:root {
    /* Colours */
    --color-text: #333;
    --color-text-light: #777;
    --accent: #4a5568;
    --color-bg: #fff;
    --color-bg-light: #f5f7fa;
    --color-bg-lighter: #fbfbfb;
    --color-border: #e0e0e0;
    --color-accent-light: rgba(74, 85, 104, 0.1);
    --color-tooltip-bg: #fff;
    --color-tooltip-shadow: rgba(0, 0, 0, 0.1);
    --color-overlay: rgba(0, 0, 0, 0.5);
    --color-tips-bg: rgba(74, 85, 104, 0.05);
    --color-tips-icon: #4a5568;
    --hover-color: white;
    --robot-face-color: white;
    --color-error-bg: #fef2f2;
    --color-error-border: #ef4444;
    --color-error-text: #dc2626;
    --color-detectable: #10b981;
    --color-undetectable: #d1d5db;
    --color-baseline: #ef4444;

    /* Sizing variables */
    --border-radius: 5px;
    --container-width: 650px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.8rem;
    --spacing-md: 1.2rem;
    --spacing-lg: 1.5rem;

    /* Typography variables */
    --font-family: ui-rounded, -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Icons", "Helvetica Neue", Helvetica, Arial, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.85rem;
    --font-size-base: 0.95rem;
    --font-size-md: 1.1rem;
    --font-size-lg: 1.4rem;
    --font-size-xl: 1.8rem;
    --font-size-xxl: 2.2rem;

    /* Shadow variables */
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);

    scrollbar-color: var(--accent) transparent;
    accent-color: var(--accent);

    --external-link-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cg fill='none' stroke='currentColor' stroke-linecap='round' stroke-linejoin='round' stroke-width='2'%3E%3Cpath d='M11 5h-6v14h14v-6'/%3E%3Cpath d='M13 11l7 -7'/%3E%3Cpath d='M21 3h-6M21 3v6'/%3E%3C/g%3E%3C/svg%3E");
}

@media (prefers-color-scheme: dark) {
    :root {
        --color-text: #d4d4d4;
        --color-text-light: #9a9a9a;
        --accent: #6e818d;
        --color-bg: #131415;
        --color-bg-light: #1a1a1a;
        --color-bg-lighter: #242424;
        --color-border: #2e2e2e;
        --color-accent-light: rgba(92, 107, 115, 0.08);
        --color-tooltip-bg: #1a1a1a;
        --robot-face-color: #ebebeb;
        --color-tooltip-shadow: rgba(0, 0, 0, 0.3);
        --color-overlay: rgba(0, 0, 0, 0.7);
        --color-tips-bg: rgba(92, 107, 115, 0.05);
        --color-tips-icon: #5c6b73;
        --hover-color: black;
        --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.2);
        --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.3);
        --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.4);
        --color-error-bg: #2d1b1b;
        --color-error-border: #dc2626;
        --color-error-text: #fca5a5;
        --color-detectable: #059669;
        --color-undetectable: #4b5563;
        --color-baseline: #dc2626;
    }
}

/* ========== RESET & BASE STYLES ========== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    display: flex;
    justify-content: center;
    margin: 0;
    background-color: var(--color-bg-light);
    padding: 20px;
    min-height: 100vh;
    /* overflow-x: hidden; */
    color: var(--color-text);
    line-height: 1.6;
    font-family: var(--font-family);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-synthesis: none;
}

::-moz-selection {
    background: var(--accent);
    color: var(--hover-color);
    text-shadow: none;
}

::selection {
    background: var(--accent);
    color: var(--hover-color);
}

.app-container {
    width: 100%;
    min-width: var(--container-width);
}

.main-layout-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin: 0 auto;
    box-shadow: var(--shadow-md);
    border-radius: var(--border-radius);
    background-color: var(--color-bg);
    padding: var(--spacing-md);
    max-width: var(--container-width);
}

.main-layout-container.settings-shown {
    --container-width: 1000px;
    max-width: var(--container-width);
}

.content-wrapper {
    display: flex;
    gap: 1.5rem;
}

.calculator-content {
    flex: 2;
    min-width: 0;
}

.settings-header {
    margin-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--spacing-sm);
}

.settings-title {
    color: var(--accent);
    font-weight: 600;
    font-size: var(--font-size-md);
}


.header-container {
    text-align: center;
}

.tools-title {
    margin-bottom: var(--spacing-sm);
    color: var(--accent);
    font-weight: 400;
    font-size: 0.9rem;
}

.tools-nav {
    display: inline-flex;
    margin: 0 auto;
    border-top-right-radius: var(--border-radius);
    border-top-left-radius: var(--border-radius);
    background-color: var(--color-accent-light);
}

.tools-nav a {
    z-index: 2;
    transition: all 0.2s;
    padding: 0.6rem 1.2rem;
    color: var(--accent);
    font-weight: 500;
    font-size: 0.95rem;
    text-decoration: none;
}

.tools-nav a:hover {
    background-color: var(--color-bg-light);
    color: var(--accent);
    text-decoration: underline;
}

