/* ==========================================================================
   FinFlow Premium Design System & Stylesheet
   ========================================================================== */

/* --- Theme Variables --- */
:root {
    /* Fonts */
    --font-heading: 'Outfit', 'Inter', system-ui, -apple-system, sans-serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;

    /* Transition Curves */
    --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius-sm: 8px;
    --border-radius-md: 14px;
    --border-radius-lg: 20px;
    
    /* Layout Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.8rem;
    --spacing-md: 1.2rem;
    --spacing-lg: 2rem;
}

/* --- Dark Theme Palette (Default) --- */
.dark-theme {
    --bg-app: #090d16;
    --bg-gradient: radial-gradient(circle at top right, #111827, #090d16);
    --bg-surface: rgba(17, 24, 39, 0.65);
    --bg-surface-solid: #111827;
    --bg-card-hover: rgba(31, 41, 55, 0.85);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.16);
    
    --text-primary: #f9fafb;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    --accent-indigo: #6366f1;
    --accent-indigo-glow: rgba(99, 102, 241, 0.15);
    
    --accent-teal: #14b8a6;
    --accent-teal-glow: rgba(20, 184, 166, 0.15);
    
    --accent-rose: #f43f5e;
    --accent-rose-glow: rgba(244, 63, 94, 0.15);
    
    --accent-emerald: #10b981;
    --accent-emerald-glow: rgba(16, 185, 129, 0.15);

    --shadow-main: 0 10px 30px -10px rgba(0, 0, 0, 0.7);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.1);
    
    --scrollbar-track: #0e131f;
    --scrollbar-thumb: #1f2937;
    --scrollbar-thumb-hover: #374151;
}

/* --- Light Theme Palette --- */
.light-theme {
    --bg-app: #f3f4f6;
    --bg-gradient: radial-gradient(circle at top right, #eef2f6, #f3f4f6);
    --bg-surface: rgba(255, 255, 255, 0.75);
    --bg-surface-solid: #ffffff;
    --bg-card-hover: rgba(243, 244, 246, 0.95);
    --border-color: rgba(0, 0, 0, 0.08);
    --border-hover: rgba(0, 0, 0, 0.14);
    
    --text-primary: #111827;
    --text-secondary: #4b5563;
    --text-muted: #9ca3af;
    
    --accent-indigo: #4f46e5;
    --accent-indigo-glow: rgba(79, 70, 229, 0.1);
    
    --accent-teal: #0d9488;
    --accent-teal-glow: rgba(13, 148, 136, 0.1);
    
    --accent-rose: #e11d48;
    --accent-rose-glow: rgba(225, 29, 72, 0.1);
    
    --accent-emerald: #059669;
    --accent-emerald-glow: rgba(5, 150, 105, 0.1);

    --shadow-main: 0 10px 30px -10px rgba(0, 0, 0, 0.08);
    --shadow-glow: 0 0 20px rgba(79, 70, 229, 0.05);
    
    --scrollbar-track: #f9fafb;
    --scrollbar-thumb: #d1d5db;
    --scrollbar-thumb-hover: #9ca3af;
}

/* --- Reset & Base Styles --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    background: var(--bg-gradient);
    background-color: var(--bg-app);
    color: var(--text-primary);
    font-family: var(--font-body);
    min-height: 100vh;
    line-height: 1.5;
    overflow-x: hidden;
    transition: background-color 0.4s ease, color 0.4s 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(--scrollbar-thumb-hover);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* ==========================================================================
   Layout & Structure
   ========================================================================== */

.app-container {
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    gap: var(--spacing-md);
}

/* Header styling */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-surface);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-main);
    transition: var(--transition-smooth);
}

.brand-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.logo-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius-md);
    background: linear-gradient(135deg, var(--accent-indigo), var(--accent-teal));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.logo-icon svg {
    width: 26px;
    height: 26px;
}

