:root {
  --primary-color: #2c3e50;
  --bg-color: #f8f9fa;
  --card-bg: #ffffff;
  --text-color: #333333;
}

body {
  font-family: system-ui, -apple-system, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  margin: 0;
  padding: 0;
}

.navbar {
  background-color: var(--primary-color);
  color: white;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.container {
  max-width: 800px;
  margin: 2rem auto;
  padding: 0 1rem;
}

.card {
  background: var(--card-bg);
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.form-group {
  margin-bottom: 1rem;
}

/* Logical properties for automatic RTL/LTR support */
.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  text-align: start; 
}

input {
  width: 100%;
  padding: 0.5rem;
  box-sizing: border-box;
  margin-inline-end: 1rem; /* Adapts to RTL/LTR automatically */
}

button {
  background-color: #3498db;
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  cursor: pointer;
  border-radius: 4px;
}