/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #007AFF;
    --secondary-color: #5856D6;
    --success-color: #34C759;
    --warning-color: #FF9500;
    --error-color: #FF3B30;
    --background-color: #F2F2F7;
    --surface-color: #FFFFFF;
    --text-primary: #000000;
    --text-secondary: #8E8E93;
    --border-color: #E5E5EA;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --border-radius: 10px;
    --transition: all 0.3s ease;
}

@media (prefers-color-scheme: dark) {
    :root {
        --background-color: #000000;
        --surface-color: #1C1C1E;
        --text-primary: #FFFFFF;
        --text-secondary: #8E8E93;
        --border-color: #38383A;
    }
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--surface-color);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-content {
    text-align: center;
}

.app-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 1rem auto;
}

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

/* Main App Layout */
.main-app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    max-width: 428px;
    margin: 0 auto;
    background: var(--surface-color);
    box-shadow: var(--shadow);
}

/* Header */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.app-header h1 {
    font-size: 1.5rem;
    font-weight: 600;
}

.header-actions {
    display: flex;
    gap: 0.5rem;
}

.header-btn {
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background: var(--background-color);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.header-btn:hover {
    transform: scale(1.05);
}

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

/* Main Content */
.main-content {
    flex: 1;
    overflow-y: auto;
    padding-bottom: 80px;
}

.view {
    display: none;
    padding: 1rem;
}

.view.active {
    display: block;
}

/* View Mode Selector */
.view-mode-selector {
    display: flex;
    background: var(--background-color);
    border-radius: var(--border-radius);
    padding: 4px;
    margin-bottom: 1rem;
}

.view-mode-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem;
    border: none;
    border-radius: calc(var(--border-radius) - 4px);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
    font-weight: 500;
}

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

/* Transaction List */
.transaction-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.transaction-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--surface-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: var(--transition);
}

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

.transaction-info {
    flex: 1;
}

.transaction-category {
    font-weight: 600;
    margin-bottom: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.transaction-date {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.transaction-amount {
    font-weight: 600;
    font-size: 1.1rem;
}

.transaction-amount.expense {
    color: var(--error-color);
}

.transaction-amount.income {
    color: var(--success-color);
}

/* Calendar */
.calendar-container {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--primary-color);
    color: white;
}

.calendar-nav {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: var(--transition);
}

.calendar-nav:hover {
    background: rgba(255, 255, 255, 0.2);
}

.calendar-grid {
    padding: 1rem;
}

.weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.weekday {
    text-align: center;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    padding: 0.5rem;
}

.calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.25rem;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    min-height: 50px;
}

.calendar-day:hover {
    background: var(--background-color);
}

.calendar-day.selected {
    background: var(--primary-color);
    color: white;
}

.calendar-day.today {
    background: var(--primary-color);
    color: white;
    opacity: 0.7;
}

.calendar-day.other-month {
    color: var(--text-secondary);
    opacity: 0.5;
}

.calendar-day-number {
    font-weight: 500;
    margin-bottom: 2px;
}

.transaction-dots {
    display: flex;
    gap: 2px;
    flex-wrap: wrap;
    justify-content: center;
}

.transaction-dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--primary-color);
}

.selected-date-transactions {
    border-top: 1px solid var(--border-color);
    padding: 1rem;
    max-height: 300px;
    overflow-y: auto;
}

.selected-date-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.selected-date-title {
    font-weight: 600;
}

.selected-date-total {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Charts */
.data-type-selector {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.data-type-btn {
    flex: 1;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--surface-color);
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
}

.data-type-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.chart-selector {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.chart-btn {
    flex: 1;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--surface-color);
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
}

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

.chart-container {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chart-error, .empty-chart {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
}

.chart-error .error-icon, .empty-chart .empty-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.chart-error .error-message, .empty-chart .empty-message {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.chart-error .retry-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 1rem;
}

.chart-error .retry-btn:hover {
    background: var(--primary-dark);
}

.chart-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

/* Fund Sources */
.fundsources-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.fundsource-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--surface-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.fundsource-info {
    flex: 1;
}

.fundsource-name {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.fundsource-type {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.fundsource-balance {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--success-color);
}

