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

:root {
    /* Material Design 3 Color Palette - Vibrant & Modern */
    --primary-color: #6750A4;
    --primary-dark: #4F378B;
    --primary-light: #7F67BE;
    --secondary-color: #625B71;
    --tertiary-color: #7D5260;
    --accent-color: #E91E63;
    
    /* Surface & Background */
    --bg-color: #FEF7FF;
    --surface: #FFFBFE;
    --surface-variant: #E7E0EC;
    --card-bg: #FFFFFF;
    
    /* Text Colors */
    --text-primary: #1C1B1F;
    --text-secondary: #49454F;
    --on-primary: #FFFFFF;
    --on-surface: #1C1B1F;
    
    /* Accent Colors - Vibrant */
    --success-color: #00897B;
    --success-light: #4DB6AC;
    --warning-color: #FB8C00;
    --warning-light: #FFB74D;
    --danger-color: #E53935;
    --danger-light: #EF5350;
    --info-color: #1E88E5;
    --info-light: #42A5F5;
    
    /* Tab Colors - Distinct & Vibrant */
    --tab-dashboard: #6750A4;
    --tab-ledger: #1E88E5;
    --tab-accounts: #00897B;
    --tab-categories: #FB8C00;
    --tab-budget: #E91E63;
    --tab-bills: #7D5260;
    --tab-reports: #5E35B1;
    --tab-settings: #546E7A;
    
    /* Borders & Dividers */
    --border-color: #CAC4D0;
    --outline: #79747E;
    
    /* Shadows - Material Design 3 */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.08);
    --shadow: 0 2px 6px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.15);
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* Border Radius - Material Design 3 */
    --radius-xs: 4px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 28px;
}

body.dark-mode {
    --bg-color: #1C1B1F;
    --surface: #1C1B1F;
    --surface-variant: #49454F;
    --card-bg: #2B2930;
    --text-primary: #E6E1E5;
    --text-secondary: #CAC4D0;
    --on-surface: #E6E1E5;
    --border-color: #49454F;
    --outline: #938F99;
}

body {
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Global smooth transitions */
* {
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

/* Login Page - Enhanced */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #6750A4 0%, #7F67BE 50%, #E91E63 100%);
    padding: var(--spacing-md);
}

.login-card {
    background: var(--card-bg);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    text-align: center;
    width: 100%;
    max-width: 400px;
    animation: slideUp 0.4s ease-out;
}

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

.login-card h1 {
    font-size: 32px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.login-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    font-size: 14px;
}

.input-field {
    position: relative;
    margin-bottom: var(--spacing-md);
}

.input-field input {
    width: 100%;
    padding: 14px 44px 14px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 16px;
    transition: all 0.2s;
    background: var(--surface);
    color: var(--text-primary);
}

.input-field input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(103, 80, 164, 0.12);
}

.input-field .material-icons {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 20px;
}

.error-message {
    color: var(--danger-color);
    font-size: 13px;
    margin-top: var(--spacing-sm);
    text-align: left;
}

/* Header - Modern Gradient */
.app-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--on-primary);
    padding: var(--spacing-md) var(--spacing-md);
    text-align: center;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 200;
}

.app-header h1 {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

/* Navigation Tabs - Beautiful & Modern */
.tab-navigation {
    display: flex;
    background: var(--card-bg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    overflow-x: auto;
    position: sticky;
    top: 78px; /* Height of header */
    z-index: 100;
    scrollbar-width: none;
    -ms-overflow-style: none;
    border-bottom: 2px solid var(--surface-variant);
}

body.dark-mode .tab-navigation {
    background: var(--card-bg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    border-bottom: 2px solid var(--surface-variant);
}

.tab-navigation::-webkit-scrollbar {
    display: none;
}

.tab-btn {
    flex: 1 1 auto;
    min-width: 100px;
    padding: 16px var(--spacing-md);
    background: none;
    border: none;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    position: relative;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

