/*
 * style.css
 *
 * Main stylesheet for My Life application.
 *
 * 1. Root & Variables
 * 2. Base & Typography
 * 3. Layout & Container
 * 4. Header & Navigation
 * 5. (REMOVED) Homepage Styles
 * 6. Forms (Auth, Dashboard, Filters)
 * 7. Buttons
 * 8. Dashboard (Summary, Chart, Lists)
 * 9. Inner Pages (Budgets, Calculator, etc.)
 * 10. Utility & Messages
 * 11. Responsive Design
 */

/* 1. Root & Variables
   ------------------------------------------------- */
:root {
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

    /* Light Mode (Default, but dark is set by JS) */
    --color-bg-light: #f4f7fa;
    --color-surface-light: #ffffff;
    --color-surface-accent-light: #eef2f7;
    --color-text-light: #1a202c;
    --color-text-muted-light: #525f7f;
    --color-border-light: #e2e8f0;

    /* Dark Mode */
    --color-bg-dark: #111015; /* Even darker */
    --color-surface-dark: #1b1921; /* Slightly lighter surface */
    --color-surface-accent-dark: #22202a;
    --color-text-dark: #edf2f7;
    --color-text-muted-dark: #a0aec0;
    --color-border-dark: #2d3748;

    /* Brand Colors */
    --color-primary-rgb: 79, 70, 229;
    --color-primary: rgb(var(--color-primary-rgb)); /* indigo-600 */
    --color-primary-variant: rgba(var(--color-primary-rgb), 0.1);
    --color-primary-light: rgb(129, 140, 248); /* indigo-400 */

    --color-danger-rgb: 239, 68, 68;
    --color-danger: rgb(var(--color-danger-rgb)); /* red-500 */
    --color-danger-variant: rgba(var(--color-danger-rgb), 0.1);

    --color-success-rgb: 16, 185, 129;
    --color-success: rgb(var(--color-success-rgb)); /* green-500 */
    --color-success-variant: rgba(var(--color-success-rgb), 0.1);

    /* Set default theme to dark */
    --color-bg: var(--color-bg-dark);
    --color-surface: var(--color-surface-dark);
    --color-surface-accent: var(--color-surface-accent-dark);
    --color-text: var(--color-text-dark);
    --color-text-muted: var(--color-text-muted-dark);
    --color-border: var(--color-border-dark);
}

/* Apply light mode variables when [data-theme="light"] is set on <html> */
[data-theme="light"] {
    --color-bg: var(--color-bg-light);
    --color-surface: var(--color-surface-light);
    --color-surface-accent: var(--color-surface-accent-light);
    --color-text: var(--color-text-light);
    --color-text-muted: var(--color-text-muted-dark);
    --color-border: var(--color-border-light);
}

/* 2. Base & Typography
   ------------------------------------------------- */
*, *::before, *::after {
    box-sizing: border-box;
}

html, body {
    width: 100%;
    min-height: 100%;
    margin: 0;
    padding: 0;
    overflow-x: hidden; /* <-- Fixes horizontal scroll on mobile */
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text);
    transition: background-color 0.2s ease, color 0.2s ease;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex-grow: 1;
}

h1, h2, h3, h4, h5, h6 {
    margin: 0;
    font-weight: 700;
    color: var(--color-text);
}

p {
    margin: 0;
    line-height: 1.6;
    color: var(--color-text-muted);
}

a {
    color: var(--color-primary-light);
    text-decoration: none;
    transition: color 0.2s ease;
}
a:hover {
    color: var(--color-primary);
}

/* 3. Layout & Container
   ------------------------------------------------- */
.container {
    width: 100%;
    max-width: 1280px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

.page-wrapper {
    padding-top: 2rem;
    padding-bottom: 4rem;
}

.page-title {
    font-size: 2.25rem;
    font-weight: 900;
    margin-bottom: 0.5rem;
}

