* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  background: radial-gradient(circle at top, #27325f, #0c1020 55%);
  color: #f7f7fb;
  min-height: 100vh;
}

.page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  gap: 20px;
}

.card {
  width: 100%;
  max-width: 430px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 22px;
  padding: 28px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(16px);
}

h1, h2 {
  margin: 0 0 8px;
}

.subtitle {
  color: #bfc5dd;
  margin-bottom: 22px;
}

.tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 18px;
}

.tab {
  flex: 1;
  background: rgba(255, 255, 255, 0.08);
  color: #f7f7fb;
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.tab.active {
  background: #7c5cff;
}

.form {
  display: grid;
  gap: 14px;
}

input {
  width: 100%;
  padding: 14px 15px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.09);
  color: white;
  outline: none;
}

input::placeholder {
  color: #aab0c8;
}

button {
  padding: 14px 15px;
  border: 0;
  border-radius: 14px;
  background: #7c5cff;
  color: white;
  font-weight: 700;
  cursor: pointer;
}

button:hover {
  filter: brightness(1.08);
}

.message {
  min-height: 22px;
  color: #cfd4ea;
}

.hidden {
  display: none;
}

pre {
  white-space: pre-wrap;
  background: rgba(0, 0, 0, 0.25);
  padding: 14px;
  border-radius: 14px;
}