/* Individual Tab Colors */
.tab-btn:nth-child(1) {
    --tab-color: var(--tab-dashboard);
}

.tab-btn:nth-child(2) {
    --tab-color: var(--tab-ledger);
}

.tab-btn:nth-child(3) {
    --tab-color: var(--tab-accounts);
}

.tab-btn:nth-child(4) {
    --tab-color: var(--tab-categories);
}

.tab-btn:nth-child(5) {
    --tab-color: var(--tab-budget);
}

.tab-btn:nth-child(6) {
    --tab-color: var(--tab-bills);
}

.tab-btn:nth-child(7) {
    --tab-color: var(--tab-reports);
}

.tab-btn:nth-child(8) {
    --tab-color: var(--tab-settings);
}

.tab-btn:hover {
    background: rgba(103, 80, 164, 0.05);
    color: var(--tab-color);
    transform: translateY(-1px);
}

.tab-btn.active {
    color: var(--tab-color);
    font-weight: 700;
    background: linear-gradient(180deg, rgba(103, 80, 164, 0.04) 0%, transparent 100%);
}

/* Single bottom indicator for active tab */
.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--tab-color);
    border-radius: 3px 3px 0 0;
    box-shadow: 0 -2px 6px rgba(103, 80, 164, 0.2);
}

/* Tab Content - Responsive Container */
.tab-content {
    display: none !important;
    padding: clamp(12px, 3vw, 24px);
    max-width: 1600px;
    margin: 0 auto;
    animation: fadeIn 0.3s ease-in;
}

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Dashboard Grid - Fluid & Fully Responsive */
#dashboard.active {
    display: grid !important;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 350px), 1fr));
    gap: clamp(16px, 2.5vw, 24px);
    width: 100%;
}

/* Net Worth Container - Two Column Layout for Large Screens */
.net-worth-container {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(16px, 2.5vw, 24px);
}

@media (min-width: 968px) {
    .net-worth-container {
        grid-template-columns: 1fr 2fr;
    }
}

.net-worth-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: var(--card-bg);
    min-height: 250px;
    position: relative;
    overflow: hidden;
    border: 2px solid var(--primary-color);
}

.net-worth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    opacity: 0.05;
    pointer-events: none;
}

.net-worth-card > * {
    position: relative;
    z-index: 1;
}

.net-worth-card h2 {
    color: var(--text-primary) !important;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
    border-bottom: 3px solid !important;
    border-image: linear-gradient(90deg, var(--primary-color), var(--primary-light)) 1 !important;
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
}

.net-worth-card .net-worth-display {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: var(--spacing-xl);
    padding: var(--spacing-md) 0;
}

.net-worth-card .net-worth-main {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.net-worth-card .currency {
    font-size: 36px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.net-worth-card .amount-large {
    font-size: clamp(48px, 6vw, 72px);
    font-weight: 800;
    letter-spacing: -2px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.net-worth-breakdown {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-md);
    margin: 0 var(--spacing-md);
}

.breakdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    flex: 1;
}

.breakdown-label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: rgba(255, 255, 255, 0.9);
}

.breakdown-value {
    font-size: 1.4rem;
    font-weight: 800;
    color: #FFFFFF;
}

.breakdown-divider {
    width: 2px;
    height: 50px;
    background: rgba(255, 255, 255, 0.3);
}

.breakdown-item.assets .breakdown-label {
    color: rgba(255, 255, 255, 0.9);
}

.breakdown-item.liabilities .breakdown-label {
    color: rgba(255, 255, 255, 0.9);
}

.net-worth-chart-card {
    display: flex;
    flex-direction: column;
    min-height: 250px;
}

.net-worth-chart-card canvas {
    flex-grow: 1;
}

/* Cards - Material Design 3 Style */
.card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: clamp(16px, 3vw, 24px);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border-color);
    overflow: hidden;
    width: 100%;
    animation: cardFadeIn 0.5s ease-out;
}