/* Settings */
.settings-sections {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.settings-section h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
}

.settings-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--surface-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 0.5rem;
}

.settings-item:hover {
    background: var(--background-color);
}

.settings-item .icon {
    font-size: 1.2rem;
}

.settings-item .arrow {
    margin-left: auto;
    color: var(--text-secondary);
}

.settings-item .value {
    margin-left: auto;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Bottom Navigation */
.bottom-nav {
    display: flex;
    background: var(--surface-color);
    border-top: 1px solid var(--border-color);
    padding: 0.5rem 0;
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 428px;
    z-index: 100;
}

.nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem;
    border: none;
    background: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.nav-item.active {
    color: var(--primary-color);
}

.nav-item .icon {
    font-size: 1.5rem;
}

.nav-item .label {
    font-size: 0.75rem;
    font-weight: 500;
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    width: 100%;
    max-width: 400px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

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

.modal-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
}

.close-btn {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 50%;
    background: var(--background-color);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.modal-body {
    padding: 1rem;
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--surface-color);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.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(0, 122, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

/* Transaction Type Radio Buttons */
.transaction-type-group {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 0.5rem;
    padding: 0.5rem 0;
}

.transaction-type-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    min-height: 44px; /* Minimum touch target size for mobile */
    flex: 1;
    justify-content: center;
}

.transaction-type-option:hover {
    background: var(--background-color);
}

.transaction-type-option input[type="radio"] {
    width: 20px;
    height: 20px;
    margin: 0;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.transaction-type-option label {
    margin: 0;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    user-select: none;
}

.transaction-type-option input[type="radio"]:checked + label {
    color: var(--primary-color);
    font-weight: 600;
}

/* Enhanced mobile touch targets */
@media (max-width: 480px) {
    .transaction-type-group {
        gap: 1rem;
        flex-direction: column;
    }
    
    .transaction-type-option {
        min-height: 48px; /* Larger touch target for mobile */
        padding: 0.75rem;
        border: 1px solid var(--border-color);
        background: var(--surface-color);
        justify-content: flex-start;
    }
    
    .transaction-type-option:hover,
    .transaction-type-option:focus-within {
        background: var(--background-color);
        border-color: var(--primary-color);
    }
    
    .transaction-type-option input[type="radio"]:checked {
        accent-color: var(--primary-color);
    }
}

.form-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

/* Buttons */
.btn {
    flex: 1;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

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

.btn.primary:hover {
    background: #0056CC;
}

.btn.secondary {
    background: var(--background-color);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn.secondary:hover {
    background: var(--border-color);
}

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

.btn.danger:hover {
    background: #D70015;
}

/* Utilities */
.text-center {
    text-align: center;
}

.text-success {
    color: var(--success-color);
}

.text-error {
    color: var(--error-color);
}

.text-warning {
    color: var(--warning-color);
}

.hidden {
    display: none !important;
}

/* Responsive Design */
@media (max-width: 480px) {
    .main-app {
        max-width: 100%;
    }
    
    .bottom-nav {
        max-width: 100%;
    }
    
    .modal-content {
        margin: 0;
        border-radius: 0;
        height: 100vh;
        max-height: 100vh;
    }
}

/* PWA specific styles */
@media (display-mode: standalone) {
    .app-header {
        padding-top: env(safe-area-inset-top, 1rem);
    }
    
    .bottom-nav {
        padding-bottom: env(safe-area-inset-bottom, 0.5rem);
    }
}

/* Enhanced Button Feedback and Animations */
.btn {
    position: relative;
    overflow: hidden;
    transform: translateZ(0);
}

.btn:active {
    transform: scale(0.98);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* Button ripple effect */
.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s;
    pointer-events: none;
}

.btn:active::before {
    width: 300px;
    height: 300px;
}

.btn.primary::before {
    background: rgba(255, 255, 255, 0.3);
}

.btn.secondary::before {
    background: rgba(0, 0, 0, 0.1);
}

.btn.danger::before {
    background: rgba(255, 255, 255, 0.3);
}

/* Enhanced Interactive Elements */
.header-btn,
.nav-item,
.transaction-item,
.fundsource-item,
.settings-item {
    position: relative;
    transform: translateZ(0);
}

