.calczero-page-shell,
.calczero-calculator {
    --cz-page-bg: linear-gradient(to bottom, #ffffff 0%, #f9fafb 100%);
    --cz-surface: #ffffff;
    --cz-surface-soft: #f3f4f6;
    --cz-surface-softest: #f9fafb;
    --cz-border: #e5e7eb;
    --cz-border-strong: #d1d5db;
    --cz-text: #000000;
    --cz-body: #1f2937;
    --cz-muted: #6b7280;
    --cz-accent: #10b981;
    --cz-accent-strong: #059669;
    --cz-accent-soft: #f0fdf4;
    --cz-blue-soft: #dbeafe;
    --cz-blue-text: #1e40af;
    --cz-success-soft: #d1fae5;
    --cz-success-text: #065f46;
    --cz-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --cz-shadow-md: 0 10px 30px rgba(17, 24, 39, 0.06);
    --cz-shadow-lg: 0 18px 44px rgba(15, 23, 42, 0.08);
    --cz-radius-sm: 8px;
    --cz-radius-md: 12px;
    --cz-radius-lg: 16px;
    --cz-radius-xl: 20px;
}

.calczero-page-shell {
    background: var(--cz-page-bg);
    padding: 32px 0 56px;
}

.calczero-content-shell {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
}

.calczero-breadcrumbs {
    margin-bottom: 1.25rem;
}

.calczero-breadcrumbs ol {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0;
    padding: 0;
    list-style: none;
    font-size: 0.95rem;
    color: var(--cz-muted);
}

.calczero-breadcrumbs li {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.calczero-breadcrumbs li + li::before {
    content: ">";
    color: #9ca3af;
}

.calczero-breadcrumbs a {
    color: var(--cz-muted);
    text-decoration: none;
    transition: color 0.2s ease;
}

.calczero-breadcrumbs a:hover,
.calczero-breadcrumbs a:focus {
    color: var(--cz-body);
}

.calczero-page-hero {
    margin-bottom: 2rem;
    text-align: center;
}

.calczero-page-kicker,
.calczero-card-badge,
.calczero-term-badge,
.calczero-eyebrow,
.calczero-result-kicker {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.375rem 0.75rem;
    border-radius: 999px;
    background: var(--cz-accent-soft);
    color: var(--cz-accent-strong);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.calczero-page-hero h1,
.calczero-title {
    margin: 1rem 0 0.875rem;
    color: var(--cz-text);
    font-size: clamp(2.25rem, 4vw, 2.75rem);
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -0.02em;
}

.calczero-page-intro,
.calczero-description,
.calczero-copy,
.calczero-section-heading p,
.calczero-list-card-body p,
.calczero-category-card p,
.calczero-related-card-link span,
.calczero-empty-state p,
.calczero-result-note,
.calczero-keypad-help {
    color: var(--cz-muted);
    font-size: 1rem;
    line-height: 1.75;
}

.calczero-page-intro,
.calczero-description {
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.calczero-content-section,
.calczero-calculator-card,
.calczero-list-card,
.calczero-empty-state,
.calczero-related-card {
    background: var(--cz-surface);
    border: 1px solid var(--cz-border);
    border-radius: var(--cz-radius-lg);
    box-shadow: var(--cz-shadow-sm);
}

.calczero-calculator {
    margin: 2rem 0;
    color: var(--cz-body);
}

.calczero-calculator-card {
    padding: 2.5rem;
    box-shadow: var(--cz-shadow-lg);
}

.calczero-heading {
    margin-bottom: 2rem;
    text-align: center;
}

.calczero-eyebrow {
    margin-bottom: 0.875rem;
}

.calczero-description {
    margin-top: 0.875rem;
}

.calczero-copy {
    margin-bottom: 1.5rem;
}

.calczero-copy p:last-child,
.calczero-richtext > :last-child,
.calczero-list-card-body p:last-child,
.calczero-category-card p:last-child,
.calczero-section-heading p:last-child,
.calczero-page-intro:last-child,
.calczero-related-card-link span:last-child {
    margin-bottom: 0;
}

.calczero-form {
    display: grid;
    gap: 1.5rem;
}

.calczero-fields {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
}

.calczero-field {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.calczero-label {
    color: #374151;
    font-size: 0.95rem;
    font-weight: 600;
}