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

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card:active {
    transform: translateY(0);
}

/* Stagger animation for cards */
.card:nth-child(1) { animation-delay: 0s; }
.card:nth-child(2) { animation-delay: 0.1s; }
.card:nth-child(3) { animation-delay: 0.2s; }
.card:nth-child(4) { animation-delay: 0.3s; }
.card:nth-child(5) { animation-delay: 0.4s; }
.card:nth-child(6) { animation-delay: 0.5s; }

/* Card Headers - Bold & Colorful */
.card h2 {
    font-size: clamp(18px, 2.5vw, 22px);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    color: transparent;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-bottom: 3px solid;
    border-image: linear-gradient(90deg, var(--primary-color), var(--accent-color)) 1;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card h2 .material-icons {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 24px;
    font-weight: 900;
}

/* Net Worth Display - Compact for All Screens */
.net-worth-display {
    text-align: center;
    margin: var(--spacing-md) 0;
    padding: var(--spacing-md) var(--spacing-lg);
    background: linear-gradient(135deg, 
        rgba(103, 80, 164, 0.1) 0%, 
        rgba(233, 30, 99, 0.06) 50%,
        rgba(30, 136, 229, 0.1) 100%);
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    background-clip: padding-box;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.net-worth-display::before {
    content: '';
    position: absolute;
    top: -1px;
    left: -1px;
    right: -1px;
    bottom: -1px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color), var(--info-color));
    border-radius: var(--radius-sm);
    z-index: -1;
    opacity: 0.5;
}

.net-worth-display::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, 
        rgba(255, 255, 255, 0.9) 0%, 
        rgba(255, 255, 255, 0.7) 100%);
    z-index: -1;
    border-radius: var(--radius-sm);
}

body.dark-mode .net-worth-display::after {
    background: radial-gradient(circle at 50% 50%, 
        rgba(43, 41, 48, 0.95) 0%, 
        rgba(28, 27, 31, 0.9) 100%);
}

.currency {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 0;
}

.amount-large {
    font-size: 32px;
    font-weight: 800;
    background: linear-gradient(135deg, 
        var(--primary-color) 0%, 
        var(--accent-color) 50%, 
        var(--info-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin: 0;
    letter-spacing: -1.5px;
}

/* Budget Progress - Compact */
.budget-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: linear-gradient(135deg, rgba(103, 80, 164, 0.05), rgba(233, 30, 99, 0.05));
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.summary-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-sm);
    transition: transform 0.3s ease;
}

.summary-item:hover {
    transform: translateY(-2px);
}

.summary-item .label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
}

.summary-item .value {
    font-size: 24px;
    font-weight: 700;
    transition: color 0.3s ease;
}

.summary-item .value.spent {
    color: var(--danger-color);
}

.summary-item .value.budget {
    color: var(--primary-color);
}

.summary-item .value.percentage {
    color: var(--info-color);
}

.budget-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--surface-variant);
    border-radius: var(--radius-sm);
}

.budget-info > div:first-child {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.budget-info span {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 600;
}

.budget-info .percentage {
    font-size: 24px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--info-color), var(--success-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.progress-bar {
    height: 8px;
    background: var(--surface-variant);
    border-radius: var(--radius-xl);
    overflow: hidden;
    position: relative;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--info-color), var(--success-color));
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    border-radius: var(--radius-xl);
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    animation: shimmer 2s infinite;
}

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

/* Account Pills - Compact */
/* Account Pills Section */
.pill-section {
    margin-bottom: var(--spacing-xl);
}

.pill-section-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--border-color);
}


/* --- Dashboard: All Accounts Pills --- */
/* --- Dashboard: All Accounts Compact Pills --- */
.account-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 8px;
    justify-content: flex-start;
}

.account-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--surface);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 999px; /* pill shape */
    padding: 6px 12px;
    font-size: 13px;
    font-weight: 600;
    line-height: 1;
    white-space: nowrap;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease;
}