.brand-text h1 {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-indigo));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand-text p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* Preset selection styling */
.preset-wrapper select {
    background-color: var(--bg-surface-solid);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 0.6rem var(--spacing-lg) 0.6rem var(--spacing-sm);
    font-family: var(--font-body);
    font-weight: 500;
    cursor: pointer;
    outline: none;
    transition: var(--transition-fast);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 14px;
}

.preset-wrapper select:hover,
.preset-wrapper select:focus {
    border-color: var(--accent-indigo);
    box-shadow: var(--shadow-glow);
}

/* ==========================================================================
   Grid System (Responsive Mobile First)
   ========================================================================== */

.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    align-items: start;
}

/* Media Queries for Responsive Multi-Column Grid */
@media (min-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 380px 1fr;
    }
    
    .projection-col {
        grid-column: span 2;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-md);
    }
}

@media (min-width: 1280px) {
    .dashboard-grid {
        grid-template-columns: 380px 1fr 400px;
    }
    
    .projection-col {
        grid-column: span 1;
        display: flex;
        flex-direction: column;
    }
}

.dashboard-col {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    width: 100%;
}

/* ==========================================================================
   UI Components (Cards, Inputs, Buttons)
   ========================================================================== */

/* Glass Cards */
.card {
    background: var(--bg-surface);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-main);
    padding: var(--spacing-lg);
    transition: var(--transition-smooth);
    overflow: hidden;
}

.card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-main), var(--shadow-glow);
}

.card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.card-header h2 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
}

/* Card Icons */
.card-title-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
}

.card-title-icon svg {
    width: 20px;
    height: 20px;
}

.icon-income { background: linear-gradient(135deg, var(--accent-emerald), #059669); }
.icon-expense { background: linear-gradient(135deg, var(--accent-rose), #e11d48); }
.icon-projection { background: linear-gradient(135deg, var(--accent-indigo), #4f46e5); }
.icon-coach { background: linear-gradient(135deg, #f59e0b, #d97706); }

/* Forms */
.transaction-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-row {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.grid-2-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.input-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.input-group input,
.input-group select {
    background-color: var(--bg-surface-solid);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 0.75rem var(--spacing-sm);
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition-fast);
}

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

.input-group input:focus,
.input-group select:focus {
    border-color: var(--accent-indigo);
    box-shadow: var(--shadow-glow);
}

/* Currency Wrapper */
.amount-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.amount-input-wrapper .currency-symbol {
    position: absolute;
    left: 12px;
    font-weight: 600;
    color: var(--text-secondary);
}

.amount-input-wrapper input {
    padding-left: 28px;
    width: 100%;
}

/* Range Sliders */
.range-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.range-labels {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.range-labels label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.range-value {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--accent-indigo);
    background-color: var(--accent-indigo-glow);
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    font-size: 0.85rem;
}

input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--border-color);
    outline: none;
    margin: 10px 0;
    transition: var(--transition-fast);
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent-indigo);
    cursor: pointer;
    transition: var(--transition-fast);
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.4);
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    background: var(--accent-teal);
    box-shadow: 0 0 10px rgba(20, 184, 166, 0.4);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.75rem 1.25rem;
    cursor: pointer;
    outline: none;
    border: none;
    transition: var(--transition-fast);
    text-align: center;
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-indigo), #4f46e5);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.35);
}

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

.btn-danger {
    background: linear-gradient(135deg, var(--accent-rose), #e11d48);
    color: #ffffff;
    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-danger:active {
    transform: translateY(0);
}

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

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

.btn-icon {
    width: 38px;
    height: 38px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-surface-solid);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-icon:hover {
    color: var(--text-primary);
    border-color: var(--accent-indigo);
    box-shadow: var(--shadow-glow);
}

.btn-icon svg {
    width: 20px;
    height: 20px;
}

/* Light / Dark Mode Toggle Logic */
.dark-theme .sun-icon { display: block; }
.dark-theme .moon-icon { display: none; }
.light-theme .sun-icon { display: none; }
.light-theme .moon-icon { display: block; }

