body[data-page="/calculations/area-of-figures/"] {
    --area-ink: #25362b;
    --area-muted: #738076;
    --area-border: var(--line, #e1e8df);
    --area-surface: var(--paper, #fff);
    --area-soft: var(--green-soft, #f3f8f1);
    --area-green: var(--green-dark, #28543d);
    --area-green-light: var(--green, #3e7853);
    --area-shadow: 0 16px 44px rgb(30 46 34 / 7%);
    margin: 0;
    background: var(--canvas, #f3f5f0);
    color: var(--area-ink);
    font-family: Inter, "Segoe UI", Arial, sans-serif;
}

body[data-page="/calculations/area-of-figures/"] .area-shell {
    width: min(1380px, calc(100% - clamp(24px, 3vw, 48px)));
    margin: 28px auto 36px;
}

body[data-page="/calculations/area-of-figures/"] .area-header {
    display: flex;
    min-height: 45px;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 26px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--area-border);
}

body[data-page="/calculations/area-of-figures/"] .math-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--area-ink);
    font-weight: 800;
    text-decoration: none;
}

body[data-page="/calculations/area-of-figures/"] .area-brand-accent { color: var(--area-green-light); }
body[data-page="/calculations/area-of-figures/"] .area-header > p { margin: 0; color: var(--area-muted); font-size: 10px; font-weight: 800; letter-spacing: .13em; }
body[data-page="/calculations/area-of-figures/"] .area-hero { max-width: 940px; margin: 0 0 22px; }
body[data-page="/calculations/area-of-figures/"] .math-eyebrow { margin: 0 0 9px; color: var(--area-green-light); font-size: 10px; font-weight: 800; letter-spacing: .13em; }
body[data-page="/calculations/area-of-figures/"] .area-hero h1 { max-width: 900px; margin: 0 0 13px; color: var(--area-ink); font-size: clamp(30px, 5vw, 48px); line-height: 1.08; letter-spacing: -.035em; }
body[data-page="/calculations/area-of-figures/"] .math-intro { max-width: 850px; margin: 0; color: #5f6e62; font-size: 15px; line-height: 1.7; }
body[data-page="/calculations/area-of-figures/"] .math-seo-copy { max-width: 900px; margin: 8px 0 0; color: #778378; font-size: 13px; line-height: 1.65; }

body[data-page="/calculations/area-of-figures/"] .tool-breadcrumbs { display: block; width: 100%; margin: 0 0 14px; color: #68756b; font-size: 12px; line-height: 1.5; }
body[data-page="/calculations/area-of-figures/"] .tool-breadcrumbs ol { display: flex; flex-wrap: wrap; align-items: center; gap: .35rem; margin: 0; padding: 0; list-style: none; }
body[data-page="/calculations/area-of-figures/"] .tool-breadcrumbs li { display: inline-flex; align-items: center; }
body[data-page="/calculations/area-of-figures/"] .tool-breadcrumbs li + li::before { content: "/"; margin-right: .35rem; color: #9aa59b; }
body[data-page="/calculations/area-of-figures/"] .tool-breadcrumbs a { display: inline-flex; min-height: 31px; align-items: center; padding: .28rem .78rem; border: 1px solid var(--green-border, #b9cfb8); border-radius: 999px; background: var(--green-pale, #eaf2e9); color: var(--area-green); font-weight: 750; text-decoration: none; }
body[data-page="/calculations/area-of-figures/"] .math-actions { display: flex; min-width: 0; align-items: center; flex-wrap: wrap; gap: 9px; margin-top: 18px; }
body[data-page="/calculations/area-of-figures/"] .math-button,
body[data-page="/calculations/area-of-figures/"] .math-tab,
body[data-page="/calculations/area-of-figures/"] .math-copy,
body[data-page="/calculations/area-of-figures/"] .math-dialog-close { font: inherit; }
body[data-page="/calculations/area-of-figures/"] .math-button { min-height: 39px; padding: 9px 15px; border: 1px solid transparent; border-radius: 8px; cursor: pointer; font-size: 12px; font-weight: 750; }
body[data-page="/calculations/area-of-figures/"] .math-button--secondary { border-color: var(--green-border, #b9cfb8); background: var(--area-surface); color: var(--area-green); }
body[data-page="/calculations/area-of-figures/"] .math-button--primary,
