/* ========================================
   PERCENTAGE CALCULATOR - STYLES
   Mobile-First Responsive Design
   ======================================== */

/* CSS Variables for Easy Theming - CalcHound Design */
:root {
    /* CalcHound Color Palette */
    --primary-color: #6b8cae;        /* Blue-gray for info boxes */
    --primary-dark: #4a6a8a;
    --primary-light: #8fa9c4;
    --secondary-color: #ebe2d1;      /* Beige/tan for panels - backup - #E9E1C4*/
    --secondary-dark: #c0b0a0;
    --accent-color: #8b5cf6;

    --text-primary: #2763a8;
    --text-secondary: #2763a8;
    --text-light: #ffffff;

    --bg-primary: #ffffff;
    --bg-secondary: #f6f7f8;         /* Main app background */
    --bg-card: #ffffff;
    --bg-panel: #ebe2d1;             /* Beige panels */
    --bg-info: #4a6a8a;              /* Blue info boxes */

    --border-color: #c0c0c0;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;

    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    --shadow-md: 0 2px 6px -1px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 4px 12px -2px rgba(0, 0, 0, 0.15);

    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
    --spacing-xl: 20px;
    --spacing-2xl: 24px;

    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

    --tap-target-size: 44px; /* Minimum touch target size */
}

/* ========================================
   RESET & BASE STYLES
   ======================================== */

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

html {
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

@media (min-width: 768px) {
    html {
        font-size: 16px;
    }
}

body {
    font-family: var(--font-family);
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* ========================================
   AD CONTAINERS - Visual Placeholders for Testing
   ======================================== */

.ad-container {
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
    border: 2px dashed #9ca3af;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #6b7280;
    font-size: 13px;
    font-weight: 600;
    text-align: center;
    margin: var(--spacing-md) auto;
    position: relative;
}

.ad-container::before {
    content: 'Ad Placeholder';
    display: block;
}

.ad-container::after {
    content: attr(data-size);
    position: absolute;
    bottom: 4px;
    right: 8px;
    font-size: 10px;
    color: #9ca3af;
}

/* Mobile Ad Styles (320x50 banners) */
.ad-mobile-top,
.ad-mobile-bottom {
    width: 320px;
    height: 50px;
    max-width: 100%;
}

.ad-mobile-top::before {
    content: 'Mobile Banner Ad (320x50)';
}

.ad-mobile-bottom::before {
    content: 'Mobile Banner Ad (320x50)';
}

/* Hide mobile ads on desktop */
@media (min-width: 768px) {
    .ad-mobile-top,
    .ad-mobile-bottom {
        display: none;
    }
}

/* Content/Mid-page Ad (300x250 medium rectangle) */
.ad-content {
    width: 300px;
    height: 250px;
    max-width: 100%;
    margin: var(--spacing-xl) auto;
}

.ad-content::before {
    content: 'Medium Rectangle Ad\A(300x250)';
    white-space: pre;
}

/* Sidebar Ads (Desktop only) */
.ad-sidebar {
    width: 100%;
    min-height: 250px;
    margin: var(--spacing-md) 0;
}

.ad-sidebar::before {
    content: 'Sidebar Ad\A(300x250 or 160x600)';
    white-space: pre;
}

/* Hide sidebar ads on mobile */
@media (max-width: 1024px) {
    .ad-sidebar {
        display: none;
    }
}

/* Desktop - make sidebar ads taller */
@media (min-width: 1200px) {
    .sidebar-left .ad-sidebar {
        min-height: 600px;
    }
    .sidebar-left .ad-sidebar::before {
        content: 'Wide Skyscraper Ad\A(160x600)';
    }
}

/* ========================================
   LAYOUT
   ======================================== */

.container {
    display: flex;
    flex-direction: column;
    max-width: 2000px;
    margin: 0 auto;
    flex: 1;
    overflow-x: hidden;
    width: 100%;
}

.sidebar {
    display: none; /* Hidden on mobile */
}

.sidebar-left {
    display: none !important; /* Keep left side ad-free for better UX */
}

.main-content {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    overflow-x: hidden;
}

/* Desktop: Add left margin for fixed nav sidebar */
@media (min-width: 768px) {
    .main-content {
        margin-left: 270px; /* Nav is 240px + 30px padding */
        margin-right: auto;
        padding: var(--spacing-lg) var(--spacing-xl);
        max-width: 750px;
        width: 750px;
    }
}

/* Desktop Layout with Sidebars */
@media (min-width: 1024px) {
    .container {
        flex-direction: row;
        gap: var(--spacing-lg);
        padding: var(--spacing-lg);
    }

    .sidebar {
        display: block;
        width: 160px;
        flex-shrink: 0;
    }

    .sidebar-left {
        position: sticky;
        top: var(--spacing-lg);
        align-self: flex-start;
    }

    .sidebar-right {
        position: sticky;
        top: var(--spacing-lg);
        align-self: flex-start;
    }
}

@media (min-width: 1280px) {
    .sidebar {
        width: 300px;
    }
}

/* ========================================
   NAVIGATION SIDEBAR (LEFT)
   ======================================== */

.calculator-nav {
    position: fixed;
    left: 0;
    top: 0;
    width: 240px;
    height: 100vh;
    background-color: var(--bg-card);
    box-shadow: 2px 0 8px rgba(0, 0, 0, 0.1);
    padding: var(--spacing-lg) var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    z-index: 100;
    overflow-y: auto;
}

.nav-tab {
    width: 100%;
    min-height: 44px;
    padding: 12px 14px;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-secondary);
    background-color: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--font-family);
    text-align: left;
    text-decoration: none;
    display: flex;
    align-items: center;
    line-height: 1.3;
}

.nav-tab:hover {
    background-color: var(--primary-light);
    color: var(--primary-dark);
    border-color: var(--primary-color);
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

.nav-tab.active {
    background-color: var(--primary-color);
    color: var(--text-light);
    border-color: var(--primary-dark);
    box-shadow: var(--shadow-md);
}