/* ==========================================================================
   List Elements (Transaction Items)
   ========================================================================== */

.transaction-list-container {
    margin-top: var(--spacing-lg);
}

.transaction-list-container h3 {
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--spacing-xs);
}

.transaction-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 280px;
    overflow-y: auto;
    padding-right: 4px;
}

.transaction-list .empty-state {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-align: center;
    padding: var(--spacing-md) 0;
    font-style: italic;
}

.transaction-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    background-color: var(--bg-surface-solid);
    border: 1px solid var(--border-color);
    animation: slideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transition: var(--transition-fast);
}

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

.item-details {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.item-name {
    font-weight: 600;
    font-size: 0.9rem;
}

.item-meta {
    font-size: 0.75rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.item-badge {
    background-color: var(--border-color);
    padding: 1px 6px;
    border-radius: 4px;
    text-transform: capitalize;
}

.item-amount {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.btn-remove {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition-fast);
    padding: 4px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-remove:hover {
    color: var(--accent-rose);
    background-color: var(--accent-rose-glow);
}

.btn-remove svg {
    width: 16px;
    height: 16px;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================================================
   Summary Cards (Cash Flow Grid)
   ========================================================================== */

.summary-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

@media (min-width: 640px) {
    .summary-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (min-width: 1024px) and (max-width: 1280px) {
    /* Tight layout for tablet sidebar config */
    .summary-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.summary-card {
    background: var(--bg-surface);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    position: relative;
    overflow: hidden;
}

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

.summary-card.active-period {
    border-color: var(--accent-indigo);
    background-color: var(--bg-card-hover);
    box-shadow: var(--shadow-glow);
}

.summary-card.active-period::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-indigo), var(--accent-teal));
}

.period-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

.summary-values {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 4px;
}

.val-group {
    display: flex;
    flex-direction: column;
}

.val-group span {
    font-size: 0.68rem;
    color: var(--text-muted);
    text-transform: uppercase;
    font-weight: 500;
}

.val-group strong {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 700;
}

.val-group.income strong { color: var(--text-primary); }
.val-group.expense strong { color: var(--text-secondary); }

/* Savings highlighting */
.val-group.surplus strong {
    font-size: 1.1rem;
}
.surplus-positive { color: var(--accent-emerald) !important; }
.surplus-negative { color: var(--accent-rose) !important; }

/* ==========================================================================
   Tabs & Chart Containers
   ========================================================================== */

.tabs-header {
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.chart-tabs {
    display: flex;
    background-color: var(--bg-surface-solid);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 3px;
}

.tab-btn {
    border: none;
    background: none;
    color: var(--text-secondary);
    padding: 0.4rem 0.8rem;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.8rem;
    cursor: pointer;
    border-radius: 6px;
    transition: var(--transition-fast);
}

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

.tab-btn.active {
    background-color: var(--accent-indigo-glow);
    color: var(--accent-indigo);
}

.tab-content {
    display: none;
    width: 100%;
}

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

.chart-container {
    position: relative;
    width: 100%;
    height: 280px;
    margin: auto;
}

.proj-chart-container {
    height: 220px;
}

/* ==========================================================================
   Financial Health Coach Section
   ========================================================================== */

.coach-card .coach-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex-direction: column;
}

@media (min-width: 640px) {
    .coach-card .coach-content {
        flex-direction: row;
    }
}

.savings-gauge-container {
    display: flex;
    justify-content: center;
    flex-shrink: 0;
}

.savings-gauge {
    position: relative;
    width: 110px;
    height: 110px;
}

.circular-chart {
    display: block;
    max-width: 100%;
    max-height: 100%;
}

.circle-bg {
    fill: none;
    stroke: var(--border-color);
    stroke-width: 2.8;
}

.circle {
    fill: none;
    stroke-width: 2.8;
    stroke-linecap: round;
    transition: stroke-dasharray 0.6s ease;
}

