@font-face{font-family:'Inter';font-style:normal;font-weight:400 800;font-display:swap;src:url('/assets/fonts/inter-latin.woff2') format('woff2')}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:500 700;font-display:swap;src:url('/assets/fonts/jetbrains-mono-latin.woff2') format('woff2')}
:root{
  --content-width:1180px;--space:8px;--radius:12px;
  --bg:#fbf7f1;--surface:#fffdfa;--surface-muted:#f4eee6;--ink:#17233c;--muted:#56647a;
  --border:#ddd6cc;--border-strong:#c9bfb2;--accent:#1d4ed8;--accent-hover:#1e40af;
  --copper:#8f4a1e;--copper-soft:#f6e7d8;--success:#15803d;--danger:#b91c1c;
  --mono:'JetBrains Mono','Geist Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --sans:'Inter','Geist',ui-sans-serif,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --shadow:0 1px 2px rgba(23,35,60,.04),0 10px 30px -24px rgba(23,35,60,.34);
}
@media(prefers-color-scheme:dark){:root{--bg:#0d1422;--surface:#121d2f;--surface-muted:#18243a;--ink:#f4efe7;--muted:#aab3c2;--border:#2b3952;--border-strong:#40506c;--accent:#60a5fa;--accent-hover:#93c5fd;--copper:#e1a06f;--copper-soft:#3b291f;--success:#4ade80;--danger:#f87171;--shadow:0 1px 2px rgba(0,0,0,.24),0 16px 42px -28px rgba(0,0,0,.8)}}
:root[data-theme="light"]{color-scheme:light;--bg:#fbf7f1;--surface:#fffdfa;--surface-muted:#f4eee6;--ink:#17233c;--muted:#56647a;--border:#ddd6cc;--border-strong:#c9bfb2;--accent:#1d4ed8;--accent-hover:#1e40af;--copper:#8f4a1e;--copper-soft:#f6e7d8;--success:#15803d;--danger:#b91c1c;--shadow:0 1px 2px rgba(23,35,60,.04),0 10px 30px -24px rgba(23,35,60,.34)}
:root[data-theme="dark"]{color-scheme:dark;--bg:#0d1422;--surface:#121d2f;--surface-muted:#18243a;--ink:#f4efe7;--muted:#aab3c2;--border:#2b3952;--border-strong:#40506c;--accent:#60a5fa;--accent-hover:#93c5fd;--copper:#e1a06f;--copper-soft:#3b291f;--success:#4ade80;--danger:#f87171;--shadow:0 1px 2px rgba(0,0,0,.24),0 16px 42px -28px rgba(0,0,0,.8)}
html{background:var(--bg);color:var(--ink);font-family:var(--sans);scroll-behavior:smooth}
body{background:var(--bg)!important;color:var(--ink)!important;font-family:var(--sans)!important}
.skip-link{position:fixed;z-index:2000;top:8px;left:8px;min-height:44px;padding:11px 16px;border:2px solid var(--accent);border-radius:10px;background:var(--surface);color:var(--ink);font-weight:850;text-decoration:none;transform:translateY(-160%)}.skip-link:focus{transform:translateY(0)}
.site-masthead{max-width:var(--content-width);margin:0 auto;padding:12px 108px 0 24px;display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:82px}
.site-brand{container:brand-logo / inline-size;display:block;text-decoration:none;min-height:44px;border-radius:8px;flex:0 0 auto;width:330px;max-width:330px}.site-brand.compact{width:330px;max-width:330px}.brand-variant,.brand-logo{display:none}.brand-logo{max-width:100%;height:auto;object-fit:contain;object-position:left center}.brand-logo-mark{display:block;width:48px;height:48px}.brand-variant .brand-logo-light{display:block}.brand-variant .brand-logo-dark{display:none}:root[data-theme="dark"] .brand-variant .brand-logo-light{display:none}:root[data-theme="dark"] .brand-variant .brand-logo-dark{display:block}:root[data-theme="light"] .brand-variant .brand-logo-light{display:block}:root[data-theme="light"] .brand-variant .brand-logo-dark{display:none}
@media(prefers-color-scheme:dark){:root:not([data-theme]) .brand-variant .brand-logo-light{display:none}:root:not([data-theme]) .brand-variant .brand-logo-dark{display:block}}
@container brand-logo (min-width:160px){.brand-logo-mark{display:none}.brand-mobile{display:block}.brand-mobile .brand-logo{width:min(100%,300px)}}
@container brand-logo (min-width:240px){.brand-mobile{display:none}.brand-compact{display:block}.brand-compact .brand-logo{width:min(100%,430px)}}
@container brand-logo (min-width:320px){.brand-compact{display:none}.brand-full{display:block}.brand-full .brand-logo{width:min(100%,600px)}}
.site-nav-links{display:flex;align-items:center;justify-content:flex-end;gap:4px 18px}.site-nav-links a{display:inline-flex;align-items:center;justify-content:center;min-height:44px;min-width:44px;color:var(--ink);font-size:.88rem;font-weight:750;text-decoration:none;text-underline-offset:4px}.site-nav-links a:hover{color:var(--accent);text-decoration:underline}.site-nav-links a:focus-visible{outline:3px solid color-mix(in srgb,var(--accent) 42%,transparent)!important;outline-offset:2px!important}
.site-search-form{display:flex;align-items:center;justify-content:flex-end;flex:0 0 220px;min-width:220px;max-width:220px;width:220px}
.site-search-form .search-box{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;min-width:0;width:100%}
.site-search-form input{min-height:42px;padding:0 12px;font-size:.88rem;font-weight:600;min-width:0;width:100%}
.site-search-form button{min-height:42px;padding:0 14px;min-width:0}
.wrap{max-width:var(--content-width)!important;padding-left:24px!important;padding-right:24px!important}
h1,h2,h3{color:var(--ink);text-wrap:balance}h1{letter-spacing:-.04em!important}p{color:inherit}
.card,.nav-card,.tool{background:var(--surface)!important;border-color:var(--border)!important;border-radius:var(--radius)!important;box-shadow:var(--shadow)!important}
