:root {
    /* Colors - US Bank / Chase Inspired */
    --primary: #004a99;
    /* Chase Blue */
    --primary-dark: #10253f;
    /* Dark Navy */
    --primary-light: #117aca;
    /* Lighter Blue */
    --secondary: #e6e7e8;
    /* Light Slate */
    --accent: #d4ae3d;
    /* Golden/Sapphire Accent */

    --success: #128807;
    /* Conservative Bank Green */
    --error: #c00000;
    /* Formal Red */
    --warning: #f1c40f;
    --info: #004a99;

    --bg-primary: #f4f7f9;
    /* Clean background */
    --bg-secondary: #ffffff;
    /* Pure white for containers */
    --bg-tertiary: #e9eff4;
    --bg-card: #ffffff;
    --bg-card-hover: #f1f5f9;

    --text-primary: #10253f;
    /* Navy text */
    --text-secondary: #444444;
    --text-tertiary: #6b7280;

    --border-color: #d1d5db;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3.5rem;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.625rem;
    --font-size-3xl: 2.125rem;
    --font-size-4xl: 2.75rem;

    /* Border Radius */
    --radius-sm: 0.125rem;
    /* Shaper corners for corporate look */
    --radius-md: 0.25rem;
    --radius-lg: 0.375rem;
    --radius-xl: 0.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Reset & Base Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.5;
    overflow-x: hidden;
}

/* ===== Utility Classes ===== */
.hidden {
    display: none !important;
}

.view {
    display: none;
}

.view.active {
    display: block;
}

.content-section {
    display: none;
}

.content-section.active {
    display: block;
    animation: fadeIn var(--transition-base);
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Toast Notifications ===== */
#toast-container {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.toast {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    min-width: 300px;
    max-width: 400px;
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    animation: slideIn var(--transition-base);
    backdrop-filter: blur(10px);
}

.toast.success {
    border-left: 4px solid var(--success);
}

.toast.error {
    border-left: 4px solid var(--error);
}

.toast.warning {
    border-left: 4px solid var(--warning);
}

.toast.info {
    border-left: 4px solid var(--info);
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ===== Login View ===== */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    background: radial-gradient(circle at 50% 50%, rgba(102, 126, 234, 0.1) 0%, transparent 50%);
}

.login-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    width: 100%;
    max-width: 450px;
    box-shadow: var(--shadow-xl);
}

.logo {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.login-card h1 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

/* ===== Forms ===== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.input-with-prefix {
    position: relative;
    display: flex;
    align-items: center;
}

.input-prefix {
    position: absolute;
    left: var(--spacing-md);
    color: var(--text-tertiary);
    font-weight: 600;
}

.input-with-prefix input {
    padding-left: calc(var(--spacing-md) * 2);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    cursor: pointer;
}

/* ===== Buttons ===== */
.btn {
    padding: var(--spacing-md) var(--spacing-xl);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    /* Sharper for Chase */
    font-size: var(--font-size-sm);
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-primary {
    background: var(--primary);
    color: white;
    width: 100%;
}

.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: white;
    color: var(--primary);
    border-color: var(--primary);
}

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

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
}

.btn.loading .btn-text {
    display: none;
}

.btn.loading .btn-loader {
    display: block;
}

.btn-loader {
    display: none;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 2;
}

@keyframes spin {
    from {
        transform: translate(-50%, -50%) rotate(0deg);
    }

    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* ===== Error Messages ===== */
.error-message {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--error);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    color: var(--error);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-lg);
    display: none;
}

.error-message.show {
    display: block;
    animation: shake 0.3s;
}

@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-10px);
    }

    75% {
        transform: translateX(10px);
    }
}

/* ===== Demo Credentials ===== */
.demo-credentials {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
}

.demo-title {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.demo-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.demo-item {
    background: var(--bg-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

.demo-item strong {
    color: var(--text-primary);
}

/* ===== Navigation ===== */
.navbar {
    background: var(--primary-dark);
    border-bottom: 2px solid var(--accent);
    padding: var(--spacing-md) var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-md);
}

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

.nav-title {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: #ffffff;
    letter-spacing: -0.02em;
}

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

.nav-user span {
    color: #ffffff;
    font-size: var(--font-size-sm);
    font-weight: 500;
}

/* ===== Main Content Layout ===== */
.main-content {
    display: flex;
    min-height: calc(100vh - 73px);
}

.sidebar {
    width: 260px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: var(--spacing-lg) 0;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.02);
}

.menu {
    list-style: none;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-xl);
    margin-bottom: 2px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    border-left: 4px solid transparent;
}

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

.menu-item.active {
    background: var(--bg-tertiary);
    color: var(--primary);
    font-weight: 700;
    border-left: 4px solid var(--primary);
}

.menu-item svg {
    flex-shrink: 0;
}

.content {
    flex: 1;
    padding: var(--spacing-xl);
    overflow-y: auto;
}

/* ===== Section Headers ===== */
.section-header {
    margin-bottom: var(--spacing-xl);
}

.section-header h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: var(--font-size-base);
}

/* ===== Account Cards ===== */
.accounts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.account-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    position: relative;
    box-shadow: var(--shadow-sm);
}

.account-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary);
}

.account-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.account-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.account-type {
    font-size: var(--font-size-xs);
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 800;
}

.toggle-balance {
    background: transparent;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

.toggle-balance:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.account-number {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    letter-spacing: 0.1em;
}

.account-balance {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.balance-label {
    font-size: 10px;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 700;
}

.balance-amount {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary-dark);
}

.balance-amount.hidden-balance .balance-value {
    filter: blur(8px);
    user-select: none;
}

