:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --background-color: #f8f9fa;
    --text-color: #333;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
}

body {
    font-family: 'Inter', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--background-color);
    color: var(--text-color);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.main-header {
    background-color: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.btn {
    padding: 0.5rem 1rem;
    border-radius: 4px;
    text-decoration: none;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    display: inline-block;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #fff;
}

.btn-danger {
    background-color: var(--danger-color);
    border-color: var(--danger-color);
    color: #fff;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.2rem;
    margin: 0.5rem;
}

.hero {
    text-align: center;
    padding: 4rem 0;
}

.form-container {
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    max-width: 400px;
    margin: 2rem auto;
}

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

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

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

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

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
}

.dashboard-header {
    margin: 2rem 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: #fff;
    padding: 1rem;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    text-align: center;
}

.highlight-card {
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    border-left: 5px solid var(--warning-color);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

@media (max-width: 768px) {
    .main-header .container {
        flex-direction: column;
        gap: 1rem;
    }
}