.page-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
}

.card {
    background-color: var(--color-surface);
    border-radius: 12px;
    border: 1px solid var(--color-border);
    padding: 1.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    overflow: hidden; /* Fixes child border radius issues */
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 1rem;
}

.card-subtitle {
    font-size: 1rem;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
    margin-top: -0.75rem;
}

.page-content-split {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 2rem;
}


/* 4. Header & Navigation
   ------------------------------------------------- */
.main-header {
    background-color: var(--color-bg); /* CHANGED: Was --color-surface. Now blends with page. */
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 50;
    padding: 1.25rem 0; /* CHANGED: Slightly more padding */
}

.main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
    text-decoration: none;
}
.nav-logo svg {
    transition: transform 0.3s ease;
}
.nav-logo:hover svg {
    transform: rotate(15deg);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-muted);
    text-decoration: none;
    padding: 0.5rem 0;
    transition: color 0.2s ease, border-bottom-color 0.2s ease;
    border-bottom: 2px solid transparent; /* ADDED: for active state */
}

.nav-links a:hover {
    color: var(--color-text);
}
.nav-links a.active {
    color: var(--color-text);
    font-weight: 600; /* ADDED */
    border-bottom-color: var(--color-primary); /* ADDED */
}

.nav-links .btn {
    font-size: 0.875rem;
    padding: 0.5rem 1.25rem;
    border-bottom: 2px solid transparent; /* ADDED: To align with other links */
}
.nav-links .btn:hover {
    border-bottom-color: transparent; /* Ensure button hover doesn't get underline */
}

.nav-extra {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.theme-toggle,
.mobile-menu-toggle {
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 0.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem; /* Icon size */
    transition: color 0.2s ease;
}
.theme-toggle:hover,
.mobile-menu-toggle:hover {
    color: var(--color-text);
}

.mobile-menu-toggle {
    display: none; /* Hide on desktop */
}

/* Theme toggle icon swap */
/* FIX: Logic corrected */
.ph-moon { display: none; } /* Hide moon by default (on dark theme) */
.ph-sun { display: block; } /* Show sun by default (on dark theme) */

[data-theme="dark"] .ph-sun { display: block; } /* Show sun in dark mode */
[data-theme="dark"] .ph-moon { display: none; }
[data-theme="light"] .ph-sun { display: none; }
[data-theme="light"] .ph-moon { display: block; } /* Show moon in light mode */


/* 5. (REMOVED) Homepage Styles
   ------------------------------------------------- */
/* All styles for .homepage-wrapper, .hero, .features, .testimonials, etc. have been removed. */


/* 6. Forms (Auth, Dashboard, Filters)
   ------------------------------------------------- */
.form-page-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 4rem 1.5rem;
    min-height: 70vh;
}

.form-container {
    width: 100%;
    max-width: 450px;
    background-color: var(--color-surface);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--color-border);
}

.form-title {
    font-size: 1.75rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 0.5rem;
}

.form-subtitle {
    text-align: center;
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.25rem;
}
.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--color-text-muted);
}
.form-group input,
.form-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    font-family: var(--font-sans);
    color: var(--color-text);
    background-color: var(--color-surface-accent);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.2);
}
.form-group select {
    /* Style for dropdown arrow */
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='currentColor' aria-hidden='true' style='fill: %23a0aec0;'%3E%3Cpath fill-rule='evenodd' d='M10 12a1 1 0 01-.707-.293l-4-4a1 1 0 011.414-1.414L10 9.586l3.293-3.293a1 1 0 011.414 1.414l-4 4A1 1 0 0110 12z' clip-rule='evenodd' /%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1.25em;
    padding-right: 3rem;
}

.form-footer {
    text-align: center;
    margin-top: 1.5rem;
}
.form-footer p {
    color: var(--color-text-muted);
}

/* Quick Add Form (Dashboard) */
.quick-add-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem 1rem;
}
.quick-add-form .full-width {
    grid-column: 1 / -1;
}

