:root{color-scheme:light;--color-bg: #f3f6f9;--color-surface: #ffffff;--color-surface-elevated: #fbfdff;--color-surface-muted: #edf3f9;--color-text: #17212b;--color-muted: #5b6673;--color-border: #d9e1ea;--color-border-strong: #bdcad8;--color-blue: #0d5fa6;--color-blue-dark: #084b85;--color-blue-soft: #e8f2fb;--color-focus-ring: #8bbce8;--header-bg: #102235;--header-border: #20384d;--header-text: #dbe7f1;--header-text-muted: #c5d1dc;--header-text-disabled: #6f8293;--header-accent: #55a9e8;--nav-bg: var(--header-bg);--nav-border: var(--header-border);--color-grid-line: rgb(13 95 166 / 4.8%);--color-grid-line-strong: rgb(13 95 166 / 7%);--shadow-small: 0 6px 18px rgb(23 33 43 / 6%);--max-page: 1240px;--content-width: 820px;--radius-small: 5px;--radius-medium: 8px;--radius-large: 12px;--font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}*{box-sizing:border-box}html{background:var(--color-bg);color:var(--color-text);font-family:var(--font-sans)}body{margin:0;min-height:100vh;min-width:0;background:linear-gradient(var(--color-grid-line-strong) 1px,transparent 1px),linear-gradient(90deg,var(--color-grid-line-strong) 1px,transparent 1px),linear-gradient(var(--color-grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--color-grid-line) 1px,transparent 1px),var(--color-bg);background-size:96px 96px,96px 96px,24px 24px,24px 24px,auto;background-position:-1px -1px}a{color:var(--color-blue);text-decoration-thickness:.08em;text-underline-offset:.18em}a:hover{color:var(--color-blue-dark)}a:focus-visible,button:focus-visible{outline:3px solid var(--color-focus-ring);outline-offset:3px}.site-header{position:relative;z-index:50;background:var(--header-bg);border-bottom:1px solid var(--header-border);box-shadow:0 1px 3px #08121c38}.site-header__inner,.site-footer__inner{width:min(100% - 32px,var(--max-page));margin:0 auto}.site-header__inner{position:relative;min-height:66px;display:flex;align-items:center;justify-content:space-between;gap:18px}.site-header__brand{display:inline-flex;flex:0 0 auto;align-items:center;gap:8px;color:var(--header-text);font-size:1.05rem;font-weight:760;text-decoration:none}.site-header__mark{display:block;flex:0 0 auto;width:28px;height:28px}.site-header__brand:hover{color:#fff}.site-header__nav{display:flex;flex:1 1 auto;align-items:center;justify-content:flex-end;gap:10px;font-size:.94rem}.site-nav__item{position:relative;display:inline-flex;align-items:center;min-height:64px}.site-nav__link{display:inline-flex;min-height:38px;align-items:center;border-bottom:2px solid transparent;border-radius:var(--radius-small);color:var(--header-text-muted);font-weight:650;padding:0 6px;text-decoration:none}.site-nav__link:hover,.site-nav__link--active{color:#fff;border-bottom-color:var(--header-accent)}.site-nav__toggle,.mobile-menu-button,.mobile-nav__toggle{border:1px solid transparent;background:transparent;color:var(--header-text-muted);cursor:pointer;font:inherit}.site-nav__toggle{display:inline-grid;width:24px;height:32px;place-items:center;margin-left:0;border-radius:var(--radius-small)}.site-nav__item:hover .site-nav__toggle,.site-nav__toggle[aria-expanded=true]{color:#fff}.site-nav__toggle[aria-expanded=true] span{transform:rotate(180deg)}.mega-menu{position:absolute;top:calc(100% - 1px);left:50%;width:min(720px,calc(100vw - 32px));transform:translate(-50%);border:1px solid #d6e0e8;border-radius:var(--radius-large);background:#fffffff7;box-shadow:var(--shadow-small);padding:22px;z-index:100}.mega-menu--engineering-calculators{width:min(640px,calc(100vw - 