.tools-nav a.active {
    background-color: var(--color-bg);
}

.tools-nav a.active:hover {
    text-decoration: none;
}

.tools-nav a:not(:first-child):not(.active) {
    box-shadow: -1px 0 0 0 rgba(0, 0, 0, 0.07);
}

/* ========== MAIN CONTAINER ========== */
.content-container {
    position: relative;
    margin: 0 auto;
    box-shadow: var(--shadow-md);
    border-radius: var(--border-radius);
    background-color: var(--color-bg);
    padding: var(--spacing-md);
    width: var(--container-width);
    min-width: var(--container-width);
    max-width: var(--container-width);
    /* overflow-x: hidden; */
}

header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.content-container {
    position: relative;
    margin: 0 auto;
    box-shadow: var(--shadow-md);
    border-radius: var(--border-radius);
    background-color: var(--color-bg);
    padding: var(--spacing-md);
    width: var(--container-width);
    /* overflow-x: hidden; */
}

/* ========== HEADER STYLES ========== */
.calculator-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 0;
    text-align: center;
}

.header-content {
    display: flex;
    position: relative;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    width: 100%;
}

.calculator-title {
    color: var(--accent);
    font-weight: 600;
    font-size: var(--font-size-lg);
}

.calculator-subtitle {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

.icon {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none;
}

.advanced-header {
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    border-radius: 50%;
    background: none;
    width: 36px;
    height: 36px;
    color: var(--accent);
}

.advanced-header:hover {
    transform: rotate(30deg);
    background-color: var(--color-accent-light);
}

.tooltip-container {
    position: relative;
}

.status-indicator {
    position: absolute;
    top: 2px;
    right: 2px;
    transform: scale(0);
    opacity: 0;
    transition: all 0.25s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    border: 2px solid var(--color-bg);
    border-radius: 50%;
    background: var(--accent);
    width: 10px;
    height: 10px;
}

.status-indicator.active {
    transform: scale(1);
    opacity: 1;
}

.rich-tooltip {
    position: absolute;
    top: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%);
    visibility: hidden;
    opacity: 0;
    z-index: 1000;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-lg);
    border-radius: var(--border-radius);
    background: var(--color-tooltip-bg);
    padding: 12px 16px;
    color: var(--color-text);
    font-size: 12px;
    white-space: nowrap;
}

.rich-tooltip::after {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-bottom-color: var(--color-tooltip-bg);
    content: '';
}

.tooltip-container:hover .rich-tooltip {
    visibility: visible;
    opacity: 1;
}

.tooltip-container:has(.advanced-header.no-modifications) .rich-tooltip {
    display: none;
}

.advanced-header.no-modifications+.rich-tooltip {
    display: none;
}

/* Tooltip content styling */
.tooltip-modifications ul {
    display: flex;
    flex-direction: column;
    gap: 4px;
    list-style: none;
}

.tooltip-modifications li {
    color: var(--color-text);
    font-size: 12px;
    line-height: 1.4;
    list-style: none;
}

.tooltip-modification {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.modification-label {
    color: var(--color-text-light);
    font-size: 12px;
}

.modification-value {
    color: var(--color-text);
    font-weight: 500;
}

.tooltip-summary {
    margin-top: 8px;
    border-top: 1px solid var(--color-border);
    padding-top: 8px;
    color: var(--color-text-light);
    font-size: 12px;
    text-align: center;
}

a.external:not(:has(img, svg, video, picture, figure))::after {
    display: inline-block;
    vertical-align: -0.15em;
    margin-inline-start: 0.1em;
    background-color: currentColor;
    width: 0.8em;
    height: 0.8em;
    content: '';
    -webkit-mask-image: var(--external-link-icon);
    -webkit-mask-size: 100% 100%;
}

/* ========== ROBOT STYLES ========== */
.robot {
    display: flex;
    position: relative;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    background: var(--accent);
    aspect-ratio: 1/1;
    width: 36px;
    height: 36px;
}

.robot-face {
    display: flex;
    position: relative;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border-radius: 6px;
    background: var(--robot-face-color);
    width: 22px;
    height: 22px;
}

.robot-eyes {
    display: flex;
    gap: 6px;
    margin-bottom: 3px;
}

.robot-eye {
    transition: transform 0.1s;
    border-radius: 50%;
    background: var(--accent);
    width: 4px;
    height: 4px;
}

.robot-mouth {
    border-radius: 1px 1px 5px 5px;
    background: var(--accent);
    width: 12px;
    height: 5px;
}

/* ========== INPUTS GRID ========== */
.inputs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

/* ========== INPUT GROUPS ========== */
.input-group {
    margin-bottom: var(--spacing-xs);
}

.label-row {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-xs);
}

.input-label {
    color: var(--color-text);
    font-weight: 500;
    font-size: var(--font-size-sm);
}

.input-field {
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    background-color: var(--color-bg-light);
    padding: 0.6rem;
    width: 100%;
    color: var(--color-text);
    font-size: var(--font-size-base);
}

.input-field:focus {
    outline: none;
    box-shadow: 0 0 0 3px var(--color-accent-light);
    border-color: var(--accent);
}