/* ===== Transactions ===== */
.transactions-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.transactions-section h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
}

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

.transaction-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.transaction-item:hover {
    background: var(--bg-tertiary);
}

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

.transaction-description {
    font-size: var(--font-size-base);
    color: var(--text-primary);
    font-weight: 500;
}

.transaction-date {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

.transaction-amount {
    font-size: var(--font-size-lg);
    font-weight: 700;
}

.transaction-amount.positive {
    color: var(--success);
}

.transaction-amount.negative {
    color: var(--error);
}

/* ===== Transfer Container ===== */
.transfer-container {
    max-width: 600px;
}

.transfer-container form {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

/* ===== Fixed Deposit ===== */
.fixed-deposit-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.active-deposits,
.new-deposit {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.active-deposits h3,
.new-deposit h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
}

#active-deposits-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.deposit-item {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.deposit-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.deposit-amount-display {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--primary);
}

.deposit-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.deposit-summary {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.summary-row:not(:last-child) {
    border-bottom: 1px solid var(--border-color);
}

.summary-value {
    font-weight: 600;
    color: var(--text-primary);
}

.summary-value.highlight {
    color: var(--primary);
    font-size: var(--font-size-lg);
}

/* ===== Client Data ===== */
.client-data-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.data-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.data-card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
}

.data-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

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

.data-label {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.data-value {
    font-size: var(--font-size-base);
    color: var(--text-primary);
    font-weight: 500;
}

.account-info,
.card-info {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.account-info-header,
.card-info-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.account-info-type,
.card-info-type {
    font-weight: 600;
    color: var(--text-primary);
}

.account-info-balance,
.card-info-limit {
    font-weight: 700;
    color: var(--primary);
}

.account-info-number,
.card-info-number {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    letter-spacing: 0.1em;
}

/* ===== Modal ===== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex;
    animation: fadeIn var(--transition-base);
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp var(--transition-base);
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

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

.modal-header h3 {
    font-size: var(--font-size-xl);
}

.modal-close {
    background: transparent;
    border: none;
    font-size: var(--font-size-3xl);
    color: var(--text-tertiary);
    cursor: pointer;
    line-height: 1;
    transition: all var(--transition-base);
}

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

.modal-body {
    padding: var(--spacing-xl);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
    padding: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .fixed-deposit-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .main-content {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }

    .menu {
        display: flex;
        overflow-x: auto;
    }

    .menu-item {
        flex-shrink: 0;
    }

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

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

    #toast-container {
        left: var(--spacing-md);
        right: var(--spacing-md);
    }

    .toast {
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .login-card {
        padding: var(--spacing-lg);
    }

    .content {
        padding: var(--spacing-md);
    }

    .navbar {
        padding: var(--spacing-md);
    }

    .nav-title {
        font-size: var(--font-size-base);
    }

    .section-header h2 {
        font-size: var(--font-size-2xl);
    }
}

/* ===== Payment Services Styles ===== */
.services-container {
    max-width: 600px;
    margin: 0 auto;
}

.service-payment-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.service-info-display {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.service-info-icon {
    font-size: 2.5rem;
}

.service-info-display h3 {
    margin: 0 0 var(--spacing-xs);
    color: var(--text-primary);
    font-size: var(--font-size-lg);
}

.service-info-display p {
    margin: 0;
    color: var(--text-tertiary);
    font-size: var(--font-size-sm);
}

/* ===== Virtual Cards Styles ===== */
.cards-container {
    max-width: 1200px;
}

.card-actions {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.hint-text {
    color: var(--text-tertiary);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-sm);
}

.virtual-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.virtual-card {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    color: white;
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s ease;
}

.virtual-card:hover {
    transform: translateY(-4px);
}

.virtual-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.virtual-card-brand {
    font-size: var(--font-size-sm);
    font-weight: 600;
    opacity: 0.9;
}

.delete-card-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    cursor: pointer;
    transition: background 0.2s;
}

.delete-card-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

.virtual-card-number {
    font-size: var(--font-size-xl);
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-lg);
}

.virtual-card-details {
    display: flex;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.virtual-card-details .label {
    display: block;
    font-size: var(--font-size-xs);
    opacity: 0.8;
    margin-bottom: var(--spacing-xs);
}

.virtual-card-details .value {
    display: block;
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.virtual-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.linked-account {
    font-size: var(--font-size-xs);
    opacity: 0.9;
}

.btn-copy {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    color: white;
    font-size: var(--font-size-xs);
    cursor: pointer;
    transition: background 0.2s;
}

.btn-copy:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* ===== Expenses Styles ===== */
.expenses-container {
    max-width: 1400px;
}

.expenses-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.expense-form-card,
.expense-chart-card,
.expense-list-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.expense-form-card h3,
.expense-chart-card h3,
.expense-list-card h3 {
    margin: 0 0 var(--spacing-lg);
    color: var(--text-primary);
}

.expense-chart-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

#expense-chart {
    max-width: 300px;
    max-height: 300px;
}

.expense-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
}

.expense-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.expense-info {
    flex: 1;
}

.expense-description {
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.expense-category {
    color: var(--text-tertiary);
    font-size: var(--font-size-sm);
}

.expense-amount {
    color: var(--error);
    font-weight: 600;
    font-size: var(--font-size-lg);
}

.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-tertiary);
}

.empty-state p {
    margin: var(--spacing-sm) 0;
}

/* Responsive adjustments for new features */
@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: 1fr;
    }

    .virtual-cards-grid {
        grid-template-columns: 1fr;
    }

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