32px))}.mega-menu[hidden],.mobile-nav[hidden],.mobile-nav__submenu[hidden]{display:none}.mega-menu__grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.mega-menu--engineering-calculators .mega-menu__grid{grid-template-columns:repeat(3,minmax(0,1fr))}.mega-menu__section h2{margin:0 0 10px;color:var(--color-muted);font-size:.72rem;font-weight:800;letter-spacing:.07em;text-transform:uppercase}.mega-menu__section ul{display:grid;gap:8px;margin:0;padding:0;list-style:none}.mega-menu__entry,.mobile-nav__subitem{display:grid;gap:6px;color:var(--color-text);text-decoration:none}.mega-menu__entry{border:1px solid transparent;border-radius:var(--radius-small);padding:8px;line-height:1.35}a.mega-menu__entry:hover,a.mobile-nav__subitem:hover{color:var(--color-blue);background:var(--color-blue-soft);border-color:#0d5fa61f}.mega-menu__entry--disabled,.mobile-nav__subitem--disabled{color:var(--color-muted)}.mega-menu__all-link{display:inline-flex;min-height:38px;align-items:center;width:100%;margin-top:18px;border-top:1px solid var(--color-border);padding-top:14px;color:var(--color-blue);font-weight:750;text-decoration:none}.status-pill{width:fit-content;border:1px solid var(--color-border);border-radius:var(--radius-small);background:var(--color-surface-muted);color:var(--color-muted);padding:2px 7px;font-size:.7rem;font-weight:750;line-height:1.2}.status-pill--beta{border-color:#9cc4e8;background:var(--color-blue-soft);color:var(--color-blue-dark)}.status-pill--available{border-color:#a8d9c4;background:#edf9f3;color:#146345}.site-header__language{display:inline-flex;align-items:center;gap:8px;color:var(--header-text-disabled);font-size:.9rem;white-space:nowrap}.language-link{color:var(--header-text-muted);border-radius:var(--radius-small);padding:4px 2px;text-decoration:none}.language-link--active{color:#fff;font-weight:750}.language-link--disabled{cursor:default;color:var(--header-text-disabled);opacity:.55}.mobile-menu-button{display:none;width:40px;height:40px;place-items:center;border-color:#2d4961;border-radius:var(--radius-small);background:#162c40;color:var(--header-text);font-size:1.25rem}.mobile-menu-button:hover,.mobile-menu-button[aria-expanded=true],.mobile-nav__toggle:hover,.mobile-nav__toggle[aria-expanded=true]{color:#fff;background:#1d3850}.mobile-nav{border-top:1px solid var(--header-border);background:var(--header-bg);box-shadow:0 8px 18px #08121c2e}.mobile-nav__inner{width:min(100% - 24px,var(--max-page));margin:0 auto;padding:12px 0 18px}.mobile-nav__group,.mobile-nav__standalone{border-bottom:1px solid rgb(77 104 128 / 45%)}.mobile-nav__row{display:flex;align-items:center;justify-content:space-between;gap:12px}.mobile-nav__link,.mobile-nav__standalone{display:flex;min-height:48px;align-items:center;color:var(--header-text);font-weight:700;text-decoration:none}.mobile-nav__toggle{display:grid;width:42px;height:42px;place-items:center;border-radius:var(--radius-small);font-size:1.25rem}.mobile-nav__submenu{display:grid;gap:8px;margin-bottom:10px;border:1px solid rgb(77 104 128 / 35%);border-radius:var(--radius-medium);background:#162c40;padding:10px}.mobile-nav__subitem{border:1px solid transparent;border-radius:var(--radius-small);padding:8px 10px;font-size:.95rem;color:var(--header-text-muted)}.mobile-nav__language{display:flex;gap:8px;align-items:center;min-height:52px;color:var(--header-text-disabled)}.site-footer{margin-top:72px;border-top:1px solid var(--header-border);background:var(--header-bg)}.site-footer__inner{display:grid;grid-template-columns:minmax(220px,1.5fr) repeat(3,minmax(150px,1fr));gap:28px;padding:34px 