.account-pill:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

/* Subtle color accents by type */
.account-pill.ASSET {
    background: rgba(22, 163, 74, 0.08);
    border-color: rgba(22, 163, 74, 0.3);
}

.account-pill.LIABILITIES {
    background: rgba(234, 88, 12, 0.08);
    border-color: rgba(234, 88, 12, 0.3);
}

.account-pill.INCOME {
    background: rgba(37, 99, 235, 0.08);
    border-color: rgba(37, 99, 235, 0.3);
}

.account-pill .account-name {
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 140px;
}

.account-pill .amount {
    font-weight: 700;
    color: var(--text-secondary);
}



/* Charts/Canvas - Compact Size */
canvas {
    max-height: 250px !important;
    width: 100% !important;
    height: auto !important;
}

/* Budget chart needs more height for horizontal bars */
#budgetChart {
    max-height: 400px !important;
    min-height: 300px !important;
}

/* Specific sizing for dashboard charts */
#dashboard canvas {
    max-height: 200px !important;
}

#dashboard #budgetChart {
    max-height: 400px !important;
    min-height: 300px !important;
}

@media (min-width: 768px) {
    canvas {
        max-height: 280px !important;
    }
    
    #dashboard canvas {
        max-height: 220px !important;
    }
    
    #budgetChart {
        max-height: 450px !important;
        min-height: 350px !important;
    }
    
    #dashboard #budgetChart {
        max-height: 450px !important;
        min-height: 350px !important;
    }
}

@media (min-width: 1024px) {
    canvas {
        max-height: 300px !important;
    }
    
    #dashboard canvas {
        max-height: 240px !important;
    }
    
    #budgetChart {
        max-height: 500px !important;
        min-height: 400px !important;
    }
    
    #dashboard #budgetChart {
        max-height: 500px !important;
        min-height: 400px !important;
    }
}

/* Table - Modern Material Design with Fluid Responsiveness */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    width: 100%;
    max-width: 100%;
}

table {
    width: 100%;
    min-width: 600px;
    border-collapse: separate;
    border-spacing: 0;
}

table th {
    text-align: left;
    padding: clamp(10px, 1.5vw, 14px);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--on-primary);
    font-weight: 800;
    font-size: clamp(11px, 1.2vw, 13px);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    white-space: nowrap;
}

table th:first-child {
    border-top-left-radius: var(--radius-md);
}

table th:last-child {
    border-top-right-radius: var(--radius-md);
}

table td {
    padding: clamp(10px, 1.5vw, 14px);
    border-bottom: 1px solid var(--border-color);
    font-size: clamp(12px, 1.2vw, 13px);
    white-space: nowrap;
}

table tbody tr {
    transition: background 0.2s;
}

table tbody tr:hover {
    background: rgba(103, 80, 164, 0.06);
}

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

table tbody tr:last-child td:first-child {
    border-bottom-left-radius: var(--radius-md);
}

table tbody tr:last-child td:last-child {
    border-bottom-right-radius: var(--radius-md);
}

table tr.urgency-high {
    background: rgba(229, 57, 53, 0.1);
    border-left: 4px solid var(--danger-color);
}

table tr.urgency-high:hover {
    background: rgba(229, 57, 53, 0.15);
}

table tr.urgency-medium {
    background: rgba(251, 140, 0, 0.1);
    border-left: 4px solid var(--warning-color);
}

table tr.urgency-medium:hover {
    background: rgba(251, 140, 0, 0.15);
}

/* Responsive Table on Large Screens */
@media (min-width: 1200px) {
    table {
        min-width: 100%;
        table-layout: auto;
    }
    
    table th,
    table td {
        white-space: normal;
        word-wrap: break-word;
        padding: 10px;
    }
    
    table th {
        font-size: 11px;
    }
    
    table td {
        font-size: 12px;
    }
}

/* Transaction/Account Cards */
.transaction-card, .account-card {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border-color);
}

