/* Modern iOS/macOS Style Expense Report CSS */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    color: #1d1d1f;
    line-height: 1.5;
}

:root {
    --expense-primary: #007AFF;
    --expense-secondary: #00c875;
    --expense-success: #28a745;
    --expense-warning: #ffc107;
    --expense-danger: #dc3545;
    --expense-light: #f8f9fa;
    --expense-dark: #1d1d1f;
    --expense-border: rgba(255, 255, 255, 0.2);
    --expense-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    --expense-shadow-light: 0 2px 10px rgba(0, 0, 0, 0.05);
    --expense-border-radius: 16px;
    --expense-border-radius-small: 12px;
}

/* Mobile Navigation Menu Toggle */
.nav-menu-toggle {
    position: relative;
    z-index: 100000;
    background: transparent;
    border: none;
    width: 44px;
    height: 44px;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-right: 16px;
}

.nav-menu-toggle:hover {
    background: transparent;
    transform: scale(1.05);
}

.hamburger {
    display: flex;
    flex-direction: column;
    gap: 4px;
    width: 20px;
    height: 16px;
}

.hamburger span {
    width: 100%;
    height: 2px;
    background: #1d1d1f;
    border-radius: 1px;
    transition: all 0.3s ease;
}

.nav-menu-toggle.active .hamburger span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-menu-toggle.active .hamburger span:nth-child(2) {
    opacity: 0;
}

.nav-menu-toggle.active .hamburger span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Main Content Area */
.content-area {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--expense-border);
    border-radius: var(--expense-border-radius);
    box-shadow: var(--expense-shadow);
    padding: 24px;
    margin-top: 20px;
}

.content-area h2 {
    color: var(--expense-dark);
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 24px;
}

/* Header Bar */
.expense-header-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--expense-border);
    color: var(--expense-dark);
    padding: 20px 24px;
    border-radius: var(--expense-border-radius-small);
    margin-bottom: 20px;
    box-shadow: var(--expense-shadow-light);
}

.expense-total {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.expense-total span:first-child {
    font-size: 0.875rem;
    color: #8e8e93;
    font-weight: 500;
}

.expense-total-amount {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--expense-primary);
}

.expense-add-btn {
    background: var(--expense-primary);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.expense-add-btn:hover {
    background: #0056CC;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.3);
}

.expense-add-btn i {
    font-size: 14px;
}

/* Statistics Cards */
.expense-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 20px;
    border-radius: var(--expense-border-radius-small);
    border: 1px solid var(--expense-border);
    box-shadow: var(--expense-shadow-light);
    transition: all 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-1px);
    box-shadow: var(--expense-shadow);
}

.stat-card h3 {
    color: #8e8e93;
    font-size: 0.875rem;
    margin-bottom: 8px;
    font-weight: 500;
}

.stat-card .stat-value {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--expense-dark);
}

.stat-card.success {
    border-left-color: var(--expense-success);
}

.stat-card.success .stat-value {
    color: var(--expense-success);
}

.stat-card.warning {
    border-left-color: var(--expense-warning);
}

.stat-card.warning .stat-value {
    color: var(--expense-warning);
}


/* Time Period Filter */
.time-period-filter {
    margin-bottom: 20px;
}

.period-selector {
    display: flex;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 4px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.3);
    gap: 4px;
    flex-wrap: wrap;
}

.period-btn {
    padding: 8px 16px;
    font-size: 12px;
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.05);
    color: #8e8e93;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
    white-space: nowrap;
}

.period-btn:hover {
    background: rgba(0, 122, 255, 0.1);
    color: var(--expense-primary);
}

.period-btn.active {
    background: var(--expense-primary);
    color: white;
    border-color: var(--expense-primary);
    font-weight: 600;
}

/* Table Styles */
.expense-list-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--expense-border-radius);
    overflow: hidden;
    box-shadow: var(--expense-shadow);
    border: 1px solid var(--expense-border);
    margin-bottom: 24px;
}