body[data-page="/calculations/area-of-figures/"] .math-button--calculate { background: var(--area-green); color: #fff; }
body[data-page="/calculations/area-of-figures/"] .math-button--primary:hover,
body[data-page="/calculations/area-of-figures/"] .math-button--calculate:hover { background: var(--green-hover, #2c6145); }
body[data-page="/calculations/area-of-figures/"] .math-button:disabled { cursor: not-allowed; opacity: .48; }
body[data-page="/calculations/area-of-figures/"] :is(.math-button, .math-tab, .math-copy, .math-dialog-close, .area-history-item, .area-chart-point):focus-visible { outline: 3px solid rgb(var(--green-rgb, 54 114 81) / 35%); outline-offset: 2px; }
body[data-page="/calculations/area-of-figures/"] .area-mode-note { color: var(--area-muted); font-size: 11px; line-height: 1.45; }

body[data-page="/calculations/area-of-figures/"] .math-card { min-width: 0; margin-top: 18px; padding: clamp(18px, 3vw, 27px); border: 1px solid var(--area-border); border-radius: 16px; background: var(--area-surface); box-shadow: var(--area-shadow); }
body[data-page="/calculations/area-of-figures/"] .area-card { margin-top: 0; }
body[data-page="/calculations/area-of-figures/"] .math-card-topline { display: flex; justify-content: space-between; gap: 14px; margin-bottom: 14px; color: #879187; font-size: 9px; font-weight: 800; letter-spacing: .11em; }
body[data-page="/calculations/area-of-figures/"] .math-card h2 { margin: 0 0 19px; color: var(--area-ink); font-size: 21px; }
body[data-page="/calculations/area-of-figures/"] .area-select-row { display: grid; grid-template-columns: minmax(210px, 1.1fr) minmax(210px, 1fr) minmax(190px, .8fr); align-items: end; gap: 14px; margin-bottom: 18px; }
body[data-page="/calculations/area-of-figures/"] .math-tabs { display: flex; gap: 7px; margin: 0; padding: 4px; border: 1px solid var(--area-border); border-radius: 10px; background: var(--area-soft); }
body[data-page="/calculations/area-of-figures/"] .math-tab { min-height: 40px; flex: 1 1 0; padding: 8px 12px; border: 0; border-radius: 7px; background: transparent; color: #637166; cursor: pointer; font-size: 12px; font-weight: 750; }
body[data-page="/calculations/area-of-figures/"] .math-tab.is-active { background: var(--area-surface); color: var(--area-green); box-shadow: 0 1px 5px rgb(32 47 35 / 12%); }
body[data-page="/calculations/area-of-figures/"] .math-field { display: grid; min-width: 0; gap: 7px; color: #425348; font-size: 11px; font-weight: 750; }
body[data-page="/calculations/area-of-figures/"] .math-field input,
body[data-page="/calculations/area-of-figures/"] .math-field select { box-sizing: border-box; width: 100%; min-width: 0; min-height: 43px; padding: 10px 12px; border: 1px solid var(--area-border); border-radius: 8px; outline: 0; background: var(--area-surface); color: var(--area-ink); font: 500 14px/1.35 Inter, "Segoe UI", Arial, sans-serif; }
body[data-page="/calculations/area-of-figures/"] .math-field :is(input, select):focus { border-color: var(--area-green-light); box-shadow: 0 0 0 3px rgb(var(--green-rgb, 54 114 81) / 12%); }
body[data-page="/calculations/area-of-figures/"] .area-work-layout { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(280px, .95fr); gap: 18px; }
body[data-page="/calculations/area-of-figures/"] .area-input-panel,
body[data-page="/calculations/area-of-figures/"] .area-preview-panel,
body[data-page="/calculations/area-of-figures/"] .area-results,
body[data-page="/calculations/area-of-figures/"] .area-export,
body[data-page="/calculations/area-of-figures/"] .area-history,
body[data-page="/calculations/area-of-figures/"] .area-cost-panel { min-width: 0; padding: 17px; border: 1px solid var(--area-border); border-radius: 12px; background: var(--area-soft); }
body[data-page="/calculations/area-of-figures/"] .area-subheading { display: flex; min-width: 0; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 12px; }
body[data-page="/calculations/area-of-figures/"] .area-subheading h3 { margin: 0; color: var(--area-ink); font-size: 14px; }