.input-hint {
    display: block;
    margin-top: 0.25rem;
    color: var(--color-text-light);
    font-size: var(--font-size-xs);
}

#multipleMdes {
    margin-top: 0.8rem;
    margin-bottom: 1.2rem;
    font-size: var(--font-size-sm);
    user-select: none;
    text-align: center;
}

/* ========== RADIO & CHECKBOX STYLING ========== */
.radio-group {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: 0.4rem;
    padding-bottom: 0;
}

.radio-group.centred {
    justify-content: center;
}

.radio-label {
    display: flex;
    position: relative;
    align-items: center;
    font-size: var(--font-size-sm);
    user-select: none;
}

.radio-label input {
    margin-right: var(--spacing-xs);
}

.radio-label input:checked~.radio-label:before {
    border-color: var(--accent);
}

.radio-label:hover:before {
    border-color: var(--accent);
}

.radio-group-vertical {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.radio-group-vertical .radio-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 0;
}

.radio-group-vertical input[type="radio"] {
    margin: 0;
}


/* ========== SELECT STYLING ========== */
.select-wrapper {
    position: relative;
}

.select-wrapper::after {
    position: absolute;
    top: 50%;
    right: 12px;
    transform: translateY(-50%);
    border-top: 5px solid var(--color-text);
    border-right: 5px solid transparent;
    border-left: 5px solid transparent;
    width: 0;
    height: 0;
    pointer-events: none;
    content: '';
}

select.input-field {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    padding-right: 2rem;
}

/* ========== RESULTS GRID ========== */
.results-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

/* ========== RESULT CARDS ========== */
.result-card {
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
    border-radius: var(--border-radius);
    background: var(--color-bg-light);
    padding: var(--spacing-lg);
    text-align: center;
}

.result-title {
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
    font-weight: 600;
    font-size: var(--font-size-md);
}

.result-body {
    display: flex;
    flex-grow: 1;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.result-value {
    margin-bottom: var(--spacing-xs);
    color: var(--accent);
    font-weight: 700;
    font-size: var(--font-size-xxl);
}

.result-subtitle {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

/* ========== UNEVEN SPLIT ========== */
.stacked-variants {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
}

.variant-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    background: var(--color-bg-lighter);
    padding: 8px 12px;
    width: 200px;
}

.variant-label {
    color: var(--color-text);
    font-weight: 500;
    font-size: var(--font-size-sm);
}

.variant-value {
    color: var(--accent);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

/* ========== EXPLANATION TEXT ========== */
.explanation {
    margin: 0;
    margin-right: var(--spacing-sm);
    margin-left: var(--spacing-sm);
    color: var(--color-text-light);
    font-size: var(--font-size-base);
    line-height: 1.5;
    text-align: center;
}

.highlight {
    color: var(--color-text);
    font-weight: 600;
}

/* ========== CHART VISUALIZATION ========== */
.chart-section {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.chart-legend {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 12px;
    font-size: var(--font-size-sm);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.legend-color {
    border-radius: 2px;
    width: 12px;
    height: 12px;
}

.legend-detectable {
    background: var(--color-detectable);
}

.legend-undetectable {
    background: var(--color-undetectable);
}

.legend-baseline {
    background: var(--color-baseline);
}

.chart-container {
    position: relative;
    margin: 0;
    padding: 0;
    height: 60px;
}

.chart-bar {
    position: relative;
    border-radius: var(--border-radius);
    height: 32px;
    overflow: hidden;
}

.zone {
    position: absolute;
    top: 0;
    transition: all 0.3s ease;
    height: 100%;
}

.zone-left {
    border-radius: 6px 0 0 6px;
}

.zone-right {
    border-radius: 0 6px 6px 0;
}

.zone-middle {
    border-radius: 0;
}

.zone-detectable {
    background: var(--color-detectable);
}

.zone-undetectable {
    background: var(--color-undetectable);
}

.baseline-marker {
    position: absolute;
    top: -10px;
    transform: translateX(-50%);
    border-radius: 2px;
    background: var(--color-baseline);
    width: 3px;
    height: 52px;
}

.chart-labels {
    display: flex;
    justify-content: space-between;
    color: var(--color-text-light);
    font-size: var(--font-size-xs);
}

.chart-labels span[data-boundary="true"] {
    color: var(--color-detectable);
    font-weight: 600;
}

.text-green {
    color: var(--color-detectable);
}

.text-green .highlight {
    color: var(--color-detectable);
}

/* ========== TIPS SECTION ========== */
.tips-container {
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.tips-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: background-color 0.2s;
    margin-bottom: var(--spacing-xs);
    border-radius: var(--border-radius);
    background-color: var(--color-tips-bg);
    padding: var(--spacing-xs) var(--spacing-sm);
}

.tips-header:hover {
    background-color: var(--color-bg-lighter);
}

.tips-icon {
    width: 20px;
    height: 20px;
    fill: var(--color-tips-icon);
    flex-shrink: 0;
}

.tips-title {
    flex-grow: 1;
    color: var(--accent);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.tips-toggle {
    position: relative;
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

.tips-toggle::before,
.tips-toggle::after {
    position: absolute;
    background-color: var(--accent);
    content: '';
}