.nav-card{min-height:132px;transition:transform 160ms ease,border-color 160ms ease,box-shadow 160ms ease!important}
.nav-card:hover{transform:translateY(-1px)!important;border-color:var(--border-strong)!important}
.nav-card.featured{background:linear-gradient(180deg,var(--surface),var(--copper-soft))!important;border-left:3px solid var(--copper)!important}
.nav-card.featured .name{color:var(--ink)!important}.nav-card.featured .arrow{color:var(--copper)!important}
input,select,textarea,button,a.primary{min-height:44px;border-radius:10px!important;font-family:var(--sans)!important}
input,select,textarea{background:var(--surface)!important;color:var(--ink)!important;border-color:var(--border)!important}
button,.primary{transition:background-color 160ms ease,border-color 160ms ease,transform 160ms ease,box-shadow 160ms ease!important}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--accent)!important;outline-offset:2px!important}
.primary,#calc-btn,#run-btn{background:var(--accent)!important;color:#fff!important;min-height:44px;padding:11px 18px!important}
.primary:hover,#calc-btn:hover,#run-btn:hover{background:var(--accent-hover)!important}
:root[data-theme="dark"] .primary,:root[data-theme="dark"] #calc-btn,:root[data-theme="dark"] #run-btn{color:#0d1422!important}
.result,.net,.row-line{font-variant-numeric:tabular-nums}.result{font-family:var(--mono)!important;background:linear-gradient(135deg,var(--surface-muted),var(--surface))!important;border:1px solid var(--border)!important;border-left:3px solid var(--accent)!important;padding:18px!important;line-height:1.75!important;box-shadow:inset 0 1px 0 color-mix(in srgb,var(--surface) 75%,transparent)}
.field label{letter-spacing:-.005em}.field input,.field select,.field textarea{transition:border-color 160ms ease,box-shadow 160ms ease,background-color 160ms ease}.field input:hover,.field select:hover,.field textarea:hover{border-color:var(--border-strong)!important}
details{margin-top:16px;border:1px solid var(--border);border-radius:10px;background:var(--surface-muted);padding:12px 14px}summary{cursor:pointer;color:var(--ink);font-weight:700;min-height:28px}
.badge{border-radius:999px!important}.badge.featured,.new-badge{display:inline-flex;align-items:center;width:max-content;padding:3px 8px;border:1px solid;color:var(--copper)!important;background:var(--copper-soft)!important;border-color:color-mix(in srgb,var(--copper) 35%,var(--border))!important;border-radius:999px;font-size:.68rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase}
.ad-slot{display:none!important}
.decision-receipt{margin-top:18px;padding:18px;border:1px solid var(--border);border-radius:18px;background:var(--surface-muted)}
.decision-receipt pre{max-width:100%;margin:12px 0;padding:14px;white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word;overflow:auto;border:1px solid var(--border);border-radius:12px;background:var(--surface);color:var(--ink);font:inherit}
.contextual-offer[hidden]{display:none!important}
.tool-icon svg,.ico svg{stroke-width:1.75!important}
.tool-icon{display:flex;flex:0 0 auto;color:var(--accent);padding-top:1px}.tool-icon svg{width:20px;height:20px}.featured .tool-icon{color:var(--copper)}
.tool-context{display:flex;align-items:center;gap:8px;margin:0 0 14px;color:var(--muted);font-size:.82rem}.tool-context a{color:var(--accent);text-decoration:none;font-weight:700}.tool-context .separator{color:var(--border-strong)}.tool-context .category-pill{display:inline-flex;align-items:center;min-height:28px;padding:3px 9px;border:1px solid var(--border);border-radius:999px;background:var(--surface-muted);color:var(--ink);font-weight:700}
.trust-bar{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;background:var(--surface-muted)!important;color:var(--muted)!important;border-color:var(--border)!important}.trust-bar span{display:inline-flex;align-items:center;gap:7px;min-height:30px;padding:4px 10px;border:1px solid var(--border);border-radius:999px;background:var(--surface-muted);color:var(--muted);font-size:.78rem;font-weight:700}.trust-bar span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--success)}.badge-row .badge{background:var(--surface-muted)!important;color:var(--muted)!important;border-color:var(--border)!important}.badge-row .badge::before{background:var(--success)!important}input[type="file"]::file-selector-button{margin-right:10px;padding:7px 11px;border:1px solid var(--border);border-radius:7px;background:var(--surface-muted);color:var(--ink);font:700 .8rem var(--sans);cursor:pointer}.footer-nav{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:8px}.footer-nav a,footer a{color:var(--accent)!important;text-decoration:none;font-weight:650}footer{margin-top:34px;color:var(--muted);font-size:.84rem}
