/* ========================================
   Budget Planner - Complete Styles
   ======================================== */

/* ========================================
   CSS Variables
   ======================================== */
:root {
    /* Colors */
    --bg-primary: #0f0f17;
    --bg-secondary: #1a1a25;
    --bg-card: rgba(26, 26, 37, 0.8);
    --bg-card-hover: rgba(36, 36, 50, 0.9);
    
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #606070;
    
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.1);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.1);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --info: #3b82f6;
    
    /* Glass Effect */
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    
    /* Spacing */
    --sidebar-width: 260px;
    --header-height: 70px;
    --border-radius: 16px;
    --border-radius-sm: 8px;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Background Gradient */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(99, 102, 241, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 40%);
    pointer-events: none;
    z-index: -1;
}

.hidden {
    display: none !important;
}

/* ========================================
   Loading Overlay
   ======================================== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.3s ease;
}

.loading-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

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

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-overlay p {
    margin-top: 1rem;
    color: var(--text-secondary);
}

/* ========================================
   Auth Container (Login/Register)
   ======================================== */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.auth-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--glass-shadow);
}

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

.auth-logo {
    font-size: 3rem;
    display: block;
    margin-bottom: 1rem;
}

.auth-header h1 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.auth-header p {
    color: var(--text-secondary);
}

.auth-form .form-group {
    margin-bottom: 1.25rem;
}

.auth-switch {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--text-secondary);
}

.auth-switch a {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
}

.auth-switch a:hover {
    text-decoration: underline;
}

.auth-error {
    background: var(--danger-bg);
    color: var(--danger);
    padding: 1rem;
    border-radius: var(--border-radius-sm);
    margin-top: 1rem;
    text-align: center;
}

.btn-full {
    width: 100%;
}

/* ========================================
   App Container
   ======================================== */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* ========================================
   Sidebar
   ======================================== */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--glass-border);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--glass-border);
    margin-bottom: 1.5rem;
}

.logo-icon {
    font-size: 1.75rem;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 600;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-family: inherit;
    cursor: pointer;
    border-radius: var(--border-radius-sm);
    transition: all 0.2s ease;
}

.nav-item:hover {
    background: var(--glass-bg);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--accent-gradient);
    color: white;
}

.nav-icon {
    font-size: 1.25rem;
}

.exchange-rates {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-sm);
    padding: 1rem;
    margin-top: auto;
    margin-bottom: 1rem;
}

.rate-header {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.rate-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--glass-border);
    font-size: 0.9rem;
}

.rate-item:last-of-type {
    border-bottom: none;
}

.rate-value {
    color: var(--success);
    font-weight: 600;
}

.rate-date {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

.user-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    border-top: 1px solid var(--glass-border);
}

.user-email {
    font-size: 0.8rem;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 120px;
}

/* ========================================
   Main Content
   ======================================== */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 2rem;
    max-width: calc(100% - var(--sidebar-width));
}

.view {
    display: none;
}

.view.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

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

.view-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.view-header h1 {
    font-size: 1.75rem;
    font-weight: 600;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius-sm);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

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

.btn-secondary:hover {
    background: var(--bg-card-hover);
}

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

.btn-danger:hover {
    background: #dc2626;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: var(--border-radius-sm);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.btn-icon:hover {
    background: var(--glass-bg);
}

.btn-icon.delete:hover {
    background: var(--danger-bg);
}

/* ========================================
   Cards
   ======================================== */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.card:hover {
    border-color: rgba(255, 255, 255, 0.12);
}

/* Summary Cards */
.summary-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.summary-card {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.summary-card .card-icon {
    font-size: 2.5rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
}

.summary-card.income .card-icon {
    background: var(--success-bg);
}

.summary-card.expense .card-icon {
    background: var(--danger-bg);
}

.summary-card.balance .card-icon {
    background: rgba(99, 102, 241, 0.1);
}

.card-content {
    display: flex;
    flex-direction: column;
}

.card-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.card-value {
    font-size: 1.5rem;
    font-weight: 600;
}

.summary-card.income .card-value {
    color: var(--success);
}

.summary-card.expense .card-value {
    color: var(--danger);
}

/* Projection Cards */
.projection-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.projection-card {
    text-align: center;
}

