* {
  box-sizing: border-box;
  font-family: 'Inter', sans-serif;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(rgba(0,0,0,0.9), rgba(0,0,0,0.9)),
    repeating-linear-gradient(
      0deg,
      #14141c,
      #14141c 1px,
      transparent 1px,
      transparent 40px
    ),
    repeating-linear-gradient(
      90deg,
      #14141c,
      #14141c 1px,
      transparent 1px,
      transparent 40px
    );
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.auth-container {
  width: 100%;
  display: flex;
  justify-content: center;
}

.auth-card {
  background: #12121a;
  width: 100%;
  max-width: 420px;
  padding: 40px;
  border-radius: 18px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.auth-card h1 {
  margin-bottom: 8px;
}

.subtitle {
  opacity: 0.7;
  margin-bottom: 30px;
}

input {
  width: 100%;
  padding: 14px;
  margin-bottom: 14px;
  border-radius: 10px;
  border: none;
  background: #1c1c26;
  color: white;
  font-size: 15px;
}

input:focus {
  outline: 1px solid #6c6cff;
}

.btn {
  width: 100%;
  padding: 14px;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  font-weight: 600;
}

.btn.primary {
  background: #6c6cff;
  color: white;
}

.btn.primary:hover {
  opacity: 0.9;
}

.switch {
  margin-top: 20px;
  font-size: 14px;
}

.switch a {
  color: #6c6cff;
  text-decoration: none;
}

.error {
  margin-top: 15px;
  color: #ff6b6b;
  font-size: 13px;
}