.calczero-required {
    margin-left: 0.25rem;
    color: #dc2626;
}

.calczero-input {
    width: 100%;
    min-height: 52px;
    padding: 0.875rem;
    border: 2px solid var(--cz-border);
    border-radius: var(--cz-radius-sm);
    background: #ffffff;
    color: var(--cz-body);
    font-size: 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.calczero-input:focus,
.calczero-input.is-active {
    outline: none;
    border-color: var(--cz-accent);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.calczero-input::-webkit-outer-spin-button,
.calczero-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

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

.calczero-actions {
    display: flex;
    gap: 1rem;
    align-items: stretch;
}

.calczero-button,
.calczero-button-secondary,
.calczero-key {
    appearance: none;
    border-radius: var(--cz-radius-sm);
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.calczero-button {
    flex: 1 1 auto;
    padding: 1.125rem;
    border: 0;
    background: var(--cz-accent);
    color: #ffffff;
    font-size: 1.125rem;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.25);
}

.calczero-button:hover,
.calczero-button:focus {
    background: var(--cz-accent-strong);
    transform: translateY(-2px);
    box-shadow: 0 8px 18px rgba(16, 185, 129, 0.28);
}

.calczero-button[disabled] {
    opacity: 0.7;
    cursor: wait;
}

.calczero-button-secondary {
    padding: 1.125rem 1.5rem;
    border: 2px solid var(--cz-border);
    background: var(--cz-surface-soft);
    color: var(--cz-muted);
    font-size: 1rem;
}

.calczero-button-secondary:hover,
.calczero-button-secondary:focus {
    border-color: var(--cz-border-strong);
    background: #e5e7eb;
    color: #374151;
}

.calczero-message {
    padding: 0.875rem 1rem;
    border-radius: var(--cz-radius-sm);
    background: #fef2f2;
    color: #991b1b;
    font-size: 0.95rem;
    font-weight: 500;
}

.calczero-results-panel {
    margin-top: 2rem;
}

.calczero-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.calczero-result-card {
    padding: 2rem;
    background: #ffffff;
    border: 2px solid var(--cz-border);
    border-radius: var(--cz-radius-md);
    box-shadow: var(--cz-shadow-sm);
}

.calczero-result-card.is-primary {
    border-width: 3px;
    border-color: var(--cz-accent);
    background: linear-gradient(to bottom, var(--cz-accent-soft) 0%, #ffffff 100%);
}

.calczero-result-kicker {
    margin-bottom: 0.875rem;
}

.calczero-result-label {
    margin-bottom: 0.5rem;
    color: var(--cz-muted);
    font-size: 0.95rem;
    font-weight: 600;
}

.calczero-result-value {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--cz-accent-strong);
    font-size: clamp(2.5rem, 5vw, 3rem);
    font-weight: 800;
    line-height: 1.05;
}

.calczero-result-note {
    margin: 0;
}

.calczero-keypad-shell {
    padding: 1.25rem;
    background: var(--cz-surface-softest);
    border: 1px solid var(--cz-border);
    border-radius: var(--cz-radius-md);
}

.calczero-keypad-help {
    margin: 0 0 1rem;
}

.calczero-keypad {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem;
}

.calczero-key {
    min-height: 56px;
    padding: 0.75rem;
    border: 2px solid var(--cz-border);
    background: #ffffff;
    color: var(--cz-body);
    font-size: 1rem;
}

.calczero-key:hover,
.calczero-key:focus {
    border-color: var(--cz-accent);
    transform: translateY(-1px);
}

.calczero-key.is-accent {
    background: var(--cz-accent-soft);
    color: var(--cz-accent-strong);
    border-color: #b7f7df;
}

.calczero-key.is-wide {
    min-width: 0;
}

.calczero-calculator.is-layout-calculator-buttons .calczero-form {
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
    gap: 1.5rem;
    align-items: start;
}

.calczero-calculator.is-layout-calculator-buttons .calczero-fields,
.calczero-calculator.is-layout-calculator-buttons .calczero-actions,
.calczero-calculator.is-layout-calculator-buttons .calczero-message {
    grid-column: 1 / 2;
}

.calczero-calculator.is-layout-calculator-buttons .calczero-keypad-shell {
    grid-column: 2 / 3;
    grid-row: 1 / 4;
}

.calczero-calculator.is-layout-calculator-buttons .calczero-results-panel {
    margin-top: 1.5rem;
}

.calczero-calculator.is-preset-compact .calczero-calculator-card {
    padding: 1.75rem;
}

.calczero-calculator.is-preset-compact .calczero-fields {
    gap: 1rem;
}

.calczero-calculator.is-preset-compact .calczero-input,
.calczero-calculator.is-preset-compact .calczero-button,
.calczero-calculator.is-preset-compact .calczero-button-secondary {
    min-height: 46px;
    padding-top: 0.875rem;
    padding-bottom: 0.875rem;
}