.transaction-card:hover, .account-card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-2px);
    border-color: var(--primary-light);
}

.transaction-card.editing, .account-card.editing {
    border-color: var(--primary-color);
    border-width: 2px;
    box-shadow: 0 4px 16px rgba(103, 80, 164, 0.2);
}

.transaction-card.add-form, .account-card.add-form {
    background: linear-gradient(135deg, rgba(103, 80, 164, 0.08), rgba(103, 80, 164, 0.04));
    border: 2px dashed var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

/* Transaction Grid - Fluid Responsive */
.transaction-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 140px), 1fr));
    gap: var(--spacing-md);
    align-items: center;
}

.transaction-grid input,
.transaction-grid select {
    padding: 12px 14px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 14px;
    background: var(--surface);
    color: var(--text-primary);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    width: 100%;
}

.transaction-grid input:hover,
.transaction-grid select:hover {
    border-color: var(--primary-light);
}

.transaction-grid input:focus,
.transaction-grid select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(103, 80, 164, 0.15);
    transform: translateY(-1px);
}

/* Transaction Display */
.transaction-display {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 120px), 1fr));
    gap: var(--spacing-md);
    align-items: start;
}

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

.transaction-display .field-label {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.8px;
}

.transaction-display .field-value {
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 500;
}

.transaction-display .amount-display {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-color);
}

.transaction-display .route {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
}

.transaction-display .route .material-icons {
    font-size: 16px;
}

/* Account Grid - Fluid Responsive */
.account-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 160px), 1fr));
    gap: var(--spacing-md);
    align-items: center;
}

.account-grid input,
.account-grid select {
    padding: 12px 14px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 14px;
    background: var(--surface);
    color: var(--text-primary);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    width: 100%;
}

.account-grid input:hover:not(:disabled),
.account-grid select:hover:not(:disabled) {
    border-color: var(--primary-light);
}

.account-grid input:focus,
.account-grid select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(103, 80, 164, 0.15);
    transform: translateY(-1px);
}

/* Account Display */
.account-display {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 140px), 1fr));
    gap: var(--spacing-md);
    align-items: start;
}

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

.account-display .field-label {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.8px;
}

.account-display .field-value {
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 500;
}

.account-display .account-name {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
}

.account-display .type-badge {
    display: inline-block;
    padding: 6px 14px;
    border-radius: var(--radius-xl);
    font-size: 12px;
    font-weight: 700;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.account-display .type-badge.asset {
    background: linear-gradient(135deg, var(--success-color), var(--success-light));
}

.account-display .type-badge.liabilities {
    background: linear-gradient(135deg, var(--danger-color), var(--danger-light));
}

.account-display .type-badge.income {
    background: linear-gradient(135deg, var(--info-color), var(--info-light));
}

.account-display .type-badge.expense {
    background: linear-gradient(135deg, var(--warning-color), var(--warning-light));
}

.account-display .amount-display {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-color);
}

/* Action Buttons - FIXED POSITION for Ledger Tab */
.action-buttons {
    display: flex;
    gap: var(--spacing-xs);
    justify-content: flex-end;
    align-items: center;
}

/* Fixed button container for ledger tab */
#ledger .action-buttons {
    position: sticky;
    right: 0;
    background: var(--card-bg);
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    z-index: 10;
}

/* Radio Group */
.radio-group {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    padding: var(--spacing-sm);
    background: var(--surface-variant);
    border-radius: var(--radius-sm);
    flex-wrap: wrap;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
    font-size: 14px;
    color: var(--text-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-xs);
    transition: background 0.2s;
    font-weight: 600;
}

.radio-label:hover {
    background: rgba(103, 80, 164, 0.12);
}

.radio-label input[type="radio"] {
    cursor: pointer;
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
}