.header-btn:active,
.nav-item:active {
    transform: scale(0.95);
}

.transaction-item:active,
.fundsource-item:active {
    transform: translateY(-1px) scale(0.99);
}

/* Loading States */
.btn.loading {
    color: transparent;
    pointer-events: none;
}

.btn.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin: -8px 0 0 -8px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.btn.primary.loading::after {
    border-top-color: white;
}

.btn.secondary.loading::after {
    border-top-color: var(--text-primary);
}

/* Enhanced Modal Animations */
.modal {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    transform: translateY(50px) scale(0.95);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal.active .modal-content {
    transform: translateY(0) scale(1);
}

/* Notification System Enhancements */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 12px 20px;
    border-radius: 8px;
    color: white;
    font-weight: 500;
    z-index: 10000;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    max-width: 300px;
    word-wrap: break-word;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(10px);
}

.notification.show {
    transform: translateX(0);
}

.notification-success {
    background: linear-gradient(135deg, #34C759, #30D158);
}

.notification-warning {
    background: linear-gradient(135deg, #FF9500, #FF9F0A);
}

.notification-error {
    background: linear-gradient(135deg, #FF3B30, #FF453A);
}

.notification-info {
    background: linear-gradient(135deg, #007AFF, #0A84FF);
}

/* Progress Indicators */
.progress-bar {
    width: 100%;
    height: 4px;
    background: var(--border-color);
    border-radius: 2px;
    overflow: hidden;
    margin: 1rem 0;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
    transition: width 0.3s ease;
    transform: translateX(-100%);
    animation: progressSlide 2s ease-in-out infinite;
}

@keyframes progressSlide {
    0% { transform: translateX(-100%); }
    50% { transform: translateX(0%); }
    100% { transform: translateX(100%); }
}

/* Form Field Enhancements */
.form-group {
    position: relative;
}

.form-group input,
.form-group select,
.form-group textarea {
    transition: all 0.3s ease;
    border: 2px solid var(--border-color);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
    transform: translateY(-1px);
}

.form-group.error input,
.form-group.error select,
.form-group.error textarea {
    border-color: var(--error-color);
    box-shadow: 0 0 0 3px rgba(255, 59, 48, 0.1);
}

.form-group.success input,
.form-group.success select,
.form-group.success textarea {
    border-color: var(--success-color);
    box-shadow: 0 0 0 3px rgba(52, 199, 89, 0.1);
}

/* Field validation indicators */
.form-group::after {
    content: '';
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.form-group.error::after {
    content: '⚠️';
    opacity: 1;
}

.form-group.success::after {
    content: '';
    opacity: 0;
}

/* Enhanced Error Messages */
.error-message {
    color: var(--error-color);
    font-size: 0.875rem;
    margin-top: 0.5rem;
    padding: 0.5rem;
    background: rgba(255, 59, 48, 0.1);
    border-radius: 6px;
    border-left: 3px solid var(--error-color);
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.error-message.show {
    opacity: 1;
    transform: translateY(0);
}

.success-message {
    color: var(--success-color);
    font-size: 0.875rem;
    margin-top: 0.5rem;
    padding: 0.5rem;
    background: rgba(52, 199, 89, 0.1);
    border-radius: 6px;
    border-left: 3px solid var(--success-color);
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.success-message.show {
    opacity: 1;
    transform: translateY(0);
}

/* Skeleton Loading States */
.skeleton {
    background: linear-gradient(90deg, var(--border-color) 25%, rgba(255, 255, 255, 0.5) 50%, var(--border-color) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: 4px;
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-text {
    height: 1rem;
    margin-bottom: 0.5rem;
}

.skeleton-text.short {
    width: 60%;
}

.skeleton-text.medium {
    width: 80%;
}

.skeleton-text.long {
    width: 100%;
}

/* Enhanced Hover States */
.transaction-item:hover,
.fundsource-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.settings-item:hover {
    transform: translateX(4px);
    background: var(--background-color);
}

/* Animation for smooth transitions */
.fade-in {
    animation: fadeIn 0.3s ease-in;
}