/* Dynamically colored gauge */
.savings-gauge.excellent .circle { stroke: var(--accent-emerald); }
.savings-gauge.good .circle { stroke: var(--accent-teal); }
.savings-gauge.warning .circle { stroke: #f59e0b; }
.savings-gauge.danger .circle { stroke: var(--accent-rose); }

.gauge-percentage {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    display: flex;
    flex-direction: column;
}

#savings-rate-pct {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 800;
}

.gauge-percentage small {
    font-size: 0.65rem;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--text-secondary);
}

.coach-insights-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    width: 100%;
}

.coach-insight-item {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    background-color: var(--bg-surface-solid);
    border-left: 3px solid var(--border-color);
    font-size: 0.85rem;
    line-height: 1.45;
}

.coach-insight-item.positive { border-left-color: var(--accent-emerald); }
.coach-insight-item.info { border-left-color: var(--accent-indigo); }
.coach-insight-item.warn { border-left-color: #f59e0b; }
.coach-insight-item.alert { border-left-color: var(--accent-rose); }

.coach-insight-item p {
    color: var(--text-secondary);
}

.coach-insight-item strong {
    color: var(--text-primary);
    display: block;
    font-size: 0.9rem;
    margin-bottom: 2px;
}

/* ==========================================================================
   Investment Settings & Results
   ========================================================================== */

.custom-contribution-container {
    padding: var(--spacing-sm);
    background-color: var(--bg-surface-solid);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    margin-top: var(--spacing-xs);
    animation: slideIn 0.25s ease;
}

.hidden {
    display: none !important;
}

.projection-stats {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    background-color: var(--bg-surface-solid);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
}

.proj-stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--spacing-sm);
}

.proj-stat-item span {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-weight: 600;
}

.proj-stat-item strong {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-teal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.proj-stat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
    text-align: center;
}

.sub-stat {
    display: flex;
    flex-direction: column;
}

.sub-stat span {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    font-weight: 600;
}

.sub-stat strong {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
}

.text-teal { color: var(--accent-teal); }

/* Footer styling */
.app-footer {
    text-align: center;
    padding: var(--spacing-lg) 0;
    color: var(--text-muted);
    font-size: 0.78rem;
    border-top: 1px solid var(--border-color);
    margin-top: var(--spacing-lg);
}

/* Utilities */
.disabled {
    opacity: 0.5;
    pointer-events: none;
    user-select: none;
    position: relative;
}

.disabled::after {
    content: 'Login Required';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-5deg);
    background-color: var(--accent-rose);
    color: #ffffff;
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    box-shadow: 0 4px 12px rgba(244, 63, 94, 0.4);
    pointer-events: auto;
    z-index: 10;
    opacity: 0.9;
}

/* Tax Note text inside label */
.tax-note {
    font-size: 0.72rem;
    color: var(--accent-indigo);
    font-weight: 600;
    text-transform: none;
    letter-spacing: 0;
    margin-left: 4px;
}

/* ==========================================================================
   Account & Authentication Widgets
   ========================================================================== */

.user-account-widget {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background-color: var(--bg-surface-solid);
    border: 1px solid var(--border-color);
    padding: 0.35rem 0.75rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.85rem;
    transition: var(--transition-fast);
}

#user-status-text {
    font-weight: 600;
    color: var(--text-secondary);
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
    border-radius: 6px;
}

.btn-icon-sm {
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-icon-sm:hover {
    color: var(--accent-rose);
    background-color: var(--accent-rose-glow);
    border-color: var(--accent-rose);
}

/* Modals Overlay */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

.modal-content {
    width: 100%;
    max-width: 400px;
    background: var(--bg-surface-solid);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-main);
    border-radius: var(--border-radius-lg);
    position: relative;
    padding: var(--spacing-lg);
    animation: modalPop 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modalPop {
    from {
        transform: scale(0.9) translateY(20px);
        opacity: 0;
    }
    to {
        transform: scale(1) translateY(0);
        opacity: 1;
    }
}