body[data-page="/calculations/area-of-figures/"] .area-subheading > span { color: var(--area-muted); font-size: 10px; line-height: 1.4; text-align: right; }
body[data-page="/calculations/area-of-figures/"] .area-dimension-hint { margin: 0 0 13px; color: var(--area-muted); font-size: 11px; line-height: 1.55; }
body[data-page="/calculations/area-of-figures/"] .area-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: end; gap: 12px; }
body[data-page="/calculations/area-of-figures/"] .area-field { display: grid; min-width: 0; gap: 6px; color: #425348; font-size: 11px; font-weight: 750; }
body[data-page="/calculations/area-of-figures/"] .area-field input { box-sizing: border-box; width: 100%; min-width: 0; min-height: 41px; padding: 9px 11px; border: 1px solid var(--area-border); border-radius: 8px; background: var(--area-surface); color: var(--area-ink); font: 500 14px/1.35 Inter, "Segoe UI", Arial, sans-serif; font-variant-numeric: tabular-nums; }
body[data-page="/calculations/area-of-figures/"] .area-field input:focus { border-color: var(--area-green-light); outline: 0; box-shadow: 0 0 0 3px rgb(var(--green-rgb, 54 114 81) / 12%); }
body[data-page="/calculations/area-of-figures/"] .area-form-actions,
body[data-page="/calculations/area-of-figures/"] .area-export-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
body[data-page="/calculations/area-of-figures/"] .math-button--calculate { flex: 1 1 145px; }
body[data-page="/calculations/area-of-figures/"] .area-status { min-height: 18px; margin: 11px 0 0; color: var(--area-muted); font-size: 11px; line-height: 1.5; }
body[data-page="/calculations/area-of-figures/"] .area-status.is-error { color: #a3342d; }
body[data-page="/calculations/area-of-figures/"] .area-error-inline:not([hidden]) { margin: 10px 0 0; padding: 11px 13px; border: 1px solid #e3b9b6; border-radius: 9px; background: #fff4f3; color: #8e302b; font-size: 12px; line-height: 1.5; }
body[data-page="/calculations/area-of-figures/"] .area-shape-svg { display: block; width: 100%; min-height: 190px; max-height: 250px; overflow: visible; }
body[data-page="/calculations/area-of-figures/"] .area-shape-fill { fill: var(--green-pale, #eaf2e9); stroke: var(--area-green); stroke-width: 3; stroke-linejoin: round; }
body[data-page="/calculations/area-of-figures/"] .area-shape-line { fill: none; stroke: var(--area-green-light); stroke-width: 2; }
body[data-page="/calculations/area-of-figures/"] .area-shape-line--dashed { stroke-dasharray: 6 5; }
body[data-page="/calculations/area-of-figures/"] .area-shape-label { fill: var(--area-green); font: 700 13px Inter, "Segoe UI", Arial, sans-serif; text-anchor: middle; }
body[data-page="/calculations/area-of-figures/"] .area-results,
body[data-page="/calculations/area-of-figures/"] .area-export,
body[data-page="/calculations/area-of-figures/"] .area-history,
body[data-page="/calculations/area-of-figures/"] .area-cost-panel { margin-top: 16px; }
body[data-page="/calculations/area-of-figures/"] .area-result-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 9px; }
body[data-page="/calculations/area-of-figures/"] .area-result-metric { display: grid; min-width: 0; gap: 7px; padding: 12px 14px; border: 1px solid var(--area-border); border-radius: 9px; background: var(--area-surface); }
body[data-page="/calculations/area-of-figures/"] .area-result-metric span { color: var(--area-muted); font-size: 10px; }
body[data-page="/calculations/area-of-figures/"] .area-result-metric strong { color: var(--area-green); font-size: 20px; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
body[data-page="/calculations/area-of-figures/"] .area-result-metric--primary { border-color: var(--green-border, #b9cfb8); background: var(--area-surface); }
body[data-page="/calculations/area-of-figures/"] .area-result-metric--primary strong { font-size: clamp(24px, 3vw, 32px); }
body[data-page="/calculations/area-of-figures/"] .math-copy { min-height: 30px; padding: 5px 8px; border: 0; background: transparent; color: var(--area-green); cursor: pointer; font-size: 11px; }
