/* ============================================================================
   Expenses & Payments Management - Styles
   ============================================================================ */

:root {
    --primary-color: #4CAF50;
    --secondary-color: #2196F3;
    --danger-color: #f44336;
    --warning-color: #ff9800;
    --success-color: #4CAF50;
    --info-color: #2196F3;
    --light-gray: #f5f5f5;
    --medium-gray: #e0e0e0;
    --dark-gray: #424242;
    --text-primary: #212121;
    --text-secondary: #757575;
    --border-color: #e0e0e0;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
}

/* ============================================================================
   Tabs Navigation
   ============================================================================ */

.expense-tabs {
    display: flex;
    gap: 8px;
    padding: 20px;
    background: white;
    border-bottom: 2px solid var(--border-color);
    flex-wrap: wrap;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.tab-btn {
    padding: 10px 16px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    border-bottom: 3px solid transparent;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.tab-btn:hover {
    color: var(--primary-color);
    background: var(--light-gray);
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-btn i {
    margin-right: 6px;
}

/* ============================================================================
   Tabs Content
   ============================================================================ */

.expense-tabs-content {
    padding: 20px;
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================================================
   Form Styles
   ============================================================================ */

.expense-form-container {
    background: white;
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 0;
}

.expense-form {
    padding: 0;
}

.form-section {
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
}

.form-section:last-child {
    border-bottom: none;
}

.form-section h3 {
    margin: 0 0 20px 0;
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-section h3 i {
    color: var(--primary-color);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.form-row:last-child {
    margin-bottom: 0;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 14px;
    color: var(--text-primary);
}

.form-group label:after {
    content: '';
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.readonly-field {
    background: var(--light-gray);
    color: var(--text-secondary);
    cursor: not-allowed;
}

.readonly-field:focus {
    border-color: var(--border-color);
    box-shadow: none;
}

.total-field {
    background: #fff3e0;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 15px;
}

.total-label {
    font-weight: 600;
    color: var(--primary-color);
}

/* ============================================================================
   File Upload
   ============================================================================ */

.file-upload-area {
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--light-gray);
    margin-bottom: 15px;
}

.file-upload-area:hover {
    border-color: var(--primary-color);
    background: #f0f8f5;
}

.file-upload-area i {
    font-size: 32px;
    color: var(--primary-color);
    display: block;
    margin-bottom: 10px;
}

.file-upload-area p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 14px;
}

.attachment-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 12px;
}

.attachment-item {
    background: var(--light-gray);
    padding: 12px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
}

.attachment-item i {
    color: var(--primary-color);
    font-size: 18px;
}

.attachment-item .remove-btn {
    margin-left: auto;
    background: var(--danger-color);
    color: white;
    border: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    padding: 0;
}

/* ============================================================================
   Form Actions
   ============================================================================ */

.form-actions {
    padding: 24px;
    background: var(--light-gray);
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    border-top: 1px solid var(--border-color);
}

.btn {
    padding: 10px 16px;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

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

.btn-primary:hover {
    background: #45a049;
    box-shadow: var(--shadow);
}

.btn-secondary {
    background: var(--medium-gray);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: #d0d0d0;
}

.btn-success {
    background: #4CAF50;
    color: white;
}

.btn-success:hover {
    background: #3d8b40;
}

.btn-danger {
    background: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background: #da190b;
}

.btn-info {
    background: var(--info-color);
    color: white;
}

.btn-warning {
    background: var(--warning-color);
    color: white;
}

/* ============================================================================
   Approval & Payment Containers
   ============================================================================ */

.approval-container,
.payment-container,
.expense-list-container {
    background: white;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.approval-filters,
.payment-filters,
.list-filters,
.audit-filters {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.approval-filters h3,
.payment-filters h3,
.list-filters h3,
.audit-filters h3 {
    margin: 0 0 15px 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.filter-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.filter-row input,
.filter-row select {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 13px;
    flex: 1;
    min-width: 150px;
}

.filter-row input:focus,
.filter-row select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.filter-row .btn {
    white-space: nowrap;
}

/* ============================================================================
   Approval List
   ============================================================================ */

.approval-list,
.payment-list {
    padding: 20px;
    max-height: calc(100vh - 400px);
    overflow-y: auto;
}

.approval-item,
.payment-item {
    background: var(--light-gray);
    border-left: 4px solid var(--primary-color);
    padding: 16px;
    margin-bottom: 12px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.approval-item:hover,
.payment-item:hover {
    box-shadow: var(--shadow);
    transform: translateX(4px);
}

.approval-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.approval-item-header h4 {
    margin: 0;
    font-size: 15px;
    color: var(--text-primary);
}

.status-badge {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.status-draft {
    background: #e3f2fd;
    color: var(--info-color);
}

.status-submitted {
    background: #fff3e0;
    color: var(--warning-color);
}

.status-approved {
    background: #e8f5e9;
    color: var(--success-color);
}

.status-rejected {
    background: #ffebee;
    color: var(--danger-color);
}

.status-paid {
    background: #c8e6c9;
    color: #2e7d32;
}

.status-unpaid {
    background: #ffcccc;
    color: #c62828;
}

.status-partially-paid {
    background: #ffe0b2;
    color: #e65100;
}

.status-overdue {
    background: #ffcccc;
    color: #c62828;
}

.approval-item-details,
.payment-item-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
    font-size: 13px;
    margin-bottom: 10px;
}