.tips-toggle::before {
    top: 50%;
    right: 0;
    left: 0;
    transform: translateY(-50%);
    height: 2px;
}

.tips-toggle::after {
    top: 0;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
}

/* Tips content */
.tips-content {
    transition: max-height 0.3s ease;
    max-height: 0;
    overflow: hidden;
}

.tips-list {
    margin-bottom: var(--spacing-xs);
    padding: 0 var(--spacing-sm);
    list-style-type: none;
}

.tips-list li {
    position: relative;
    margin-bottom: var(--spacing-xs);
    padding-left: 1.5em;
    color: var(--color-text);
    font-size: var(--font-size-sm);
}

.tips-list li::before {
    position: absolute;
    top: 0.5em;
    left: 0;
    border-radius: 50%;
    background-color: var(--accent);
    width: 6px;
    height: 6px;
    content: '';
}

/* Checkbox hack for tips toggle */
#tipsToggle {
    display: none;
}

#tipsToggle:checked~.tips-content {
    max-height: 500px;
}

#tipsToggle:checked~.tips-header .tips-toggle::after {
    transform: translateX(-50%) scaleY(0);
}

/* ========== ERRORS ========== */
.error-container {
    margin-bottom: var(--spacing-md);
    border-left: 3px solid var(--color-error-border);
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    background-color: var(--color-error-bg);
    padding: var(--spacing-xs) var(--spacing-md);
    color: var(--color-error-text);
}

.error-header {
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

#errorList {
    padding-left: 1.5rem;
    font-size: var(--font-size-sm);
    line-height: 1.4;
}

.input-error {
    border-color: var(--color-error-border) !important;
}


/* ========== TABS CONTAINER ========== */
.tabs-container {
    position: relative;
    margin-bottom: var(--spacing-lg);
}

.tab-input {
    display: none;
}

.tab-label {
    display: inline-block;
    position: relative;
    z-index: 1;
    transition: all 0.2s ease;
    cursor: pointer;
    border: 1px solid var(--color-border);
    border-bottom: none;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    background-color: var(--color-bg-light);
    padding: 0.5rem 1rem;
    color: var(--color-text-light);
    font-weight: 500;
    font-size: var(--font-size-sm);
}

.tab-label:hover {
    background-color: var(--color-bg-lighter);
}

.tab-input:checked+.tab-label {
    border-color: var(--color-border);
    border-bottom-color: none;
    background-color: var(--color-bg);
    color: var(--accent);
    font-weight: 600;
}

.tab-content {
    display: none;
    position: relative;
    top: -1px;
    border: 1px solid var(--color-border);
    border-radius: 0 var(--border-radius) var(--border-radius) var(--border-radius);
    background-color: var(--color-bg);
    padding: var(--spacing-md);
}

#tab-single:checked~#tab-single-content,
#tab-table:checked~#tab-table-content {
    display: block;
}

/* ========== SHARE CARD STYLES ========== */
.dropdown {
    display: inline-block;
    position: relative;
}

.action-buttons-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
}

.share-button,
.download-plan-button {
    display: inline-flex;
    position: relative;
    align-items: center;
    gap: 8px;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
    background: transparent;
    padding: 0.5rem;
    overflow: hidden;
    color: var(--accent);
    font-weight: 500;
    font-size: var(--font-size-md);
    text-decoration: none;
}

.share-button::after,
.download-plan-button::after {
    position: absolute;
    bottom: 0;
    left: 0;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
    background-color: var(--accent);
    width: 100%;
    height: 2px;
    content: '';
}

.share-button:hover::after,
.download-plan-button:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.share-button svg,
.download-plan-button svg {
    transition: transform 0.3s;
}

.share-button:hover #link {
    transform: rotate(-45deg);
}

.download-action {
    padding: 0;
    white-space: nowrap;
}

.download-trigger {
    transform: translateY(-1px);
    margin-left: 4px;
    padding: 0;
}

.download-plan-button svg.download-arrow {
    display: inline-block;
    vertical-align: middle;
    width: 12px;
    height: 12px;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    z-index: 10;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    background: var(--color-bg);
    padding: 2px;
    min-width: 180px;
}

.dropdown.open .dropdown-menu {
    display: block;
}

.dropdown-item {
    display: block;
    transition: background-color 0.2s;
    cursor: pointer;
    border: none;
    border-radius: var(--border-radius);
    background: none;
    padding: 0.6rem 1rem;
    width: 100%;
    font-size: 0.9rem;
    text-align: left;
}

.dropdown-item:hover {
    background-color: var(--color-bg-light);
}

.download-arrow {
    vertical-align: middle;
    pointer-events: none;
}

/* ========== SHARE CARD STYLES ========== */
.share-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 0 auto;
    max-width: 350px;
    text-align: center;
}

/* ========== PLAN NAME STYLES ========== */
.plan-name-input {
    transition: all 0.2s ease;
    border: none;
    border-bottom: 1px dashed var(--color-border);
    background-color: transparent;
    padding: 0.5rem 0.75rem;
    width: 100%;
    color: var(--color-text);
    font-size: var(--font-size-sm);
    text-align: center;
}

