:where(body[data-page="/calculations/expression-parser/"]) {
    --expr-ink: #25362b;
    --expr-muted: #738076;
    --expr-border: var(--line, #e1e8df);
    --expr-surface: var(--paper, #fff);
    --expr-soft: var(--green-soft, #f3f8f1);
    --expr-accent: var(--green-dark, #28543d);
    --expr-accent-2: var(--green, #3e7853);
    --expr-accent-hover: var(--green-hover, #2c6145);
    --expr-accent-pale: var(--green-pale, #eaf2e9);
    --expr-accent-border: var(--green-border, #b9cfb8);
    --expr-accent-rgb: var(--green-rgb, 54 114 81);
    color-scheme: light;
    margin: 0;
    background: var(--canvas, #f3f5f0);
    color: var(--expr-ink);
    font-family: "Segoe UI", Arial, sans-serif;
}

:where(body[data-page="/calculations/expression-parser/"]) .expression-shell { width: min(1060px, calc(100% - 40px)); margin: 0 auto 36px; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-header { display: flex; align-items: center; flex-wrap: wrap; gap: 0 24px; min-height: 72px; margin: 0; padding: 9px 0 8px; border-bottom: 1px solid var(--line, #e4e8df); }
:where(body[data-page="/calculations/expression-parser/"]) .expression-brand { display: inline-flex; align-items: center; gap: 10px; color: #20251f; font-size: 16.333px; font-weight: 800; letter-spacing: -.6px; text-decoration: none; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-brand-accent { color: var(--expr-accent-2); }
:where(body[data-page="/calculations/expression-parser/"]) .expression-brand .brand-mark { display: flex; width: 21px; height: 21px; align-items: end; gap: 2px; padding: 4px; border-radius: 7px; background: var(--expr-accent-2); box-sizing: border-box; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-brand .brand-mark i { width: 3px; border-radius: 2px; background: #fff; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-brand .brand-mark i:nth-child(1) { height: 6px; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-brand .brand-mark i:nth-child(2) { height: 11px; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-brand .brand-mark i:nth-child(3) { height: 8px; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-header-tagline { flex: 0 0 100%; order: 1; width: 100%; margin: 3px 0 0; color: #68756b; font-size: 11.333px; font-weight: 700; letter-spacing: .09em; line-height: 1.4; text-transform: uppercase; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-hero { margin: 0; padding: 48px 0 25px; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-eyebrow { margin: 0 0 9px; color: var(--expr-accent-2); font-size: 11.333px; font-weight: 700; letter-spacing: 1.3px; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-hero h1 { max-width: 1050px; margin: 12px 0; color: #20251f; font-size: clamp(39px, calc(5vw + 1.33px), 56.33px); line-height: 1.08; letter-spacing: -2.5px; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-intro { max-width: 720px; margin: 0; color: #737b72; font-size: 15.333px; line-height: 1.65; text-transform: none; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-seo-copy { max-width: 720px; margin: 9px 0 0; color: #737b72; font-size: 14.333px; line-height: 1.65; text-transform: none; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-intro.math-intro,
:where(body[data-page="/calculations/expression-parser/"]) .expression-seo-copy.math-seo-copy { text-transform: none; }
:where(body[data-page="/calculations/expression-parser/"]) .tool-breadcrumbs { display: block; width: 100%; margin: 12px 0 0; color: #68756b; font: inherit; font-size: .88333rem; line-height: 1.5; }
:where(body[data-page="/calculations/expression-parser/"]) .tool-breadcrumbs ol { display: flex; flex-wrap: wrap; align-items: center; gap: .35rem; margin: 0; padding: 0; list-style: none; }
:where(body[data-page="/calculations/expression-parser/"]) .tool-breadcrumbs ol > li { display: inline-flex; align-items: center; }
:where(body[data-page="/calculations/expression-parser/"]) .tool-breadcrumbs li + li::before { content: "/"; margin-right: .35rem; color: #9aa59b; }
:where(body[data-page="/calculations/expression-parser/"]) .tool-breadcrumbs ol a { display: inline-flex; min-height: 31px; align-items: center; padding: .28rem .78rem; border: 1px solid var(--expr-accent-border); border-radius: 999px; background: var(--expr-accent-pale); box-shadow: 0 1px 2px rgb(37 76 55 / 8%); color: var(--expr-accent); font-weight: 750; text-decoration: none; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 9px; margin-top: 13px; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-mode-note { color: #7b887d; font-size: 11px; line-height: 1.5; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-button,
:where(body[data-page="/calculations/expression-parser/"]) .expression-tab,
:where(body[data-page="/calculations/expression-parser/"]) .expression-key,
:where(body[data-page="/calculations/expression-parser/"]) .expression-copy,
:where(body[data-page="/calculations/expression-parser/"]) .expression-swap,
