:root {
  --primary-color: #4a4a4a;
  --text-primary: #333333;
  --text-secondary: #666666;
  --border-color: #e0e0e0;
  --background-light: #f5f5f5;
  --background-dark: #e8e8e8;
  --card-bg: rgba(255, 255, 255, 0.9);
  --hover-bg: #f0f0f0;
}

body {
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background: linear-gradient(135deg, var(--background-light) 0%, var(--background-dark) 100%);
  min-height: 100vh;
}

.auth-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.auth-content {
  max-width: 400px;
  width: 100%;
  margin: 0 auto;
}

.card {
  background: var(--card-bg);
  backdrop-filter: blur(8px);
  border-radius: 1rem;
  box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  border: 1px solid var(--border-color);
  transition: box-shadow 0.2s ease-in-out;
}

.card:hover {
  box-shadow: 0 6px 8px -1px rgb(0 0 0 / 0.15);
}

.card-body {
  padding: 2rem;
  text-align: center;
}

.input-group {
  margin-bottom: 1.5rem;
}

.input-group input {
  width: 100%;
  height: 2.5rem;
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
  border: 1px solid var(--border-color);
  background-color: var(--background-light);
  color: var(--text-primary);
  transition: all 0.2s ease-in-out;
}

.input-group input:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(74, 74, 74, 0.1);
  outline: none;
}

.btn-primary {
  background-color: var(--background-light);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  border-radius: 0.5rem;
  padding: 0.5rem 1.5rem;
  transition: all 0.2s ease-in-out;
}

.btn-primary:hover {
  background-color: var(--hover-bg);
  border-color: var(--primary-color);
  color: var(--text-primary);
}

.text-muted {
  color: var(--text-secondary) !important;
}

.text-muted a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.2s ease-in-out;
}

.text-muted a:hover {
  color: var(--text-primary);
  text-decoration: underline;
}

.text-error {
  color: #dc3545;
  font-size: 0.875rem;
  margin-top: -1rem;
  margin-bottom: 1rem;
  display: block;
}

h4 {
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  font-weight: 600;
}

img {
  max-width: 200px;
  height: auto;
  margin-bottom: 1.5rem;
}