.plan-name-input::placeholder {
    color: var(--color-text-light);
    font-style: italic;
}

.plan-name-input:focus {
    outline: none;
    background-color: var(--color-bg);
}

.plan-name-input:not(:placeholder-shown) {
    background-color: var(--color-bg);
    font-weight: 500;
}

/* ========== SHARE BUTTON STYLES ========== */
.share-button {
    display: inline-flex;
    position: relative;
    align-items: center;
    gap: 8px;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
    background: transparent;
    padding: 0.5rem;
    overflow: hidden;
    color: var(--accent);
    font-weight: 500;
    font-size: var(--font-size-md);
    text-decoration: none;
}

.share-button::after {
    position: absolute;
    bottom: 0;
    left: 0;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
    background-color: var(--accent);
    width: 100%;
    height: 2px;
    content: '';
}

.share-button:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.share-button svg {
    transition: transform 0.3s;
}

.share-button:hover #link {
    transform: rotate(-45deg);
}

/* ========== HIDDEN SECTIONS ========== */
.hidden {
    display: none !important;
}

/* ========== MODAL/OVERLAY ========== */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    justify-content: center;
    align-items: center;
    opacity: 0;
    z-index: 1000;
    background-color: var(--color-overlay);
    padding: var(--spacing-md);
    overflow-y: auto;
}

.modal-overlay:target {
    display: flex;
    opacity: 1;
}

.modal-overlay:target .modal-container {
    transform: translateY(0);
}

.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    z-index: -1;
    cursor: pointer;
    width: 100%;
    height: 100%;
}

.modal-container {
    display: flex;
    position: relative;
    flex-direction: column;
    transform: translateY(20px);
    box-shadow: var(--shadow-lg);
    border-radius: var(--border-radius);
    background-color: var(--color-bg);
    width: 100%;
    max-width: 700px;
    max-height: 100%;
    overflow-y: hidden;
}

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

.modal-title {
    color: var(--accent);
    font-weight: 600;
    font-size: var(--font-size-md);
}

.modal-close {
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    border: none;
    border-radius: 50%;
    background: none;
    width: 30px;
    height: 30px;
    color: var(--color-text-light);
    font-size: var(--font-size-lg);
    text-decoration: none;
}

.modal-close:hover {
    background-color: var(--color-bg-light);
    color: var(--color-text);
}

.modal-body {
    flex: 1;
    padding: var(--spacing-lg);
    overflow-y: auto;
}

.modal-footer {
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-sm);
    text-align: right;
}

.modal-button {
    cursor: pointer;
    border: none;
    border-radius: var(--border-radius);
    background-color: var(--accent);
    padding: 0.5rem 1rem;
    color: white;
    font-weight: 500;
    font-size: var(--font-size-sm);
}

.modal-button:hover {
    opacity: 0.9;
}

h4 {
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    color: var(--accent);
    font-size: var(--font-size-md);
}

h4:first-child {
    margin-top: 0;
}

p {
    margin-bottom: 1.5em;
    line-height: 1.5;
}

.formula {
    margin: 0.75rem 0;
    text-align: center;
}

math {
    font-size: 1.2rem;
}


ol {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

ol>li {
    margin-bottom: 1rem;
}

ul {
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    list-style-type: disc;
}

ul>li {
    margin-bottom: 0.3rem;
}

hr {
    margin: 1.5rem 0;
    border: none;
    border-top: 1px solid var(--color-border);
}

a {
    color: var(--accent);
    text-decoration: underline;
    text-decoration-color: color-mix(in srgb, var(--accent), transparent 40%);
}

a:hover {
    text-decoration-color: var(--accent);
}

.test-type-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 10px;
    margin: 12px 0;
}

.test-type-card {
    border-radius: var(--border-radius);
    background: var(--color-bg-light);
    padding: var(--spacing-sm);
}

.test-type-card h6 {
    color: var(--accent);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.test-type-card p {
    margin: 2px 0;
    font-size: 11px;
}

.test-type-card small {
    display: block;
    margin-top: 4px;
    color: var(--color-text-light);
    font-size: 11px;
}

.formula-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 4vh;
}

.formula-row p {
    margin: 2px 0;
    text-align: center;
}

/* Checkbox hack for modal toggle */
#modalToggle {
    display: none;
}

#modalToggle:checked~.modal-overlay {
    display: flex;
    opacity: 1;
}

#modalToggle:checked~.modal-overlay .modal-container {
    transform: translateY(0);
}

/* ========== CONFIGURATION SECTIONS ========== */
.config-section {
    margin-bottom: var(--spacing-md);
}

.config-section:last-child {
    margin-bottom: 0;
}

.config-section-title {
    margin-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--spacing-xs);
    color: var(--color-text);
    font-weight: 600;
    font-size: var(--font-size-base);
}

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

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

/* ========== RANGE SLIDER STYLES ========== */
.range-group {
    margin-bottom: var(--spacing-sm);
}

.range-values {
    display: flex;
    justify-content: space-between;
    margin-top: 0.25rem;
    color: var(--color-text-light);
    font-size: var(--font-size-xs);
}