.calculator-workspace{display:grid;grid-template-columns:minmax(0,720px) minmax(240px,1fr);gap:20px;align-items:start;margin-top:20px}.calculator-pad-card{padding:18px;border:1px solid var(--border);border-radius:18px;background:var(--surface);box-shadow:var(--shadow)}.calc-toolbar,.side-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.segmented{display:inline-flex;padding:4px;border:1px solid var(--border);border-radius:12px;background:var(--surface-muted)}.segmented button{min-height:36px;padding:6px 13px;border:0!important;background:transparent!important;color:var(--muted)!important;font-weight:750}.segmented button.active{background:var(--surface)!important;color:var(--ink)!important;box-shadow:0 1px 4px rgba(23,35,60,.12)}.angle-button,.quiet-button{min-height:36px!important;padding:6px 11px!important;border:1px solid var(--border)!important;background:var(--surface-muted)!important;color:var(--ink)!important;font-weight:800}.calc-display{position:relative;margin:16px 0;padding:18px;border:1px solid var(--border);border-radius:14px;background:var(--surface-muted);text-align:right}.calc-expression{width:100%;min-height:42px!important;padding:0!important;border:0!important;background:transparent!important;box-shadow:none!important;text-align:right;color:var(--muted)!important}.calc-result{display:block;min-height:58px;text-align:right;font-family:var(--mono);font-size:clamp(2rem,6vw,3.3rem);font-weight:750;line-height:1;overflow-wrap:anywhere}.calc-status{min-height:20px;margin-top:7px;text-align:right;color:var(--muted);font-size:.76rem}.calc-status.error{color:var(--danger)}.memory-indicator{position:absolute;left:16px;top:14px;color:var(--copper);font-family:var(--mono);font-size:.75rem;font-weight:700}.memory-row,.scientific-keys,.basic-keys{display:grid;gap:9px}.memory-row{grid-template-columns:repeat(4,1fr);margin-bottom:10px}.scientific-keys{grid-template-columns:repeat(6,1fr);margin-bottom:10px}.basic-keys{grid-template-columns:repeat(5,1fr)}.memory-row button,.scientific-keys button,.basic-keys button{min-height:52px!important;padding:8px!important;border:1px solid var(--border)!important;background:var(--surface)!important;color:var(--ink)!important;font-family:var(--mono)!important;font-size:1rem;font-weight:700;box-shadow:0 1px 2px rgba(23,35,60,.05);cursor:pointer}.memory-row button:hover,.scientific-keys button:hover,.basic-keys button:hover{border-color:var(--accent)!important;background:var(--surface-muted)!important}.memory-row button{min-height:42px!important;color:var(--muted)!important;font-size:.82rem}.scientific-keys button{background:var(--surface-muted)!important;color:var(--accent)!important;font-size:.85rem}.basic-keys .key-soft{background:var(--surface-muted)!important;color:var(--muted)!important}.basic-keys .key-operator{color:var(--accent)!important;background:color-mix(in srgb,var(--accent) 8%,var(--surface))!important}.basic-keys .key-equals{grid-row:span 2;background:var(--accent)!important;color:#fff!important;border-color:var(--accent)!important}.basic-keys .key-zero{grid-column:span 2}.calculator-side{display:grid;gap:16px}.calculator-side .card{padding:16px}.calculator-side h2{font-size:1rem;margin:0}.quiet-button{min-height:36px!important;padding:4px 7px!important;color:var(--accent)!important}.calc-history{list-style:none;padding:0;margin:12px 0 0;display:grid;gap:7px;max-height:330px;overflow:auto}.history-entry{width:100%;min-height:52px!important;padding:8px 10px!important;border:1px solid var(--border)!important;background:var(--surface-muted)!important;text-align:right;display:grid;gap:2px}.history-entry span{color:var(--muted);font-family:var(--mono);font-size:.75rem;overflow:hidden;text-overflow:ellipsis}.history-entry strong{color:var(--ink);font-family:var(--mono)}.history-empty{padding:16px 5px;color:var(--muted);font-size:.86rem}.calc-guide dl{margin:12px 0;display:grid;gap:6px}.calc-guide dl div{display:flex;justify-content:space-between;gap:12px}.calc-guide dt{font-family:var(--mono);color:var(--ink);font-weight:700}.calc-guide dd{margin:0;color:var(--muted)}.calc-guide p{color:var(--muted);font-size:.84rem}.calculator-method{margin-top:22px;padding:20px}.calculator-method h2{margin-top:0}.method-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.method-grid h3{font-size:.95rem;margin:0 0 5px}.method-grid p{margin:0;color:var(--muted);font-size:.87rem}.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.result-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:12px}.result-actions [hidden]{display:none!important}.secondary-action{min-height:44px!important;padding:8px 12px!important;border:1px solid var(--border)!important;background:var(--surface)!important;color:var(--ink)!important;font-weight:750;cursor:pointer}.secondary-action:hover{border-color:var(--accent)!important;color:var(--accent)!important}.result-status{color:var(--success);font-size:.8rem;font-weight:750}
.commercial-card{margin-top:20px!important;padding:clamp(18px,3vw,26px)!important;border-color:color-mix(in srgb,var(--copper) 35%,var(--border))!important;background:linear-gradient(180deg,var(--surface),color-mix(in srgb,var(--copper) 5%,var(--surface-muted)))!important}.commercial-card h2{margin:6px 0 8px;font-size:1.15rem}.commercial-card p{color:var(--muted);line-height:1.65}.sponsor-label{display:inline-flex;align-items:center;min-height:26px;padding:3px 8px;border:1px solid var(--border);border-radius:999px;color:var(--copper);font-size:.68rem;font-weight:850;letter-spacing:.08em;text-transform:uppercase}.commercial-cta{display:inline-flex;align-items:center;gap:8px;min-height:44px;margin-top:5px;padding:10px 15px;border-radius:10px;background:var(--accent);color:#fff!important;text-decoration:none;font-weight:800}.commercial-cta:hover{filter:brightness(.95)}.commercial-disclosure{margin:12px 0 0!important;font-size:.78rem!important}.ad-card{min-height:132px;text-align:center}.ad-card .sponsor-label{margin-bottom:12px}.adsbygoogle{min-height:90px}
