/* Google Fonts import */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
    --bg-gradient-start: #0c0822;
    --bg-gradient-end: #05030f;
    --glass-bg: rgba(20, 16, 43, 0.45);
    --glass-border: rgba(255, 255, 255, 0.06);
    --glass-border-glow: rgba(139, 92, 246, 0.2);
    
    --primary: #8b5cf6;
    --primary-glow: rgba(139, 92, 246, 0.4);
    --secondary: #06b6d4;
    --secondary-glow: rgba(6, 182, 212, 0.4);
    
    --income-color: #10b981;
    --expense-color: #f43f5e;
    --tax-color: #a855f7;
    --neutral-color: #94a3b8;
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    
    --transition-speed: 0.3s;
}

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

body {
    background: radial-gradient(circle at 50% 50%, var(--bg-gradient-start), var(--bg-gradient-end));
    color: var(--text-main);
    font-family: var(--font-body);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.02);
}
::-webkit-scrollbar-thumb {
    background: rgba(139, 92, 246, 0.3);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(139, 92, 246, 0.6);
}

/* App Layout Grid */
.app-container {
    display: grid;
    grid-template-columns: 320px 1fr;
    min-height: 100vh;
}

/* Sidebar Control Panel */
aside.sidebar {
    background: rgba(10, 7, 28, 0.65);
    border-right: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.8rem;
    height: 100vh;
    position: sticky;
    top: 0;
    overflow-y: auto;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 0.5rem;
}

.logo-icon {
    font-size: 1.8rem;
    background: linear-gradient(135deg, var(--secondary), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

h1.logo-text {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: linear-gradient(to right, #ffffff, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-section {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.sidebar-label {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
}

/* Custom Select & Dropdowns */
.select-wrapper {
    position: relative;
}

.custom-select {
    width: 100%;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 0.8rem 1rem;
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 0.9rem;
    appearance: none;
    cursor: pointer;
    transition: var(--transition-speed);
}

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

.select-wrapper::after {
    content: '\f107';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

/* Slider Controls */
.control-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    padding: 0.8rem;
    transition: var(--transition-speed);
}

.control-group:hover {
    border-color: rgba(139, 92, 246, 0.15);
}

.control-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
}

.control-title {
    color: var(--text-main);
    font-weight: 500;
}

.control-value {
    color: var(--secondary);
    font-family: var(--font-heading);
    font-weight: 600;
}

input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 4px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.1);
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--secondary);
    cursor: pointer;
    box-shadow: 0 0 8px var(--secondary-glow);
    transition: transform 0.1s;
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

/* Toggle Switch Control */
.toggle-control {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    padding: 0.8rem;
}

.switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider-switch {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.1);
    transition: .4s;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.slider-switch:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .slider-switch {
    background-color: var(--primary);
}

input:checked + .slider-switch:before {
    transform: translateX(20px);
}

/* Main Dashboard Area */
main.main-content {
    padding: 2rem;
    height: 100vh;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

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

.header-title-block h2 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.header-title-block p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Toggle Views Switch Button */
.view-switch-container {
    display: flex;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 0.25rem;
    backdrop-filter: blur(10px);
}

.view-btn {
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.6rem 1.2rem;
    border-radius: 9px;
    cursor: pointer;
    transition: var(--transition-speed);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.view-btn.active {
    background: var(--primary);
    color: var(--text-main);
    box-shadow: 0 0 12px var(--primary-glow);
}

/* Summary Cards Grid */
.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.summary-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transition: transform 0.2s, border-color 0.2s;
}

.summary-card:hover {
    transform: translateY(-2px);
    border-color: var(--glass-border-glow);
}

.summary-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary);
}

.card-nw-age53::before { background: var(--secondary); }
.card-nw-age80::before { background: var(--income-color); }
.card-solvency::before { background: var(--expense-color); }

.card-title {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

.card-value {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-main);
}

.card-subtext {
    font-size: 0.8rem;
    color: var(--text-dim);
}

/* Chart Card container */
.chart-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 1.5rem;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    height: 320px;
}

/* Table Card Container */
.table-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    flex-grow: 1;
}

.table-header-block {
    padding: 1.2rem 1.5rem;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.table-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
}

/* Data Table Styling */
.table-wrapper {
    overflow-x: auto;
    overflow-y: auto;
    max-height: 480px;
    width: 100%;
}

table.ledger-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    text-align: left;
}

table.ledger-table th {
    background: rgba(14, 11, 35, 0.9);
    position: sticky;
    top: 0;
    z-index: 10;
    padding: 1rem 0.8rem;
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--text-muted);
    border-bottom: 1px solid var(--glass-border);
    white-space: nowrap;
}

table.ledger-table th.col-group {
    background: rgba(22, 17, 51, 0.95);
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

table.ledger-table td {
    padding: 0.9rem 0.8rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    font-family: var(--font-body);
    white-space: nowrap;
}

table.ledger-table tbody tr {
    transition: background-color 0.1s;
}

table.ledger-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.03);
}

/* Interactive Click Selection Style */
table.ledger-table tbody tr.selected {
    background: rgba(139, 92, 246, 0.08);
}

/* Specific Cell Colors */
.age-col {
    font-weight: 600;
    color: var(--neutral-color);
}

.opening-nw-col {
    font-weight: 500;
}

.income-col {
    color: var(--income-color);
}

.expense-col {
    color: var(--expense-color);
}

.tax-col {
    color: var(--tax-color);
}

.closing-nw-col {
    font-weight: 700;
    color: var(--secondary);
}

.negative-value {
    color: var(--expense-color) !important;
}

/* Breakdown Columns styling toggle class */
.hidden-col {
    display: none !important;
}

/* Bottom Explainer / Details card */
.year-details-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 1.5rem;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    transition: opacity 0.2s;
}

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

.details-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--secondary);
}

.details-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-top: 0.5rem;
}

.details-stat {
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid rgba(255, 255, 255, 0.02);
    border-radius: 10px;
    padding: 0.6rem;
}

.details-stat-label {
    font-size: 0.75rem;
    color: var(--text-dim);
}

.details-stat-value {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-main);
}

/* Responsive adjust */
@media (max-width: 1024px) {
    .app-container {
        grid-template-columns: 1fr;
    }
    aside.sidebar {
        height: auto;
        position: relative;
    }
    main.main-content {
        height: auto;
    }
}

/* Chart collapsed state */
body.chart-collapsed .chart-card {
    display: none !important;
}

body.chart-collapsed .table-wrapper {
    max-height: 820px;
}

/* Tooltip cells discoverability */
table.ledger-table td.has-tip {
    cursor: help;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.15) !important;
    position: relative;
}
table.ledger-table td.has-tip:hover {
    background: rgba(255, 255, 255, 0.05);
}

/* Custom rich tooltip popover */
.custom-tooltip {
    position: fixed;
    z-index: 9999;
    background: rgba(15, 10, 40, 0.96);
    border: 1px solid rgba(139, 92, 246, 0.35);
    border-radius: 10px;
    padding: 12px 16px;
    max-width: 420px;
    min-width: 220px;
    font-family: var(--font-body);
    font-size: 0.82rem;
    line-height: 1.55;
    color: var(--text-muted);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(139, 92, 246, 0.1);
    pointer-events: none;
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 0.15s ease, transform 0.15s ease;
    white-space: pre-line;
}
.custom-tooltip.visible {
    opacity: 1;
    transform: translateY(0);
}
.custom-tooltip .tip-line {
    display: block;
    padding: 2px 0;
}
.custom-tooltip .tip-line:not(:last-child) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}