.projection-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
}

.projection-icon {
    font-size: 1.25rem;
}

.projection-value {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.projection-change {
    font-size: 0.85rem;
    font-weight: 500;
}

.projection-change.positive {
    color: var(--success);
}

.projection-change.negative {
    color: var(--danger);
}

/* Budget Alert */
.budget-alert {
    background: var(--warning-bg);
    border: 1px solid var(--warning);
    border-radius: var(--border-radius-sm);
    padding: 1rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.budget-alert.danger {
    background: var(--danger-bg);
    border-color: var(--danger);
}

.alert-icon {
    font-size: 1.5rem;
}

.alert-text {
    flex: 1;
}

/* Charts Row */
.charts-row {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

@media (max-width: 1200px) {
    .charts-row {
        grid-template-columns: 1fr;
    }
}

.chart-card h2 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

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

.chart-controls {
    display: flex;
    gap: 0.5rem;
}

.chart-range-btn {
    padding: 0.4rem 0.75rem;
    border: 1px solid var(--glass-border);
    background: transparent;
    color: var(--text-secondary);
    border-radius: 6px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.chart-range-btn:hover {
    background: var(--glass-bg);
    color: var(--text-primary);
}

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

.chart-container {
    height: 280px;
    position: relative;
}

.pie-container {
    height: 250px;
}

/* Budget Progress */
.budget-progress-card h2 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.budget-progress-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.budget-progress-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.budget-progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.category-icon {
    font-size: 1.25rem;
}

.budget-progress-values {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.progress-bar {
    height: 8px;
    background: var(--glass-bg);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.3s ease;
}

.progress-fill.good {
    background: var(--success);
}

.progress-fill.warning {
    background: var(--warning);
}

.progress-fill.danger {
    background: var(--danger);
}

/* Upcoming Transactions */
.upcoming-card h2 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.upcoming-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.upcoming-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: var(--glass-bg);
    border-radius: var(--border-radius-sm);
}

.upcoming-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.upcoming-icon {
    font-size: 1.25rem;
}

.upcoming-details {
    display: flex;
    flex-direction: column;
}

.upcoming-description {
    font-weight: 500;
}

.upcoming-date {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.upcoming-amount {
    font-weight: 600;
}

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

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

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.form-input,
.form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: all 0.2s ease;
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23a0a0b0' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* Fix for dropdown options visibility */
.form-select option,
.form-select optgroup {
    background-color: #1a1a25;
    color: #ffffff;
    padding: 0.5rem;
}

.form-select-sm {
    padding: 0.4rem 0.75rem;
    font-size: 0.85rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 6px;
    color: var(--text-primary);
}

.form-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

.form-row {
    margin-bottom: 1rem;
}

.form-row.two-cols {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

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

.input-with-currency {
    display: flex;
    gap: 0.5rem;
}

.input-with-currency .form-input {
    flex: 1;
}

.currency-select,
.currency-suffix {
    min-width: 70px;
    padding: 0.75rem;
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    text-align: center;
}

.type-toggle {
    display: flex;
    gap: 0.5rem;
}

.type-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.type-btn:hover {
    background: var(--bg-card-hover);
}

.type-btn.active[data-type="income"] {
    background: var(--success-bg);
    border-color: var(--success);
    color: var(--success);
}

.type-btn.active[data-type="expense"] {
    background: var(--danger-bg);
    border-color: var(--danger);
    color: var(--danger);
}

/* ========================================
   Transactions Table
   ======================================== */
.transactions-card {
    overflow-x: auto;
}

.transactions-table {
    width: 100%;
    border-collapse: collapse;
}

.transactions-table th,
.transactions-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--glass-border);
}

.transactions-table th {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    font-weight: 500;
}

.transactions-table tr:hover {
    background: var(--glass-bg);
}

.type-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.type-badge.income {
    background: var(--success-bg);
    color: var(--success);
}

.type-badge.expense {
    background: var(--danger-bg);
    color: var(--danger);
}

.category-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.75rem;
    background: var(--glass-bg);
    border-radius: 20px;
    font-size: 0.85rem;
}

.recurrence-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-primary);
    border-radius: 4px;
    font-size: 0.8rem;
}