.nav-tab:focus {
    outline: 2px solid var(--primary-light);
    outline-offset: 2px;
}

/* Mobile: Show horizontal nav at top */
@media (max-width: 767px) {
    .calculator-nav {
        position: static;
        width: 100%;
        height: auto;
        flex-direction: row;
        overflow-x: auto;
        padding: var(--spacing-xs);
        margin-bottom: var(--spacing-md);
    }

    .nav-tab {
        min-width: 140px;
        text-align: center;
        justify-content: center;
    }

    .nav-tab:hover {
        transform: translateX(0);
    }
}

/* ========================================
   HEADER
   ======================================== */

.header {
    text-align: center;
    margin-top: 0;
    margin-bottom: var(--spacing-sm);
    padding: 0;
}

.header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 400;
}

@media (min-width: 768px) {
    .header h1 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1.0625rem;
    }
}

/* ========================================
   DAILY QUOTE
   ======================================== */

.quote-container {
    text-align: center;
    margin-bottom: var(--spacing-sm);
    padding: 8px var(--spacing-sm);
    background: linear-gradient(135deg, #c7f1fe 0%, #c7f1fe 100%);
    border-radius: var(--border-radius-sm);
    border-left: 3px solid #0b9bf5;
}

.quote-text {
    font-size: 0.975rem;
    color: var(--primary-color);
    font-style: italic;
    line-height: 1.6;
    margin: 0;
}

@media (min-width: 768px) {
    .quote-text {
        font-size: 1.1rem;
    }
}

/* ========================================
   CALCULATOR MODES TABS
   ======================================== */

.calculator-modes {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    background-color: var(--bg-card);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.mode-tab {
    min-height: 36px;
    padding: 8px 12px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
    background-color: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--font-family);
    line-height: 1.3;
    text-align: center;
}

.mode-tab:hover {
    background-color: var(--primary-light);
    color: var(--primary-dark);
    border-color: var(--primary-color);
}

.mode-tab.active {
    background-color: var(--primary-color);
    color: var(--text-light);
    border-color: var(--primary-dark);
    box-shadow: var(--shadow-md);
}

.mode-tab:focus {
    outline: 2px solid var(--primary-light);
    outline-offset: 2px;
}

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

    .mode-tab {
        font-size: 0.875rem;
        padding: 10px 14px;
        min-height: 38px;
    }
}

/* Percentage Calculator Mode Grid */
.percent-mode-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
}

.percent-mode-btn {
    min-height: 44px;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    background-color: #ffffff;
    border: 2px solid transparent;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--font-family);
    text-align: center;
}

.percent-mode-btn:hover {
    background-color: #f0f0f0;
    border-color: var(--text-primary);
}

.percent-mode-btn.active {
    background-color: #ffffff;
    color: var(--text-primary);
    border-color: var(--text-primary);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.percent-mode-btn:focus {
    outline: 2px solid var(--primary-light);
    outline-offset: 2px;
}

@media (min-width: 640px) {
    .percent-mode-grid {
        grid-template-columns: repeat(6, 1fr);
    }

    .percent-mode-btn {
        font-size: 1rem;
        padding: var(--spacing-md) var(--spacing-lg);
    }
}

/* ========================================
   CALCULATOR PANEL
   ======================================== */

/* Percent Calculator Results */
.percent-result {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.percent-result-label {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.percent-result-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.calculator-panel {
    background-color: var(--bg-card);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-md);
    max-width: 100%;
    overflow-x: hidden;
}

@media (min-width: 768px) {
    .calculator-panel {
        padding: var(--spacing-lg);
    }
}

.calculator-mode {
    display: none;
}

.calculator-mode.active {
    display: block;
    animation: fadeIn 0.3s ease-in;
}

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

/* ========================================
   INPUT GROUPS
   ======================================== */

.input-group {
    margin-bottom: var(--spacing-sm);
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.input-group label {
    font-size: 0.8375rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.mode-hint {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    font-style: italic;
}

.calc-input,
.calc-select {
    width: 100%;
    min-height: 40px;
    padding: 10px 12px;
    font-size: 16px;
    font-family: var(--font-family);
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    border: 1.5px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    transition: all 0.2s ease;
}

.calc-input:focus,
.calc-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.calc-input::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}

.input-suffix,
.input-prefix {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-top: -var(--spacing-md);
    align-self: flex-start;
}

/* Currency symbol inside input */
.input-wrapper {
    position: relative;
    width: 100%;
}

.currency-symbol {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    pointer-events: none;
    z-index: 1;
}

.bill-input {
    padding-left: 28px;
}

/* Tooltip styling */
.tooltip-icon {
    display: inline-block;
    position: relative;
    margin-left: 6px;
    color: var(--primary-color);
    font-size: 0.875rem;
    cursor: help;
    font-weight: normal;
    vertical-align: middle;
}

.tooltip-text {
    visibility: hidden;
    opacity: 0;
    position: absolute;
    left: 50%;
    bottom: 125%;
    transform: translateX(-50%);
    background-color: var(--text-primary);
    color: var(--text-light);
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.8125rem;
    white-space: nowrap;
    z-index: 1000;
    transition: opacity 0.3s, visibility 0.3s;
    pointer-events: none;
}

.tooltip-text::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border-width: 5px;
    border-style: solid;
    border-color: var(--text-primary) transparent transparent transparent;
}

.tooltip-icon:hover .tooltip-text,
.tooltip-icon:focus .tooltip-text {
    visibility: visible;
    opacity: 1;
}

/* Mobile: Show tooltip below instead of above */
@media (max-width: 767px) {
    .tooltip-text {
        bottom: auto;
        top: 125%;
        white-space: normal;
        max-width: 200px;
    }

    .tooltip-text::after {
        top: auto;
        bottom: 100%;
        border-color: transparent transparent var(--text-primary) transparent;
    }
}