0;color:var(--header-text-muted);font-size:.94rem}.site-footer__brand,.site-footer__nav{display:grid;align-content:start;gap:9px}.site-footer__brand strong,.site-footer__nav h2{color:#fff}.site-footer__brand p{max-width:280px;margin:0;line-height:1.55}.site-footer__nav h2{margin:0 0 4px;font-size:.78rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase}.site-footer__nav a{color:#b8c7d4;text-decoration:none}.site-footer__nav a:hover{color:#fff}.home-shell,.page-shell{width:min(100% - 32px,var(--max-page));margin:0 auto;padding:50px 0 24px}.tool-placeholder,.not-found{max-width:760px}.home-hero{max-width:820px;padding:18px 0 0}.home-eyebrow,.section-eyebrow,.category-eyebrow{margin:0 0 12px;color:var(--color-blue);font-size:.78rem;font-weight:820;letter-spacing:.08em;text-transform:uppercase}.home-hero h1{max-width:760px;margin-bottom:16px;font-size:clamp(2.15rem,5vw,3.35rem);line-height:1.04}.home-hero p:not(.home-eyebrow){max-width:710px;margin:0;color:var(--color-muted);font-size:1.12rem;line-height:1.7}.home-hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.home-button{display:inline-flex;min-height:42px;align-items:center;border:1px solid var(--color-border);border-radius:var(--radius-small);background:var(--color-surface);color:var(--color-text);padding:9px 14px;font-weight:760;text-decoration:none}.home-button--primary{border-color:var(--color-blue);background:var(--color-blue);color:#fff}.home-section,.tool-directory{margin-top:48px}.tool-directory{margin-top:0}.section-heading{max-width:760px;margin-bottom:18px}.section-heading--row{display:flex;max-width:none;align-items:end;justify-content:space-between;gap:18px}.section-heading--row a{flex:0 0 auto;color:var(--color-blue);font-weight:750;text-decoration:none}.section-heading h2{margin:0;color:var(--color-text);font-size:1.5rem;line-height:1.25}.tool-filter{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}.tool-filter__button{min-height:36px;border:1px solid var(--color-border);border-radius:var(--radius-small);background:var(--color-surface);color:var(--color-muted);padding:7px 12px;cursor:pointer;font:inherit;font-weight:700}.tool-filter__button:hover,.tool-filter__button[aria-pressed=true]{border-color:#9cc4e8;background:var(--color-blue-soft);color:var(--color-blue-dark)}.tool-card-grid,.featured-tool-grid,.value-grid,.latest-article-grid,.article-list{display:grid;gap:14px}.tool-card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.featured-tool-grid{grid-template-columns:repeat(5,minmax(0,1fr))}.featured-tool-card,.latest-article-card{border:1px solid rgb(164 184 201 / 55%);border-radius:var(--radius-medium);background:#ffffff8a;color:var(--color-text);text-decoration:none;box-shadow:0 1px #17212b05}.featured-tool-card{display:grid;grid-template-rows:auto auto 1fr;gap:10px;min-height:190px;padding:16px}.featured-tool-card:hover,.latest-article-card:hover{border-color:#91bfe9;box-shadow:0 12px 28px #152a3c1a}.featured-tool-card__symbol{width:fit-content;border-radius:999px;background:var(--color-blue-soft);color:var(--color-blue-dark);padding:5px 9px;font-size:.8rem;font-weight:820}.featured-tool-card strong,.latest-article-card strong{color:var(--color-text);line-height:1.3}.featured-tool-card span:last-child,.latest-article-card p{color:var(--color-muted);line-height:1.55}.latest-article-card{display:grid;gap:10px;max-width:820px;padding:20px}.latest-article-card span{color:var(--color-blue);font-size:.82rem;font-weight:820;text-transform:uppercase}.latest-article-card