/* Filter Form */
.filter-form {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    align-items: flex-end;
}
.filter-form .form-group {
    margin-bottom: 0;
}
.filter-form .btn {
    height: 46px; /* Match input height */
}


/* 7. Buttons
   ------------------------------------------------- */
.btn {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    transition: all 0.2s ease;
}
.btn-large {
    padding: 0.875rem 2rem;
    font-size: 1.125rem;
}
.btn-block {
    display: block;
    width: 100%;
}
.btn-small {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

/* Primary Button */
.btn-primary {
    color: #ffffff;
    background-color: var(--color-primary);
    background-image: linear-gradient(135deg, rgb(var(--color-primary-rgb)) 0%, var(--color-primary-light) 100%);
    box-shadow: 0 4px 15px -5px rgba(var(--color-primary-rgb), 0.4),
                inset 0 1px 1px rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(0,0,0,0.1);
}
.btn-primary:hover {
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px -5px rgba(var(--color-primary-rgb), 0.6),
                inset 0 1px 1px rgba(255, 255, 255, 0.2);
}

/* Secondary Button */
.btn-secondary {
    color: var(--color-text);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}
.btn-secondary:hover {
    background-color: var(--color-surface-accent);
    border-color: var(--color-primary-light);
    color: var(--color-text);
}


/* 8. Dashboard (Summary, Chart, Lists)
   ------------------------------------------------- */
.dashboard-wrapper {
    padding-top: 2rem;
    padding-bottom: 4rem;
}

.summary-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr); /* CHANGED back to 4 */
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.card-summary {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
}
.card-summary__icon {
    font-size: 2rem;
    padding: 0.75rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.card-summary__icon.income {
    background-color: var(--color-success-variant);
    color: var(--color-success);
}
.card-summary__icon.expense {
    background-color: var(--color-danger-variant);
    color: var(--color-danger);
}
.card-summary__icon.net {
    background-color: var(--color-primary-variant);
    color: var(--color-primary);
}
.card-summary__icon.debt {
    background-color: rgba(245, 158, 11, 0.1); /* amber-500 variant */
    color: #f59e0b; /* amber-500 */
}
/* NEW: Investment Card Styles */
.card-summary__icon.investment {
    background-color: rgba(99, 102, 241, 0.1); /* indigo-500 variant */
    color: #6366f1; /* indigo-500 */
}
.card-summary__icon.investment-risk {
    background-color: rgba(239, 68, 68, 0.1); /* red-500 variant */
    color: var(--color-danger);
}
/* REMOVED: Savings & Net Worth icon styles */
.card-summary__title {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text-muted);
    margin-bottom: 0.25rem;
}
.card-summary__amount {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.2;
}
.card-summary__amount.income { color: var(--color-success); }
.card-summary__amount.expense { color: var(--color-danger); }

.dashboard-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
}
.dashboard-main {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}
.dashboard-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.chart-container {
    position: relative;
    height: 350px;
    margin: 0 auto;
    max-width: 450px;
}

/* Transaction List (Sidebar) */
.transaction-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}
.transaction-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.transaction-item__icon {
    font-size: 1.5rem;
    display: flex;
    align-items: center;
}
.transaction-item__icon.income { color: var(--color-success); }
.transaction-item__icon.expense { color: var(--color-danger); }

.transaction-item__details {
    flex-grow: 1;
}
.transaction-item__category {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text);
    display: block;
}
.transaction-item__date {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}
.transaction-item__amount {
    font-size: 1rem;
    font-weight: 600;
}
.transaction-item__amount.income { color: var(--color-success); }
.transaction-item__amount.expense { color: var(--color-danger); }