.close-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
    transition: var(--transition-fast);
}

.close-btn:hover {
    color: var(--text-primary);
    transform: scale(1.1);
}

/* Auth Tabs */
.auth-tabs {
    display: flex;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: var(--spacing-lg);
    gap: var(--spacing-md);
}

.auth-tab-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    padding-bottom: var(--spacing-xs);
    cursor: pointer;
    position: relative;
    transition: var(--transition-fast);
}

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

.auth-tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--accent-indigo);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.auth-error-msg {
    color: var(--accent-rose);
    background-color: var(--accent-rose-glow);
    border: 1px solid var(--accent-rose);
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-sm);
    font-size: 0.8rem;
    margin-top: var(--spacing-md);
    text-align: center;
    font-weight: 500;
}

/* ==========================================================================
   Profile Management
   ========================================================================== */

.profile-card-body {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.profile-note {
    font-size: 0.8rem;
    margin-bottom: var(--spacing-xs);
    text-align: center;
}

.profile-section {
    background-color: var(--bg-surface-solid);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.profile-section h3 {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 4px;
}

.profile-action-group {
    display: flex;
    gap: var(--spacing-xs);
}

.profile-action-group input {
    flex-grow: 1;
    background-color: var(--bg-app);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 0.45rem var(--spacing-sm);
    font-size: 0.85rem;
    outline: none;
    transition: var(--transition-fast);
}

.profile-action-group input:focus {
    border-color: var(--accent-indigo);
}

.profile-select-group {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
}

.profile-select-group select {
    flex-grow: 1;
    background-color: var(--bg-app);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 0.45rem var(--spacing-sm);
    font-size: 0.85rem;
    outline: none;
    cursor: pointer;
}

/* ==========================================================================
   Inline Profile Manager (IPM) — embedded below each list
   ========================================================================== */

.inline-profile-manager {
    margin-top: var(--spacing-md);
    border: 1px dashed var(--border-color);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    transition: var(--transition-fast);
}

.ipm-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px var(--spacing-md);
    background-color: var(--bg-surface-solid);
    border-bottom: 1px solid var(--border-color);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
}

.ipm-header svg {
    opacity: 0.7;
    flex-shrink: 0;
}

.ipm-login-hint {
    font-size: 0.75rem;
    font-weight: 400;
    font-style: italic;
    color: var(--text-muted, var(--text-secondary));
    text-transform: none;
    letter-spacing: 0;
    margin-left: auto;
}

.ipm-actions {
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    transition: opacity 0.2s;
}

.ipm-load-row,
.ipm-save-row {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
}

.ipm-select,
.ipm-name-input {
    flex-grow: 1;
    background-color: var(--bg-app);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 0.42rem var(--spacing-sm);
    font-size: 0.82rem;
    font-family: var(--font-body);
    outline: none;
    transition: border-color 0.15s;
}

.ipm-select:focus,
.ipm-name-input:focus {
    border-color: var(--accent-indigo);
}

.ipm-select {
    cursor: pointer;
}



/* ==========================================================================
   Scenario Matrix Card
   ========================================================================== */

.matrix-card-body {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.matrix-note {
    font-size: 0.85rem;
}

.matrix-table-wrapper {
    overflow-x: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
}

.matrix-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
    text-align: center;
}

.matrix-table th, 
.matrix-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    white-space: nowrap;
}

.matrix-table th:last-child, 
.matrix-table td:last-child {
    border-right: none;
}

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

.matrix-table th {
    background-color: var(--bg-surface-solid);
    font-weight: 700;
    color: var(--text-secondary);
    font-family: var(--font-heading);
}

.matrix-table td .surplus-amt {
    font-weight: 600;
    display: block;
    color: var(--text-primary);
}

.matrix-table td .wealth-proj {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--accent-teal);
    font-size: 0.9rem;
    display: block;
}