body[data-page="/calculations/area-of-figures/"] .math-copy:disabled { cursor: default; opacity: .45; }
body[data-page="/calculations/area-of-figures/"] .area-formula-card { display: grid; grid-template-columns: minmax(0, 1fr) minmax(200px, .8fr); gap: 14px; margin-top: 12px; padding: 14px; border: 1px solid var(--area-border); border-radius: 9px; background: var(--area-surface); }
body[data-page="/calculations/area-of-figures/"] .area-formula-label { color: var(--area-muted); font-size: 10px; font-weight: 750; }
body[data-page="/calculations/area-of-figures/"] .area-formula-plain { margin: 7px 0 0; color: var(--area-green); font-size: 18px; font-weight: 800; }
body[data-page="/calculations/area-of-figures/"] .area-formula-substitution { margin: 5px 0 0; color: var(--area-muted); font-size: 12px; overflow-wrap: anywhere; }
body[data-page="/calculations/area-of-figures/"] .area-latex-row { min-width: 0; }
body[data-page="/calculations/area-of-figures/"] .area-latex-row code { display: block; margin-top: 7px; overflow-wrap: anywhere; color: var(--area-ink); font: 12px/1.5 ui-monospace, Consolas, monospace; }
body[data-page="/calculations/area-of-figures/"] .area-formula-note { grid-column: 1 / -1; margin: 0; color: var(--area-muted); font-size: 10px; }
body[data-page="/calculations/area-of-figures/"] .area-history-note { margin: 5px 0 0; color: var(--area-muted); font-size: 10px; }
body[data-page="/calculations/area-of-figures/"] .area-history-empty { margin: 8px 0 0; color: var(--area-muted); font-size: 12px; }
body[data-page="/calculations/area-of-figures/"] .area-history-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 8px; margin: 0; padding: 0; list-style: none; }
body[data-page="/calculations/area-of-figures/"] .area-history-item { display: grid; width: 100%; min-width: 0; gap: 5px; padding: 11px; border: 1px solid var(--area-border); border-radius: 8px; background: var(--area-surface); color: var(--area-ink); text-align: left; cursor: pointer; }
body[data-page="/calculations/area-of-figures/"] .area-history-name { overflow-wrap: anywhere; font-size: 11px; font-weight: 750; }
body[data-page="/calculations/area-of-figures/"] .area-history-item strong { color: var(--area-green); font-size: 14px; font-variant-numeric: tabular-nums; }
body[data-page="/calculations/area-of-figures/"] .area-history-item small { color: var(--area-muted); font-size: 10px; }
body[data-page="/calculations/area-of-figures/"] .area-cost-toolbar { display: flex; align-items: end; gap: 12px; }
body[data-page="/calculations/area-of-figures/"] .area-cost-toolbar .math-field { width: min(100%, 310px); }
body[data-page="/calculations/area-of-figures/"] .area-cost-note { margin: 9px 0 0; color: var(--area-muted); font-size: 11px; line-height: 1.5; }
body[data-page="/calculations/area-of-figures/"] .area-cost-chart { display: block; width: 100%; margin-top: 12px; border-radius: 9px; background: #17221b; }
body[data-page="/calculations/area-of-figures/"] .area-cost-panel[hidden],
body[data-page="/calculations/area-of-figures/"] .area-cost-chart.is-hidden { display: none !important; }
body[data-page="/calculations/area-of-figures/"] .area-chart-grid { stroke: #3e5144; stroke-width: 1; }
body[data-page="/calculations/area-of-figures/"] .area-chart-axis { stroke: #8d9c90; stroke-width: 1.5; }
body[data-page="/calculations/area-of-figures/"] .area-chart-line { fill: none; stroke: var(--green-bright, #72a77a); stroke-width: 4; stroke-linecap: round; stroke-linejoin: round; }
body[data-page="/calculations/area-of-figures/"] .area-chart-point { fill: #f2f7f1; stroke: var(--green-bright, #72a77a); stroke-width: 3; cursor: pointer; }
body[data-page="/calculations/area-of-figures/"] .area-chart-label { fill: #e3ece4; font: 12px Inter, "Segoe UI", Arial, sans-serif; }
body[data-page="/calculations/area-of-figures/"] .area-chart-readout { min-height: 18px; margin: 9px 0 0; color: var(--area-green); font-size: 12px; font-weight: 700; }