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

.slide-up {
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

.slide-down {
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from { transform: translateY(-100%); }
    to { transform: translateY(0); }
}

.bounce-in {
    animation: bounceIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes bounceIn {
    0% { transform: scale(0.3); opacity: 0; }
    50% { transform: scale(1.05); opacity: 0.8; }
    70% { transform: scale(0.9); opacity: 0.9; }
    100% { transform: scale(1); opacity: 1; }
}

/* Accessibility Improvements */
@media (prefers-reduced-motion: reduce) {
    .btn,
    .modal-content,
    .notification,
    .transaction-item,
    .fundsource-item,
    .settings-item,
    .form-group input,
    .form-group select,
    .form-group textarea {
        transition: none;
        animation: none;
    }
    
    .btn::before {
        display: none;
    }
}

/* Focus Indicators */
.btn:focus-visible,
.header-btn:focus-visible,
.nav-item:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .btn {
        border: 2px solid currentColor;
    }
    
    .notification {
        border: 2px solid white;
    }
    
    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
        border-width: 3px;
    }
}
/* Dele
te Button Styles */
.delete-btn {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: var(--transition);
    opacity: 0.6;
    margin-left: 8px;
}

.delete-btn:hover {
    opacity: 1;
    background-color: rgba(255, 59, 48, 0.1);
}

.delete-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.delete-btn:disabled:hover {
    background-color: transparent;
}

/* Transaction Actions */
.transaction-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.transaction-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    background: var(--surface-color);
    border-radius: var(--border-radius);
    margin-bottom: 8px;
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: var(--transition);
}

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

/* Fund Source Actions */
.fundsource-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.fundsource-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    background: var(--surface-color);
    border-radius: var(--border-radius);
    margin-bottom: 8px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.fundsource-item:not(.add-fundsource) {
    cursor: pointer;
}

.fundsource-item:not(.add-fundsource):hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

/* Confirmation Dialog Styles */
.confirm-dialog {
    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: 10000;
}

.confirm-content {
    background: var(--surface-color);
    padding: 24px;
    border-radius: var(--border-radius);
    max-width: 400px;
    width: 90%;
    text-align: center;
}

.confirm-message {
    margin-bottom: 20px;
    line-height: 1.5;
}

.confirm-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.confirm-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

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

.confirm-btn.cancel {
    background-color: var(--border-color);
    color: var(--text-primary);
}

.confirm-btn:hover {
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .transaction-actions,
    .fundsource-actions {
        flex-direction: column;
        align-items: flex-end;
        gap: 4px;
    }
    
    .delete-btn {
        font-size: 1rem;
        padding: 6px;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    .delete-btn,
    .transaction-item,
    .fundsource-item {
        transition: none;
    }
}

/* Focus styles for keyboard navigation */
.delete-btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.transaction-item:focus,
.fundsource-item:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}
/* 
Subcategory Management Styles */
.category-section {
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--surface-color);
}

.category-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--background-color);
    border-bottom: 1px solid var(--border-color);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.category-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.category-icon {
    font-size: 1.2rem;
}

.category-name {
    font-weight: 600;
    font-size: 1rem;
}

.subcategory-count {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.subcategory-items {
    padding: 0.5rem;
}

.subcategory-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    background: var(--background-color);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.subcategory-info {
    flex: 1;
}

.subcategory-name {
    font-weight: 500;
    margin-bottom: 0.25rem;
    display: block;
}

.usage-count {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.subcategory-actions {
    display: flex;
    gap: 0.5rem;
}

.no-subcategories {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    font-style: italic;
}

.add-subcategory-btn {
    white-space: nowrap;
}

/* Button Styles */
.btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
}

.btn.small {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
}

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

.btn.primary:hover {
    background: #0056CC;
}

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

.btn.secondary:hover {
    background: #D1D1D6;
}

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

.btn.danger:hover {
    background: #D70015;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Transaction Type Group Styles */
.transaction-type-group {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
}

.transaction-type-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    flex: 1;
    justify-content: center;
}