:where(body[data-page="/calculations/expression-parser/"]) .expression-dialog-close { font: inherit; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-button { display: inline-flex; min-height: 39px; align-items: center; justify-content: center; padding: 9px 15px; border: 1px solid transparent; border-radius: 8px; cursor: pointer; font-size: 12px; font-weight: 750; text-decoration: none; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-button--primary { background: var(--expr-accent); color: #fff; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-button--primary:hover { background: var(--expr-accent-hover); }
:where(body[data-page="/calculations/expression-parser/"]) .expression-button--secondary { border-color: var(--expr-accent-border); background: var(--expr-surface); color: var(--expr-accent); }
:where(body[data-page="/calculations/expression-parser/"]) .expression-button:hover { filter: brightness(.97); }
:where(body[data-page="/calculations/expression-parser/"]) .expression-button:focus-visible,
:where(body[data-page="/calculations/expression-parser/"]) .expression-tab:focus-visible,
:where(body[data-page="/calculations/expression-parser/"]) .expression-key:focus-visible,
:where(body[data-page="/calculations/expression-parser/"]) .expression-copy:focus-visible,
:where(body[data-page="/calculations/expression-parser/"]) .expression-swap:focus-visible,
:where(body[data-page="/calculations/expression-parser/"]) .expression-dialog-close:focus-visible { outline: 3px solid rgb(var(--expr-accent-rgb) / 35%); outline-offset: 2px; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-card { margin-top: 18px; padding: clamp(18px, 3vw, 27px); border: 1px solid var(--expr-border); border-radius: 16px; background: var(--expr-surface); box-shadow: 0 16px 44px rgb(30 46 34 / 7%); }
:where(body[data-page="/calculations/expression-parser/"]) .expression-card-topline { display: flex; justify-content: space-between; gap: 14px; margin-bottom: 14px; color: #879187; font-size: 9px; font-weight: 800; letter-spacing: .11em; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-card h2 { margin: 0 0 17px; color: #25382b; font-size: 21px; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 20px; padding: 4px; border: 1px solid var(--expr-border); border-radius: 10px; background: var(--expr-soft); }
:where(body[data-page="/calculations/expression-parser/"]) .expression-tab { min-height: 38px; flex: 1 1 145px; padding: 8px 12px; border: 0; border-radius: 7px; background: transparent; color: #637166; cursor: pointer; font-size: 12px; font-weight: 750; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-tab.is-active { background: var(--expr-surface); color: var(--expr-accent); box-shadow: 0 1px 5px rgb(32 47 35 / 12%); }
:where(body[data-page="/calculations/expression-parser/"]) .expression-tabs.is-basic [data-advanced-tab] { display: none; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-panel[hidden] { display: none !important; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-field { display: grid; min-width: 0; gap: 7px; color: #425348; font-size: 11px; font-weight: 750; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-field input,
:where(body[data-page="/calculations/expression-parser/"]) .expression-field select,
:where(body[data-page="/calculations/expression-parser/"]) .expression-field textarea { width: 100%; min-width: 0; box-sizing: border-box; min-height: 43px; padding: 10px 12px; border: 1px solid var(--expr-border); border-radius: 8px; outline: 0; background: var(--expr-surface); color: var(--expr-ink); font: 500 14px/1.35 Inter, "Segoe UI", Arial, sans-serif; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-field textarea { min-height: 102px; resize: vertical; font-family: ui-monospace, Consolas, monospace; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-field input:focus,
:where(body[data-page="/calculations/expression-parser/"]) .expression-field select:focus,
:where(body[data-page="/calculations/expression-parser/"]) .expression-field textarea:focus { border-color: var(--expr-accent-2); box-shadow: 0 0 0 3px rgb(var(--expr-accent-rgb) / 11%); }
:where(body[data-page="/calculations/expression-parser/"]) .expression-field input[aria-invalid="true"],
:where(body[data-page="/calculations/expression-parser/"]) .expression-field textarea[aria-invalid="true"] { border-color: #b9473d; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-hint { margin: 8px 0 14px; color: #7d897e; font-size: 11px; line-height: 1.55; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-options { display: grid; grid-template-columns: minmax(150px, 220px) minmax(150px, 220px) minmax(200px, 1fr); align-items: end; gap: 12px; margin: 15px 0; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-check { display: flex; min-height: 43px; align-items: center; gap: 9px; color: #526257; font-size: 12px; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-check input { width: 16px; height: 16px; accent-color: var(--expr-accent-2); }
