:root {
  --black: #0a0a0a;
  --white: #ffffff;
  --accent: #e8ff47;
  --accent2: #ff4d2e;
  --gray: #f0f0ee;
  --gray2: #d4d4d0;
  --gray3: #8a8a86;
  --border: #1a1a1a;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--gray);
  font-family: 'Barlow', sans-serif;
  color: var(--black);
  font-size: 14px;
}

.top-nav {
  background: var(--black);
  color: var(--white);
  padding: 10px 20px;
  display: flex;
  justify-content: space-between;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 16px;
  font-weight: 600;
  text-transform: uppercase;
}

.top-nav a {
  color: var(--accent);
  text-decoration: none;
}
.top-nav a:hover {
  text-decoration: underline;
}

/* Authentication Forms */
.auth-container {
  max-width: 400px;
  margin: 50px auto;
  background: var(--white);
  padding: 30px;
  border: 2px solid var(--black);
}

.auth-container h2 {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 800;
  font-size: 32px;
  text-transform: uppercase;
  margin-bottom: 20px;
  text-align: center;
}

.auth-group {
  margin-bottom: 15px;
}

.auth-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 5px;
}

.auth-group input {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--gray2);
  border-radius: 3px;
  font-family: inherit;
}

.auth-btn {
  width: 100%;
  background: var(--black);
  color: var(--white);
  border: none;
  padding: 12px;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 18px;
  text-transform: uppercase;
  cursor: pointer;
}

.auth-btn:hover {
  background: var(--accent);
  color: var(--black);
}

.auth-error {
  background: #ffdbd6;
  color: var(--accent2);
  padding: 10px;
  margin-bottom: 15px;
  border: 1px solid var(--accent2);
  font-weight: 600;
}

@media screen and (max-width: 600px) {
  .top-nav {
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }
  .auth-container {
    margin: 20px 10px;
    padding: 20px;
  }
}