.expense-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.expense-table thead {
    background: linear-gradient(135deg, rgba(0, 122, 255, 0.08), rgba(88, 86, 214, 0.08));
}

.expense-table th {
    padding: 16px 12px;
    text-align: left;
    font-weight: 600;
    color: var(--expense-dark);
    font-size: 0.875rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    letter-spacing: 0.3px;
}

.expense-table td {
    padding: 16px 12px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    vertical-align: middle;
}

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

.expense-table tbody tr:hover {
    background-color: rgba(0, 115, 234, 0.05);
}

.expense-table tbody tr:last-child td {
    border-bottom: none;
}

/* Receipt Image */
.expense-receipt-img {
    width: 48px;
    height: 48px;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.expense-receipt-img:hover {
    transform: scale(1.05);
    border-color: var(--expense-primary);
    box-shadow: 0 2px 8px rgba(0, 122, 255, 0.2);
}

/* Amount Display */
.expense-amount {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--expense-success);
}

.expense-amount.negative {
    color: var(--expense-danger);
}

/* Tags */
.expense-tag {
    display: inline-block;
    background: rgba(0, 122, 255, 0.1);
    color: var(--expense-primary);
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
    margin: 1px;
    border: 1px solid rgba(0, 122, 255, 0.2);
}

.expense-tag[data-tag="Supplies"] {
    background: rgba(23, 162, 184, 0.1);
    color: #17a2b8;
    border-color: rgba(23, 162, 184, 0.2);
}

.expense-tag[data-tag="Gas"] {
    background: rgba(253, 126, 20, 0.1);
    color: #fd7e14;
    border-color: rgba(253, 126, 20, 0.2);
}

.expense-tag[data-tag="Meals"] {
    background: rgba(40, 167, 69, 0.1);
    color: #28a745;
    border-color: rgba(40, 167, 69, 0.2);
}

.expense-tag[data-tag="Equipment"] {
    background: rgba(111, 66, 193, 0.1);
    color: #6f42c1;
    border-color: rgba(111, 66, 193, 0.2);
}

.expense-tag[data-tag="Other"] {
    background: rgba(108, 117, 125, 0.1);
    color: #6c757d;
    border-color: rgba(108, 117, 125, 0.2);
}

/* Notes */
.expense-notes {
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--expense-dark);
    font-style: italic;
}

/* Action Buttons */
.action-btn {
    background: rgba(0, 0, 0, 0.05);
    border: none;
    padding: 6px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    color: #8e8e93;
    margin: 0 2px;
    font-size: 0.875rem;
}

.action-btn:hover {
    background: rgba(0, 0, 0, 0.1);
    transform: translateY(-1px);
}

.delete-expense-btn:hover {
    color: var(--expense-danger);
    background: rgba(220, 53, 69, 0.1);
}

.edit-expense-btn:hover {
    color: var(--expense-primary);
    background: rgba(0, 122, 255, 0.1);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 999999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
}

.expense-modal-content {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    margin: 2% auto;
    padding: 0;
    border-radius: var(--expense-border-radius);
    width: 90%;
    max-width: 600px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease;
    overflow: hidden;
    border: 1px solid var(--expense-border);
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    background: linear-gradient(135deg, rgba(0, 122, 255, 0.08), rgba(88, 86, 214, 0.08));
    padding: 20px 24px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--expense-dark);
}

.close-modal {
    background: rgba(0, 0, 0, 0.05);
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    color: #8e8e93;
    font-size: 1rem;
}

.close-modal:hover {
    background: rgba(0, 0, 0, 0.1);
    color: var(--expense-dark);
}

.modal-body {
    padding: 16px 24px 24px 24px;
}

/* Form Styles */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--expense-dark);
    font-size: 0.875rem;
}

