/* ==========================================================================
   Finova Premium CSS Stylesheet
   Design Language: Glassmorphic Dark & Light Mode, Premium Micro-interactions
   ========================================================================== */

/* Variables & Base Themes */
:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-glow: rgba(99, 102, 241, 0.25);
    
    --income: #10b981;
    --income-hover: #059669;
    --income-glow: rgba(16, 185, 129, 0.2);
    
    --expense: #f43f5e;
    --expense-hover: #e11d48;
    --expense-glow: rgba(244, 63, 94, 0.2);

    --warning: #f59e0b;
    --warning-glow: rgba(245, 158, 11, 0.2);

    --radius-xl: 20px;
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    
    --font-main: 'Plus Jakarta Sans', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.dark-theme {
    --bg-primary: #070913;
    --bg-secondary: #0d1222;
    --bg-sidebar: #0a0d18;
    --border-color: rgba(255, 255, 255, 0.05);
    --border-hover: rgba(255, 255, 255, 0.1);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-tertiary: #64748b;
    --card-bg: rgba(17, 24, 39, 0.7);
    --card-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.7);
    --hover-bg: rgba(255, 255, 255, 0.03);
    --input-bg: rgba(15, 23, 42, 0.6);
    --scrollbar-track: #070913;
    --scrollbar-thumb: #1e293b;
    --glass-opacity: rgba(255, 255, 255, 0.02);
}

.light-theme {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-sidebar: #f1f5f9;
    --border-color: rgba(0, 0, 0, 0.06);
    --border-hover: rgba(0, 0, 0, 0.12);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-tertiary: #94a3b8;
    --card-bg: rgba(255, 255, 255, 0.85);
    --card-shadow: 0 10px 30px -10px rgba(99, 102, 241, 0.05);
    --hover-bg: rgba(0, 0, 0, 0.02);
    --input-bg: rgba(248, 250, 252, 0.8);
    --scrollbar-track: #f8fafc;
    --scrollbar-thumb: #cbd5e1;
    --glass-opacity: rgba(0, 0, 0, 0.01);
}

/* Reset & Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    transition: background-color 0.5s ease, color 0.5s ease;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
}
::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

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

/* Sidebar Navigation */
.sidebar {
    width: 280px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition);
    z-index: 100;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 3rem;
}

.logo-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--primary), #818cf8);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.logo-icon i {
    width: 22px;
    height: 22px;
}

.sidebar-logo h2 {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.sidebar-logo h2 span {
    color: var(--primary);
}

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

.menu-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.85rem 1.25rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.menu-item i {
    width: 20px;
    height: 20px;
    transition: var(--transition);
}

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

.menu-item.active {
    color: white;
    background: linear-gradient(135deg, var(--primary), #4f46e5);
    box-shadow: 0 4px 20px var(--primary-glow);
}

.menu-item.active i {
    transform: scale(1.1);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    margin-top: 2rem;
}

.user-avatar {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #a78bfa, var(--primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
}

.user-info {
    flex-grow: 1;
}

.user-info h4 {
    font-size: 0.9rem;
    font-weight: 600;
}

.user-info p {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.btn-theme-toggle {
    background: none;
    border: 1px solid var(--border-color);
    width: 34px;
    height: 34px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.btn-theme-toggle:hover {
    color: var(--text-primary);
    background-color: var(--hover-bg);
    border-color: var(--border-hover);
}

/* Main Content Area */
.main-content {
    flex-grow: 1;
    padding: 2rem 2.5rem;
    overflow-y: auto;
    height: 100vh;
}

/* Header Styles */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
    gap: 1.5rem;
}

.header-left h1 {
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 0.25rem;
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.search-bar {
    position: relative;
    width: 260px;
}

.search-bar i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
    width: 18px;
    height: 18px;
    pointer-events: none;
}

.search-bar input {
    width: 100%;
    padding: 0.65rem 1rem 0.65rem 2.5rem;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 0.85rem;
    transition: var(--transition);
}

.search-bar input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

/* Premium Buttons */
.btn-primary, .btn-secondary, .btn-danger {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1.25rem;
    border-radius: var(--radius-md);
    font-family: var(--font-main);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-bounce);
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #4f46e5);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}