body[data-page="/calculations/area-of-figures/"] .math-footer { display: flex; justify-content: space-between; gap: 20px; padding: 15px 2px; color: #879187; font-size: 10px; }
body[data-page="/calculations/area-of-figures/"] .math-dialog { width: min(570px, calc(100% - 32px)); max-height: min(80vh, 700px); padding: 22px; border: 1px solid var(--area-border); border-radius: 15px; background: var(--area-surface); color: var(--area-ink); box-shadow: 0 24px 90px rgb(18 32 23 / 28%); }
body[data-page="/calculations/area-of-figures/"] .math-dialog::backdrop { background: rgb(20 31 23 / 48%); backdrop-filter: blur(2px); }
body[data-page="/calculations/area-of-figures/"] .math-dialog-header { display: flex; justify-content: space-between; align-items: start; gap: 12px; padding-bottom: 13px; border-bottom: 1px solid var(--area-border); }
body[data-page="/calculations/area-of-figures/"] .math-dialog-header p { margin: 2px 0 6px; color: var(--area-green-light); font-size: 9px; font-weight: 800; letter-spacing: .11em; }
body[data-page="/calculations/area-of-figures/"] .math-dialog-header h2 { margin: 0; font-size: 20px; }
body[data-page="/calculations/area-of-figures/"] .math-dialog-close { display: grid; width: 34px; height: 34px; flex: 0 0 34px; place-items: center; border: 1px solid var(--area-border); border-radius: 8px; background: var(--area-soft); color: var(--area-ink); cursor: pointer; font-size: 22px; line-height: 1; }
body[data-page="/calculations/area-of-figures/"] .math-dialog-body { max-height: 60vh; overflow: auto; padding-top: 12px; }
body[data-page="/calculations/area-of-figures/"] .math-dialog-body h3 { margin: 13px 0 5px; color: var(--area-green); font-size: 14px; }
body[data-page="/calculations/area-of-figures/"] .math-dialog-body p,
body[data-page="/calculations/area-of-figures/"] .math-error-message { margin: 0 0 10px; color: var(--area-muted); font-size: 12px; line-height: 1.65; }
body[data-page="/calculations/area-of-figures/"] .math-dialog--error { width: min(450px, calc(100% - 32px)); border-color: #e3b9b6; }
body[data-page="/calculations/area-of-figures/"] .math-error-message { margin-top: 16px; color: #8e302b; }

@media (max-width: 780px) {
    body[data-page="/calculations/area-of-figures/"] .area-select-row { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
    body[data-page="/calculations/area-of-figures/"] .area-dimension-tabs { grid-column: 1 / -1; }
    body[data-page="/calculations/area-of-figures/"] .area-work-layout { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 520px) {
    body[data-page="/calculations/area-of-figures/"] .area-shell { width: calc(100% - 24px); margin-top: 17px; }
    body[data-page="/calculations/area-of-figures/"] .area-header { align-items: flex-start; }
    body[data-page="/calculations/area-of-figures/"] .area-header > p { max-width: 130px; text-align: right; line-height: 1.4; }
    body[data-page="/calculations/area-of-figures/"] .area-select-row { grid-template-columns: minmax(0, 1fr); }
    body[data-page="/calculations/area-of-figures/"] .area-dimension-tabs { grid-column: auto; }
    body[data-page="/calculations/area-of-figures/"] .area-fields { grid-template-columns: minmax(0, 1fr); }
    body[data-page="/calculations/area-of-figures/"] .area-formula-card { grid-template-columns: minmax(0, 1fr); }
    body[data-page="/calculations/area-of-figures/"] .area-formula-note { grid-column: auto; }
    body[data-page="/calculations/area-of-figures/"] .area-cost-toolbar { align-items: stretch; flex-direction: column; }
    body[data-page="/calculations/area-of-figures/"] .area-cost-toolbar .math-field { width: 100%; }
    body[data-page="/calculations/area-of-figures/"] .math-footer { flex-direction: column; gap: 5px; }
}

@media (prefers-reduced-motion: reduce) {
    body[data-page="/calculations/area-of-figures/"] *,
    body[data-page="/calculations/area-of-figures/"] *::before,
    body[data-page="/calculations/area-of-figures/"] *::after { scroll-behavior: auto; transition-duration: .01ms; }
}