p{margin:0}.value-grid--compact{grid-template-columns:repeat(3,minmax(0,1fr))}.tool-card-grid--category,.article-list{margin-top:24px}.directory-card{display:grid;grid-template-rows:auto auto 1fr auto;gap:10px;min-height:220px;border:1px solid rgb(164 184 201 / 55%);border-radius:var(--radius-medium);background:#ffffff7f;color:var(--color-text);padding:18px;text-decoration:none;box-shadow:0 1px #17212b05}.directory-card[hidden]{display:none}.directory-card__symbol{width:fit-content;min-height:28px;border:1px solid var(--color-border);border-radius:var(--radius-small);background:var(--color-surface-muted);color:var(--color-blue-dark);padding:4px 8px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:.88rem;font-weight:750}.directory-card strong{color:var(--color-text);font-size:1.05rem;line-height:1.35}.directory-card__description{color:var(--color-muted);font-size:.94rem;line-height:1.58}a.directory-card:hover{border-color:var(--color-border-strong);background:#ffffffb8;color:var(--color-text);box-shadow:var(--shadow-small)}.value-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.latest-article-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.value-card,.content-panel,.category-page>section{border:1px solid var(--color-border);border-radius:var(--radius-medium);background:var(--color-surface);padding:18px}.category-page>section{padding:28px}.value-card h3{margin:0 0 8px;color:var(--color-text);font-size:1rem;line-height:1.35}.value-card p,.content-panel p,.category-page p{max-width:760px;margin:0;color:var(--color-muted);line-height:1.65}.tool-workbench__header{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:24px}.tool-workbench__header p:not(.section-eyebrow){max-width:800px;margin:0;color:var(--color-muted);font-size:1.05rem;line-height:1.65}.tool-workbench__target{flex:0 0 auto;border:1px solid var(--color-border);border-radius:var(--radius-small);background:var(--color-surface);color:var(--color-muted);padding:8px 10px;font-size:.9rem;font-weight:750}.tool-workbench__layout{display:grid;grid-template-columns:minmax(280px,360px) minmax(0,1fr);gap:18px;align-items:start}.tool-input-panel,.tool-result-card{min-width:0;border:1px solid var(--color-border);border-radius:var(--radius-medium);background:var(--color-surface);box-shadow:0 1px #17212b05}.tool-input-panel{position:sticky;top:86px;padding:20px}.tool-input-panel h2,.tool-result-card h2{margin:0;color:var(--color-text);font-size:1.1rem;line-height:1.3}.tool-field{display:grid;gap:7px;margin-top:15px}.tool-field label,.tool-field legend{color:var(--color-muted);font-size:.82rem;font-weight:750}.tool-field legend{margin-bottom:8px}.tool-control{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;overflow:hidden;border:1px solid var(--color-border);border-radius:var(--radius-small);background:var(--color-surface-elevated)}.tool-control--select{grid-template-columns:1fr}.tool-control input,.tool-control select{min-width:0;width:100%;border:0;background:transparent;color:var(--color-text);padding:11px 12px;font:inherit;font-weight:650}.tool-control select{cursor:pointer}.tool-control input:focus,.tool-control select:focus{outline:2px solid #9cc4e8;outline-offset:-2px}.tool-control span{align-self:stretch;display:grid;place-items:center;border-left:1px solid var(--color-border);color:var(--color-muted);padding:0 11px;font-size:.82rem;font-weight:750}.tool-field__error{margin:0;color:#a33a3a;font-size:.82rem;line-height:1.45}.tool-segmented{margin-top:17px;border:0;padding:0}.tool-segmented label{display:grid;gap:3px;border:1px solid