.range-field {
    margin-top: var(--spacing-xs);
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
    outline: none;
    border: 1px solid var(--color-border);
    border-radius: 5px;
    background: var(--color-bg);
    height: 5px;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
    box-shadow: none;
    border: none;
    border-radius: 50%;
    background: var(--accent);
    width: 16px;
    height: 16px;
    -webkit-box-shadow: none;
}

input[type="range"]::-moz-range-thumb {
    cursor: pointer;
    border: none;
    border-radius: 50%;
    background: var(--accent);
    width: 16px;
    height: 16px;
}

.short-number-input {
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    background-color: var(--color-bg-light);
    padding: 0.25rem;
    width: 4rem;
    color: var(--color-text);
    font-size: var(--font-size-sm);
    text-align: center;
}

/* ========== STATISTICS SECTION STYLES ========== */
.stat-details {
    margin-top: var(--spacing-sm);
    text-align: left;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.3rem;
}

.stat-label {
    color: var(--color-text-light);
}

/* ========== TOOLTIP STYLES ========== */
.tooltip-trigger {
    position: relative;
    justify-content: center;
    align-items: center;
    vertical-align: text-bottom;
    margin-left: 4px;
    width: 16px;
    height: 16px;
    user-select: none;
}

.tooltip-trigger::before {
    position: absolute;
    top: 1px;
    width: 100%;
    height: 100%;
    content: "";
    -webkit-mask: url('data:image/svg+xml,<%3Fxml version="1.0" encoding="utf-8"%3F><svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg" fill="none"><path fill="%23000000" fill-rule="evenodd" d="M10 3a7 7 0 100 14 7 7 0 000-14zm-9 7a9 9 0 1118 0 9 9 0 01-18 0zm8.423-3a.923.923 0 00-.923.923v.385a1 1 0 11-2 0v-.385A2.923 2.923 0 019.423 5H10c1.941 0 3.5 1.591 3.5 3.516 0 .927-.48 1.8-1.276 2.29l-1.7 1.046a1 1 0 01-1.048-1.704l1.7-1.046a.691.691 0 00.324-.586C11.5 7.679 10.82 7 10 7h-.577zm.587 8a1 1 0 100-2H10a1 1 0 100 2h.01z"/></svg>');
    background-color: var(--color-text-light);
}

.tooltip {
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%) translateY(-100%);
    visibility: hidden;
    opacity: 0;
    z-index: 10;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    box-shadow: 0 2px 8px var(--color-tooltip-shadow);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    background: var(--color-tooltip-bg);
    padding: var(--spacing-xs) var(--spacing-sm);
    width: max-content;
    max-width: 220px;
    color: var(--color-text);
    font-weight: normal;
    font-size: var(--font-size-xs);
    text-align: center;
}

.tooltip::after {
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    border-right: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    background-color: var(--color-tooltip-bg);
    width: 10px;
    height: 10px;
    content: '';
}

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

/* Chart tooltip styles */
.chart-tooltip {
    position: absolute;
    visibility: hidden;
    opacity: 0;
    z-index: 1000;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    box-shadow: 0 2px 8px var(--color-tooltip-shadow);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    background: var(--color-tooltip-bg);
    padding: var(--spacing-xs) var(--spacing-sm);
    pointer-events: none;
    color: var(--color-text);
    font-weight: normal;
    font-size: var(--font-size-xs);
    text-align: center;
    white-space: nowrap;
}

.chart-tooltip::after {
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    border-right: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    background-color: var(--color-tooltip-bg);
    width: 10px;
    height: 10px;
    content: '';
}

.chart-tooltip.visible {
    visibility: visible;
    opacity: 1;
}

.chart-point:hover {
    filter: brightness(1.2);
}

.variant-distribution-container {
    margin-bottom: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    background-color: var(--color-bg);
    padding: var(--spacing-sm);
}

.variant-slider-item {
    margin-bottom: var(--spacing-sm);
}

.variant-slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.control-label {
    margin-left: var(--spacing-sm);
    color: var(--color-text-light);
    font-weight: normal;
    font-size: var(--font-size-xs);
}

.variant-letter-label {
    display: flex;
    align-items: center;
    font-weight: 500;
}

.variant-percentage {
    font-weight: 500;
    font-size: var(--font-size-sm);
}

.distribution-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: var(--spacing-xs);
}

.action-button {
    cursor: pointer;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    background-color: var(--color-bg-light);
    padding: 6px 12px;
    color: var(--color-text);
    font-size: var(--font-size-xs);
}

#custom-distribution-section .label-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}

.distribution-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

#share-icon {
    vertical-align: text-bottom;
}

#resetDistributionBtn {
    margin-left: 1rem;
}

.action-button:hover {
    border-color: var(--accent);
    background-color: var(--color-accent-light);
}

.variant-range {
    -webkit-appearance: none;
    appearance: none;
    outline: none;
    border-radius: 3px;
    background: var(--color-bg-light);
    width: 100%;
    height: 6px;
}