:where(body[data-page="/calculations/expression-parser/"]) .expression-keyboard { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 7px; padding: 13px; border: 1px solid var(--expr-border); border-radius: 12px; background: var(--expr-soft); }
:where(body[data-page="/calculations/expression-parser/"]) .expression-key { min-height: 39px; border: 1px solid var(--expr-border); border-radius: 7px; background: var(--expr-surface); color: var(--expr-ink); cursor: pointer; font-size: 13px; font-weight: 650; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-key:hover { border-color: var(--expr-accent-border); background: var(--expr-accent-pale); color: var(--expr-accent); }
:where(body[data-page="/calculations/expression-parser/"]) .expression-key--utility { grid-column: span 1; color: var(--expr-accent); }
:where(body[data-page="/calculations/expression-parser/"]) .expression-form-actions { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 14px; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-status { min-height: 18px; margin: 10px 0 0; color: #6c796e; font-size: 12px; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-status.is-error { color: #a3342d; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-result { margin-top: 20px; padding: 17px 19px; border: 1px solid var(--expr-border); border-radius: 12px; background: var(--expr-soft); }
:where(body[data-page="/calculations/expression-parser/"]) .expression-result-header { display: flex; align-items: start; justify-content: space-between; gap: 10px; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-label { margin: 0 0 5px; color: var(--expr-accent-2); font-size: 9px; font-weight: 800; letter-spacing: .12em; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-result-header h3 { margin: 0; font-size: 13px; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-copy { min-height: 30px; padding: 5px 8px; border: 0; background: transparent; color: var(--expr-accent); cursor: pointer; font-size: 11px; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-copy:disabled { cursor: default; opacity: .45; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-result-value { display: block; margin-top: 13px; overflow-wrap: anywhere; color: var(--expr-accent); font-size: clamp(25px, 4vw, 36px); font-weight: 800; letter-spacing: -.025em; font-variant-numeric: tabular-nums; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-result-value--text { font-family: ui-monospace, Consolas, monospace; font-size: clamp(19px, 3vw, 26px); }
:where(body[data-page="/calculations/expression-parser/"]) .expression-result-detail { margin: 7px 0 0; color: #748176; font-size: 11px; line-height: 1.55; overflow-wrap: anywhere; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-steps { display: grid; gap: 7px; margin: 14px 0 0; padding: 0 0 0 24px; color: #516055; font-size: 12px; line-height: 1.55; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-steps:empty { display: none; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-steps code { font-family: ui-monospace, Consolas, monospace; overflow-wrap: anywhere; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-algebra-options { display: grid; grid-template-columns: minmax(180px, 260px) auto auto; align-items: end; gap: 10px; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-unit-row { display: grid; grid-template-columns: minmax(120px, 1fr) minmax(110px, .75fr) minmax(150px, 1fr) 44px minmax(150px, 1fr); align-items: end; gap: 10px; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-swap { width: 44px; height: 43px; border: 1px solid var(--expr-border); border-radius: 9px; background: var(--expr-soft); color: var(--expr-accent); cursor: pointer; font-size: 20px; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-stat-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 9px; margin-top: 17px; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-stat-grid article { display: grid; min-width: 0; gap: 5px; padding: 12px; border: 1px solid var(--expr-border); border-radius: 9px; background: var(--expr-surface); }
:where(body[data-page="/calculations/expression-parser/"]) .expression-stat-grid span { color: #738076; font-size: 10px; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-stat-grid strong { overflow-wrap: anywhere; color: var(--expr-ink); font-size: 17px; font-variant-numeric: tabular-nums; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-error-inline { margin: 12px 0 0; color: #9d372e; font-size: 12px; line-height: 1.55; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-error-inline[hidden] { display: none; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-guide ul { display: grid; gap: 9px; margin: 0 0 13px; padding-left: 20px; color: #657267; font-size: 12px; line-height: 1.65; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-guide > p:last-child,
