body {
    font-family: "Vazirmatn", sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    background-attachment: fixed;
}

main {
    min-height: calc(100vh - 200px);
}

.card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.card-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 15px 15px 0 0 !important;
    padding: 1.5rem;
    font-weight: 600;
}

.btn {
    border-radius: 10px;
    padding: 0.6rem 1.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.form-control, .form-select {
    border-radius: 10px;
    border: 2px solid #e0e0e0;
    padding: 0.7rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

.table {
    background: white;
    border-radius: 15px;
    overflow: hidden;
}

.table thead th {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    font-weight: 600;
    padding: 1rem;
}

.table tbody tr {
    transition: background-color 0.3s ease;
}

.table tbody tr:hover {
    background-color: #f8f9fa;
}

.badge {
    padding: 0.5rem 1rem;
    border-radius: 10px;
    font-weight: 500;
}

.navbar {
    border-radius: 0 0 15px 15px;
}

.stat-card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.stat-card .icon {
    font-size: 3rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
}

.stat-card h3 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 0.5rem;
}

.stat-card p {
    color: #666;
    font-size: 1rem;
    margin: 0;
}

.progress {
    height: 25px;
    border-radius: 15px;
    background-color: #e9ecef;
}

.progress-bar {
    border-radius: 15px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    font-weight: 600;
}

.modal-content {
    border-radius: 15px;
    border: none;
}

.modal-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 15px 15px 0 0;
}

.alert {
    border-radius: 15px;
    border: none;
}

.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card {
    max-width: 450px;
    width: 100%;
}

.login-card .card-body {
    padding: 3rem;
}

.rating-stars {
    font-size: 1.5rem;
    cursor: pointer;
    color: #ddd;
}

.rating-stars .bi-star-fill {
    color: #ffc107;
}

.evaluation-form {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    margin-bottom: 1.5rem;
}

.criterion-item {
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 10px;
    margin-bottom: 1rem;
}

.chart-container {
    position: relative;
    height: 400px;
    background: white;
    border-radius: 15px;
    padding: 2rem;
}

@media (max-width: 768px) {
    .stat-card {
        margin-bottom: 1rem;
    }
    
    .table {
        font-size: 0.875rem;
    }
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}