/* ========== COMPARISON TABLE SECTION ========== */
.comparison-container {
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.comparison-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: background-color 0.2s;
    cursor: pointer;
    margin-bottom: var(--spacing-xs);
    border-radius: var(--border-radius);
    background-color: var(--color-bg-light);
    padding: var(--spacing-xs) var(--spacing-sm);
}

.comparison-header:hover {
    background-color: var(--color-bg-lighter);
}

.comparison-icon {
    width: 20px;
    height: 20px;
    fill: var(--accent);
    flex-shrink: 0;
}

.comparison-title {
    flex-grow: 1;
    color: var(--accent);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.comparison-toggle {
    position: relative;
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

.comparison-toggle::before,
.comparison-toggle::after {
    position: absolute;
    transition: transform 0.3s ease;
    background-color: var(--accent);
    content: '';
}

.comparison-toggle::before {
    top: 50%;
    right: 0;
    left: 0;
    transform: translateY(-50%);
    height: 2px;
}

.comparison-toggle::after {
    top: 0;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
}

/* Table content */
.comparison-content {
    transition: max-height 0.3s ease;
    max-height: 0;
    overflow: hidden;
}

/* SVG chart containers - only for tabs with SVG charts */
#tab-table-content .chart-container,
#tab-time-content .chart-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: var(--spacing-xs) 0;
    padding: 0;
    min-height: 300px;
}

#tab-table-content .chart-container svg,
#tab-time-content .chart-container svg {
    background: transparent;
    width: 100%;
    max-width: 100%;
    height: 280px;
}

@media (max-width: 768px) {

    #tab-table-content .chart-container,
    #tab-time-content .chart-container {
        margin: var(--spacing-xs) 0;
        padding: 0;
        min-height: 260px;
    }

    #tab-table-content .chart-container svg,
    #tab-time-content .chart-container svg {
        width: 100%;
        min-width: 280px;
        height: 240px;
    }

    #tab-table-content .chart-container svg text,
    #tab-time-content .chart-container svg text {
        font-size: var(--font-size-xs) !important;
    }
}

.comparison-table-container {
    margin-bottom: var(--spacing-xs);
    border-radius: var(--border-radius);
    overflow-x: auto;
}

.comparison-table {
    border-collapse: collapse;
    width: 100%;
    font-size: var(--font-size-xs);
    text-align: center;
}

.comparison-table th,
.comparison-table td {
    padding: 0.3rem;
}

.comparison-table th {
    background-color: var(--color-bg-light);
    padding: var(--spacing-xs);
    font-weight: 600;
    white-space: nowrap;
}

.comparison-table td {
    vertical-align: middle;
    padding: var(--spacing-xs);
}

.comparison-table td.highlight {
    color: var(--accent);
    font-weight: 600;
}

.comparison-table td.editable {
    position: relative;
    background-color: transparent;
}

.comparison-table tbody tr:nth-child(even) {
    background-color: var(--color-bg-light);
}

.comparison-table tr {
    transition: background-color 0.3s ease, transform 0.5s ease;
}

.comparison-table input[type="number"] {
    border: 1px solid transparent;
    background: transparent;
    padding: 0.2rem;
    width: 70px;
    color: var(--color-text);
    font-size: var(--font-size-sm);
    font-family: inherit;
    text-align: center;
}

.comparison-table input:focus {
    outline: 2px solid var(--accent);
    outline-offset: -1px;
}

/* Chrome, Safari, Edge, Opera */
.comparison-table input[type=number]::-webkit-inner-spin-button,
.comparison-table input[type=number]::-webkit-outer-spin-button {
    opacity: 1;
}

/* Firefox */
.comparison-table input[type=number] {
    -moz-appearance: auto;
}

.delete-row {
    display: flex;
    position: absolute;
    top: 50%;
    justify-content: center;
    align-items: center;
    transform: translateY(-50%);
    opacity: 0.7;
    z-index: 2;
    cursor: pointer;
    outline: none;
    border: none;
    border-radius: 50%;
    background: transparent;
    width: 24px;
    height: 24px;
    font-size: 16px;
}

.delete-row:hover {
    opacity: 1;
    background-color: var(--color-bg-lighter);
}

@media (hover: hover) {
    .delete-row {
        opacity: 0;
    }

    tr:hover .delete-row {
        opacity: 0.7;
    }

    .delete-row:hover {
        opacity: 1;
    }
}

/* Active/focus state for all devices */
.delete-row:active,
.delete-row:focus {
    opacity: 1;
}

.comparison-actions {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.comparison-button {
    transition: background-color 0.2s;
    cursor: pointer;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    background-color: var(--color-bg-light);
    padding: 0.3rem 0.6rem;
    color: var(--color-text);
    font-size: var(--font-size-xs);
}

.comparison-button:hover:not(:disabled) {
    background-color: var(--color-bg-lighter);
}

.comparison-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.comparison-button:focus:not(:disabled) {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.row-limit-message {
    display: none;
    color: var(--color-text-light);
    font-size: var(--font-size-xs);
}

/* Checkbox hack for content toggle */
#comparisonToggle {
    display: none;
}

#comparisonToggle:checked~.comparison-content {
    max-height: 1000px;
}

#comparisonToggle:checked~.comparison-header .comparison-toggle::after {
    transform: translateX(-50%) scaleY(0);
}