var(--color-border);border-radius:var(--radius-small);background:var(--color-surface-elevated);color:var(--color-muted);padding:10px 11px;cursor:pointer}.tool-segmented label+label{margin-top:8px}.tool-segmented input{position:absolute;inline-size:1px;block-size:1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap}.tool-segmented span{color:var(--color-text);font-weight:800}.tool-segmented small{color:var(--color-muted);font-size:.78rem;line-height:1.4}.tool-segmented label:has(input:checked){border-color:#9cc4e8;background:var(--color-blue-soft)}.tool-segmented label:has(input:focus-visible){outline:2px solid #9cc4e8;outline-offset:2px}.tool-note,.tool-warning{margin:14px 0 0;color:var(--color-muted);font-size:.9rem;line-height:1.6}.tool-results{display:grid;gap:18px;min-width:0}.tool-result-card{padding:20px}.tool-result-card--primary{display:grid;gap:18px}.tool-result-card__heading{display:flex;align-items:start;justify-content:space-between;gap:16px}.tool-check-pill{width:fit-content;border:1px solid var(--color-border);border-radius:var(--radius-small);background:var(--color-surface-muted);color:var(--color-muted);padding:5px 8px;font-size:.75rem;font-weight:800;text-transform:uppercase}.tool-check-pill--pass{border-color:#a8d9c4;background:#edf9f3;color:#146345}.tool-check-pill--review{border-color:#e4d39b;background:#fff8df;color:#765a00}.tool-check-pill--fail{border-color:#ebb0b0;background:#fff0f0;color:#943232}.resistor-recommendation{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.resistor-recommendation>div,.metric-tile,.engineering-check{border:1px solid var(--color-border);border-radius:var(--radius-small);background:var(--color-surface-elevated)}.resistor-recommendation>div{display:grid;gap:7px;padding:16px}.resistor-recommendation span,.metric-tile span{color:var(--color-muted);font-size:.78rem;font-weight:750}.resistor-recommendation strong{color:var(--color-text);font-size:1.45rem;line-height:1.2}.resistor-recommendation small,.metric-tile small{color:var(--color-muted);font-size:.82rem;line-height:1.45}.conversion-flow{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:center;border:1px dashed #9cc4e8;border-radius:var(--radius-small);background:var(--color-blue-soft);color:var(--color-blue-dark);padding:13px}.conversion-flow strong{color:var(--color-text);font-size:1.05rem}.metric-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.metric-tile{display:grid;gap:6px;align-content:start;min-height:94px;padding:14px}.metric-tile strong{color:var(--color-text);font-size:1.18rem;line-height:1.25}.tool-results__bottom{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:18px}.engineering-checks{display:grid;gap:10px;margin-top:14px}.engineering-check{display:grid;grid-template-columns:auto minmax(0,1fr);gap:11px;padding:12px}.engineering-check>span{width:58px;height:26px;display:inline-grid;place-items:center;border-radius:var(--radius-small);font-size:.68rem;font-weight:850;text-transform:uppercase}.engineering-check--pass>span{background:#edf9f3;color:#146345}.engineering-check--review>span{background:#fff8df;color:#765a00}.engineering-check--fail>span{background:#fff0f0;color:#943232}.engineering-check strong{color:var(--color-text);font-size:.94rem}.engineering-check p,.tool-result-card>p{margin:4px 0 0;color:var(--color-muted);font-size:.88rem;line-height:1.55}.tool-warning{border-left:3px solid #d1b35d;background:#fff9e8;padding:10px 12px}.code-panel{position:relative;margin-top:14px;overflow:auto;border:1px solid var(--color-border);border-radius:var(--radius-small);background:#102235;padding:54px 16px 16px}.code-panel