/* Remove spinner from number inputs */
.calc-input[type="number"]::-webkit-inner-spin-button,
.calc-input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.calc-input[type="number"] {
    -moz-appearance: textfield;
}

/* Inputs row container for percentage calculator */
.inputs-row {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* Percent symbol inside input */
.input-wrapper-percent {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrapper-percent .percent-input {
    padding-right: 30px;
}

.percent-symbol {
    position: absolute;
    right: 12px;
    color: var(--text-secondary);
    font-weight: 600;
    pointer-events: none;
}

/* Default: Labels above inputs, inputs span full width */
.inputs-row .input-group {
    flex: 1 1 0;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.inputs-row .input-group label {
    font-size: 0.9375rem;
    font-weight: 600;
    min-height: 1.5em;
}

.inputs-row .input-group label:empty::before {
    content: '\00a0';
}

.inputs-row .calc-input {
    width: 100%;
}

.inputs-row .input-wrapper,
.inputs-row .input-wrapper-percent {
    width: 100%;
}

/* Special compact layout for X +/- Y% mode only */
.calculator-mode[data-mode="add-subtract"] .inputs-row {
    align-items: flex-end;
    gap: 4px;
}

.calculator-mode[data-mode="add-subtract"] .input-group {
    flex-direction: row;
    align-items: center;
    max-width: 50%;
}

.calculator-mode[data-mode="add-subtract"] .input-group label {
    font-size: 0.875rem;
    white-space: nowrap;
    margin-bottom: 0;
    flex-shrink: 0;
}

.calculator-mode[data-mode="add-subtract"] .calc-input {
    width: 80px;
    min-width: 70px;
    max-width: 80px;
    flex: 0 0 80px;
}

.calculator-mode[data-mode="add-subtract"] .input-wrapper,
.calculator-mode[data-mode="add-subtract"] .input-wrapper-percent {
    flex: 0 0 80px;
    min-width: 70px;
    max-width: 80px;
}

/* Operation toggle button */
.operation-group {
    flex: 0 0 auto;
    min-width: auto;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    gap: var(--spacing-xs);
}

.operation-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 40px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-light);
    background-color: var(--secondary-color);
    border: 2px solid var(--secondary-color);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all 0.2s;
    font-family: var(--font-family);
    align-self: center;
}

.operation-toggle:hover {
    background-color: var(--secondary-dark);
    border-color: var(--secondary-dark);
    transform: scale(1.05);
}

.operation-toggle:active {
    transform: scale(0.95);
}

.operation-toggle[data-operation="subtract"] {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.operation-toggle[data-operation="subtract"]:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
}

@media (min-width: 768px) {
    .input-group {
        flex-direction: row;
        align-items: center;
        gap: 8px;
    }

    .input-group label {
        width: 180px;
        min-width: 180px;
        max-width: 180px;
        margin-bottom: 0;
        margin-right: 0;
        text-align: left;
        line-height: 1.3;
    }

    .input-group .input-wrapper,
    .input-group .input-wrapper-percent,
    .input-group .calc-input {
        flex: 1;
    }

    /* Reduce label spacing for percentage calculator horizontal layout */
    .inputs-row {
        justify-content: center;
        align-items: center;
        gap: 4px;
    }

    .inputs-row .input-group {
        flex-direction: row;
        justify-content: center;
        align-items: center;
        min-width: auto;
        flex: 0 0 auto;
        gap: 4px;
    }

    .inputs-row .input-group label {
        min-width: auto;
        width: auto;
        max-width: none;
        margin-right: 0;
        font-size: 1rem;
        text-align: right;
    }

    .inputs-row .calc-input {
        text-align: center;
        width: 100px;
        max-width: 100px;
    }

    .inputs-row .input-wrapper,
    .inputs-row .input-wrapper-percent {
        width: 100px;
        max-width: 100px;
        flex: 0 0 100px;
    }

    .input-suffix {
        margin-top: 0;
        margin-left: var(--spacing-sm);
    }

    .input-prefix {
        margin-top: 0;
        margin-right: var(--spacing-sm);
        order: -1;
    }

    .input-wrapper {
        flex: 1;
    }

    /* Narrower inputs for percentage calculator on desktop */
    .inputs-row .calc-input {
        max-width: 150px;
    }

    /* Operation group alignment on desktop */
    .operation-group {
        flex-direction: row;
        align-items: center;
        justify-content: center;
    }

    .operation-toggle {
        width: 44px;
        font-size: 1.5rem;
    }
}

/* ========================================
   RESULT DISPLAY (TOP)
   ======================================== */

.result-display {
    margin-bottom: var(--spacing-md);
    padding: 10px var(--spacing-lg);
    background: linear-gradient(135deg, #c7f1fe 0%, #c7f1fe 100%);
    border-radius: var(--border-radius);
    border-left: 3px solid #0b9bf5;

    text-align: center;
}

.result {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.result-label {
    display: inline-block;
    font-size: 1rem;
    font-weight: 600;
    color: #2763a8;
;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.result-value {
    display: inline-block;
    font-size: 1.75rem;
    font-weight: 700;
    color: #2763a8;
    line-height: 1.25;
}

@media (min-width: 768px) {
    .result-label {
        font-size: 2rem;
    }

    .result-value {
        font-size: 2rem;
    }
}

/* ========================================
   FORMULA CONTAINER (BOTTOM)
   ======================================== */

.formula-container {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
}

.formula {
    /* No extra styling needed */
}

.formula-label {
    display: block;
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
}

.formula-value {
    display: block;
    font-size: 0.8125rem;
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
    background-color: var(--bg-card);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    overflow-x: auto;
    line-height: 1.5;
}

@media (min-width: 768px) {
    .formula-value {
        font-size: 0.875rem;
    }
}

/* ========================================
   CALCULATION HISTORY
   ======================================== */

.history-section {
    background-color: var(--bg-card);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-lg);
}

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

.history-header h2 {
    font-size: 1.25rem;
    color: var(--text-primary);
    font-weight: 600;
}