.btn-primary:active {
    transform: translateY(0);
}

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

.btn-secondary:hover {
    background-color: var(--hover-bg);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.btn-secondary:active {
    transform: translateY(0);
}

.btn-danger {
    background: linear-gradient(135deg, var(--expense), #e11d48);
    color: white;
    box-shadow: 0 4px 15px rgba(244, 63, 94, 0.2);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(244, 63, 94, 0.35);
}

.btn-icon {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.btn-icon:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
    background-color: var(--hover-bg);
}

/* Tab Layouts */
.tab-content {
    display: none;
    animation: fadeIn 0.4s ease-out;
}

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

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

/* Glassmorphic Premium Cards */
.card {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
    transition: var(--transition-bounce);
}

.card:hover {
    border-color: var(--border-hover);
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.25);
    transform: translateY(-3px);
}

/* Overview Section Grid */
.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

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

.card-title {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 600;
}

.card-icon {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-icon i {
    width: 18px;
    height: 18px;
}

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

.card-icon.income {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--income);
}

.card-icon.expense {
    background-color: rgba(244, 63, 94, 0.1);
    color: var(--expense);
}

.card-icon.savings {
    background-color: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
}

.card-value {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 0.75rem;
}

.card-footer {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.trend-up {
    color: var(--income);
    font-size: 0.75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.15rem;
}

.trend-down {
    color: var(--expense);
    font-size: 0.75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.15rem;
}

.footer-text {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    font-weight: 500;
}

/* Savings Circle Card Details */
.card-savings-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.savings-info {
    display: flex;
    flex-direction: column;
}

.progress-ring {
    transform: rotate(-90deg);
}

.progress-ring__circle {
    transition: stroke-dashoffset 0.6s ease;
    stroke-linecap: round;
}

/* Analytics Section Layout */
.analytics-grid {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.flex-2 {
    flex: 2;
}

.flex-1 {
    flex: 1;
}

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

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.chart-title-area h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.15rem;
}

.chart-title-area p {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.chart-filters {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    padding: 0.25rem;
    border-radius: var(--radius-md);
    display: flex;
    gap: 0.25rem;
}

.btn-tab {
    background: none;
    border: none;
    font-family: var(--font-main);
    color: var(--text-secondary);
    padding: 0.4rem 0.85rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.btn-tab:hover {
    color: var(--text-primary);
}

.btn-tab.active {
    background-color: var(--card-bg);
    color: var(--text-primary);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.chart-container {
    position: relative;
    flex-grow: 1;
    min-height: 280px;
}

.donut-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 280px;
}

.no-data-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    gap: 0.5rem;
}

.no-data-message i {
    width: 32px;
    height: 32px;
}

.no-data-message p {
    font-size: 0.85rem;
}

/* Bottom Grid Layout */
.bottom-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
}

.card-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
}

.card-section-header h3 {
    font-size: 1.1rem;
    font-weight: 700;
}

.view-all-link {
    color: var(--primary);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 600;
    transition: var(--transition);
}

.view-all-link:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

/* Transaction Tables */
.table-responsive {
    width: 100%;
    overflow-x: auto;
}

.transaction-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.transaction-table th {
    padding: 0.85rem 1rem;
    color: var(--text-tertiary);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
}

.transaction-table td {
    padding: 1rem;
    font-size: 0.875rem;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

.transaction-table tr {
    transition: var(--transition);
}

.transaction-table tbody tr:hover {
    background-color: var(--hover-bg);
}

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

/* Table Item Elements */
.table-tx-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.tx-icon-circle {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tx-icon-circle.income {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--income);
}

.tx-icon-circle.expense {
    background-color: rgba(244, 63, 94, 0.1);
    color: var(--expense);
}

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

.tx-title {
    font-weight: 600;
    color: var(--text-primary);
}

.tx-subtitle {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.badge-category {
    padding: 0.25rem 0.6rem;
    border-radius: 30px;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-block;
}

.badge-type {
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-type.income {
    background-color: rgba(16, 185, 129, 0.12);
    color: var(--income);
}

.badge-type.expense {
    background-color: rgba(244, 63, 94, 0.12);
    color: var(--expense);
}

.tx-amount {
    font-weight: 700;
    font-size: 0.9rem;
}

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

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

.table-actions {
    display: flex;
    gap: 0.4rem;
}

.btn-action {
    background: none;
    border: none;
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    color: var(--text-tertiary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

