/* School Fees Management System Styles */

/* RTL Support */
html[dir="rtl"] {
    direction: rtl;
    text-align: right;
}

/* Base Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
}

/* Navigation */
.navbar-brand {
    font-weight: bold;
    font-size: 1.2rem;
}

.navbar-nav .nav-link {
    font-weight: 500;
    transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
}

/* Cards */
.card {
    border: none;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.card-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-bottom: none;
    font-weight: 600;
}

/* Buttons */
.btn {
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-primary {
    background: linear-gradient(45deg, #667eea, #764ba2);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(45deg, #5a6fd8, #6a4190);
}

/* Forms */
.form-control {
    border-radius: 8px;
    border: 2px solid #e9ecef;
    padding: 12px 15px;
    transition: all 0.3s ease;
}

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

.form-label {
    font-weight: 600;
    color: #495057;
    margin-bottom: 8px;
}

/* Tables */
.table {
    background: white;
    border-radius: 8px;
    overflow: hidden;
}

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

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

/* Alerts */
.alert {
    border: none;
    border-radius: 8px;
    font-weight: 500;
}

.alert-success {
    background: linear-gradient(135deg, #28a745, #20c997);
    color: white;
}

.alert-danger {
    background: linear-gradient(135deg, #dc3545, #e83e8c);
    color: white;
}

.alert-warning {
    background: linear-gradient(135deg, #ffc107, #fd7e14);
    color: #212529;
}

.alert-info {
    background: linear-gradient(135deg, #17a2b8, #6f42c1);
    color: white;
}

/* Statistics Cards */
.stats-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
}

.stats-card .stats-icon {
    font-size: 3rem;
    opacity: 0.8;
}

.stats-card .stats-number {
    font-size: 2rem;
    font-weight: bold;
}

/* Quick Actions */
.quick-action-btn {
    height: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.quick-action-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.quick-action-btn i {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px 0;
    margin-top: 50px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar-brand {
        font-size: 1rem;
    }
    
    .stats-card .stats-number {
        font-size: 1.5rem;
    }
    
    .quick-action-btn {
        height: 100px;
    }
    
    .quick-action-btn i {
        font-size: 2rem;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .footer,
    .btn,
    .no-print {
        display: none !important;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #dee2e6;
    }
    
    body {
        background: white;
    }
}

/* Loading Spinner */
.spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Validation Styles */
.field-validation-error {
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: 5px;
}

.input-validation-error {
    border-color: #dc3545;
}

.validation-summary-errors {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 15px;
}

/* Currency Display */
.currency {
    font-weight: bold;
    color: #28a745;
}

.currency.negative {
    color: #dc3545;
}

/* Status Badges */
.status-paid {
    background-color: #28a745;
}

.status-pending {
    background-color: #ffc107;
    color: #212529;
}

.status-overdue {
    background-color: #dc3545;
}

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus styles for keyboard navigation */
.btn:focus,
.form-control:focus,
.nav-link:focus {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}