/* Simple CSS for minimal working version */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.layout {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    background-color: #f8f9fa;
    border-bottom: 1px solid #dee2e6;
    padding: 1rem 0;
}

nav {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

nav a {
    text-decoration: none;
    color: #007bff;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background-color 0.2s;
}

nav a:hover {
    background-color: #e9ecef;
}

main {
    flex: 1;
    padding: 2rem 0;
}

.welcome-card {
    background: white;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.login-card {
    max-width: 400px;
    margin: 0 auto;
    background: white;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.card {
    background: white;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.card h3 {
    margin-top: 0;
    color: #333;
}

.card-content {
    margin-top: 1rem;
}

.number {
    font-size: 2rem;
    font-weight: bold;
    color: #007bff;
}

.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: #6c757d;
    color: white;
    text-decoration: none;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s;
    margin-top: 1rem;
}

.btn:hover {
    background-color: #5a6268;
}

.btn-primary {
    background-color: #007bff;
}

.btn-primary:hover {
    background-color: #0056b3;
}

.button-group {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.form-control {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ced4da;
    border-radius: 4px;
    font-size: 1rem;
}

.form-control:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 2px rgba(0,123,255,0.25);
}

.alert {
    padding: 0.75rem;
    margin-bottom: 1rem;
    border-radius: 4px;
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.divider {
    height: 1px;
    background-color: #dee2e6;
    margin: 1.5rem 0;
}

.register-link {
    text-align: center;
}

.register-link a {
    color: #007bff;
    text-decoration: none;
}

.register-link a:hover {
    text-decoration: underline;
}

h1, h2, h3 {
    color: #333;
}

p {
    color: #666;
    line-height: 1.5;
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .grid {
        grid-template-columns: 1fr;
    }
    
    .button-group {
        flex-direction: column;
    }
    
    nav {
        flex-direction: column;
        align-items: center;
    }
}