/* Buttons - Material Design 3 */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--on-primary);
    padding: 14px 28px;
    border: none;
    border-radius: var(--radius-xl);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    width: 100%;
    box-shadow: var(--shadow);
    letter-spacing: 0.8px;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-primary:active {
    transform: translateY(0) scale(0.98);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color), var(--danger-light));
    color: white;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-xl);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    min-width: 120px;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.btn-danger:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--shadow-md);
}

.btn-danger:active {
    transform: translateY(0) scale(0.98);
}

.btn-secondary {
    background: var(--surface);
    color: var(--primary-color);
    padding: 10px 20px;
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-xl);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    min-width: 100px;
    justify-content: center;
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--on-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-secondary:active {
    transform: translateY(0) scale(0.98);
}

.btn-secondary:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}

.btn-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    min-height: 40px;
    border-radius: 50%;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

.btn-icon .material-icons {
    font-size: 20px;
}

.btn-save {
    background: linear-gradient(135deg, var(--success-color), var(--success-light));
    color: white;
}

.btn-save:hover {
    transform: scale(1.15);
    box-shadow: var(--shadow);
}

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

.btn-cancel:hover {
    background: var(--outline);
    transform: scale(1.15);
    box-shadow: var(--shadow);
}

.btn-edit {
    background: linear-gradient(135deg, var(--info-color), var(--info-light));
    color: white;
}

.btn-edit:hover {
    transform: scale(1.15);
    box-shadow: var(--shadow);
}

.btn-delete {
    background: linear-gradient(135deg, var(--danger-color), var(--danger-light));
    color: white;
}

.btn-delete:hover {
    transform: scale(1.15);
    box-shadow: var(--shadow);
}

/* Floating Action Button */
.fab {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-color), #F50057);
    color: white;
    border: none;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
}

.fab:hover {
    transform: scale(1.15) rotate(90deg);
    box-shadow: 0 8px 28px rgba(233, 30, 99, 0.4);
}

.fab .material-icons {
    font-size: 28px;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    flex-wrap: wrap;
}

/* Settings */
.setting-item {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.setting-item:last-child {
    border-bottom: none;
}

.setting-item h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.password-form {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
}

.password-form input {
    flex: 1;
    min-width: 200px;
    padding: 12px 14px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 14px;
    background: var(--surface);
    color: var(--text-primary);
    transition: all 0.2s;
}

.password-form input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(103, 80, 164, 0.12);
}

/* Toggle Switch - Material Design 3 */
.toggle {
    position: relative;
    display: inline-block;
    width: 52px;
    height: 28px;
}

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

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--surface-variant);
    transition: 0.3s;
    border-radius: 28px;
    border: 2px solid var(--outline);
}

.slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 2px;
    bottom: 2px;
    background-color: var(--outline);
    transition: 0.3s;
    border-radius: 50%;
}

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

input:checked + .slider:before {
    transform: translateX(24px);
    background-color: white;
}

/* Chart Legend */
.chart-legend {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    justify-content: center;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 14px;
    font-weight: 600;
}

.legend-color {
    width: 18px;
    height: 18px;
    border-radius: var(--radius-xs);
    box-shadow: var(--shadow-sm);
}

/* Hide Amounts */
.hide-amounts .amount,
.hide-amounts .amount-large,
.hide-amounts .pill-amount,
.hide-amounts .breakdown-value,
.hide-amounts .value,
.hide-amounts .field-value,
.hide-amounts td:nth-child(3),
.hide-amounts #netWorthValue,
.hide-amounts #totalAssets,
.hide-amounts #totalLiabilities,
.hide-amounts #totalSpent,
.hide-amounts #totalBudget {
    filter: blur(10px);
    user-select: none;
}

/* Transaction/Account Lists */
.transaction-list, .account-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

/* ===== RESPONSIVE DESIGN - Fluid Mobile First ===== */

/* Large Desktop */
@media (min-width: 1400px) {
    .tab-content {
        max-width: 1800px;
    }
}