code{display:block;color:#dbe7f1;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:.86rem;line-height:1.6;white-space:pre}.code-panel__copy{position:absolute;top:10px;right:10px;min-height:34px;padding:6px 10px;font-size:.78rem}.rc-filter-tool .tool-workbench__header p+p{margin-top:6px}.rc-filter-tool .rc-source-fields{display:grid;gap:12px}.rc-filter-tool .rc-source-fields[hidden]{display:none}.rc-filter-tool .rc-input-section{margin-top:20px;border-top:1px solid var(--color-border);padding-top:18px}.rc-filter-tool .rc-input-section h3{margin:0 0 12px;color:var(--color-text);font-size:.96rem;line-height:1.35}.tool-field__hint{margin:0;color:var(--color-muted);font-size:.78rem;line-height:1.45}.shunt-current-tool .tool-input-panel{display:grid;gap:18px}.shunt-current-tool .tool-form-grid{display:grid;gap:12px}.shunt-current-tool .tool-form-grid--two{grid-template-columns:repeat(2,minmax(0,1fr))}.shunt-current-tool .tool-field{position:relative;margin-top:0}.shunt-current-tool .tool-field>span{color:var(--color-muted);font-size:.82rem;font-weight:750}.shunt-current-tool .tool-field>input,.shunt-current-tool .tool-field>select{width:100%;min-width:0;border:1px solid var(--color-border);border-radius:var(--radius-small);background:var(--color-surface-elevated);color:var(--color-text);padding:11px 12px;font:inherit;font-weight:650}.shunt-current-tool .tool-field>input:focus,.shunt-current-tool .tool-field>select:focus{outline:2px solid #9cc4e8;outline-offset:1px}.shunt-current-tool .tool-field>small{color:var(--color-muted);font-size:.78rem;line-height:1.45}.shunt-current-tool .tool-help-text{margin:0;color:var(--color-muted);font-size:.86rem;line-height:1.55}.shunt-current-tool .tool-results-stack{display:grid;gap:18px;min-width:0}.shunt-current-tool .tool-result-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.shunt-current-tool .shunt-status-card{border-color:var(--color-border)}.shunt-current-tool .shunt-status-card--valid{background:linear-gradient(180deg,#f5fbf8,var(--color-surface))}.shunt-current-tool .shunt-status-card--review{background:linear-gradient(180deg,#fffaf0,var(--color-surface))}.shunt-current-tool .shunt-status-card--invalid{background:linear-gradient(180deg,#fff4f4,var(--color-surface))}.shunt-current-tool .shunt-relation{margin:14px 0;overflow-x:auto;border:1px dashed var(--color-border-strong);border-radius:var(--radius-small);background:var(--color-surface-elevated);color:var(--color-text);padding:12px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:.86rem;line-height:1.45;white-space:nowrap}.shunt-current-tool .shunt-hints{display:grid;gap:9px;margin:14px 0 0;padding:0;list-style:none}.shunt-current-tool .shunt-hints li{border:1px solid var(--color-border);border-radius:var(--radius-small);background:var(--color-surface-elevated);color:var(--color-muted);padding:11px 12px;font-size:.9rem;line-height:1.5}.gate-resistor-tool .gate-input-section{display:grid;gap:12px;border-top:1px solid var(--color-border);padding-top:18px}.gate-resistor-tool .gate-input-section:first-of-type{border-top:0;padding-top:0}.gate-resistor-tool .gate-input-section h3{margin:0;color:var(--color-text);font-size:.96rem;line-height:1.35}.gate-resistor-tool .tool-field--full{grid-column:1 / -1}.gate-resistor-tool .tool-field[hidden],.gate-resistor-tool [data-off-inputs][hidden],.gate-resistor-tool [data-bank-card][hidden],.gate-resistor-tool .gate-validation[hidden]{display:none}.gate-resistor-tool .gate-validation{border:1px solid #ebb0b0;border-radius:var(--radius-small);background:#fff0f0;color:#943232;padding:11px 