.amount-cell.income {
    color: var(--success);
    font-weight: 500;
}

.amount-cell.expense {
    color: var(--danger);
    font-weight: 500;
}

.action-buttons {
    display: flex;
    gap: 0.25rem;
}

.empty-state {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    text-align: center;
}

.empty-state.visible {
    display: flex;
}

.empty-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.empty-state p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.filter-controls {
    display: flex;
    gap: 0.75rem;
}

/* ========================================
   Reports
   ======================================== */
.report-controls {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.report-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.report-stat {
    text-align: center;
}

.report-stat h3 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.report-value {
    font-size: 1.75rem;
    font-weight: 600;
}

.report-stat.income .report-value {
    color: var(--success);
}

.report-stat.expense .report-value {
    color: var(--danger);
}

.report-stat.savings .report-value {
    color: var(--accent-primary);
}

.report-categories {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

@media (max-width: 900px) {
    .report-categories {
        grid-template-columns: 1fr;
    }
}

.category-breakdown-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-height: 400px;
    overflow-y: auto;
}

.category-breakdown-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    background: var(--glass-bg);
    border-radius: var(--border-radius-sm);
}

.category-breakdown-info {
    flex: 1;
}

.category-breakdown-name {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.category-breakdown-bar {
    height: 4px;
    background: var(--glass-border);
    border-radius: 2px;
    overflow: hidden;
}

.category-breakdown-fill {
    height: 100%;
    border-radius: 2px;
}

.category-breakdown-amount {
    font-weight: 600;
    color: var(--danger);
}

/* ========================================
   Settings
   ======================================== */
.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
}

.settings-card h2 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.settings-card.danger {
    border-color: rgba(239, 68, 68, 0.3);
}

.data-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.rates-info {
    margin-bottom: 1rem;
}

.rate-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
}

.rate-row span:first-child {
    color: var(--text-secondary);
}

.rate-row span:nth-child(2) {
    font-weight: 600;
    color: var(--success);
}

/* Budget Limits */
.budget-limits-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.budget-limit-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem;
    background: var(--glass-bg);
    border-radius: var(--border-radius-sm);
}

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

.budget-limit-amount {
    font-weight: 600;
}

/* ========================================
   Modals
   ======================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal {
    transform: translateY(0);
}

.modal-small {
    max-width: 400px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--glass-border);
}

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

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s ease;
}

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

.modal-body,
.modal form {
    padding: 1.5rem;
}

.delete-item-info {
    background: var(--glass-bg);
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius-sm);
    margin-top: 0.75rem;
    font-weight: 500;
}

/* ========================================
   PWA Prompt
   ======================================== */
.pwa-prompt {
    position: fixed;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--glass-shadow);
    z-index: 999;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        position: fixed;
        bottom: 0;
        top: auto;
        left: 0;
        right: 0;
        flex-direction: row;
        padding: 0.5rem;
        border-right: none;
        border-top: 1px solid var(--glass-border);
    }

    .logo,
    .exchange-rates,
    .user-info {
        display: none;
    }

    .nav-menu {
        flex-direction: row;
        width: 100%;
        justify-content: space-around;
    }

    .nav-item {
        flex-direction: column;
        padding: 0.5rem;
        font-size: 0.75rem;
        gap: 0.25rem;
    }

    .nav-item span:not(.nav-icon) {
        display: none;
    }

    .main-content {
        margin-left: 0;
        max-width: 100%;
        padding: 1rem;
        padding-bottom: 5rem;
    }

    .view-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

    .filter-controls {
        width: 100%;
        flex-wrap: wrap;
    }

    .filter-controls .form-select {
        flex: 1;
        min-width: 120px;
    }

    .form-row.two-cols {
        grid-template-columns: 1fr;
    }

    .charts-row {
        grid-template-columns: 1fr;
    }

    .report-categories {
        grid-template-columns: 1fr;
    }

    .settings-grid {
        grid-template-columns: 1fr;
    }

    .pwa-prompt {
        width: calc(100% - 2rem);
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* ========================================
   Utility Classes
   ======================================== */
.text-muted {
    color: var(--text-muted);
    font-size: 0.85rem;
}

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

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