/* Dabiryab Installment Teacher Dashboard Styles */

/* Installment Info Section */
.installment-info-section {
    background: linear-gradient(135deg, #e3f2fd 0%, #f3e5f5 100%);
    border: 1px solid #bbdefb;
    border-radius: 8px;
    padding: 15px;
    margin: 15px 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.installment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid #bbdefb;
}

.installment-header h4 {
    margin: 0;
    color: #1976d2;
    font-size: 16px;
    font-weight: 600;
}

.installment-badge {
    background: #1976d2;
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

/* Installment Details */
.installment-details {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.installment-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 10px;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 4px;
    border: 1px solid #e1f5fe;
}

.summary-item .label {
    font-weight: 500;
    color: #424242;
    font-size: 13px;
}

.summary-item .value {
    font-weight: 600;
    color: #1976d2;
    font-size: 14px;
}

/* Installment Payments Summary */
.installment-payments-summary h5 {
    margin: 0 0 10px 0;
    color: #424242;
    font-size: 14px;
    font-weight: 600;
}

.payments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
}

.payment-summary-item {
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    padding: 10px;
    text-align: center;
    transition: all 0.3s ease;
}

.payment-summary-item.paid {
    border-left: 4px solid #4caf50;
    background: #f1f8e9;
}

.payment-summary-item.unpaid {
    border-left: 4px solid #ff9800;
    background: #fff3e0;
}

.payment-summary-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.payment-number {
    font-weight: 600;
    font-size: 14px;
    color: #333;
    margin-bottom: 5px;
}

.payment-amount {
    font-size: 12px;
    color: #666;
    margin-bottom: 8px;
}

.payment-status {
    margin-top: 5px;
}

.status-badge {
    padding: 3px 6px;
    border-radius: 3px;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
}

.status-badge.paid {
    background: #4caf50;
    color: white;
}

.status-badge.unpaid {
    background: #ff9800;
    color: white;
}

/* Installment Notes */
.installment-notes {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid #e1f5fe;
    border-radius: 4px;
    padding: 10px;
}

.installment-notes h5 {
    margin: 0 0 8px 0;
    color: #424242;
    font-size: 13px;
    font-weight: 600;
}

.installment-notes p {
    margin: 0;
    color: #666;
    font-size: 12px;
    line-height: 1.4;
}

/* Enhanced Card Styles for Installment Requests */
.dashboard-card.installment-request {
    border-left: 4px solid #1976d2;
    background: linear-gradient(135deg, #f8f9fa 0%, #e3f2fd 100%);
}

.dashboard-card.installment-request .card-header {
    background: linear-gradient(135deg, #1976d2 0%, #1565c0 100%);
    color: white;
}

.dashboard-card.installment-request .card-header h3 {
    color: white;
}

.dashboard-card.installment-request .card-header .request-meta {
    color: rgba(255, 255, 255, 0.9);
}

/* Session Management for Installments */
.installment-session-info {
    background: #f5f5f5;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    padding: 10px;
    margin: 10px 0;
}

.installment-session-info h6 {
    margin: 0 0 8px 0;
    color: #424242;
    font-size: 13px;
    font-weight: 600;
}

.session-installment-mapping {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 8px;
    font-size: 11px;
}

.session-installment-item {
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 3px;
    padding: 6px 8px;
    text-align: center;
}

.session-installment-item.paid {
    background: #e8f5e8;
    border-color: #4caf50;
}

.session-installment-item.unpaid {
    background: #fff3e0;
    border-color: #ff9800;
}

/* Responsive Design */
@media (max-width: 768px) {
    .installment-summary {
        grid-template-columns: 1fr;
    }
    
    .payments-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }
    
    .installment-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .summary-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
    
    .summary-item .label,
    .summary-item .value {
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .installment-info-section {
        padding: 12px;
        margin: 10px 0;
    }
    
    .payments-grid {
        grid-template-columns: 1fr;
    }
    
    .payment-summary-item {
        padding: 8px;
    }
    
    .payment-number {
        font-size: 13px;
    }
    
    .payment-amount {
        font-size: 11px;
    }
}

/* Animation for status changes */
.payment-summary-item.status-updating {
    animation: pulse 1s ease-in-out;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* Enhanced visual feedback */
.installment-info-section.loading {
    opacity: 0.6;
    pointer-events: none;
    position: relative;
}

.installment-info-section.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #1976d2;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Integration with existing teacher dashboard styles */
.dashboard-card .installment-info-section {
    margin: 10px 0 0 0;
    border-radius: 6px;
}

.dashboard-card.installment-request .installment-info-section {
    background: linear-gradient(135deg, #e8f5e8 0%, #f3e5f5 100%);
    border-color: #4caf50;
}

/* Print styles */
@media print {
    .installment-info-section {
        background: white !important;
        border: 1px solid #000 !important;
        box-shadow: none !important;
    }
    
    .installment-badge {
        background: #000 !important;
        color: white !important;
    }
    
    .status-badge.paid {
        background: #000 !important;
        color: white !important;
    }
    
    .status-badge.unpaid {
        background: #666 !important;
        color: white !important;
    }
}