/* Maximum Return Cell Highlight */
.matrix-table td.max-yield-cell {
    background: linear-gradient(135deg, rgba(234, 179, 8, 0.1), rgba(234, 179, 8, 0.03)) !important;
    border: 2px solid #eab308 !important;
    box-shadow: inset 0 0 15px rgba(234, 179, 8, 0.2);
    animation: goldPulse 2.5s infinite alternate;
}

.matrix-table td.max-yield-cell .surplus-amt {
    color: #eab308;
}

.matrix-table td.max-yield-cell .wealth-proj {
    color: #eab308;
    text-shadow: 0 0 8px rgba(234, 179, 8, 0.3);
}

@keyframes goldPulse {
    0% {
        box-shadow: inset 0 0 15px rgba(234, 179, 8, 0.15);
    }
    100% {
        box-shadow: inset 0 0 25px rgba(234, 179, 8, 0.4);
    }
}

/* ==========================================================================
   Wealth Catalyst (10% Optimization) Card
   ========================================================================== */

.catalyst-card .catalyst-body {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.catalyst-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
}

.catalyst-item {
    background-color: var(--bg-surface-solid);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 4px;
    transition: var(--transition-smooth);
}

.catalyst-item:hover {
    transform: translateY(-2px);
    border-color: var(--border-hover);
}

.catalyst-label {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
}

.catalyst-val-diff {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--accent-emerald);
}

.catalyst-val-diff.text-rose {
    color: var(--accent-rose);
}

.catalyst-note {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    font-weight: 600;
    margin-top: 4px;
}

.catalyst-val-wealth {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--accent-teal);
}

/* Combined Catalyst Display Banner */
.catalyst-combined {
    background: linear-gradient(135deg, var(--accent-indigo-glow), rgba(20, 184, 166, 0.04));
    border: 1px solid var(--accent-indigo);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    position: relative;
    overflow: hidden;
}

.catalyst-combined::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, var(--accent-indigo), var(--accent-teal));
}

.combined-label {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.combined-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
}

.combined-stats div {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.combined-stats div span {
    font-size: 0.65rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-weight: 600;
}

.combined-stats div strong {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 800;
}

/* Advisor Coach Comment */
.catalyst-comment {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    padding: var(--spacing-md);
    background-color: var(--bg-surface-solid);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--accent-teal);
    font-style: italic;
}

/* ==========================================================================
   Global Notification Banner
   ========================================================================== */

.global-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    padding: 12px var(--spacing-xl);
    font-size: 0.9rem;
    font-weight: 500;
    animation: slideDown 0.3s ease;
}

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

.global-banner.banner-success {
    background: linear-gradient(135deg, rgba(16,185,129,0.2), rgba(99,102,241,0.15));
    border-bottom: 1px solid var(--accent-teal);
    color: #6ee7b7;
}

.global-banner.banner-error {
    background: linear-gradient(135deg, rgba(244,63,94,0.2), rgba(168,85,247,0.1));
    border-bottom: 1px solid var(--accent-rose);
    color: #fca5a5;
}

.global-banner.banner-info {
    background: linear-gradient(135deg, rgba(99,102,241,0.2), rgba(20,184,166,0.1));
    border-bottom: 1px solid var(--accent-indigo);
    color: #a5b4fc;
}

#global-banner-close {
    background: none;
    border: none;
    color: inherit;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0.7;
    flex-shrink: 0;
    padding: 0 4px;
}

#global-banner-close:hover { opacity: 1; }

/* ==========================================================================
   Auth Modal Enhancements
   ========================================================================== */

.btn-link {
    background: none;
    border: none;
    color: var(--accent-indigo);
    font-size: 0.82rem;
    font-family: var(--font-body);
    cursor: pointer;
    padding: 6px 0 0;
    display: block;
    text-align: center;
    width: 100%;
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: color 0.15s;
}

.btn-link:hover { color: var(--accent-teal); }

.auth-hint {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.55;
    margin-bottom: 6px;
}

.auth-hint strong { color: var(--text-primary); }

.auth-success-icon {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 12px;
    display: block;
    filter: grayscale(0.3);
}

