* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, sans-serif;
}

body {
  height: 100vh;
  overflow: hidden;
  color: white;
}

.background {
  position: fixed;
  inset: 0;
  background: linear-gradient(135deg, #ff7a00 0%, #ff4d00 40%, #1a1a1a 100%);
}

.container {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

.card {
  width: 90%;
  max-width: 420px;
  padding: 40px 28px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  text-align: center;
}

.logo-wrapper {
  margin-bottom: 20px;
}

.logo {
  width: 120px;
}

.title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 6px;
}

.subtitle {
  font-size: 14px;
  opacity: 0.85;
  margin-bottom: 30px;
}

.input {
  width: 100%;
  height: 50px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.35);
  background: rgba(255,255,255,0.15);
  padding: 0 16px;
  color: #fff;
  font-size: 14px;
  margin-bottom: 20px;
  outline: none;
}

.input::placeholder {
  color: rgba(255,255,255,0.6);
}

.btn {
  width: 100%;
  height: 50px;
  border-radius: 14px;
  border: none;
  font-weight: 700;
  font-size: 14px;
  color: white;
  cursor: pointer;
  transition: 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.btn-primary {
  background: #ff6a00;
  margin-bottom: 12px;
}

.btn-primary:hover {
  background: #ff4d00;
}

.btn-buy {
  background: #0cc0df;
}

.btn-buy:hover {
  background: #0aa6c2;
}

.error {
  color: #ffcccc;
  font-size: 13px;
  margin-bottom: 10px;
}