.methodology{margin-top:22px!important;padding:clamp(20px,4vw,34px)!important}.section-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:20px}.section-heading h2,.methodology h2{margin:4px 0 0;font-size:clamp(1.25rem,3vw,1.55rem)}.eyebrow{color:var(--copper);font-size:.72rem;font-weight:850;letter-spacing:.09em;text-transform:uppercase}.reviewed-badge{display:inline-flex;align-items:center;min-height:32px;padding:5px 10px;border:1px solid var(--border);border-radius:999px;background:var(--surface-muted);color:var(--muted);font-size:.76rem;font-weight:750;white-space:nowrap}.methodology .method-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(260px,.75fr);gap:22px}.methodology h3{margin:0 0 7px;font-size:1rem}.methodology p{color:var(--muted);line-height:1.7}.formula-copy{padding:14px 16px;border-left:3px solid var(--copper);border-radius:0 10px 10px 0;background:var(--surface-muted);color:var(--ink)!important}.assumption-panel{padding:18px;border:1px solid var(--border);border-radius:12px;background:var(--surface-muted)}.assumption-panel ul{margin:10px 0 0;padding-left:20px;color:var(--muted)}.assumption-panel li+li{margin-top:8px}.faq-block,.related-block{margin-top:26px;padding-top:22px;border-top:1px solid var(--border)}.faq-block details{background:var(--surface)!important}.faq-block details p{margin:10px 0 2px}.related-tools{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:14px}.related-tool{display:flex;justify-content:space-between;align-items:center;gap:10px;min-height:52px;padding:11px 13px;border:1px solid var(--border);border-radius:10px;background:var(--surface-muted);color:var(--ink)!important;text-decoration:none;font-weight:750}.related-tool:hover{border-color:var(--accent);color:var(--accent)!important}.method-note{margin:24px 0 0;padding-top:18px;border-top:1px solid var(--border);font-size:.86rem}
.theme-toggle{position:fixed;z-index:1000;top:16px;right:16px;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-width:44px;min-height:44px;padding:8px 12px;border:1px solid var(--border)!important;border-radius:999px!important;background:color-mix(in srgb,var(--surface) 92%,transparent)!important;color:var(--ink)!important;box-shadow:var(--shadow);backdrop-filter:blur(8px);cursor:pointer;font-size:.85rem;font-weight:700}
.theme-toggle:hover{border-color:var(--border-strong)!important;transform:translateY(-1px)}.theme-toggle svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}.theme-toggle .theme-label{white-space:nowrap}
@media(max-width:1050px){.site-brand.compact{width:240px;max-width:240px}.site-search-form{display:none}}
@media(max-width:640px){.site-masthead{padding:10px 68px 4px 16px;min-height:108px;align-items:flex-start;flex-wrap:wrap;gap:2px 10px}.site-brand.compact{width:210px;max-width:210px}.site-nav-links{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));width:100%;gap:2px}.site-nav-links a{justify-content:center;min-height:44px;font-size:.74rem}.site-nav-links .desktop-nav-only{display:none!important}.site-search-form{display:none}.wrap{padding-left:16px!important;padding-right:16px!important}.nav-card{min-height:112px}.grid{gap:16px!important}#featured-section .nav-card:nth-child(n+4){display:none}}
@media(max-width:360px){.site-masthead{min-height:156px}.site-brand.compact{width:52px;max-width:52px}.site-nav-links{grid-template-columns:repeat(2,minmax(0,1fr));gap:2px 8px}.site-nav-links a{justify-content:flex-start}}
@media(max-width:900px){.calculator-workspace{grid-template-columns:1fr}.calculator-side{grid-template-columns:1fr 1fr}.method-grid{grid-template-columns:1fr}}
@media(max-width:720px){.methodology .method-grid,.related-tools{grid-template-columns:1fr}.section-heading{display:grid}.reviewed-badge{width:max-content}}
@media(max-width:640px){.calculator-pad-card{padding:12px;border-radius:14px}.scientific-keys{grid-template-columns:repeat(4,1fr)}.basic-keys{gap:7px}.memory-row button,.scientific-keys button,.basic-keys button{min-height:48px!important}.calculator-side{grid-template-columns:1fr}.calc-result{font-size:2.25rem}.tool-context{padding-right:46px;flex-wrap:wrap}}
@media(max-width:520px){.theme-toggle{top:10px;right:10px;padding:8px}.theme-toggle .theme-label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}

/* Phase 1 discovery, category, trust, and feedback pages */
.category-section .category-extra{display:none!important}.category-section.expanded .category-extra,.category-section .category-extra.search-reveal{display:flex!important}