12px;font-size:.86rem;line-height:1.5}.gate-resistor-tool .gate-summary--pass{background:linear-gradient(180deg,#f5fbf8,var(--color-surface))}.gate-resistor-tool .gate-summary--review{background:linear-gradient(180deg,#fffaf0,var(--color-surface))}.gate-resistor-tool .gate-summary--fail{background:linear-gradient(180deg,#fff4f4,var(--color-surface))}.gate-resistor-tool .gate-bank-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:16px}.gate-resistor-tool .gate-bank-card{min-width:0;border:1px solid var(--color-border);border-radius:var(--radius-small);background:var(--color-surface-elevated);padding:14px}.rc-filter-tool .tool-check-pill--good{border-color:#a8d9c4;background:#edf9f3;color:#146345}.rc-filter-tool .tool-check-pill--warn{border-color:#e4d39b;background:#fff8df;color:#765a00}.rc-filter-tool .tool-check-pill--bad{border-color:#ebb0b0;background:#fff0f0;color:#943232}.rc-overview{display:grid;gap:16px}.rc-overview>p{margin:0;color:var(--color-muted);line-height:1.6}.rc-diagram{overflow:hidden;border:1px solid var(--color-border);border-radius:var(--radius-small);background:linear-gradient(rgb(148 163 184 / 8%) 1px,transparent 1px),linear-gradient(90deg,rgb(148 163 184 / 8%) 1px,transparent 1px),var(--color-surface-elevated);background-size:24px 24px}.rc-diagram svg{display:block;width:100%;height:auto;min-height:210px}.rc-diagram line,.rc-diagram polyline{fill:none;stroke:var(--color-text);stroke-width:4;stroke-linecap:round;stroke-linejoin:round}.rc-diagram circle{fill:var(--color-blue)}.rc-diagram rect{fill:var(--color-surface);stroke:var(--color-border-strong);stroke-width:2}.rc-diagram__label{fill:var(--color-text);font-size:14px;font-weight:850}.rc-diagram__muted{fill:var(--color-muted);font-size:13px}.rc-diagram__accent{fill:var(--color-blue);font-size:13px;font-weight:850}.rc-chart-panel{display:grid;gap:14px}.rc-chart-panel .tool-result-card__heading p{margin:6px 0 0;color:var(--color-muted);line-height:1.55}.rc-chart-grid{display:grid;gap:14px}.rc-chart-card{min-width:0;overflow:hidden;border:1px solid var(--color-border);border-radius:var(--radius-small);background:var(--color-surface)}.rc-chart-card__title{display:flex;align-items:baseline;justify-content:space-between;gap:12px;border-bottom:1px solid var(--color-border);padding:10px 12px}.rc-chart-card__title strong{color:var(--color-text);font-size:.9rem}.rc-chart-card__title span{color:var(--color-muted);font-size:.78rem}.rc-chart-card canvas{display:block;width:100%;height:260px;background:var(--color-surface)}.rc-detail-grid{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:0 16px;margin-top:14px}.rc-detail-grid span,.rc-detail-grid strong{min-width:0;border-bottom:1px solid var(--color-border);padding:10px 0;font-size:.9rem}.rc-detail-grid span{color:var(--color-muted)}.rc-detail-grid strong{color:var(--color-text);text-align:right}.content-panel p+p{margin-top:12px}.scope-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}.scope-list span{border:1px solid var(--color-border);border-radius:var(--radius-small);background:var(--color-surface-elevated);color:var(--color-muted);padding:7px 9px;font-size:.9rem;font-weight:650}.articles-index{max-width:920px}.article-list__item{display:grid;gap:8px;border:1px solid var(--color-border);border-radius:var(--radius-medium);background:var(--color-surface);padding:18px;color:var(--color-text);text-decoration:none}.article-list__item:hover{border-color:var(--color-border-strong);box-shadow:var(--shadow-small);color:var(--color-text)}.article-list__item