.public-calc-page,
.public-calc-page *,
.public-calc-page *::before,
.public-calc-page *::after {
    box-sizing: border-box;
}

.public-calc-page {
    --color-primary: #1d4ed8;
    --color-primary-hover: #1e40af;
    --color-primary-light: #dbeafe;
    --color-bg: #f1f5f9;
    --color-surface: #fff;
    --color-border: #e2e8f0;
    --color-border-dark: #cbd5e1;
    --color-text: #1e293b;
    --color-text-muted: #475569;
    --color-text-light: #64748b;
    --color-success: #047857;
    --color-success-bg: #d1fae5;
    --color-warning: #b45309;
    --color-warning-bg: #fef3c7;
    --color-danger: #dc2626;
    --color-danger-bg: #fee2e2;
    --radius-sm: 6px;
    --radius: 10px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
    --transition: 0.18s ease;
    --font-base: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #f8fafc;
    color: #0f172a;
    font-family: var(--font-base);
    font-size: 14px;
    line-height: 1.5;
    margin: 0;
    min-height: 100vh;
}

.public-calc-page a {
    color: #1d4ed8;
}

.public-calc-page h1,
.public-calc-page h2,
.public-calc-page h3,
.public-calc-page p,
.public-calc-page ol,
.public-calc-page ul {
    margin-top: 0;
}

.public-calc-page button,
.public-calc-page input,
.public-calc-page select,
.public-calc-page textarea {
    font: inherit;
}

.public-calc-page .btn {
    align-items: center;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: inline-flex;
    font-size: 13.5px;
    font-weight: 600;
    gap: 6px;
    justify-content: center;
    line-height: 1.4;
    padding: 8px 16px;
    text-decoration: none;
    transition: background var(--transition), border-color var(--transition), color var(--transition);
    white-space: nowrap;
}

.public-calc-page .btn-primary {
    background: #1d4ed8;
    border-color: #1d4ed8;
    color: #fff;
    font-weight: 700;
}

.public-calc-page .btn-primary:visited {
    background: #1d4ed8;
    border-color: #1d4ed8;
    color: #fff;
}

.public-calc-page .btn-primary:hover,
.public-calc-page .btn-primary:focus {
    background: #1e40af;
    border-color: #1e40af;
    color: #fff;
}

.public-calc-page .btn-primary:focus-visible,
.public-calc-page .btn-ghost:focus-visible,
.public-calc-page button:focus-visible,
.public-calc-page a:focus-visible {
    outline: 3px solid #f59e0b;
    outline-offset: 3px;
}

.public-calc-page .btn-ghost {
    background: transparent;
    border-color: var(--color-border);
    color: var(--color-text);
}

.public-calc-page .btn-ghost:hover,
.public-calc-page .btn-ghost:focus {
    background: var(--color-bg);
    color: var(--color-text);
}

.public-calc-page .btn-sm {
    font-size: 12.5px;
    padding: 5px 12px;
}

.public-calc-page .hidden {
    display: none !important;
}

.public-calc-page .editor-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    margin-bottom: 16px;
    padding: 20px;
}

.public-calc-page .editor-card h3 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 16px;
}

.public-calc-page .card-head-row {
    align-items: center;
    display: flex;
    justify-content: space-between;
    margin-bottom: 14px;
}

.public-calc-page .card-head-row h3 {
    margin: 0;
}

.public-calc-page .card-head-actions {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: flex-end;
}

.public-calc-page .form-control {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font: inherit;
    padding: 8px 11px;
    width: 100%;
}

.public-calc-page .form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.12);
    outline: none;
}

.public-calc-page .modal-overlay {
    background: rgba(15, 23, 42, 0.55);
    inset: 0;
    position: fixed;
    z-index: 400;
}

.public-calc-page .modal-overlay.hidden,
.public-calc-page .modal.hidden {
    display: none;
}

.public-calc-page .modal {
    align-items: center;
    display: flex;
    inset: 0;
    justify-content: center;
    padding: 16px;
    position: fixed;
    z-index: 500;
}

.public-calc-page .modal-box {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    max-width: 520px;
    width: 100%;
}

.public-calc-page .modal-box--lg {
    max-width: 780px;
}

.public-calc-page .modal-box--xl {
    max-width: 960px;
}

.public-calc-page .modal-head {
    align-items: center;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    flex-shrink: 0;
    justify-content: space-between;
    padding: 18px 20px 14px;
}

.public-calc-page .modal-head h3,
.public-calc-page .modal-head h2 {
    font-size: 16px;
    font-weight: 700;
    margin: 0;
}

.public-calc-page .modal-close {
    background: none;
    border: 0;
    border-radius: 4px;
    color: var(--color-text-muted);
    cursor: pointer;
    font-size: 22px;
    line-height: 1;
    padding: 2px 4px;
}

.public-calc-page .modal-close:hover,
.public-calc-page .modal-close:focus {
    background: var(--color-bg);
    color: var(--color-text);
}

.public-calc-page .modal-body {
    display: flex;
    flex-direction: column;
    gap: 14px;
    max-height: calc(90vh - 120px);
    overflow-y: auto;
    padding: 20px;
}

.public-calc-page .modal-foot {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    display: flex;
    flex-shrink: 0;
    gap: 10px;
    justify-content: flex-end;
    padding: 14px 20px;
}

.toast-container {
    bottom: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    position: fixed;
    right: 24px;
    z-index: 9999;
}