.phase-main{width:min(100% - 32px,var(--content-width));margin:0 auto;padding:28px 0 50px}.phase-crumb{display:flex;gap:8px;align-items:center;color:var(--muted);font-size:.82rem;margin:0 0 24px}.phase-crumb a{display:inline-flex;align-items:center;min-height:24px;color:var(--accent);font-weight:700;text-decoration:none}.phase-hero{max-width:780px;margin:0 0 30px}.phase-hero h1{font-family:var(--font-display);font-size:clamp(2rem,5vw,3.5rem);line-height:1.03;letter-spacing:-.045em;margin:5px 0 14px;color:var(--ink)}.phase-hero>p:last-child{font-size:1.05rem;color:var(--muted);max-width:700px}.phase-eyebrow{text-transform:uppercase;letter-spacing:.12em;color:var(--copper)!important;font-size:.75rem!important;font-weight:800}.phase-filter{display:grid;grid-template-columns:1fr auto;gap:8px 16px;align-items:end;padding:18px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);margin-bottom:18px}.phase-filter label{grid-column:1/-1;font-weight:750}.phase-filter input{min-height:46px;border:1px solid var(--border);border-radius:10px;background:var(--field);color:var(--ink);padding:0 13px;font:inherit}.phase-filter p{margin:0;color:var(--muted);font-size:.82rem}.phase-tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.phase-tool-card{display:flex;justify-content:space-between;gap:14px;min-height:150px;padding:19px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:inherit;text-decoration:none;transition:transform .16s,border-color .16s,box-shadow .16s}.phase-tool-card:hover{transform:translateY(-2px);border-color:var(--accent);box-shadow:var(--shadow)}.phase-tool-card h2{font-size:1rem;margin:7px 0}.phase-tool-card p{font-size:.82rem;color:var(--muted);line-height:1.45;margin:0}.phase-tool-card>span{color:var(--accent);font-weight:800}.phase-card-badge{display:inline-flex;padding:3px 7px;border-radius:999px;background:color-mix(in srgb,var(--accent) 10%,var(--surface));color:var(--accent);font-size:.67rem;text-transform:uppercase;letter-spacing:.06em;font-weight:800}.phase-empty,.phase-note,.phase-prose,.phase-feedback{margin-top:22px;padding:clamp(20px,4vw,34px);border:1px solid var(--border);border-radius:var(--radius);background:var(--surface)}.phase-note h2,.phase-prose h2,.phase-feedback h2{font-family:var(--font-display);margin-top:0}.phase-note p,.phase-prose p,.phase-feedback p{color:var(--muted)}.phase-prose{display:grid;gap:24px;max-width:900px}.phase-prose article{border-bottom:1px solid var(--border);padding-bottom:20px}.phase-prose article:last-of-type{border-bottom:0}.phase-prose h2{font-size:1.18rem;margin-bottom:8px}.phase-prose p{margin:0}.phase-reviewed{padding:12px 15px;border-radius:10px;background:color-mix(in srgb,var(--copper) 9%,var(--surface));color:var(--ink)!important}.phase-feedback{max-width:820px}.phase-feedback form{display:grid;gap:8px;margin-top:20px}.phase-feedback label{font-weight:750;margin-top:8px}.phase-feedback input,.phase-feedback select,.phase-feedback textarea{width:100%;padding:11px 12px;border:1px solid var(--border);border-radius:10px;background:var(--field);color:var(--ink);font:inherit}.phase-feedback textarea{resize:vertical}.phase-actions{display:flex;gap:10px;flex-wrap:wrap;margin:10px 0}.phase-actions button{min-height:44px;padding:0 16px;border:1px solid var(--accent);border-radius:10px;background:var(--accent);color:#fff;font-weight:800;cursor:pointer}.phase-actions button+button{background:transparent;color:var(--accent)}.phase-footer{width:min(100% - 32px,var(--content-width));margin:0 auto;padding:24px 0 40px;border-top:1px solid var(--border);color:var(--muted);font-size:.82rem}.phase-footer nav{display:flex;gap:14px;flex-wrap:wrap}.phase-footer a{color:var(--accent);font-weight:700;text-decoration:none}
.phase-card-badge{color:#1d4ed8}:root[data-theme="dark"] .phase-card-badge{color:#93c5fd}
.phase-eyebrow{font-size:.82rem!important}.phase-card-badge{font-size:.82rem}.global-footer-grid strong{font-size:.82rem}
@media(max-width:900px){.phase-tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){input,select,textarea{font-size:1rem!important}.phase-tool-grid{grid-template-columns:1fr}.phase-filter{grid-template-columns:1fr}.phase-main{width:min(100% - 24px,var(--content-width));padding-top:20px}.phase-tool-card{min-height:0}.phase-footer{width:min(100% - 24px,var(--content-width))}}

/* Phase 2 shared rich-result infrastructure */
.rich-result{font-family:var(--sans)!important;white-space:normal!important;line-height:1.5!important}.result-hero{display:grid;gap:5px;padding:4px 0 16px;border-bottom:1px solid var(--border)}.result-hero-label{color:var(--muted);font-size:.78rem;font-weight:800;letter-spacing:.07em;text-transform:uppercase}.result-hero-value{font-family:var(--mono);font-size:clamp(1.8rem,5vw,2.75rem);font-weight:800;letter-spacing:-.035em;color:var(--ink);overflow-wrap:anywhere}.result-hero-summary{margin:2px 0 0;color:var(--muted);font-size:.88rem}.supporting-metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:14px}.metric{padding:12px;border:1px solid var(--border);border-radius:10px;background:var(--surface)}.metric dt{color:var(--muted);font-size:.72rem;font-weight:750}.metric dd{margin:5px 0 0;font-family:var(--mono);font-weight:750;color:var(--ink);overflow-wrap:anywhere}.decision-context{margin-top:14px;padding:12px 14px;border-left:3px