.transaction-item__actions {
    display: flex;
    gap: 0.5rem;
    opacity: 0;
    transition: opacity 0.2s ease;
}
.transaction-item:hover .transaction-item__actions {
    opacity: 1;
}
.btn-action {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-muted);
    font-size: 1.125rem;
    padding: 0.25rem;
}
.btn-action.edit:hover { color: var(--color-primary-light); }
.btn-action.delete:hover { color: var(--color-danger); }


/* 9. Inner Pages (Budgets, Calculator, etc.)
   ------------------------------------------------- */

/* Transactions Page */
.table-responsive {
    width: 100%;
    overflow-x: auto;
}
.data-table {
    width: 100%;
    border-collapse: collapse;
}
.data-table th,
.data-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
}
.data-table th {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}
.data-table td.amount {
    font-weight: 600;
}
.data-table td.amount.income { color: var(--color-success); }
.data-table td.amount.expense { color: var(--color-danger); }
.data-table td.actions {
    text-align: right;
}
.data-table .badge {
    padding: 0.25rem 0.625rem;
    border-radius: 12px;
    font-size: 0.875rem;
    font-weight: 500;
}
.data-table .badge.income {
    background-color: var(--color-success-variant);
    color: var(--color-success);
}
.data-table .badge.expense {
    background-color: var(--color-danger-variant);
    color: var(--color-danger);
}

/* Budgets Page */
.card-header-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}
.card-header-flex .card-title {
    margin-bottom: 0;
}
.budget-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}
.budget-item {
    background-color: var(--color-surface-accent);
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid var(--color-border);
}
.budget-item__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}
.budget-item__category {
    font-size: 1.125rem;
    font-weight: 600;
}
.budget-item__amount {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text-muted);
}
.progress-bar {
    width: 100%;
    height: 10px;
    background-color: var(--color-border);
    border-radius: 5px;
    overflow: hidden;
    margin-bottom: 0.75rem;
}
.progress-bar__inner {
    height: 100%;
    border-radius: 5px;
    transition: width 0.3s ease;
}
.progress-bar__inner.good { background-color: var(--color-success); }
.progress-bar__inner.warning { background-color: #f59e0b; } /* amber-500 */
.progress-bar__inner.danger { background-color: var(--color-danger); }

.budget-item__footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* Savings Page */
.goal-item-form {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 1rem;
    align-items: center;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
}
.goal-item-form .form-group {
    margin-bottom: 0;
}
.goal-item-form-delete {
    margin-left: auto;
}
.budget-item__footer .goal-item-form-delete {
    /* Align delete button on budget page */
    margin-left: auto;
}

/* Calculator Page */
.card-results {
    background-color: var(--color-surface-accent);
}
.calc-verdict {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    border-radius: 10px;
    margin-bottom: 1.5rem;
    border: 1px solid var(--color-border);
    background-color: var(--color-surface);
}
.calc-verdict__icon {
    font-size: 2.5rem;
    color: var(--color-text-muted);
}
.calc-verdict__title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
}
.calc-verdict__message {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    line-height: 1.4;
}
/* Verdict Colors */
.calc-verdict.verdict--good {
    background-color: var(--color-success-variant);
    border-color: var(--color-success);
}
.calc-verdict.verdict--good .calc-verdict__icon,
.calc-verdict.verdict--good .calc-verdict__title {
    color: var(--color-success);
}
.calc-verdict.verdict--warning {
    background-color: rgba(245, 158, 11, 0.1);
    border-color: #f59e0b;
}
.calc-verdict.verdict--warning .calc-verdict__icon,
.calc-verdict.verdict--warning .calc-verdict__title {
    color: #f59e0b;
}
.calc-verdict.verdict--danger {
    background-color: var(--color-danger-variant);
    border-color: var(--color-danger);
}
.calc-verdict.verdict--danger .calc-verdict__icon,
.calc-verdict.verdict--danger .calc-verdict__title {
    color: var(--color-danger);
}


.calc-results-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}
.calc-result-box {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: 1rem;
    border-radius: 10px;
}
.calc-result-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
}
.calc-result-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.2;
}
.calc-result-unit {
    display: block;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