.detail-row {
    display: flex;
    justify-content: space-between;
}

.detail-label {
    color: var(--text-secondary);
    font-weight: 500;
}

.detail-value {
    color: var(--text-primary);
    font-weight: 600;
}

.approval-item-actions,
.payment-item-actions {
    display: flex;
    gap: 8px;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-small {
    padding: 6px 10px;
    font-size: 12px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.btn-small:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.btn-small i {
    font-size: 11px;
}

/* Payment Status Dropdown */
.payment-status-dropdown {
    padding: 6px 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: white;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 120px;
}

.payment-status-dropdown:hover {
    border-color: var(--primary-color);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.payment-status-dropdown:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
    font-size: 14px;
}

/* ============================================================================
   Data Tables
   ============================================================================ */

.table-responsive {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.data-table thead {
    background: var(--light-gray);
    border-bottom: 2px solid var(--border-color);
}

.data-table th {
    padding: 12px;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
}

.data-table td {
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.data-table tbody tr:hover {
    background: var(--light-gray);
}

.data-table .empty-row td {
    text-align: center;
    color: var(--text-secondary);
}

.action-buttons {
    display: flex;
    gap: 6px;
}

.action-buttons .btn-sm {
    padding: 4px 8px;
    font-size: 11px;
}

/* ============================================================================
   Modal Styles
   ============================================================================ */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: white;
    border-radius: 8px;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.modal-content.large-modal {
    max-width: 900px;
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    font-size: 18px;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* ============================================================================
   Reports Styles
   ============================================================================ */

.reports-container {
    background: white;
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 20px;
}

.reports-controls {
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.reports-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.report-card {
    background: var(--light-gray);
    padding: 20px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.report-card h4 {
    margin: 0 0 16px 0;
    color: var(--text-primary);
    font-size: 15px;
    font-weight: 600;
}

.report-card canvas {
    border-radius: 4px;
}

.reports-tables {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.report-section {
    background: var(--light-gray);
    padding: 20px;
    border-radius: 8px;
}

.report-section h4 {
    margin: 0 0 16px 0;
    color: var(--text-primary);
    font-size: 15px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.report-section h4 i {
    color: var(--primary-color);
}

/* ============================================================================
   Audit Trail
   ============================================================================ */

.audit-container {
    background: white;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

/* ============================================================================
   Toast Notification
   ============================================================================ */

.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 16px 24px;
    border-radius: 4px;
    color: white;
    font-size: 14px;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease, slideOut 0.3s ease 4.7s;
    z-index: 2000;
}

.toast.success {
    background: var(--success-color);
}

.toast.error {
    background: var(--danger-color);
}

.toast.warning {
    background: var(--warning-color);
}

.toast.info {
    background: var(--info-color);
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(400px);
        opacity: 0;
    }
}

/* ============================================================================
   Payment Form
   ============================================================================ */

.payment-form {
    padding: 0;
}

.payment-form .form-section {
    padding: 0;
    border-bottom: none;
}

.payment-form .form-row:last-child {
    margin-bottom: 0;
}

/* ============================================================================
   Responsive Design
   ============================================================================ */

@media (max-width: 1024px) {
    .reports-grid {
        grid-template-columns: 1fr;
    }
    
    .expense-tabs {
        overflow-x: auto;
        overflow-y: hidden;
    }
}

@media (max-width: 768px) {
    .expense-tabs {
        padding: 12px;
    }
    
    .tab-btn {
        padding: 8px 12px;
        font-size: 12px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .filter-row {
        flex-direction: column;
    }
    
    .filter-row input,
    .filter-row select {
        min-width: 100%;
    }
    
    .data-table {
        font-size: 12px;
    }
    
    .data-table th,
    .data-table td {
        padding: 8px;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .form-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .modal-content {
        max-width: 95%;
        width: 95%;
    }
    
    .approval-item-details {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .tab-btn {
        padding: 6px 10px;
        font-size: 11px;
    }
    
    .form-section {
        padding: 16px 12px;
    }
    
    .form-section h3 {
        font-size: 14px;
        margin-bottom: 12px;
    }
    
    .modal-content {
        width: 100%;
        height: 100%;
        border-radius: 0;
        max-height: 100%;
    }
    
    .btn {
        font-size: 12px;
        padding: 8px 12px;
    }
}

/* ============================================================================
   Master Data Management Styles
   ============================================================================ */

.master-data-container {
    padding: 20px;
}

.master-data-section {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.master-data-card {
    background: white;
    border-radius: 8px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.master-data-card .card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.master-data-card .card-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.master-data-card .card-header h3 i {
    font-size: 20px;
}

.master-data-card .table-responsive {
    padding: 20px;
}

/* Modal Styles for Vendor and Bank */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9999;
    justify-content: center;
    align-items: center;
    overflow-y: auto;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 12px;
    width: 90%;
    max-width: 700px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    margin: 20px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 12px 12px 0 0;
}

.modal-header h3 {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
}

.modal-close {
    background: transparent;
    border: none;
    font-size: 28px;
    color: white;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 20px 24px;
    border-top: 1px solid var(--border-color);
    background: var(--light-gray);
}

/* Form Full Width */
.form-group.full-width {
    grid-column: 1 / -1;
}

/* Status Badge Enhanced */
.status-badge.status-active {
    background: var(--success-color);
    color: white;
}

.status-badge.status-inactive {
    background: var(--danger-color);
    color: white;
}

/* Button Small Variant */
.btn.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

/* Empty Row */
.empty-row td {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
    font-style: italic;
}

/* Additional Responsive Styles */
@media (max-width: 768px) {
    .master-data-card .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .modal-content {
        width: 95%;
        max-width: 95%;
        margin: 10px;
    }
}