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

.btn-action.delete:hover {
    color: var(--expense);
    background-color: rgba(244, 63, 94, 0.1);
}

.btn-action.edit:hover {
    color: var(--primary);
    background-color: rgba(99, 102, 241, 0.1);
}

/* Active Budgets Bars */
.budget-list {
    display: flex;
    flex-direction: column;
    gap: 1.15rem;
}

.budget-item {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.budget-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    font-weight: 600;
}

.budget-name {
    color: var(--text-primary);
}

.budget-values {
    color: var(--text-secondary);
}

.budget-progress-container {
    width: 100%;
    height: 8px;
    background-color: var(--bg-primary);
    border-radius: 4px;
    overflow: hidden;
}

.budget-progress-bar {
    height: 100%;
    border-radius: 4px;
    transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.budget-progress-bar.normal {
    background: linear-gradient(90deg, var(--primary), #818cf8);
}

.budget-progress-bar.warning {
    background: linear-gradient(90deg, #fbbf24, var(--warning));
}

.budget-progress-bar.danger {
    background: linear-gradient(90deg, var(--expense), #f43f5e);
    box-shadow: 0 0 10px rgba(244, 63, 94, 0.3);
}

/* Transaction Tab Filter Layout */
.full-width {
    grid-column: span 2;
}

.table-header-controls {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 1.5rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.table-filters-left {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.filter-group label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-tertiary);
    letter-spacing: 0.5px;
}

.select-premium {
    padding: 0.55rem 1rem;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 0.85rem;
    outline: none;
    cursor: pointer;
    min-width: 140px;
    transition: var(--transition);
}

.select-premium:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.table-pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.pagination-info {
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

.pagination-buttons {
    display: flex;
    gap: 0.5rem;
}

/* Budget management tab */
.budget-management-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 1.5rem;
}

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

.budget-setup-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    gap: 1rem;
}

.budget-setup-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.budget-setup-label {
    font-weight: 700;
    font-size: 0.85rem;
}

.budget-setup-input-group {
    display: flex;
    align-items: center;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.35rem 0.65rem;
    width: 160px;
    transition: var(--transition);
}

.budget-setup-input-group:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary-glow);
}

.budget-setup-input-group span {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    font-weight: 600;
    margin-right: 0.25rem;
}

.budget-setup-input-group input {
    background: none;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 0.85rem;
    font-weight: 700;
    width: 100%;
    outline: none;
    text-align: right;
}

.budget-analytics-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.budget-summary-card {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(129, 140, 248, 0.05));
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.budget-summary-card p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.budget-summary-card h2 {
    font-size: 1.8rem;
    font-weight: 800;
    margin: 0.5rem 0;
}

/* Goals Grid Setup */
.goals-list-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.goal-item-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    position: relative;
}

.goal-item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.goal-name {
    font-weight: 700;
    font-size: 1.05rem;
}

.goal-deadline {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-top: 0.15rem;
}

.goal-values-area {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    font-weight: 600;
}

.goal-values-saved {
    color: var(--primary);
    font-size: 1.05rem;
    font-weight: 800;
}

.goal-values-target {
    color: var(--text-secondary);
}

.btn-add-savings {
    background-color: rgba(99, 102, 241, 0.08);
    color: var(--primary);
    border: 1px dashed var(--primary);
    border-radius: var(--radius-md);
    padding: 0.5rem;
    text-align: center;
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}

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

/* Modal Windows Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(3, 7, 18, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    z-index: 1000;
    transition: opacity 0.3s ease;
}

.modal-overlay.open {
    opacity: 1;
    pointer-events: all;
}

.modal-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 480px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    transform: translateY(20px) scale(0.95);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    overflow: hidden;
}

.modal-overlay.open .modal-card {
    transform: translateY(0) scale(1);
}

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

.modal-header h3 {
    font-size: 1.15rem;
    font-weight: 700;
}

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

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

#transactionForm, #goalForm {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-group label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-secondary);
}

.input-premium {
    padding: 0.65rem 1rem;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 0.875rem;
    outline: none;
    transition: var(--transition);
    width: 100%;
}