.btn-clear {
    min-height: 36px;
    padding: 8px 16px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-light);
    background-color: #ef4444;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--font-family);
}

.btn-clear:hover {
    background-color: #dc2626;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-clear:focus {
    outline: 3px solid #fecaca;
    outline-offset: 2px;
}

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

.history-list {
    max-height: 260px;
    overflow-y: auto;
}

.history-empty {
    text-align: center;
    color: var(--text-secondary);
    padding: var(--spacing-xl);
    font-style: italic;
}

.history-item {
    padding: 10px 12px;
    margin-bottom: var(--spacing-xs);
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
    border-left: 3px solid var(--primary-color);
    transition: all 0.2s ease;
}

.history-item:hover {
    background-color: var(--primary-light);
    transform: translateX(4px);
}

.history-calculation {
    font-size: 0.9375rem;
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: 4px;
}

.history-timestamp {
    font-size: 0.6875rem;
    color: var(--text-secondary);
}

/* Custom Scrollbar */
.history-list::-webkit-scrollbar {
    width: 8px;
}

.history-list::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
}

.history-list::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--border-radius-sm);
}

.history-list::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* ========================================
   INFO SECTION (SEO Content)
   ======================================== */

.info-section {
    background-color: var(--bg-card);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-md);
}

.info-section h2 {
    font-size: 1.375rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.info-section h3 {
    font-size: 1.125rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.info-section h4 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.info-content {
    line-height: 1.7;
}

.info-content p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.info-item {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
}

.info-item ul {
    padding-left: var(--spacing-lg);
    margin-left: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.info-item li {
    margin-bottom: var(--spacing-xs);
}

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

/* ========================================
   SAVINGS CALCULATOR
   ======================================== */

.section-divider {
    margin: var(--spacing-lg) 0 var(--spacing-md) 0;
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--border-color);
}

.section-divider h3 {
    font-size: 1.125rem;
    color: var(--text-primary);
    margin: 0;
}

/* Savings calculator inputs - two per row on mobile */
.savings-inputs-row {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-sm);
}

.savings-inputs-row .input-group {
    flex: 1 1 calc(50% - 6px);
    min-width: calc(50% - 6px);
    max-width: calc(50% - 6px);
}

/* Three-column row support (e.g., for ages) */
.savings-inputs-row.three-column .input-group {
    flex: 1 1 calc(33.333% - 8px);
    min-width: calc(33.333% - 8px);
    max-width: calc(33.333% - 8px);
}

/* Withdrawal inputs on same row on mobile */
.withdrawal-row {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.withdrawal-row .input-group {
    flex: 1 1 calc(50% - 6px);
    min-width: calc(50% - 6px);
    max-width: calc(50% - 6px);
}

/* Desktop: Apply larger min-widths and label alignment */
@media (min-width: 768px) {
    .savings-inputs-row {
        gap: var(--spacing-md);
    }

    .savings-inputs-row .input-group {
        flex: 1 1 0;
        gap: 4px;
    }

    .savings-inputs-row .input-group label {
        width: 180px;
        min-width: 180px;
        max-width: 180px;
        margin-right: 0;
        text-align: left;
        line-height: 1.3;
    }

    .savings-inputs-row .input-group .input-wrapper,
    .savings-inputs-row .input-group .input-wrapper-percent,
    .savings-inputs-row .input-group .calc-input {
        flex: 1;
    }

    .savings-inputs-row.three-column .input-group {
        flex: 1 1 0;
        flex-direction: column;
        gap: 6px;
        min-width: 150px;
    }

    .savings-inputs-row.three-column .input-group label {
        width: 100%;
        min-width: auto;
        max-width: none;
        font-size: 0.875rem;
        text-align: left;
        line-height: 1.3;
        margin-bottom: 2px;
    }

    .savings-inputs-row.three-column .input-group .calc-input,
    .savings-inputs-row.three-column .input-group .input-wrapper {
        width: 100%;
        flex: none;
    }

    .withdrawal-row {
        gap: var(--spacing-md);
    }

    .withdrawal-row .input-group {
        flex: 1;
        min-width: 250px;
        max-width: none;
    }
}

.savings-summary {
    background-color: var(--bg-card);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-md);
    max-width: 100%;
    overflow: hidden;
}

/* Ending Balance Highlight */
.ending-balance-highlight {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 4px 0;
    margin-bottom: 8px;
    border-bottom: 2px solid var(--border-color);
}

.ending-balance-label {
    font-size: .75rem;
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.ending-balance-value {
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--primary-color);
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
}

.summary-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    align-items: center;
    text-align: center;
}

.summary-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.summary-value {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--primary-color);
}

.summary-value.highlight {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.chart-container {
    background-color: var(--bg-card);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-md);
    max-width: 100%;
    width: 100%;
    overflow: hidden;
    box-sizing: border-box;
}

.chart-container h3 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

#savings-chart,
#mortgage-chart {
    width: 100% !important;
    height: auto !important;
    max-width: 100%;
    display: block;
}

.savings-input {
    padding-left: 28px;
}

/* Data Table */
.data-table-container {
    background-color: var(--bg-card);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-md);
    max-width: 100%;
    overflow: hidden;
}

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

.table-header h3 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin: 0;
}

.btn-export,
.btn-secondary {
    background-color: var(--primary-color);
    color: var(--text-light);
    border: none;
    padding: 10px 20px;
    border-radius: var(--border-radius-sm);
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
    min-height: 40px;
}

.btn-export:hover,
.btn-secondary:hover {
    background-color: var(--primary-dark);
}

.btn-export:active,
.btn-secondary:active {
    transform: translateY(1px);
}

.btn-compact {
    font-size: 0.8125rem;
    padding: 8px 12px;
    min-height: 36px;
}

.quick-select-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-sm);
}

.date-inputs-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    max-width: 100%;
    width: 100%;
}

.date-inputs-row .input-group {
    flex-direction: row;
    align-items: center;
    gap: 2px !important;
    margin-bottom: 0;
    max-width: 100%;
    min-width: 0;
    width: 100%;
}