.calczero-calculator.is-preset-modern .calczero-calculator-card,
.calczero-calculator.is-preset-modern .calczero-result-card.is-primary {
    box-shadow: var(--cz-shadow-md);
}

.calczero-single-post .calczero-calculator {
    margin: 0;
}

.calczero-single-post .calczero-calculator .calczero-heading {
    display: none;
}

.calczero-term-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    margin-bottom: 0.75rem;
}

.calczero-term-badge {
    text-decoration: none;
}

.calczero-term-badge:hover,
.calczero-term-badge:focus {
    background: #dcfce7;
}

.calczero-single-calculator,
.calczero-archive-section,
.calczero-content-section {
    margin-bottom: 2rem;
}

.calczero-content-section {
    padding: 2.5rem;
    box-shadow: var(--cz-shadow-sm);
}

.calczero-section-heading {
    margin-bottom: 1.5rem;
}

.calczero-section-heading h2,
.calczero-section-heading h3,
.calczero-list-card-body h2,
.calczero-list-card-body h3,
.calczero-related-card-link strong,
.calczero-category-card h3 {
    display: block;
    margin: 0 0 0.75rem;
    color: var(--cz-text);
    font-weight: 800;
    line-height: 1.25;
}

.calczero-section-heading h2,
.calczero-section-heading h3 {
    font-size: 1.875rem;
}

.calczero-category-card .calczero-list-card-link {
    padding: 1.5rem;
}

.calczero-category-card h3,
.calczero-list-card-body h2,
.calczero-list-card-body h3 {
    font-size: 1.375rem;
}

.calczero-richtext {
    color: #4b5563;
    line-height: 1.8;
}

.calczero-richtext > :first-child {
    margin-top: 0;
}

.calczero-richtext h2,
.calczero-richtext h3,
.calczero-richtext h4 {
    color: var(--cz-body);
    font-weight: 700;
    line-height: 1.35;
}

.calczero-richtext h2 {
    margin: 2rem 0 0.875rem;
    font-size: 1.5rem;
}

.calczero-richtext h3 {
    margin: 1.5rem 0 0.75rem;
    font-size: 1.2rem;
}

.calczero-richtext p,
.calczero-richtext ul,
.calczero-richtext ol,
.calczero-richtext table,
.calczero-richtext .wp-block-table {
    margin: 0 0 1rem;
}

.calczero-richtext ul,
.calczero-richtext ol {
    padding-left: 1.5rem;
}

.calczero-richtext li {
    margin-bottom: 0.5rem;
}

.calczero-media-card {
    padding: 1rem;
}

.calczero-media-frame {
    overflow: hidden;
    border-radius: var(--cz-radius-md);
}

.calczero-media-frame img,
.calczero-list-card-media img {
    display: block;
    width: 100%;
    height: auto;
}

.calczero-card-grid,
.calczero-related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.calczero-list-card,
.calczero-related-card {
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.calczero-list-card:hover,
.calczero-list-card:focus-within,
.calczero-related-card:hover,
.calczero-related-card:focus-within {
    transform: translateY(-2px);
    box-shadow: var(--cz-shadow-md);
    border-color: #d1d5db;
}

.calczero-list-card-link,
.calczero-related-card-link {
    display: block;
    height: 100%;
    color: inherit;
    text-decoration: none;
}

.calczero-list-card-body,
.calczero-related-card-link {
    padding: 1.5rem;
}

.calczero-list-card-media {
    background: var(--cz-surface-softest);
}

.calczero-list-card-media img {
    aspect-ratio: 16 / 10;
    object-fit: cover;
}

.calczero-empty-state {
    padding: 1.5rem;
}

.calczero-pagination .nav-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
}

.calczero-pagination a,
.calczero-pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 42px;
    min-height: 42px;
    padding: 0.5rem 0.875rem;
    border: 1px solid var(--cz-border);
    border-radius: var(--cz-radius-sm);
    background: #ffffff;
    color: var(--cz-body);
    text-decoration: none;
}

.calczero-pagination .current {
    background: var(--cz-accent-soft);
    border-color: #b7f7df;
    color: var(--cz-accent-strong);
}

.calczero-page-shell .info-box,
.calczero-page-shell .calczero-info-box {
    padding: 1rem 1.25rem;
    margin: 1.25rem 0;
    border-left: 4px solid #3b82f6;
    border-radius: var(--cz-radius-sm);
    background: var(--cz-blue-soft);
    color: var(--cz-blue-text);
}