span{color:var(--color-blue);font-size:.78rem;font-weight:800;letter-spacing:.04em}.article-list__item strong{color:var(--color-text);font-size:1.18rem;line-height:1.35}.article-list__item p{margin:0;color:var(--color-muted);line-height:1.6}.article-list__item time{color:var(--color-muted);font-size:.9rem}h1,h2,h3,p{overflow-wrap:break-word}h1{margin:0 0 16px;color:var(--color-text);font-size:2.4rem;line-height:1.12;letter-spacing:0}.tool-placeholder p,.not-found p{color:var(--color-muted);font-size:1.08rem;line-height:1.7}.button-link{display:inline-flex;min-height:44px;align-items:center;justify-content:center;border:1px solid var(--color-blue);border-radius:var(--radius-small);background:var(--color-blue);color:#fff;padding:10px 16px;font-weight:650;text-decoration:none}.button-link:hover{background:var(--color-blue-dark);color:#fff}.button-link--secondary{background:var(--color-surface);color:var(--color-blue)}.button-link--secondary:hover{background:var(--color-blue-soft);color:var(--color-blue-dark)}.muted,.status-note{color:var(--color-muted)}.status-note{display:inline-block;border:1px solid var(--color-border);border-radius:var(--radius-small);background:var(--color-surface-muted);padding:10px 12px}.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:26px;color:var(--color-muted);font-size:.92rem}.breadcrumb a{color:var(--color-muted)}@media(prefers-reduced-motion:no-preference){.site-nav__toggle span,.site-nav__link,.mega-menu__entry,.mega-menu__all-link,.mobile-menu-button,.mobile-nav__toggle,.mobile-nav__subitem,.button-link,.article-list__item,.directory-card,.tool-filter__button{transition:background-color .16s ease,border-color .16s ease,color .16s ease,transform .16s ease,box-shadow .16s ease}a.directory-card:hover,.article-list__item:hover{transform:translateY(-1px)}}@media(max-width:1180px){.site-header .site-header__nav,.site-header .site-header__language{display:none}.site-header .mobile-menu-button{display:grid}.site-header__inner{justify-content:space-between}.tool-workbench__layout{grid-template-columns:1fr}.tool-input-panel{position:static}}@media(max-width:1020px){.tool-card-grid,.featured-tool-grid,.latest-article-grid,.value-grid,.site-footer__inner{grid-template-columns:repeat(2,minmax(0,1fr))}.tool-workbench__header,.tool-result-card__heading{align-items:start;flex-direction:column}.tool-workbench__target{width:fit-content}.metric-grid,.tool-results__bottom,.shunt-current-tool .tool-result-grid,.gate-resistor-tool .gate-bank-grid,.rc-filter-tool .tool-segmented{grid-template-columns:1fr}}@media(max-width:640px){.site-header__inner{min-height:58px;width:min(100% - 24px,var(--max-page))}.site-header__brand{gap:8px;font-size:1rem}.site-header__mark{width:26px;height:26px}.home-shell,.page-shell{width:min(100% - 24px,var(--max-page));padding-top:36px}h1,.home-hero h1{font-size:2rem}.section-heading--row{display:grid;align-items:start}.tool-card-grid,.featured-tool-grid,.latest-article-grid,.value-grid,.site-footer__inner,.resistor-recommendation,.shunt-current-tool .tool-form-grid--two{grid-template-columns:1fr}.gate-resistor-tool .tool-field--full{grid-column:auto}.tool-input-panel,.tool-result-card{padding:16px}.resistor-recommendation strong{font-size:1.25rem}.conversion-flow{justify-content:flex-start}.rc-detail-grid{grid-template-columns:1fr}.rc-detail-grid strong{padding-top:0;text-align:left}.rc-chart-card__title{align-items:start;flex-direction:column}.directory-card{min-height:0}.category-page>section{padding:22px}.site-footer__inner{width:min(100% - 24px,var(--max-page))}}