.toast {
    align-items: center;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    display: flex;
    font-size: 13.5px;
    font-weight: 600;
    gap: 10px;
    max-width: 340px;
    padding: 12px 16px;
}

.toast-success {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    color: #166534;
}

.toast-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
}

.toast-info {
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    color: #1e40af;
}

.toast-close {
    background: none;
    border: 0;
    color: currentColor;
    cursor: pointer;
    font-size: 16px;
    margin-left: auto;
    opacity: 0.75;
}

.public-calc-nav {
    background: rgba(255, 255, 255, 0.94);
    border-bottom: 1px solid #e2e8f0;
    position: sticky;
    top: 0;
    z-index: 20;
}

.public-calc-wrap {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 18px;
}

.public-calc-nav .public-calc-wrap,
.public-calc-nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.public-calc-nav .public-calc-wrap {
    justify-content: space-between;
    min-height: 68px;
}

.public-calc-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #111827;
    font-weight: 800;
    text-decoration: none;
}

.public-calc-brand img {
    width: 152px;
    height: auto;
    display: block;
}

.public-calc-hero {
    padding: 58px 0 30px;
}

.public-calc-eyebrow {
    color: #2563eb;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.public-calc-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
    gap: 42px;
    align-items: start;
}

.public-calc-hero h1 {
    font-size: clamp(2.2rem, 5vw, 4.8rem);
    line-height: 0.95;
    margin: 0 0 16px;
    letter-spacing: 0;
}

.public-calc-lede {
    color: #475569;
    font-size: 1.08rem;
    line-height: 1.7;
    max-width: 760px;
}

.public-calc-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 22px;
}

.public-calc-panel {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 18px;
    box-shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
    padding: 22px;
}

.public-calc-panel h2,
.public-calc-section h2 {
    margin: 0 0 12px;
    font-size: 1.25rem;
}

.public-calc-steps {
    margin: 0;
    padding-left: 20px;
    color: #334155;
    line-height: 1.7;
}

.public-calc-cta {
    background: #0f172a;
    border-radius: 16px;
    color: #fff;
    display: grid;
    gap: 12px;
    grid-template-columns: minmax(0, 1fr) auto;
    margin: 28px auto;
    padding: 22px;
}

.public-calc-cta p {
    color: #cbd5e1;
    margin: 4px 0 0;
}

.public-calc-shell {
    margin: 24px auto;
}

.public-calc-shell .editor-card {
    margin: 0;
    width: 100%;
}

.public-calc-mini-label {
    color: #64748b;
    display: block;
    font-size: 12px;
    margin: 8px 0 4px;
}

.public-calc-modal-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(130px, 180px);
    gap: 10px;
    margin-bottom: 10px;
}

.public-calc-selected {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    color: #334155;
    font-size: 12px;
    margin-bottom: 10px;
    padding: 9px 10px;
}

.public-calc-section {
    padding: 30px 0;
}

.public-calc-section-heading {
    max-width: 820px;
    margin-bottom: 18px;
}

.public-calc-section-heading span {
    color: #2563eb;
    display: block;
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    margin-bottom: 8px;
    text-transform: uppercase;
}

.public-calc-guide-grid {
    display: grid;
    gap: 14px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.public-calc-guide-grid article,
.public-calc-safety-box {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    padding: 18px;
}

.public-calc-guide-grid h3,
.public-calc-safety-box h3 {
    font-size: 1rem;
    margin: 0 0 8px;
}

.public-calc-safety-box {
    margin-top: 14px;
}

.public-calc-batch-box {
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    border-radius: 14px;
    margin-top: 14px;
    padding: 18px;
}

.public-calc-batch-box h3 {
    font-size: 1rem;
    margin: 0 0 12px;
}

.public-calc-batch-grid {
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.public-calc-batch-grid article {
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(191, 219, 254, 0.9);
    border-radius: 12px;
    padding: 13px;
}

.public-calc-batch-grid strong {
    color: #1e3a8a;
    display: block;
    margin-bottom: 6px;
}

.public-calc-safety-box ul {
    color: #334155;
    line-height: 1.7;
    margin: 0 0 12px;
    padding-left: 20px;
}

.public-calc-faq {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.public-calc-faq article {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    padding: 18px;
}

.public-calc-faq h3 {
    font-size: 1rem;
    margin: 0 0 8px;
}

.public-calc-guide-grid p,
.public-calc-faq p,
.public-calc-section p {
    color: #475569;
    line-height: 1.7;
    margin: 0;
}

.public-calc-footer {
    border-top: 1px solid #e2e8f0;
    color: #64748b;
    padding: 26px 0;
}

@media (max-width: 820px) {
    .public-calc-hero-grid,
    .public-calc-cta,
    .public-calc-guide-grid,
    .public-calc-batch-grid,
    .public-calc-faq {
        grid-template-columns: 1fr;
    }

    .public-calc-nav-actions {
        display: none;
    }

    .public-calc-modal-grid {
        grid-template-columns: 1fr;
    }

    .public-calc-page .card-head-row {
        align-items: flex-start;
        gap: 10px;
    }

    .public-calc-page .modal {
        align-items: flex-end;
        padding: 10px;
    }

    .public-calc-page .modal-box,
    .public-calc-page .modal-box--lg,
    .public-calc-page .modal-box--xl {
        max-height: calc(100vh - 20px);
        max-width: 100%;
    }
}

@media print {
    .public-calc-nav,
    .public-calc-hero,
    .public-calc-cta,
    .public-calc-section,
    .public-calc-footer {
        display: none;
    }

    .public-calc-page {
        background: #fff;
    }
}