.calczero-page-shell .success-box,
.calczero-page-shell .calczero-success-box {
    padding: 1rem 1.25rem;
    margin: 1.25rem 0;
    border-left: 4px solid var(--cz-accent);
    border-radius: var(--cz-radius-sm);
    background: var(--cz-success-soft);
    color: var(--cz-success-text);
}

.calczero-page-shell .tip-box,
.calczero-page-shell .calczero-tip-box {
    padding: 1rem 1.25rem;
    margin: 1.25rem 0;
    border-left: 4px solid var(--cz-accent);
    border-radius: var(--cz-radius-sm);
    background: var(--cz-accent-soft);
    color: var(--cz-success-text);
}

.calczero-page-shell .comparison-table,
.calczero-page-shell .calczero-comparison-table,
.calczero-richtext table {
    width: 100%;
    border-collapse: collapse;
    border-spacing: 0;
    overflow: hidden;
    border: 1px solid var(--cz-border);
    border-radius: var(--cz-radius-md);
    background: #ffffff;
}

.calczero-page-shell .comparison-table thead,
.calczero-page-shell .calczero-comparison-table thead,
.calczero-richtext table thead {
    background: var(--cz-surface-softest);
}

.calczero-page-shell .comparison-table th,
.calczero-page-shell .comparison-table td,
.calczero-page-shell .calczero-comparison-table th,
.calczero-page-shell .calczero-comparison-table td,
.calczero-richtext table th,
.calczero-richtext table td {
    padding: 0.875rem 1rem;
    border-bottom: 1px solid var(--cz-border);
    text-align: left;
    vertical-align: top;
}

.calczero-page-shell .comparison-table tbody tr:last-child td,
.calczero-page-shell .calczero-comparison-table tbody tr:last-child td,
.calczero-richtext table tbody tr:last-child td {
    border-bottom: 0;
}

.calczero-page-shell .related-grid,
.calczero-page-shell .calczero-related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.calczero-page-shell .related-link,
.calczero-page-shell .calczero-related-card {
    background: #ffffff;
    border: 1px solid var(--cz-border);
    border-radius: var(--cz-radius-md);
    box-shadow: var(--cz-shadow-sm);
}

.calczero-page-shell .related-link {
    display: block;
    padding: 1.25rem;
    color: var(--cz-body);
    font-weight: 600;
    text-decoration: none;
}

@media (max-width: 900px) {
    .calczero-calculator.is-layout-calculator-buttons .calczero-form {
        grid-template-columns: 1fr;
    }

    .calczero-calculator.is-layout-calculator-buttons .calczero-fields,
    .calczero-calculator.is-layout-calculator-buttons .calczero-actions,
    .calczero-calculator.is-layout-calculator-buttons .calczero-message,
    .calczero-calculator.is-layout-calculator-buttons .calczero-keypad-shell {
        grid-column: auto;
        grid-row: auto;
    }
}

@media (max-width: 768px) {
    .calczero-page-shell {
        padding: 24px 0 40px;
    }

    .calczero-content-shell {
        padding: 0 1.5rem;
    }

    .calczero-page-hero h1,
    .calczero-title {
        font-size: 2rem;
    }

    .calczero-calculator-card,
    .calczero-content-section {
        padding: 1.5rem;
    }

    .calczero-fields,
    .calczero-card-grid,
    .calczero-related-grid,
    .calczero-results-grid {
        grid-template-columns: 1fr;
    }

    .calczero-actions {
        flex-direction: column;
    }

    .calczero-button,
    .calczero-button-secondary {
        width: 100%;
    }

    .calczero-section-heading h2,
    .calczero-section-heading h3 {
        font-size: 1.5rem;
    }

    .calczero-richtext table,
    .calczero-page-shell .comparison-table,
    .calczero-page-shell .calczero-comparison-table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }
}

@media (max-width: 480px) {
    .calczero-content-shell {
        padding: 0 1rem;
    }

    .calczero-page-intro,
    .calczero-description,
    .calczero-copy,
    .calczero-section-heading p,
    .calczero-list-card-body p,
    .calczero-category-card p,
    .calczero-related-card-link span,
    .calczero-empty-state p,
    .calczero-result-note,
    .calczero-keypad-help {
        font-size: 0.95rem;
    }

    .calczero-page-hero h1,
    .calczero-title {
        font-size: 1.8rem;
    }

    .calczero-result-value {
        font-size: 2.25rem;
    }
}