.input-premium:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.input-icon-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-prefix {
    position: absolute;
    left: 1rem;
    font-weight: 700;
    color: var(--text-tertiary);
    font-size: 0.875rem;
    pointer-events: none;
}

.input-icon-wrapper input {
    padding-left: 2.25rem;
    padding-top: 0.65rem;
    padding-bottom: 0.65rem;
    padding-right: 1rem;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 0.875rem;
    outline: none;
    transition: var(--transition);
    width: 100%;
    font-weight: 700;
}

.input-icon-wrapper input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

/* Radio Toggle buttons for Type */
.form-group-toggle {
    display: flex;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    padding: 0.25rem;
    border-radius: var(--radius-lg);
    gap: 0.25rem;
}

.toggle-container {
    flex: 1;
    cursor: pointer;
}

.toggle-container input {
    display: none;
}

.toggle-btn {
    display: block;
    text-align: center;
    padding: 0.65rem;
    font-size: 0.85rem;
    font-weight: 700;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: var(--transition);
}

.toggle-container input:checked + .toggle-btn.toggle-income {
    background-color: rgba(16, 185, 129, 0.12);
    color: var(--income);
    box-shadow: inset 0 0 0 1px var(--income);
}

.toggle-container input:checked + .toggle-btn.toggle-expense {
    background-color: rgba(244, 63, 94, 0.12);
    color: var(--expense);
    box-shadow: inset 0 0 0 1px var(--expense);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

/* Responsive Styles */
@media (max-width: 1200px) {
    .main-content {
        padding: 1.5rem 1.5rem;
    }
}

@media (max-width: 992px) {
    .app-container {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        height: auto;
        padding: 1rem 1.5rem;
        flex-direction: row;
        align-items: center;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }

    .sidebar-logo {
        margin-bottom: 0;
    }

    .sidebar-menu {
        flex-direction: row;
        justify-content: center;
        gap: 0.25rem;
        margin: 0;
    }

    .menu-item {
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
    }

    .sidebar-user {
        margin-top: 0;
        padding-top: 0;
        border-top: none;
    }

    .user-info {
        display: none;
    }

    .main-content {
        height: auto;
        overflow-y: visible;
    }

    .analytics-grid {
        flex-direction: column;
    }

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

    .budget-management-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        bottom: 0;
        top: auto;
        left: 0;
        border-bottom: none;
        border-top: 1px solid var(--border-color);
        background-color: var(--bg-secondary);
        padding: 0.5rem 1rem;
        justify-content: space-around;
        box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
    }

    .sidebar-logo {
        display: none;
    }

    .sidebar-user {
        display: none;
    }

    .sidebar-menu {
        width: 100%;
        justify-content: space-around;
    }

    .menu-item {
        flex-direction: column;
        align-items: center;
        gap: 0.25rem;
        padding: 0.4rem 0.5rem;
        font-size: 0.65rem;
        flex: 1;
    }

    .menu-item i {
        width: 18px;
        height: 18px;
    }

    .main-content {
        padding-bottom: 80px; /* Space for bottom nav */
    }

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

    .header-actions {
        width: 100%;
        flex-wrap: wrap;
    }

    .search-bar {
        width: 100%;
        order: 3;
    }

    .btn-primary {
        flex-grow: 1;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .overview-grid {
        grid-template-columns: 1fr;
    }
    
    .table-header-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .table-filters-left {
        flex-direction: column;
        align-items: stretch;
    }
    
    .select-premium {
        width: 100%;
    }
}

/* --- Connection Status Indicator --- */
.connection-status {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 0.35rem;
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
    transition: background-color 0.3s ease;
}

.status-dot.online {
    background-color: #10b981;
    box-shadow: 0 0 6px rgba(16, 185, 129, 0.6);
}

.status-dot.offline {
    background-color: #f59e0b;
    box-shadow: 0 0 6px rgba(245, 158, 11, 0.5);
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.status-text {
    font-weight: 500;
    letter-spacing: 0.01em;
}

/* --- Loading Overlay --- */
.loading-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary, #0a0a1a);
    transition: opacity 0.4s ease;
}

.loading-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.loading-spinner p {
    color: var(--text-secondary, #94a3b8);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.02em;
}

.spinner-ring {
    width: 48px;
    height: 48px;
    border: 4px solid rgba(99, 102, 241, 0.15);
    border-top-color: #6366f1;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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