* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', sans-serif;
}

body {
  min-height: 100vh;
  background: linear-gradient(to bottom, #1a1030, #0a0518);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.auth-container {
  width: 100%;
  max-width: 380px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 20px;
  padding: 32px 24px;
  text-align: center;
  backdrop-filter: blur(10px);
}

h1 {
  color: #fff;
  font-size: 1.8em;
  margin-bottom: 4px;
}

.subtitle {
  color: #b8a8d8;
  font-size: 0.9em;
  margin-bottom: 24px;
}

.tabs {
  display: flex;
  margin-bottom: 20px;
  border-radius: 12px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.05);
}

.tab-btn {
  flex: 1;
  padding: 10px;
  border: none;
  background: transparent;
  color: #b8a8d8;
  cursor: pointer;
  font-size: 0.9em;
}

.tab-btn.active {
  background: #7c4dff;
  color: #fff;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.auth-form.hidden {
  display: none;
}

.auth-form input {
  padding: 14px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 1em;
}

.auth-form input::placeholder {
  color: #8878a8;
}

.auth-form button[type="submit"] {
  padding: 14px;
  border-radius: 10px;
  border: none;
  background: #7c4dff;
  color: #fff;
  font-size: 1em;
  cursor: pointer;
  margin-top: 8px;
}

.error-msg {
  color: #ff6b6b;
  font-size: 0.85em;
  min-height: 18px;
}