
}

.message {
  margin-top: 16px;
  font-size: 14px;
  min-height: 18px;
}

.footer {
  margin-top: 26px;
  font-size: 14px;
  color: #9fb6d9;
  text-align: center;
}

.footer a {
  color: #3db4ff;
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}