solid var(--copper);border-radius:0 10px 10px 0;background:var(--copper-soft);color:var(--ink);font-size:.86rem}.result-message{display:grid;gap:5px;padding:14px;border:1px solid var(--border);border-radius:10px;background:var(--surface)}.result-message span{color:var(--muted);font-family:var(--sans)}.result-warning{border-left:3px solid var(--copper)}.result-invalid,.result-impossible{border-left:3px solid var(--danger)}.result-detail{margin-top:16px}.result-detail h3{margin:0 0 10px;font-size:.95rem}.table-scroll{max-width:100%;overflow-x:auto;border:1px solid var(--border);border-radius:10px;background:var(--surface)}.result-table{width:100%;border-collapse:collapse;min-width:540px;font-size:.78rem;font-variant-numeric:tabular-nums}.result-table th,.result-table td{padding:9px 10px;border-bottom:1px solid var(--border);text-align:right;white-space:nowrap}.result-table th:first-child,.result-table td:first-child{text-align:left}.result-table thead th{background:var(--surface-muted);color:var(--ink);font-weight:800}.result-table tbody tr:last-child td{border-bottom:0}.breakdown-list{display:grid;gap:8px;margin:0}.breakdown-line{display:flex;justify-content:space-between;gap:14px;padding-bottom:8px;border-bottom:1px solid var(--border)}.breakdown-line:last-child{border:0}.breakdown-line dt{color:var(--muted)}.breakdown-line dd{margin:0;font-family:var(--mono);font-weight:750;text-align:right}.result-bar{display:flex;height:12px;margin-top:12px;overflow:hidden;border-radius:999px;background:var(--surface-muted)}.result-bar span{display:block;min-width:0}.result-bar .bar-primary{background:var(--accent)}.result-bar .bar-secondary{background:var(--copper)}.source-block{margin-top:22px;padding:16px;border:1px solid var(--border);border-radius:12px;background:var(--surface-muted)}.source-block h2{margin:0 0 8px;font-size:1rem}.source-block ul{margin:0;padding-left:20px}.source-block li+li{margin-top:7px}.source-block a{color:var(--accent);font-weight:700}.source-note{color:var(--muted);font-size:.78rem}.rich-result-card{min-width:0}
@media(max-width:640px){.supporting-metrics{grid-template-columns:1fr}.result-actions{align-items:stretch}.result-actions .secondary-action{flex:1 1 calc(50% - 8px)}.result-hero-value{font-size:1.8rem}}
@media print{.site-masthead,.theme-toggle,header,.calculator-workspace>.card:first-child,.result-actions,.trust,.methodology,footer{display:none!important}.wrap{max-width:none!important;padding:0!important}.layout{display:block!important}.rich-result-card{border:0!important;box-shadow:none!important}.result{border:0!important}}
.row.cols-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 14px}.row[hidden]{display:none!important}.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
@media(max-width:640px){.row.cols-2{grid-template-columns:1fr}.table-scroll::before{content:'Swipe horizontally to view all columns';display:block;padding:8px 10px;color:var(--muted);font:600 .72rem var(--sans);border-bottom:1px solid var(--border)}}

/* BTK transcript-backed Direction A: catalogue-wide clarity layer */
.btk-clarity-layer[data-clarity-mode="enhance"] .field>label{font-weight:750;letter-spacing:-.005em}
.btk-clarity-layer[data-clarity-mode="enhance"] .field>input:not([type="checkbox"]):not([type="radio"]),.btk-clarity-layer[data-clarity-mode="enhance"] .field>select,.btk-clarity-layer[data-clarity-mode="enhance"] .field>textarea{min-height:48px}
.btk-clarity-layer [data-clarity-primary="true"]{min-height:48px;font-weight:800}
.btk-clarity-layer[data-clarity-mode="enhance"] [data-clarity-result="true"]{border-left:4px solid var(--accent)!important;border-radius:14px!important;background:var(--surface-muted)!important;box-shadow:var(--shadow);white-space:normal!important}
.btk-clarity-layer [data-clarity-status="true"]{display:block;min-height:1.35em;margin-top:9px;color:var(--success);font-size:.78rem;font-weight:750}
.btk-clarity-layer [data-clarity-status="true"]:empty{margin-top:0;min-height:0}
.all-tools-page .card-kicker{display:block;margin-bottom:6px;color:var(--copper);font-size:.68rem;font-weight:850;letter-spacing:.08em;text-transform:uppercase}
.all-tools-page .card-outcome{display:inline-flex;align-items:center;margin-top:11px;color:var(--accent);font-size:.74rem;font-weight:800}
.all-tools-page .phase-tool-card{min-height:164px}
@media(max-width:640px){.all-tools-page .phase-tool-card{min-height:0}.btk-clarity-layer[data-clarity-mode="enhance"] [data-clarity-result="true"]{box-shadow:var(--shadow)}}
@media(prefers-reduced-motion:reduce){.btk-clarity-layer *{scroll-behavior:auto!important}}

/* Search-first homepage and growth pages */
.footer-nav a,.phase-footer a,.growth-footer nav a{display:inline-flex;align-items:center;min-height:44px;padding:4px 2px}
.growth-home{width:min(100% - 40px,var(--content-width));margin:0 auto;padding:44px 0 34px}.growth-hero{max-width:780px}.growth-hero h1{margin:0;font-size:clamp(2.4rem,6vw,4.8rem);line-height:.98;letter-spacing:-.06em}.growth-hero>p{max-width:680px;margin:20px 0;color:var(--muted);font-size:clamp(1rem,2vw,1.18rem);line-height:1.65}.growth-badges{display:flex;flex-wrap:wrap;gap:8px}.growth-badges a{display:inline-flex;align-items:center;min-height:36px;padding:5px 11px;border:1px solid var(--border);border-radius:999px;background:var(--surface-muted);color:var(--ink);text-decoration:none;font-size:.78rem;font-weight:750}.growth-badges a:hover{border-color:var(--accent);color:var(--accent)}