.form-row {
    display: flex;
    gap: 24px;
    margin-bottom: 28px;
}

.form-group.half-width {
    flex: 1;
    margin-bottom: 0;
}

/* Input with Icon */
.input-with-icon {
    position: relative;
}

.input-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #666;
    font-weight: 600;
    z-index: 2;
}

.input-with-icon input {
    padding-left: 35px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    font-size: 0.875rem;
    transition: all 0.2s ease;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-sizing: border-box;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--expense-primary);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    font-family: inherit;
}

/* Category Buttons */
.category-buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    margin-top: 8px;
}

.category-buttons input[type="radio"] {
    display: none;
}

.category-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 8px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    text-align: center;
    font-size: 0.8rem;
    font-weight: 500;
}

.category-btn:hover {
    border-color: var(--expense-primary);
    background: rgba(0, 122, 255, 0.05);
}

.category-buttons input[type="radio"]:checked + .category-btn {
    border-color: var(--expense-primary);
    background: var(--expense-primary);
    color: white;
}

.category-icon {
    font-size: 1.2rem;
    margin-bottom: 4px;
}

/* File Upload Simple */
.file-upload-simple {
    margin-top: 8px;
}

.upload-btn {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px dashed rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    padding: 16px 20px;
    width: 100%;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.875rem;
    color: #8e8e93;
}

.upload-btn:hover {
    border-color: var(--expense-primary);
    background: rgba(0, 115, 234, 0.05);
    color: var(--expense-primary);
}

.upload-btn.has-file {
    border-color: var(--expense-success);
    background: rgba(40, 167, 69, 0.05);
    color: var(--expense-success);
}

/* Modal Actions */
.modal-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.cancel-btn {
    flex: 1;
    background: rgba(0, 0, 0, 0.05);
    color: var(--expense-dark);
    border: 1px solid rgba(0, 0, 0, 0.1);
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.cancel-btn:hover {
    background: rgba(0, 0, 0, 0.1);
}

.submit-btn {
    flex: 2;
    background: var(--expense-primary);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.submit-btn:hover {
    background: #0056CC;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.3);
}

/* File Upload */
.file-upload-area {
    border: 2px dashed var(--expense-border);
    border-radius: var(--expense-border-radius-small);
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    background: var(--expense-light);
}

.file-upload-area:hover {
    border-color: var(--expense-primary);
    background: rgba(0, 115, 234, 0.05);
}

.file-upload-area.dragover {
    border-color: var(--expense-success);
    background: rgba(40, 167, 69, 0.1);
}

.file-upload-icon {
    font-size: 3rem;
    color: var(--expense-primary);
    margin-bottom: 15px;
}

.file-upload-text {
    font-size: 1.1rem;
    color: var(--expense-dark);
    margin-bottom: 10px;
}

.file-upload-hint {
    font-size: 0.9rem;
    color: #6c757d;
}

/* Receipt Preview */
.expense-receipt-preview {
    max-width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--expense-border-radius-small);
    margin-top: 15px;
    border: 2px solid var(--expense-border);
}

/* Submit Button */
.submit-btn {
    background: linear-gradient(135deg, var(--expense-success), #1e7e34);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: var(--expense-border-radius-small);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    margin-top: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.submit-btn:hover {
    background: linear-gradient(135deg, #1e7e34, #155724);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(40, 167, 69, 0.3);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: #8e8e93;
}

.empty-state-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--expense-dark);
}

.empty-state-text {
    font-size: 0.875rem;
    margin-bottom: 24px;
    color: #8e8e93;
}

.empty-state-btn {
    background: var(--expense-primary);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.empty-state-btn:hover {
    background: #0056CC;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.3);
}

/* Employee Payroll Section */
.employee-payroll-section {
    margin-top: 24px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--expense-border-radius);
    padding: 24px;
    box-shadow: var(--expense-shadow);
    border: 1px solid var(--expense-border);
}