.date-inputs-row .input-group label {
    width: 80px !important;
    min-width: 80px !important;
    max-width: 80px !important;
    margin-bottom: 0;
    padding: 0;
    margin: 0;
    flex-shrink: 0;
}

.date-inputs-row .input-group .calc-input {
    flex: 1 1 auto;
    margin: 0;
    max-width: 100%;
    min-width: 0;
    width: 100%;
}

@media (max-width: 767px) {
    .quick-select-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .date-inputs-row {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-sm);
        max-width: 100%;
        width: 100%;
    }

    .date-inputs-row .input-group {
        flex-direction: column;
        align-items: stretch;
        gap: 4px !important;
        max-width: 100%;
        width: 100%;
        min-width: 0;
    }

    .date-inputs-row .input-group label {
        width: 100% !important;
        min-width: auto !important;
        max-width: 100% !important;
        font-size: 0.8125rem;
        text-align: left;
    }

    .date-inputs-row .input-group .calc-input {
        width: 100%;
        max-width: 100%;
        min-width: 0;
        padding: 8px 6px;
        font-size: 16px;
        box-sizing: border-box;
    }

    .date-inputs-row .input-group .calc-input[type="date"] {
        padding: 8px 4px;
    }

    .input-panel {
        padding: var(--spacing-md) var(--spacing-sm);
    }
}

.table-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9375rem;
}

.data-table thead {
    background-color: var(--primary-color);
    color: var(--text-light);
    position: sticky;
    top: 0;
    z-index: 10;
}

.data-table th {
    padding: 12px 10px;
    text-align: left;
    font-weight: 600;
    white-space: nowrap;
}

.data-table td {
    padding: 10px;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.data-table tbody tr:hover {
    background-color: var(--bg-secondary);
}

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

.data-table td.positive {
    color: #10b981;
    font-weight: 600;
}

.data-table td.negative {
    color: #ef4444;
    font-weight: 600;
}

.data-table td.balance-cell {
    font-weight: 700;
    color: var(--primary-color);
}

@media (max-width: 767px) {
    .data-table {
        font-size: 0.875rem;
    }

    .data-table th,
    .data-table td {
        padding: 8px 6px;
    }
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
    background-color: var(--text-primary);
    color: var(--text-light);
    text-align: center;
    padding: var(--spacing-md) var(--spacing-md);
    margin-top: auto;
    font-size: 0.875rem;
}

.footer p {
    margin-bottom: 4px;
    opacity: 0.9;
}


/* ========================================
   ACCESSIBILITY
   ======================================== */

/* Focus visible for keyboard navigation */
*:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

/* Reduced motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --border-color: #000000;
        --text-secondary: #000000;
    }

    .mode-tab,
    .calc-input,
    .calc-select {
        border-width: 3px;
    }
}

/* ========================================
   TIP CALCULATOR SPECIFIC STYLES
   ======================================== */

.tip-result-display {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background: linear-gradient(135deg, #c7f1fe 0%, #c7f1fe 100%);
    border-radius: var(--border-radius);
    border-left: 4px solid #0b9bf5;
}

.tip-result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
    padding: 2px 0;
}

.tip-result-row:last-child {
    margin-bottom: 0;
}

.tip-result-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: #2763a8;
}

.tip-result-value {
    font-size: 1rem;
    font-weight: 700;
    color: #2763a8;
}

.tip-result-row.highlight {
    border-top: 1px solid #0b9bf5;
    padding-top: 4px;
    margin-top: 4px;
}

.tip-result-row.highlight .tip-result-value {
    font-size: 1.125rem;
}

/* Emphasize key results */
#tip-amount-label,
#per-person-label {
    font-size: 1rem;
    font-weight: 700;
}

#tip-amount-display,
#per-person-display {
    font-size: 1.125rem;
    font-weight: 800;
}

/* Age Calculator Results */
.age-result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

.age-result-row:last-child {
    margin-bottom: 0;
    border-bottom: none;
}

.age-result-label {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
}

.age-result-value {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* Tip Slider */
/* Tip calculator inputs - two per row */
.tip-inputs-row {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-sm);
}

.tip-inputs-row .input-group {
    flex: 1 1 calc(50% - 6px);
    min-width: calc(50% - 6px);
    max-width: calc(50% - 6px);
}

@media (min-width: 768px) {
    .tip-inputs-row {
        gap: var(--spacing-md);
    }

    .tip-inputs-row .input-group {
        flex: 1;
        min-width: 200px;
        max-width: none;
    }
}

.tip-slider-container {
    margin-bottom: var(--spacing-sm);
}

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

.tip-slider-label {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
}

.tip-percentage-display {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

.tip-slider {
    width: 100%;
    height: 8px;
    border-radius: 5px;
    background: var(--bg-secondary);
    outline: none;
    -webkit-appearance: none;
}

.tip-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    border: 3px solid var(--text-light);
    box-shadow: var(--shadow-md);
}

.tip-slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    border: 3px solid var(--text-light);
    box-shadow: var(--shadow-md);
}

.tip-slider::-webkit-slider-thumb:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
}

.tip-slider::-moz-range-thumb:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
}

/* Tip Reference Table */
.tip-table {
    background-color: var(--bg-card);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-md);
    margin-top: var(--spacing-md);
    overflow-x: auto;
}

.tip-table h3 {
    font-size: 1.0625rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.tip-reference-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--bg-card);
}

.tip-reference-table thead {
    background-color: var(--primary-color);
    color: var(--text-light);
}

.tip-reference-table th {
    padding: 8px 10px;
    text-align: left;
    font-weight: 600;
    font-size: 0.8125rem;
    border-bottom: 2px solid var(--primary-dark);
    white-space: nowrap;
}

.tip-reference-table th:first-child {
    border-radius: 0;
}

.tip-reference-table th:last-child {
    border-radius: 0;
}

.tip-reference-table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.2s ease;
}