:where(body[data-page="/calculations/expression-parser/"]) .expression-privacy { color: #778378; font-size: 11px; line-height: 1.6; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-privacy { margin: 14px 2px; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-noscript { padding: 12px; border: 1px solid #dba39e; border-radius: 8px; color: #8f3029; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-footer { display: flex; justify-content: space-between; gap: 16px; padding: 16px 2px; color: #879187; font-size: 10px; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-dialog { width: min(620px, calc(100% - 32px)); max-height: min(82vh, 740px); padding: 22px; border: 1px solid var(--expr-border); border-radius: 15px; background: var(--expr-surface); color: var(--expr-ink); box-shadow: 0 24px 90px rgb(18 32 23 / 28%); }
:where(body[data-page="/calculations/expression-parser/"]) .expression-dialog::backdrop { background: rgb(20 31 23 / 48%); backdrop-filter: blur(2px); }
:where(body[data-page="/calculations/expression-parser/"]) .expression-dialog-header { display: flex; align-items: start; justify-content: space-between; gap: 12px; padding-bottom: 13px; border-bottom: 1px solid var(--expr-border); }
:where(body[data-page="/calculations/expression-parser/"]) .expression-dialog-header p { margin: 2px 0 6px; color: var(--expr-accent-2); font-size: 9px; font-weight: 800; letter-spacing: .11em; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-dialog-header h2 { margin: 0; font-size: 20px; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-dialog-close { display: grid; width: 34px; height: 34px; flex: 0 0 34px; place-items: center; border: 1px solid var(--expr-border); border-radius: 8px; background: var(--expr-soft); color: var(--expr-ink); cursor: pointer; font-size: 22px; line-height: 1; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-dialog-body { max-height: 64vh; overflow: auto; padding-top: 12px; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-dialog-body h3 { margin: 13px 0 5px; color: var(--expr-accent); font-size: 14px; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-dialog-body p,
:where(body[data-page="/calculations/expression-parser/"]) .expression-error-message { margin: 0 0 10px; color: #657267; font-size: 12px; line-height: 1.65; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-dialog--error { width: min(450px, calc(100% - 32px)); }
:where(body[data-page="/calculations/expression-parser/"]) .expression-error-message { margin-top: 16px; color: #8e302b; }
:where(body[data-page="/calculations/expression-parser/"]) .expression-footer { border-top: 1px solid var(--expr-border); }

@media (max-width: 820px) {
    :where(body[data-page="/calculations/expression-parser/"]) .expression-unit-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    :where(body[data-page="/calculations/expression-parser/"]) .expression-unit-row .expression-swap { justify-self: center; }
    :where(body[data-page="/calculations/expression-parser/"]) .expression-stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 600px) {
    :where(body[data-page="/calculations/expression-parser/"]) .expression-shell { width: min(100% - 24px, 600px); }
    :where(body[data-page="/calculations/expression-parser/"]) .expression-header { align-items: flex-start; }
    :where(body[data-page="/calculations/expression-parser/"]) .expression-header-tagline { max-width: none; text-align: left; line-height: 1.4; }
    :where(body[data-page="/calculations/expression-parser/"]) .expression-hero { padding-top: 36px; }
    :where(body[data-page="/calculations/expression-parser/"]) .expression-tabs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
    :where(body[data-page="/calculations/expression-parser/"]) .expression-tab { flex: initial; }
    :where(body[data-page="/calculations/expression-parser/"]) .expression-options { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    :where(body[data-page="/calculations/expression-parser/"]) .expression-check { grid-column: 1 / -1; }
    :where(body[data-page="/calculations/expression-parser/"]) .expression-keyboard { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; padding: 9px; }
    :where(body[data-page="/calculations/expression-parser/"]) .expression-algebra-options { grid-template-columns: 1fr 1fr; }
    :where(body[data-page="/calculations/expression-parser/"]) .expression-algebra-options .expression-field { grid-column: 1 / -1; }
    :where(body[data-page="/calculations/expression-parser/"]) .expression-unit-row { grid-template-columns: minmax(0, 1fr); }
    :where(body[data-page="/calculations/expression-parser/"]) .expression-unit-row .expression-swap { width: 100%; }
    :where(body[data-page="/calculations/expression-parser/"]) .expression-footer { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
    :where(body[data-page="/calculations/expression-parser/"]) *,
    :where(body[data-page="/calculations/expression-parser/"]) *::before,
    :where(body[data-page="/calculations/expression-parser/"]) *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}