.employee-payroll-section h3 {
    color: var(--expense-dark);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 20px;
    text-align: left;
}

.employee-cards-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.employee-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--expense-border-radius-small);
    padding: 16px 20px;
    border: 1px solid var(--expense-border);
    box-shadow: var(--expense-shadow-light);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.employee-card:hover {
    transform: translateY(-1px);
    box-shadow: var(--expense-shadow);
}

.employee-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
}

.employee-avatar {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--expense-primary) 0%, #0056d6 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 1rem;
    flex-shrink: 0;
}

.employee-info h4 {
    color: var(--expense-dark);
    font-size: 0.875rem;
    font-weight: 600;
    margin: 0 0 2px 0;
}

.employee-role {
    color: #8e8e93;
    font-size: 0.75rem;
    margin: 0;
}

.employee-pay-stats {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-shrink: 0;
}

.pay-stat {
    text-align: center;
    min-width: 80px;
}

.pay-stat-label {
    font-size: 0.6875rem;
    color: #8e8e93;
    font-weight: 500;
    margin-bottom: 2px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pay-stat-value {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--expense-primary);
}

.employee-card.no-employees {
    justify-content: center;
    text-align: center;
    padding: 40px 20px;
    color: #8e8e93;
}

.employee-card.no-employees h4 {
    color: var(--expense-dark);
    margin-bottom: 8px;
}

/* Overview Section */
.expense-overview-section {
    margin-top: 24px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--expense-border-radius);
    padding: 24px;
    box-shadow: var(--expense-shadow);
    border: 1px solid var(--expense-border);
}

.expense-overview-section h3 {
    color: var(--expense-dark);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 20px;
    text-align: left;
}

/* Chart Container */
.chart-container {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--expense-border-radius-small);
    padding: 20px;
    margin-top: 20px;
    box-shadow: var(--expense-shadow-light);
    border: 1px solid var(--expense-border);
}

.chart-container h3 {
    color: var(--expense-dark);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 16px;
    text-align: left;
}

#expenseChart {
    max-height: 400px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .content-area {
        padding: 16px;
        margin-top: 16px;
    }
    
    .expense-header-bar {
        flex-direction: column;
        gap: 16px;
        text-align: center;
        padding: 16px;
    }
    
    
    .expense-table {
        font-size: 0.8rem;
    }
    
    .expense-table th,
    .expense-table td {
        padding: 8px 6px;
    }
    
    .expense-receipt-img {
        width: 32px;
        height: 32px;
    }
    
    .expense-notes {
        max-width: 80px;
    }
    
    .expense-stats {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .expense-modal-content {
        width: 95%;
        margin: 5% auto;
    }
    
    .modal-body {
        padding: 16px;
    }
    
    .category-buttons {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .employee-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .employee-card-header {
        width: 100%;
    }
    
    .employee-pay-stats {
        width: 100%;
        justify-content: space-between;
        gap: 12px;
    }
    
    .pay-stat {
        min-width: 70px;
    }
    
    .employee-payroll-section {
        padding: 16px;
        margin-top: 16px;
    }
    
    .period-selector {
        overflow-x: auto;
        scrollbar-width: none;
        -ms-overflow-style: none;
        padding: 4px;
    }
    
    .period-selector::-webkit-scrollbar {
        display: none;
    }
    
    .period-btn {
        flex-shrink: 0;
        padding: 6px 12px;
        font-size: 11px;
    }
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--expense-primary);
    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); }
}

/* Success/Error Messages */
.message {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-weight: 500;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 8px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.message.success {
    background: rgba(40, 167, 69, 0.1);
    border: 1px solid rgba(40, 167, 69, 0.2);
    color: var(--expense-success);
}

.message.error {
    background: rgba(220, 53, 69, 0.1);
    border: 1px solid rgba(220, 53, 69, 0.2);
    color: var(--expense-danger);
}

.message i {
    font-size: 1rem;
}