/* ==========================================================================
   Help Button (Header)
   ========================================================================== */

.btn-help {
    color: var(--accent-indigo);
    opacity: 0.8;
}
.btn-help:hover {
    color: var(--accent-teal);
    opacity: 1;
    transform: scale(1.1);
}

/* ==========================================================================
   Welcome Modal
   ========================================================================== */

.welcome-card {
    max-width: 440px;
    width: 100%;
    margin: auto;
    padding: var(--spacing-xl);
    position: relative;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.welcome-logo {
    display: flex;
    justify-content: center;
    color: var(--accent-teal);
    margin-bottom: 16px;
}

.welcome-title {
    font-size: 1.5rem;
    font-family: var(--font-heading);
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 8px;
}

.welcome-subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 24px;
    line-height: 1.5;
}

.welcome-benefits {
    list-style: none;
    padding: 0;
    margin: 0 0 32px 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.welcome-benefits li {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.benefit-icon {
    font-size: 1.4rem;
    flex-shrink: 0;
    padding-top: 2px;
}

.welcome-benefits strong {
    display: block;
    color: var(--text-primary);
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.welcome-benefits span {
    display: block;
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.4;
}

.welcome-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.welcome-tour-cta {
    background: linear-gradient(135deg, var(--accent-teal), var(--accent-indigo));
    border: none;
    font-weight: 600;
}

.welcome-tour-cta:hover {
    filter: brightness(1.1);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

/* ==========================================================================
   Guided Tour
   ========================================================================== */

.tour-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 9998;
    pointer-events: auto; /* blocks clicking beneath */
    transition: clip-path 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

/* 
  The spotlight element adds the glowing border and sits exactly over the target 
  Note: pointer-events: none lets clicks pass through to the real element if needed
*/
.tour-spotlight {
    position: absolute;
    box-sizing: border-box;
    border: 2px solid var(--accent-teal);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.75), 0 0 20px rgba(16, 185, 129, 0.4), inset 0 0 15px rgba(16, 185, 129, 0.2);
    z-index: 9999;
    pointer-events: none;
    transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    animation: pulse-glow 2s infinite alternate;
}

@keyframes pulse-glow {
    0% { border-color: rgba(16, 185, 129, 0.6); box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.75), 0 0 15px rgba(16, 185, 129, 0.3), inset 0 0 10px rgba(16, 185, 129, 0.1); }
    100% { border-color: rgba(16, 185, 129, 1); box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.75), 0 0 25px rgba(16, 185, 129, 0.6), inset 0 0 20px rgba(16, 185, 129, 0.3); }
}

.tour-tooltip {
    position: absolute;
    z-index: 10000;
    background-color: var(--bg-surface-solid);
    border: 1px solid var(--border-color);
    border-top: 2px solid var(--accent-indigo);
    border-radius: var(--border-radius-md);
    padding: 20px;
    width: 320px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

.tour-progress {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.tour-step-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-indigo);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.tour-dots {
    display: flex;
    gap: 4px;
}

.tour-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--border-color);
    transition: background-color 0.3s;
}

.tour-dot.active {
    background-color: var(--accent-teal);
    transform: scale(1.2);
}

.tour-tooltip-title {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin: 0 0 8px 0;
    font-family: var(--font-heading);
}

.tour-tooltip-body {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0 0 20px 0;
}

.tour-tooltip-body strong {
    color: var(--text-primary);
}

.tour-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* ==========================================================================
   Empty State Hints
   ========================================================================== */

.empty-hint {
    padding: 32px 20px;
    text-align: center;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--border-radius-md);
    border: 1px dashed var(--border-color);
    margin-bottom: 16px;
    animation: fadeIn 0.5s ease;
}

.empty-hint-icon {
    font-size: 2rem;
    margin-bottom: 12px;
    display: inline-block;
    opacity: 0.8;
}

.empty-hint p {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.5;
}