.growth-search{margin-top:40px;padding:clamp(20px,4vw,34px);border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow)}.growth-search h2{margin:0 0 14px;font-size:clamp(1.3rem,3vw,1.75rem)}.search-box{display:grid;grid-template-columns:1fr auto;gap:8px}.search-box input{min-height:56px;padding:0 16px;border:1px solid var(--border);font-size:1.05rem}.search-box button,.search-empty button{border:1px solid var(--border);background:var(--surface-muted);color:var(--ink);padding:8px 15px;font-weight:750;cursor:pointer}.search-box button[hidden]{display:none}.desktop-search-hint,.mobile-search-hint{margin:9px 2px 0;color:var(--muted);font-size:.78rem}.desktop-search-hint kbd{padding:1px 5px;border:1px solid var(--border);border-radius:5px;background:var(--surface-muted)}.mobile-search-hint{display:none}.search-results{display:grid;gap:8px;margin-top:12px}.search-result{display:flex;align-items:center;justify-content:space-between;gap:15px;min-height:68px;padding:11px 14px;border:1px solid var(--border);border-radius:10px;color:var(--ink);text-decoration:none}.search-result:hover{border-color:var(--accent);background:var(--surface-muted)}.search-result.is-active{border-color:var(--accent);background:var(--surface-muted);outline:3px solid color-mix(in srgb,var(--accent) 40%,transparent);outline-offset:2px}.search-result strong,.search-result small{display:block}.search-result small{margin-top:3px;color:var(--muted);font-size:.76rem}.search-result b{color:var(--accent);transition:transform 160ms ease}.search-result:hover b{transform:translateX(3px)}.search-empty{margin-top:14px;padding:20px;border:1px solid var(--border);border-radius:10px;background:var(--surface-muted)}.search-empty h3,.search-empty p{margin:0 0 8px}.search-empty>div{display:flex;flex-wrap:wrap;gap:8px}.search-empty a{display:inline-flex;align-items:center;min-height:44px;padding:8px 12px;border:1px solid var(--border);border-radius:10px;background:var(--surface);text-decoration:none;font-weight:750}
.growth-section{margin-top:64px}.growth-heading{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:18px}.growth-heading h2{margin:3px 0 0;font-size:clamp(1.5rem,3vw,2.1rem)}.growth-heading>a{display:inline-flex;align-items:center;min-height:44px;color:var(--accent);font-weight:750;text-decoration:none}.category-overview{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.category-card{display:grid;grid-template-columns:auto 1fr auto;gap:13px;align-items:start;min-height:162px;padding:18px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:inherit;text-decoration:none;transition:transform 160ms ease,border-color 160ms ease,box-shadow 160ms ease}.category-card:hover{transform:translateY(-1px);border-color:var(--accent);box-shadow:var(--shadow)}.category-card-icon{display:grid;place-items:center;width:40px;height:40px;border-radius:10px;background:var(--surface-muted);color:var(--accent)}.category-card strong,.category-card small,.category-card em{display:block}.category-card small{margin-top:5px;color:var(--muted);font-size:.8rem;line-height:1.45}.category-card em{margin-top:10px;color:var(--copper);font-size:.72rem;font-style:normal;font-weight:800}.category-card b{color:var(--accent);transition:transform 160ms ease}.category-card:hover b{transform:translateX(3px)}.popular-grid .phase-tool-card{min-height:132px}.popular-grid .phase-tool-card h3{margin:0 0 7px;font-size:1rem}
.growth-proof{display:grid;grid-template-columns:.8fr 1.2fr;gap:24px;margin-top:64px;padding:clamp(22px,4vw,36px);border:1px solid var(--border);border-left:4px solid var(--copper);border-radius:var(--radius);background:var(--surface-muted)}.growth-proof h2{margin:4px 0 0}.growth-proof>p{margin:0;color:var(--muted);line-height:1.7}.growth-proof nav{grid-column:2;display:flex;flex-wrap:wrap;gap:8px}.growth-proof nav a{display:inline-flex;align-items:center;min-height:44px;padding:7px 11px;border:1px solid var(--border);border-radius:9px;background:var(--surface);text-decoration:none;font-weight:750}.growth-footer{display:grid;gap:16px;margin-top:58px;padding:28px 0 0;border-top:1px solid var(--border)}.all-tools-cta{display:inline-flex;align-items:center;justify-content:center;width:max-content;min-height:48px;padding:10px 16px;border-radius:10px;background:var(--accent);color:#fff!important;text-decoration:none;font-weight:800}.growth-footer nav{display:flex;flex-wrap:wrap;gap:6px 18px}.growth-footer p{margin:0}