.transaction-type-option:hover {
    border-color: var(--primary-color);
}

.transaction-type-option input[type="radio"] {
    margin: 0;
}

.transaction-type-option input[type="radio"]:checked + label,
.transaction-type-option:has(input[type="radio"]:checked) {
    border-color: var(--primary-color);
    background: rgba(0, 122, 255, 0.1);
}

.transaction-type-option label {
    cursor: pointer;
    font-weight: 500;
    margin: 0;
}

/* Form Group Improvements */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--surface-color);
    color: var(--text-primary);
    font-size: 1rem;
}

.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(0, 122, 255, 0.1);
}

.form-group select:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Modal Improvements */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow);
}

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

.modal-header h2 {
    margin: 0;
    font-size: 1.25rem;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 0.25rem;
    border-radius: 50%;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-btn:hover {
    background: var(--border-color);
}

.modal-body {
    padding: 1rem;
}

.form-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

/* Responsive Design */
@media (max-width: 480px) {
    .transaction-type-group {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .subcategory-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .subcategory-actions {
        align-self: flex-end;
    }
    
    .category-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .form-actions {
        flex-direction: column;
    }
}

/* Dark Theme Adjustments */
@media (prefers-color-scheme: dark) {
    .transaction-type-option:hover {
        background: rgba(255, 255, 255, 0.05);
    }
    
    .transaction-type-option:has(input[type="radio"]:checked) {
        background: rgba(0, 122, 255, 0.2);
    }
    
    .close-btn:hover {
        background: rgba(255, 255, 255, 0.1);
    }
}
/* Subcategory Management Styles */
.subcategory-section {
    padding: 16px 0;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.section-header h3 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.btn.small {
    padding: 6px 12px;
    font-size: 0.875rem;
}

.subcategory-list {
    max-height: 300px;
    overflow-y: auto;
}

.subcategory-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 8px;
    transition: var(--transition);
}

.subcategory-item:hover {
    background: var(--background-color);
}

.subcategory-info {
    flex: 1;
}

.subcategory-name {
    font-weight: 500;
    color: var(--text-primary);
}

.subcategory-actions {
    display: flex;
    gap: 8px;
}

.edit-btn {
    background: none;
    border: none;
    font-size: 1rem;
    cursor: pointer;
    padding: 6px;
    border-radius: 4px;
    transition: var(--transition);
    opacity: 0.7;
}

.edit-btn:hover {
    opacity: 1;
    background-color: rgba(0, 122, 255, 0.1);
}

/* Form styles for subcategory management */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--surface-color);
    color: var(--text-primary);
    font-size: 1rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(0, 122, 255, 0.2);
}

.form-group input:disabled,
.form-group select:disabled {
    background: var(--background-color);
    color: var(--text-secondary);
    cursor: not-allowed;
}

.form-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 24px;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

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

.btn.primary:hover {
    background-color: #0056CC;
}

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

.btn.secondary:hover {
    background-color: #D1D1D6;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Modal improvements */
.modal-content {
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px 16px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    margin: 0;
    font-size: 1.25rem;
    color: var(--text-primary);
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 4px;
    border-radius: 4px;
    transition: var(--transition);
}

.close-btn:hover {
    background-color: var(--border-color);
}

.modal-body {
    padding: 20px 24px;
}

/* Transaction category display with subcategory */
.transaction-category {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px;
}

/* Responsive design for subcategory management */
@media (max-width: 768px) {
    .section-header {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }
    
    .subcategory-actions {
        flex-direction: column;
        gap: 4px;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .modal-content {
        width: 95%;
        max-height: 90vh;
    }
}

/* Dark theme adjustments */
@media (prefers-color-scheme: dark) {
    .subcategory-item {
        background: var(--surface-color);
        border-color: var(--border-color);
    }
    
    .subcategory-item:hover {
        background: #2C2C2E;
    }
    
    .edit-btn:hover {
        background-color: rgba(0, 122, 255, 0.2);
    }
}
/* Authentication Modal Styles */
.auth-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--surface-color);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: 1rem;
}

.auth-container {
    width: 100%;
    max-width: 400px;
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-header .app-logo {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.auth-header h1 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.auth-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.auth-view {
    width: 100%;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.auth-form .form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.auth-form label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.auth-form input {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    background: var(--surface-color);
    color: var(--text-primary);
    transition: var(--transition);
}