.calc-impact-box {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: 1rem 1.5rem;
    border-radius: 10px;
}

/* NEW: Debt Info styles from debts.php */
.debt-info {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    background-color: var(--color-surface);
    padding: 0.75rem 1rem;
    border-radius: 6px;
    margin-top: 1rem;
    display: flex;
    justify-content: space-around;
    border: 1px solid var(--color-border);
}
.debt-info span {
    display: inline-block;
}
.debt-info strong {
    color: var(--color-text);
}

/* Payment History List */
.payment-history ul li {
    font-size: 0.9rem !important;
}
.payment-history h4 {
    color: var(--color-text);
}


/* 10. Utility & Messages
   ------------------------------------------------- */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.empty-state {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--color-text-muted);
}
.empty-state i {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.form-message {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-weight: 500;
}
.form-message--error {
    background-color: var(--color-danger-variant);
    color: var(--color-danger);
    border: 1px solid var(--color-danger);
}
.form-message--success {
    background-color: var(--color-success-variant);
    color: var(--color-success);
    border: 1px solid var(--color-success);
}


/* 11. Responsive Design
   ------------------------------------------------- */

@media (max-width: 1024px) {
    /* Stack dashboard layout on tablets */
    .dashboard-content {
        grid-template-columns: 1fr;
    }

    /* Stack budget/savings/account pages */
    .page-content-split {
        grid-template-columns: 1fr;
    }

    /* Stack filter form */
    .filter-form {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .filter-form .btn {
        height: auto;
        padding: 0.75rem 1.5rem;
    }

    /* Summary cards responsiveness (adjusted for new 5-card layout) */
    .summary-cards {
        grid-template-columns: repeat(2, 1fr) !important;
    }

    /* Calculator Results */
    .calc-results-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    /* Mobile nav */
    .nav-links {
        display: none; /* Hide menu by default */
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-surface);
        border-bottom: 1px solid var(--color-border);
        flex-direction: column;
        align-items: stretch;
        padding: 1rem;
        gap: 0;
    }
    .nav-links--open {
        display: flex; /* Show when toggled */
    }
    .nav-links a {
        padding: 1rem;
        border-radius: 8px;
    }
    .nav-links a:hover {
        background-color: var(--color-surface-accent);
    }
    .nav-links .btn {
        margin-top: 1rem;
        text-align: center;
    }
    .mobile-menu-toggle {
        display: flex; /* Show hamburger */
    }

    /* Stack main content split on Investments/Budgets/Savings */
    .page-content-split.responsive-form-split {
        grid-template-columns: 1fr !important;
    }

    /* Stack filter form */
    .filter-form {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .filter-form .btn {
        height: auto;
        padding: 0.75rem 1.5rem;
    }

    /* Data table font size */
    .data-table {
        font-size: 0.875rem;
    }
    .data-table th,
    .data-table td {
        padding: 0.75rem 0.5rem;
    }
    .data-table td.actions {
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
        border-bottom: 0; /* Clean up layout */
    }
    .data-table tr {
        border-bottom: 1px solid var(--color-border);
    }

    /* NEW: Investment Sale Form Fix (mobile-stack-3 class) */
    .goal-item-form.mobile-stack-3 {
        grid-template-columns: 1fr !important; /* Force 1 column on mobile */
    }
}

@media (max-width: 480px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    .page-title {
        font-size: 1.75rem;
    }
    .page-subtitle {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }

    /* Tighter padding on form pages */
    .form-page-wrapper {
        padding: 2rem 1rem;
    }
    .form-container {
        padding: 1.5rem;
    }

    /* Quick Add Form now stacks on mobile */
    .quick-add-form {
        grid-template-columns: 1fr;
    }

    /* Summary cards responsiveness (now single column) */
    .summary-cards {
        grid-template-columns: 1fr !important;
    }
}