.tip-reference-table tbody tr:last-child {
    border-bottom: none;
}

.tip-reference-table tbody tr:hover {
    background-color: var(--primary-light);
}

.tip-reference-table td {
    padding: 8px 10px;
    font-size: 0.875rem;
}

.tip-reference-table td:first-child {
    font-weight: 700;
    color: var(--primary-color);
}

.tip-reference-table td:nth-child(2),
.tip-reference-table td:nth-child(3) {
    font-weight: 600;
    color: var(--text-primary);
}

.tip-reference-table td:nth-child(4),
.tip-reference-table td:nth-child(5) {
    color: var(--text-secondary);
}

/* Highlight the per-person columns on mobile when there's more than 1 person */
.per-person-col {
    font-size: 0.8125rem;
}

@media (min-width: 768px) {
    .tip-result-label {
        font-size: 0.9375rem;
    }

    .tip-result-value {
        font-size: 1.125rem;
    }

    .tip-result-row.highlight .tip-result-value {
        font-size: 1.25rem;
    }

    /* Emphasize key results on desktop */
    #tip-amount-label,
    #per-person-label {
        font-size: 1.125rem;
        font-weight: 700;
    }

    #tip-amount-display,
    #per-person-display {
        font-size: 1.3rem;
        font-weight: 800;
    }

    .tip-reference-table {
        min-width: auto;
    }

    .tip-reference-table th,
    .tip-reference-table td {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.9375rem;
    }

    .per-person-col {
        font-size: 0.9375rem;
    }
}

/* ========================================
   BMI CALCULATOR STYLES
   ======================================== */

/* BMI Top Row: Inputs and Result Side by Side */
.bmi-top-row {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
    .bmi-top-row {
        flex-direction: row;
        gap: var(--spacing-lg);
        align-items: stretch; /* Makes both cards same height */
    }

    .bmi-equal-card {
        min-width: 0;
        display: flex;
        flex-direction: column;
    }

    /* Input panel - 60% width */
    .calculator-panel.bmi-equal-card {
        flex: 0 0 60%;
    }

    /* Result card - 40% width */
    .savings-summary.bmi-equal-card {
        flex: 0 0 40%;
        justify-content: center;
    }
}

/* BMI Height Row - Keep feet and inches on same line */
.bmi-height-row {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: nowrap;
    margin-bottom: var(--spacing-sm);
}

.bmi-height-row .input-group {
    flex: 1 1 0;
    min-width: 0;
    gap: 2px;
}

.bmi-height-row .input-group label {
    font-size: 0.75rem;
    white-space: nowrap;
}

@media (min-width: 768px) {
    .bmi-height-row .input-group {
        gap: 4px;
        align-items: center;
    }

    .bmi-height-row .input-group label {
        font-size: 0.8125rem;
        width: 110px;
        min-width: 110px;
        max-width: 110px;
    }
}

/* BMI Table Full Width Below */
.bmi-table-full-width {
    margin-bottom: var(--spacing-md);
}

.bmi-table-full-width .table-header h3 {
    font-size: 1.125rem;
}

/* Unit Toggle Buttons */
.unit-toggle-container {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    justify-content: center;
}

.unit-toggle-btn {
    flex: 1;
    max-width: 200px;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    background-color: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--font-family);
}

.unit-toggle-btn:hover {
    background-color: var(--primary-light);
    border-color: var(--primary-color);
}

.unit-toggle-btn.active {
    background-color: var(--primary-color);
    color: var(--text-light);
    border-color: var(--primary-color);
}

/* Unit Inputs Container */
.unit-inputs {
    animation: fadeIn 0.3s ease;
}

.unit-inputs .input-group {
    gap: 3px;
}

.unit-inputs .input-group label {
    font-size: 0.75rem;
    flex-shrink: 0;
}

.unit-inputs .input-group .calc-input {
    flex: 1;
    min-width: 0;
}

@media (min-width: 768px) {
    .unit-inputs .input-group {
        gap: 3px;
    }

    .unit-inputs .input-group label {
        font-size: 0.8125rem;
        width: 120px;
        min-width: 120px;
        max-width: 120px;
    }

    .unit-inputs .input-group .calc-input {
        flex: 1;
        min-width: 0;
    }
}

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

/* BMI Category Display */
.bmi-category-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-sm) 0;
    margin-top: var(--spacing-sm);
}

.bmi-category-label {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.bmi-category-value {
    font-size: 1.5rem;
    font-weight: 700;
    padding: 8px 16px;
    border-radius: var(--border-radius-sm);
}

/* BMI Category Colors */
.category-underweight {
    color: #3b82f6;
    background-color: #dbeafe;
}

.category-healthy {
    color: #10b981;
    background-color: #d1fae5;
}

.category-overweight {
    color: #f59e0b;
    background-color: #fef3c7;
}

.category-obese {
    color: #ef4444;
    background-color: #fee2e2;
}

/* BMI Table Row Highlighting */
.bmi-table tbody tr {
    transition: all 0.2s ease;
}

.bmi-table tbody tr.highlighted {
    background-color: var(--primary-light);
    font-weight: 600;
}

.bmi-table tbody tr.highlighted td {
    border-left: 4px solid var(--primary-color);
}

/* ========================================
   MORTGAGE CALCULATOR STYLES
   ======================================== */

/* Down Payment Toggle ($ vs %) */
.input-wrapper-with-toggle {
    position: relative;
    display: flex;
    align-items: center;
}

.down-payment-input {
    padding-left: 28px;
    padding-right: 45px;
}

.toggle-unit-btn {
    position: absolute;
    right: 8px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 4px 10px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.toggle-unit-btn:hover {
    background-color: var(--primary-light);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.toggle-unit-btn.active {
    background-color: var(--primary-color);
    color: var(--text-light);
    border-color: var(--primary-color);
}

/* PMI Checkbox */
.pmi-checkbox {
    width: 20px;
    height: 20px;
    cursor: pointer;
    flex-shrink: 0;
    accent-color: var(--primary-color);
}