/* Tablets and smaller desktops */
@media (max-width: 1200px) {
    #dashboard.active {
        grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
    }
}

/* Tablets */
@media (max-width: 968px) {
    #dashboard.active {
        grid-template-columns: 1fr !important;
    }
    
    .transaction-grid, .transaction-display,
    .account-grid, .account-display {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .transaction-display .field,
    .account-display .field {
        display: grid;
        grid-template-columns: 100px 1fr;
        gap: var(--spacing-sm);
        align-items: center;
    }
    
    .transaction-grid .action-buttons,
    .account-grid .action-buttons {
        grid-column: 1;
        justify-content: center;
    }
    
    /* Better mobile layout for transaction form */
    .transaction-grid {
        display: grid !important;
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-sm);
    }
    
    .transaction-grid #tranDate {
        grid-column: 1;
    }
    
    .transaction-grid #tranTime {
        grid-column: 2;
    }
    
    .transaction-grid #fromAccount {
        grid-column: 1;
    }
    
    .transaction-grid #toAccount {
        grid-column: 2;
    }
    
    .transaction-grid #description {
        grid-column: 1 / -1;
    }
    
    .transaction-grid #amount {
        grid-column: 1;
    }
    
    .transaction-grid .action-buttons {
        grid-column: 2;
        justify-content: flex-end;
    }
    
    /* Better mobile layout for account form */
    .account-grid {
        display: grid !important;
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-sm);
    }
    
    .account-grid #accountName {
        grid-column: 1 / -1;
    }
    
    .account-grid #accountType {
        grid-column: 1;
    }
    
    .account-grid #accountAmount {
        grid-column: 2;
    }
    
    .account-grid .radio-group {
        grid-column: 1 / -1;
    }
    
    .account-grid #accountBudget {
        grid-column: 1;
    }
    
    .account-grid #accountDueDate {
        grid-column: 2;
    }
    
    .account-grid .action-buttons {
        grid-column: 1 / -1;
        justify-content: center;
    }
    
    table {
        min-width: 700px;
    }
    
    /* Mobile Net Worth */
    .net-worth-display {
        padding: var(--spacing-md);
    }

    .net-worth-breakdown {
        flex-direction: row;
        gap: var(--spacing-md);
        padding: 0; 
    }
    
    .breakdown-value {
        font-size: 1.1rem;
    }
        
    .breakdown-item {
        min-width: 100px;  /* Fixed: reduced from 120px */
        flex: 1;  /* Fixed: added flexibility */
    }
    .currency {
        font-size: 24px;
    }
    
    .amount-large {
        font-size: clamp(36px, 8vw, 48px);
        letter-spacing: -1.5px;
    }
}

/* Mobile Devices */
@media (max-width: 768px) {
    .tab-navigation {
        overflow-x: auto;
    }
    
    .tab-btn {
        font-size: 12px;
        padding: 12px var(--spacing-sm);
        min-width: 85px;
    }
    
    .fab {
        bottom: var(--spacing-md);
        right: var(--spacing-md);
        width: 56px;
        height: 56px;
    }
    
    .fab .material-icons {
        font-size: 24px;
    }
    
    .budget-info {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .pills-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: var(--spacing-sm);
    }
    
    table {
        min-width: 600px;
    }
}

/* Small Mobile Devices */
@media (max-width: 480px) {
    .app-header {
        padding: 12px var(--spacing-md);
    }
    
    .app-header h1 {
        font-size: 20px;
    }
    
    .tab-navigation {
        top: 68px; /* Adjusted for smaller header */
    }
    
    .tab-btn {
        font-size: 11px;
        padding: 10px 6px;
        min-width: 75px;
    }
    
    .pills-grid {
        grid-template-columns: 1fr;
    }
    
    table {
        font-size: 12px;
        min-width: 500px;
    }
    
    table th, table td {
        padding: var(--spacing-sm);
    }
    
    .transaction-card, .account-card {
        padding: 10px;
    }
    
    .transaction-display .field,
    .account-display .field {
        grid-template-columns: 80px 1fr;
    }
    