/* ========== FOOTER ========== */
.app-footer {
    margin: var(--spacing-md) auto 0;
    padding: var(--spacing-md) 0;
    padding-top: 0;
    width: var(--container-width);
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

.footer-content {
    display: flex;
    justify-content: center;
    margin: 0 auto;
    text-align: center;
}

.footer-text {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-xs);
    margin: 0;
}

.footer-link {
    transition: opacity 0.2s ease;
    color: var(--accent);
    text-decoration: underline;
    text-decoration-color: color-mix(in srgb, var(--accent), transparent 40%);
}

.footer-link:hover {
    text-decoration-color: var(--accent);
}

.separator {
    opacity: 0.5;
    color: var(--color-text-light);
    user-select: none;
}

.heart {
    color: #d42e28;
}

@media (max-width: 649px) {
    :root {
        --container-width: calc(100vw - 16px);
    }

    .content-container {
        border-top-right-radius: 0;
        border-top-left-radius: 0;
    }

    .tooltip {
        position: fixed;
        top: 50%;
        bottom: auto;
        left: 50%;
        transform: translate(-50%, -50%);
        padding: var(--spacing-sm) var(--spacing-md);
        max-width: 85vw;
        text-align: left;
        white-space: normal;
    }

    .tooltip::after {
        display: none;
    }

    .advanced-header {
        position: static;
    }

    .action-buttons-container {
        gap: var(--spacing-md);
    }

    .share-button,
    .download-plan-button {
        gap: 6px;
        padding: 0.4rem;
        font-size: var(--font-size-base);
    }

    .plan-name-input {
        padding: 0.4rem 0.6rem;
        font-size: var(--font-size-xs);
    }

    .plan-name-container {
        margin-top: var(--spacing-sm);
        max-width: 100%;
    }

    .plan-name-input {
        font-size: var(--font-size-xs);
    }

    .app-container {
        margin: 0;
        padding: 8px;
        padding-bottom: 0;
    }

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

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

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

    .comparison-table {
        font-size: var(--font-size-sm);
    }

    .comparison-table input[type="number"] {
        padding: 0.3rem;
    }

    .tabs-container {
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
    }

    .tab-label {
        display: inline-block;
        padding-right: var(--spacing-sm);
        padding-left: var(--spacing-sm);
        font-size: var(--font-size-xs);
    }

    .tab-content {
        white-space: normal;
    }

    .rich-tooltip {
        display: none !important;
    }
}

.settings-checkbox {
    display: none;
}

/* Settings close button styling */
.settings-close {
    cursor: pointer;
    color: var(--color-text-light);
    font-size: 1.5rem;
    line-height: 1;
    text-decoration: none;
}

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

/* Default: Settings panel hidden */
.settings-panel {
    display: none;
}

/* When checkbox is checked: Show settings panel */
.settings-checkbox:checked~.main-layout-container .settings-panel {
    display: block;
}

/* When checkbox is checked: Expand container */
.settings-checkbox:checked~.main-layout-container {
    max-width: 1200px;
}

/* When checkbox is checked: Visual feedback on toggle button */
.settings-checkbox:checked~.main-layout-container .advanced-header {
    transform: rotate(180deg);
    background-color: var(--color-accent-light);
}

/* Mobile: Modal behavior when checkbox is checked */
@media (max-width: 1023px) {
    .settings-checkbox:checked~.main-layout-container .settings-panel {
        display: flex;
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        left: 0;
        flex-direction: column;
        justify-content: center;
        align-items: flex-start;
        z-index: 1000;
        background: var(--color-overlay);
        padding: 2rem 1rem;
    }

    .settings-checkbox:checked~.main-layout-container .settings-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .settings-checkbox:checked~.main-layout-container .settings-panel>.settings-header,
    .settings-checkbox:checked~.main-layout-container .settings-panel>.settings-content {
        position: relative;
        z-index: 1;
        margin: 0 auto;
        background: var(--color-bg);
        padding: var(--spacing-md);
        width: 100%;
        max-width: 600px;
    }

    .settings-checkbox:checked~.main-layout-container .settings-panel>.settings-header {
        border-bottom: 1px solid var(--color-border);
        border-radius: var(--border-radius) var(--border-radius) 0 0;
        padding-bottom: var(--spacing-sm);
    }

    .settings-checkbox:checked~.main-layout-container .settings-panel>.settings-content {
        border-radius: 0 0 var(--border-radius) var(--border-radius);
        max-height: 85vh;
        overflow-y: auto;
    }

    .settings-close {
        display: block;
    }
}

/* Desktop: Side panel behavior when checkbox is checked */
@media (min-width: 1024px) {
    .settings-checkbox:checked~.main-layout-container .settings-panel {
        display: block;
        flex: 1;
        border-radius: var(--border-radius);
        background-color: var(--color-bg-light);
        padding: var(--spacing-md);
        min-width: 300px;
        max-width: 400px;
        height: fit-content;
    }

    .settings-close {
        display: none;
    }
}