/**
 * Общая оболочка страниц инструментов (калькуляторы, QR, invoice): хлебные крошки и контент.
 */
.tool-page-breadcrumb-bar {
    max-width: 56rem;
    margin: 0 auto;
    padding: 0 1rem 0.75rem;
    box-sizing: border-box;
}

.tool-page-breadcrumb-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 0.75rem;
    font-size: 0.875rem;
    line-height: 1.35;
    color: var(--color-text-secondary, rgba(255, 255, 255, 0.65));
}

.tool-page-back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.65rem;
    margin: 0 -0.65rem;
    border-radius: 999px;
    font-weight: 500;
    color: var(--color-text-primary, #fafafa);
    text-decoration: none;
    transition: background 0.15s ease, color 0.15s ease;
}

.tool-page-back-link:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--color-text-primary, #fff);
}

html.light-theme .tool-page-back-link:hover,
body.light-theme .tool-page-back-link:hover {
    background: rgba(0, 0, 0, 0.06);
}

.tool-page-bc-sep {
    opacity: 0.45;
    user-select: none;
}

.tool-page-bc-current {
    color: var(--color-text-tertiary, rgba(255, 255, 255, 0.5));
    max-width: min(100%, 42rem);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tool-page-hero {
    max-width: 56rem;
    margin: 0 auto;
    padding: 1.5rem 1rem 1rem;
    text-align: center;
    box-sizing: border-box;
}

.tool-page-eyebrow {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(59, 130, 246, 0.12);
    color: #3b82f6;
    margin-bottom: 0.75rem;
}

.tool-page-hero-title {
    font-family: 'Instrument Serif', Georgia, 'Times New Roman', serif;
    font-weight: 400;
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    letter-spacing: -0.02em;
    line-height: 1.15;
    margin: 0 0 0.75rem;
    color: var(--color-text-primary, #fafafa);
}

.tool-page-hero-desc {
    margin: 0 auto;
    max-width: 36rem;
    font-size: 0.9375rem;
    color: var(--color-text-secondary, rgba(255, 255, 255, 0.65));
}

.tool-page-calculator-host {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 1rem 3rem;
    box-sizing: border-box;
}