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

.password-requirements {
    margin-top: 0.25rem;
}

.password-requirements small {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.auth-links {
    margin-top: 1.5rem;
    text-align: center;
}

.auth-switch {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.link-btn {
    background: none;
    border: none;
    color: var(--primary-color);
    cursor: pointer;
    text-decoration: underline;
    font-size: inherit;
    padding: 0;
    margin-left: 0.25rem;
}

.link-btn:hover {
    opacity: 0.8;
}

.full-width {
    width: 100%;
}

/* Reset Token Section */
.reset-token-section {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--background-color);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.reset-token-info h4 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.reset-token-info code {
    display: block;
    padding: 0.5rem;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.9rem;
    margin: 0.5rem 0;
    word-break: break-all;
}

.reset-token-info p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.reset-password-form {
    margin-top: 1rem;
}

/* User Info Section */
.user-info-section {
    padding: 1rem;
    background: var(--background-color);
    border-radius: 8px;
    margin-bottom: 1rem;
}

.user-info-section .user-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    margin-bottom: 1rem;
}

.user-info-section .user-details {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.user-info-section .user-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1.1rem;
}

.user-info-section .user-email {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Enhanced Button Styles */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

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

.btn.primary:hover {
    background: #0056CC;
    transform: translateY(-1px);
}

.btn.secondary {
    background: var(--background-color);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn.secondary:hover {
    background: var(--border-color);
}

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

.btn.danger:hover {
    background: #D70015;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Responsive Design */
@media (max-width: 480px) {
    .auth-container {
        padding: 1.5rem;
        margin: 0.5rem;
    }
    
    .auth-header .app-logo {
        font-size: 2.5rem;
    }
    
    .auth-header h1 {
        font-size: 1.25rem;
    }
}

/* Dark Theme Enhancements */
@media (prefers-color-scheme: dark) {
    .auth-form input {
        background: var(--background-color);
        border-color: var(--border-color);
        color: var(--text-primary);
    }
    
    .reset-token-info code {
        background: var(--background-color);
        color: var(--text-primary);
    }
    
    .user-info-section {
        background: var(--background-color);
    }
}

/* Animation for auth state changes */
.auth-transition {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.auth-transition.fade-out {
    opacity: 0;
    transform: translateY(-20px);
}

.auth-transition.fade-in {
    opacity: 1;
    transform: translateY(0);
}

/* Loading states for auth forms */
.auth-form.loading {
    opacity: 0.7;
    pointer-events: none;
}

.auth-form.loading .btn {
    position: relative;
}

.auth-form.loading .btn::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}/*
 Sharing Indicators */
.sharing-indicator {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    font-size: 0.8em;
    padding: 2px 6px;
    border-radius: 12px;
    margin-left: 8px;
    font-weight: 500;
}

.shared-status {
    display: inline-block;
    background: var(--success-color);
    color: white;
    font-size: 0.7em;
    padding: 2px 6px;
    border-radius: 8px;
    margin-left: 8px;
    font-weight: 500;
}

.status-indicator {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.8em;
    font-weight: 500;
}

.status-indicator.active {
    background: var(--success-color);
    color: white;
}

.status-indicator.pending {
    background: var(--warning-color);
    color: white;
}

.status-indicator.inactive {
    background: var(--error-color);
    color: white;
}

/* Permission Level Indicators */
.permission-level {
    display: inline-block;
    background: var(--secondary-color);
    color: white;
    padding: 2px 6px;
    border-radius: 8px;
    font-size: 0.75em;
    margin-left: 6px;
    font-weight: 500;
}

/* Readonly Indicators */
.readonly-indicator {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--text-secondary);
    color: white;
    border-radius: 6px;
    font-size: 14px;
    cursor: not-allowed;
    opacity: 0.7;
}

/* Readonly Items */
.fundsource-item.readonly,
.transaction-item.readonly {
    opacity: 0.8;
    background: var(--background-color);
}

.fundsource-item.readonly:hover,
.transaction-item.readonly:hover {
    background: var(--background-color);
    cursor: default;
}