@media (min-width: 768px) {
    .pmi-checkbox {
        width: 18px;
        height: 18px;
    }
}

/* ========================================
   RETIREMENT CALCULATOR STYLES
   ======================================== */

/* Allocation Preset Buttons */
.allocation-presets {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.preset-btn {
    flex: 1;
    min-width: 120px;
    padding: 12px 16px;
    background-color: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--font-family);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.preset-btn small {
    display: block;
    font-size: 0.75rem;
    font-weight: 400;
    margin-top: 4px;
}

.preset-btn:hover {
    background-color: var(--primary-light);
    border-color: var(--primary-color);
}

.preset-btn.active {
    background-color: var(--primary-color);
    color: var(--text-light);
    border-color: var(--primary-color);
}

/* Allocation Sliders */
.allocation-sliders {
    margin-bottom: var(--spacing-lg);
}

.slider-group {
    margin-bottom: var(--spacing-md);
}

.slider-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--text-primary);
}

.allocation-slider {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: var(--bg-secondary);
    outline: none;
    -webkit-appearance: none;
}

.allocation-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
}

.allocation-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    border: none;
}

.allocation-total {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    text-align: center;
}

/* Calculate Button */
.btn-calculate {
    width: 100%;
    padding: 16px 24px;
    background-color: var(--primary-color);
    color: var(--text-light);
    border: none;
    border-radius: var(--border-radius);
    font-size: 1.125rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--font-family);
    margin-top: var(--spacing-md);
}

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

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

/* Progress Bar */
.progress-bar-container {
    width: 100%;
    height: 8px;
    background-color: var(--bg-secondary);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.progress-bar {
    height: 100%;
    background-color: var(--primary-color);
    transition: width 0.1s linear;
    width: 0%;
}

.progress-text {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

/* Success Rate Card */
.retirement-success-card {
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-secondary) 100%);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.success-rate-display {
    margin-bottom: var(--spacing-md);
}

.success-percentage {
    font-size: 4rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.success-percentage.high {
    color: #10b981;
}

.success-percentage.medium {
    color: #f59e0b;
}

.success-percentage.low {
    color: #ef4444;
}

.success-label {
    font-size: 1.25rem;
    color: var(--text-secondary);
    font-weight: 600;
}

/* Success Gauge */
.success-gauge {
    width: 100%;
    height: 20px;
    background-color: #fee2e2;
    border-radius: 10px;
    overflow: hidden;
    margin: var(--spacing-md) 0;
}

.gauge-fill {
    height: 100%;
    background: linear-gradient(90deg, #ef4444 0%, #f59e0b 50%, #10b981 100%);
    width: 0%;
    transition: width 0.8s ease;
}

.success-interpretation {
    color: var(--text-primary);
    font-size: 1rem;
    line-height: 1.6;
    margin-top: var(--spacing-md);
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
}

@media (min-width: 768px) {
    .metrics-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

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

.metric-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.metric-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* Save Scenario Section */
.save-scenario-section {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.save-scenario-input-row {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.save-scenario-input-row input {
    flex: 1;
    min-width: 200px;
}

.save-scenario-input-row button {
    flex-shrink: 0;
}

/* Saved Scenarios Container */
.saved-scenarios-container {
    background-color: var(--bg-card);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin-top: var(--spacing-md);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.saved-scenarios-container h3 {
    font-size: 1.125rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    margin-top: 0;
}

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

.scenario-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm);
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
}

.scenario-item-name {
    flex: 1;
    font-weight: 600;
    color: var(--text-primary);
}

.scenario-item-date {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-left: var(--spacing-sm);
}

.scenario-summary {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-top: 4px;
}

.scenario-summary-item {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    font-weight: 500;
    background-color: var(--bg-card);
    padding: 2px 8px;
    border-radius: 4px;
}

.scenario-item-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.scenario-item button {
    padding: 4px 12px;
    font-size: 0.8125rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: background-color 0.2s;
}

.scenario-item button:hover {
    background-color: #0984d8;
}

.scenario-item button.delete-btn {
    background-color: #ef4444;
}

.scenario-item button.delete-btn:hover {
    background-color: #dc2626;
}

@media (max-width: 767px) {
    .scenario-item {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .scenario-item-date {
        margin-left: 0;
    }

    .scenario-item-actions {
        justify-content: flex-start;
    }
}

/* Recommendations Section */
.recommendations-section {
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    border-left: 4px solid var(--primary-color);
}

.recommendations-section h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.recommendation-item {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
}

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

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

/* Disclaimer */
.disclaimer {
    background-color: #fef3c7;
    padding: var(--spacing-md);
    border-radius: var(--border-radius-sm);
    border-left: 4px solid #f59e0b;
    margin-top: var(--spacing-lg);
    font-size: 0.9375rem;
}

/* ========================================
   PRINT STYLES
   ======================================== */

@media print {
    .ad-container,
    .calculator-modes,
    .btn-clear,
    .footer,
    .sidebar {
        display: none !important;
    }

    body {
        background-color: white;
    }

    .calculator-panel,
    .history-section,
    .info-section {
        box-shadow: none;
        border: 1px solid #000;
    }
}

/* ========================================
   CALCHOUND REDESIGN STYLES
   ======================================== */

/* CalcHound Header & Branding */
.calchound-header {
    text-align: center;
    padding: var(--spacing-sm) var(--spacing-md) 0;
    background-color: var(--bg-secondary);
    position: relative;
}

@media (min-width: 768px) {
    .calchound-header {
        margin-left: 270px; /* Match main-content offset for sidebar */
        margin-right: auto;
        max-width: 750px;
        width: 750px;
    }
}

.calchound-logo {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

/* Larger logo on home page */
.home-page .calchound-logo {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.calchound-tagline {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 2px;
    display: none; /* Hidden by default, show only on home page */
}

/* Show tagline only on home page */
.home-page .calchound-tagline {
    display: block;
    font-size: 1rem;
    margin-top: 6px;
}