    .btn-icon {
        width: 36px;
        height: 36px;
        min-width: 36px;
        min-height: 36px;
    }
    
    .btn-icon .material-icons {
        font-size: 18px;
    }
    
    .login-card h1 {
        font-size: 26px;
    }
    
    /* Net Worth for small screens */
    .net-worth-breakdown {
        gap: var(--spacing-sm);
    }
    
    .breakdown-label {
        font-size: 0.65rem;
    }
    
    .breakdown-value {
        font-size: 1rem;
    }
    
    .breakdown-divider {
        height: 32px;
    }
    
    .amount-large {
        font-size: clamp(32px, 10vw, 42px);
    }
    
    .currency {
        font-size: 20px;
    }
}

/* Extra small screens */
@media (max-width: 360px) {
    :root {
        --spacing-md: 12px;
        --spacing-lg: 16px;
    }
}

/* Landscape orientation adjustments */
@media (max-height: 600px) and (orientation: landscape) {
    .login-container {
        padding: var(--spacing-sm);
    }
    
    .login-card {
        padding: var(--spacing-md);
    }
    
    .app-header {
        padding: var(--spacing-sm);
    }
    
    .app-header h1 {
        font-size: 18px;
    }
    
    .tab-navigation {
        top: 52px; /* Adjusted for smaller header in landscape */
    }
    
    .fab {
        width: 48px;
        height: 48px;
    }
}

/* Print styles */
@media print {
    .tab-navigation,
    .fab,
    .action-buttons,
    .app-header {
        display: none;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
        page-break-inside: avoid;
    }
}

/* ===== THEME COLOR SYSTEM ===== */

/* Theme Color Variables */
body[data-theme="purple"] {
    --primary-color: #6750A4;
    --primary-dark: #4F378B;
    --primary-light: #7F67BE;
    --accent-color: #E91E63;
}

body[data-theme="blue"] {
    --primary-color: #1976D2;
    --primary-dark: #1565C0;
    --primary-light: #42A5F5;
    --accent-color: #03A9F4;
}

body[data-theme="green"] {
    --primary-color: #388E3C;
    --primary-dark: #2E7D32;
    --primary-light: #66BB6A;
    --accent-color: #4CAF50;
}

body[data-theme="orange"] {
    --primary-color: #F57C00;
    --primary-dark: #E65100;
    --primary-light: #FF9800;
    --accent-color: #FF5722;
}

body[data-theme="pink"] {
    --primary-color: #C2185B;
    --primary-dark: #AD1457;
    --primary-light: #E91E63;
    --accent-color: #F06292;
}

body[data-theme="teal"] {
    --primary-color: #00897B;
    --primary-dark: #00796B;
    --primary-light: #26A69A;
    --accent-color: #009688;
}

/* Color Picker Styles */
.color-picker {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
}

.color-option {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    border: 3px solid transparent;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
}

.color-option:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

.color-option.active {
    border-color: var(--text-primary);
    transform: scale(1.15);
    box-shadow: var(--shadow-lg);
}

.color-option .material-icons {
    color: white;
    font-size: 28px;
    font-weight: bold;
    opacity: 0;
    transition: opacity 0.2s;
}

.color-option.active .material-icons {
    opacity: 1;
}

.color-option.purple {
    background: linear-gradient(135deg, #6750A4, #7F67BE);
}

.color-option.blue {
    background: linear-gradient(135deg, #1976D2, #42A5F5);
}

.color-option.green {
    background: linear-gradient(135deg, #388E3C, #66BB6A);
}

.color-option.orange {
    background: linear-gradient(135deg, #F57C00, #FF9800);
}

.color-option.pink {
    background: linear-gradient(135deg, #C2185B, #E91E63);
}

.color-option.teal {
    background: linear-gradient(135deg, #00897B, #26A69A);
}