/* Shared Transaction Indicator */
.shared-indicator {
    display: inline-block;
    color: var(--primary-color);
    margin-left: 6px;
    font-size: 0.9em;
}

/* Sharing Management Styles */
.sharing-user-management {
    margin-bottom: 20px;
    padding: 15px;
    background: var(--background-color);
    border-radius: var(--border-radius);
}

.add-user-form {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.add-user-form input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
}

.shared-user-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 8px;
    background: var(--surface-color);
}

.user-info .user-name {
    font-weight: 500;
    margin-bottom: 2px;
}

.user-info .user-email {
    font-size: 0.9em;
    color: var(--text-secondary);
}

.user-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sharing-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 10px;
    background: var(--surface-color);
}

.sharing-info .fund-source-name {
    font-weight: 500;
    margin-bottom: 4px;
}

.sharing-info .sharing-status {
    font-size: 0.9em;
    color: var(--text-secondary);
}

.sharing-actions {
    display: flex;
    gap: 8px;
}

.sharing-user-option {
    display: flex;
    align-items: center;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    margin-bottom: 8px;
    background: var(--surface-color);
}

.sharing-user-option input[type="checkbox"] {
    margin-right: 10px;
}

.sharing-user-option label {
    flex: 1;
    cursor: pointer;
}

.sharing-permissions {
    margin-top: 20px;
}

.sharing-permissions > div {
    padding: 15px;
    background: var(--background-color);
    border-radius: 8px;
}

.sharing-permissions label {
    display: block;
    margin-bottom: 8px;
    cursor: pointer;
}

.sharing-permissions input[type="checkbox"] {
    margin-right: 8px;
}

/* Empty state for sharing */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.empty-state .empty-icon {
    font-size: 3em;
    margin-bottom: 15px;
}

.empty-state h4 {
    margin-bottom: 10px;
    color: var(--text-primary);
}

/* Button styles for sharing actions */
.btn.small {
    padding: 6px 12px;
    font-size: 0.9em;
}

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

.btn.danger:hover {
    background: #d70015;
}

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

.btn.secondary:hover {
    background: #6d6d72;
}
/
* User Info Section Styles */
.user-info-section {
    display: flex;
    align-items: center;
    padding: 1rem;
    background: var(--background-color);
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    gap: 1rem;
}

.user-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    flex-shrink: 0;
}

.user-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.user-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1.1rem;
    margin: 0;
}

.user-email {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
}

.user-last-login {
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin: 0;
}

.user-note {
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-style: italic;
    margin: 0;
}

/* Settings Section Styles */
.settings-sections {
    padding: 1rem;
}

.settings-section {
    margin-bottom: 2rem;
}

.settings-section h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.settings-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    background: var(--surface-color);
    border-radius: var(--border-radius);
    margin-bottom: 0.5rem;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.settings-item:hover {
    background: var(--background-color);
    transform: translateX(2px);
}

.settings-item:active {
    transform: translateX(0);
}

.settings-item .icon {
    font-size: 1.2rem;
    margin-right: 1rem;
    width: 24px;
    text-align: center;
}

.settings-item span:not(.icon):not(.arrow):not(.value) {
    flex: 1;
    font-weight: 500;
    color: var(--text-primary);
}

.settings-item .arrow {
    color: var(--text-secondary);
    font-size: 1.2rem;
}

.settings-item .value {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-right: 0.5rem;
}

/* Disabled settings items */
.settings-item:disabled,
.settings-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Auth state dependent styles */
.settings-item.auth-required {
    opacity: 0.7;
}

.settings-item.auth-required:hover {
    background: var(--surface-color);
    transform: none;
}

/* Responsive design for settings */
@media (max-width: 480px) {
    .user-info-section {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .user-details {
        align-items: center;
    }
    
    .settings-item {
        padding: 0.75rem;
    }
    
    .settings-item .icon {
        margin-right: 0.75rem;
    }
}

/* Dark theme adjustments for settings */
@media (prefers-color-scheme: dark) {
    .user-info-section {
        background: var(--background-color);
    }
    
    .settings-item {
        background: var(--surface-color);
        border-color: var(--border-color);
    }
    
    .settings-item:hover {
        background: #2C2C2E;
    }
}