/* Even larger on desktop */
@media (min-width: 768px) {
    .home-page .calchound-logo {
        font-size: 3.5rem;
        letter-spacing: -1px;
    }

    .home-page .calchound-tagline {
        font-size: 1.25rem;
        margin-top: 8px;
    }
}

/* Hamburger Menu */
.hamburger-menu {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-md);
    width: 30px;
    height: 24px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    z-index: 1001;
}

.hamburger-menu span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.hamburger-menu.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger-menu.active span:nth-child(2) {
    opacity: 0;
}

.hamburger-menu.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile Navigation Overlay */
.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-nav-overlay.active {
    display: block;
    opacity: 1;
}

.mobile-nav {
    position: fixed;
    top: 0;
    right: -280px;
    width: 280px;
    height: 100vh;
    background-color: var(--bg-primary);
    box-shadow: -2px 0 8px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    padding: var(--spacing-2xl) var(--spacing-lg);
    transition: right 0.3s ease;
    overflow-y: auto;
}

.mobile-nav.active {
    right: 0;
}

.mobile-nav-link {
    display: block;
    padding: var(--spacing-md) 0;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.125rem;
    border-bottom: 1px solid var(--border-color);
    transition: color 0.2s ease;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    color: var(--primary-color);
}

/* Did You Know Info Box */
.info-box {
    background-color: var(--bg-info);
    color: var(--text-light);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    margin: var(--spacing-lg) 0;
    font-style: italic;
    line-height: 1.5;
    box-shadow: var(--shadow-sm);
}

.info-box p {
    margin: 0;
}

/* Calculator Grid (Home Page) */
.calc-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background-color: var(--bg-panel);
    border-radius: var(--border-radius-lg);
    margin: var(--spacing-lg) var(--spacing-md);
}

.calc-grid-btn {
    background-color: var(--bg-primary);
    border: none;
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    text-decoration: none;
}

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

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

/* Tab Interface for Percentage Calculator */
.calc-tabs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    background-color: var(--bg-panel);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
}

.calc-tab {
    background-color: transparent;
    border: none;
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-md);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

.calc-tab:hover {
    background-color: rgba(255, 255, 255, 0.5);
}

.calc-tab.active {
    background-color: var(--bg-primary);
    box-shadow: var(--shadow-sm);
}

/* Tab Content Areas */
.tab-content {
    display: none;
}

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

/* Input Panels with Beige Background */
.input-panel {
    background-color: var(--bg-panel);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
    max-width: 100%;
    overflow: hidden;
    box-sizing: border-box;
}

.input-panel h3 {
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

/* Result Panel */
.result-panel {
    background-color: var(--bg-panel);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    margin-top: var(--spacing-lg);
}

.result-panel h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.result-value {
    background-color: var(--bg-primary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-sm);
    font-size: 1.5rem;
    font-weight: 600;
    text-align: center;
    color: var(--text-primary);
}

/* Mobile Ad Placeholder */
.mobile-ad {
    background-color: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-sm);
    margin: var(--spacing-lg) var(--spacing-md);
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-secondary);
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Hide desktop sidebar on mobile */
@media (max-width: 767px) {
    .calculator-nav {
        display: none;
    }
}

/* Desktop styles */
@media (min-width: 768px) {
    .hamburger-menu {
        display: none;
    }
    
    .calc-grid {
        grid-template-columns: repeat(3, 1fr);
        max-width: 800px;
        margin: var(--spacing-2xl) auto;
    }
    
    .calc-tabs {
        grid-template-columns: repeat(5, 1fr);
    }
}

/* ========================================
   RETIREMENT INCOME CALCULATOR STYLES
   ======================================== */

.retirement-expense-grid {
    display: grid;
    grid-template-columns: 2fr 1.5fr 1.5fr;
    gap: var(--spacing-sm);
    align-items: center;
}

.expense-header {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-primary);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--border-color);
    text-align: center;
}

.expense-header:first-child {
    text-align: left;
}

.expense-label {
    font-size: 0.9375rem;
    color: var(--text-primary);
    padding: var(--spacing-xs) 0;
}

.expense-input {
    padding: var(--spacing-xs) 0;
}

.expense-yearly {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    text-align: right;
    padding: var(--spacing-xs) var(--spacing-sm);
}

.expense-total-label {
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-primary);
    padding: var(--spacing-sm) 0;
    border-top: 2px solid var(--border-color);
    margin-top: var(--spacing-xs);
}

.expense-total-value {
    font-weight: 700;
    font-size: 1rem;
    color: var(--primary-color);
    text-align: right;
    padding: var(--spacing-sm) var(--spacing-sm);
    border-top: 2px solid var(--border-color);
    margin-top: var(--spacing-xs);
}

@media (max-width: 767px) {
    .retirement-expense-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xs) var(--spacing-sm);
    }

    .expense-header {
        display: none;
    }

    .expense-label {
        font-weight: 600;
        margin-bottom: var(--spacing-xs);
        grid-column: 1 / -1;
    }

    .expense-input {
        margin-bottom: 0;
    }

    .expense-yearly {
        text-align: left;
        padding: 0;
        margin-bottom: 0;
        white-space: nowrap;
        display: flex;
        align-items: center;
    }

    .expense-yearly::before {
        content: "Yearly: ";
        font-weight: 600;
    }

    .expense-total-label {
        grid-column: 1 / -1;
        margin-top: var(--spacing-sm);
    }

    .expense-total-value {
        text-align: left;
        padding-left: 0;
        white-space: nowrap;
        margin-top: var(--spacing-sm);
    }
}

/* Scenario Management Styles */
.scenario-controls {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.scenario-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.scenario-buttons button {
    flex: 1;
    min-width: 120px;
}

.scenario-message {
    padding: var(--spacing-sm);
    border-radius: 4px;
    font-size: 0.9rem;
    text-align: center;
    min-height: 24px;
}

.scenario-message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.scenario-message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.scenario-message.info {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}