.all-tools-page .phase-tool-card h3{margin:7px 0;font-size:1rem}.all-tools-page .phase-tool-card[hidden]{display:none!important}.phase-filter .category-jump-label{margin-top:6px}.phase-filter #all-tools-category{grid-column:1/-1;min-height:46px;padding:0 12px}.all-tools-group{scroll-margin-top:16px;margin-top:36px}.all-tools-group>h2{display:flex;gap:8px;align-items:center}.all-tools-group>h2 span{color:var(--muted);font-size:.85rem}.phase-empty button{border:1px solid var(--border);background:var(--surface);color:var(--accent);font-weight:750}.guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.guide-card{display:block;padding:22px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--ink);text-decoration:none;transition:transform 160ms ease,border-color 160ms ease}.guide-card:hover{transform:translateY(-1px);border-color:var(--accent)}.guide-card>span{color:var(--copper);font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em}.guide-card h2{font-size:1.25rem}.guide-card p{color:var(--muted);line-height:1.6}.guide-card b{color:var(--accent)}.guide-prose{max-width:760px}.guide-prose section{margin-top:30px}.guide-prose p,.guide-prose li{color:var(--muted);font-size:1rem;line-height:1.75}.guide-reviewed{font-size:.78rem!important}.guide-tool{margin:34px 0;padding:20px;border:1px solid var(--border);border-left:4px solid var(--copper);border-radius:var(--radius);background:var(--surface-muted)}.guide-tool h2{margin-top:0}.guide-tool a{display:inline-flex;align-items:center;min-height:44px;font-weight:800;text-decoration:none}
.guide-toc{max-width:760px;margin:0 0 34px;padding:20px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface-muted)}.guide-toc h2{margin:0 0 12px;font-size:1.05rem}.guide-toc ol{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 24px;margin:0;padding-left:22px}.guide-toc a{display:inline-flex;align-items:center;min-height:40px;color:var(--ink)!important;font-size:.875rem;font-weight:700;text-decoration:none}.guide-toc a:hover{color:var(--accent)!important;text-decoration:underline;text-underline-offset:4px}.guide-prose section[id]{scroll-margin-top:18px}
@media(max-width:900px){.category-overview{grid-template-columns:repeat(2,minmax(0,1fr))}.growth-proof{grid-template-columns:1fr}.growth-proof nav{grid-column:auto}}
@media(max-width:640px){.growth-home{width:min(100% - 28px,var(--content-width));padding-top:28px}.growth-hero h1{font-size:2.55rem}.growth-search{margin-top:28px;padding:18px}.desktop-search-hint{display:none}.mobile-search-hint{display:block}.search-box{grid-template-columns:1fr}.search-box button{width:100%}.category-overview,.guide-grid{grid-template-columns:1fr}.category-card{min-height:0}.growth-section,.growth-proof{margin-top:44px}.growth-heading{display:block}.growth-heading>a{margin-top:8px}.growth-proof{padding:20px}.growth-footer nav{gap:2px 14px}.growth-footer nav a{min-height:44px}.popular-grid .phase-tool-card:nth-child(n+5){display:none}.guide-toc ol{grid-template-columns:1fr}.guide-toc a{min-height:44px}}

/* Universal presentation contract, portable actions, and visual result modules */
.result-notes{margin:8px 0 0;padding-left:20px;color:var(--muted)}.result-notes li+li{margin-top:5px}.card,.layout,.rich-result-card{min-width:0}.portable-actions{margin:20px 0;padding:18px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface)}.portable-actions h2{margin:0 0 4px;font-size:1rem}.portable-actions>p{margin:0 0 13px;color:var(--muted);font-size:.82rem}.portable-action-row{display:flex;flex-wrap:wrap;gap:8px}.portable-action-row button,.portable-action-row a{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:8px 12px;border:1px solid var(--border);border-radius:9px;background:var(--surface-muted);color:var(--ink);font:750 .8rem var(--sans);text-decoration:none;cursor:pointer;transition:border-color 160ms ease,background 160ms ease,transform 160ms ease}.portable-action-row button:hover,.portable-action-row a:hover{border-color:var(--accent);background:var(--surface);transform:translateY(-1px)}.portable-action-row button:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.portable-status{display:block;min-height:1.2em;margin-top:8px;color:var(--good);font-size:.78rem}
.portable-report{border-color:color-mix(in srgb,var(--warn) 45%,var(--border))!important}.portable-more{display:block}.portable-more summary{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:8px 12px;border:1px solid var(--border);border-radius:9px;background:var(--surface-muted);color:var(--ink);font:750 .8rem var(--sans);cursor:pointer;list-style:none}.portable-more summary::-webkit-details-marker{display:none}.portable-more summary::after{content:" +";margin-left:5px;color:var(--muted)}.portable-more[open]{flex-basis:100%}.portable-more[open] summary::after{content:" −"}.portable-more-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.portable-more summary:focus-visible,.portable-report:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.portable-dialog{max-width:min(480px,calc(100% - 28px));padding:24px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--ink);box-shadow:0 20px 60px rgba(15,23,42,.25)}.portable-dialog::backdrop{background:rgba(15,23,42,.48)}.portable-dialog h2{margin-top:0}.portable-dialog li+li{margin-top:8px}.portable-dialog button{min-height:44px;padding:8px 15px;border:0;border-radius:9px;background:var(--accent);color:#fff;font-weight:800}.result-tabs{display:flex;flex-wrap:wrap;gap:7px;margin:18px 0 12px}.result-tabs button{min-height:40px;padding:7px 12px;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--ink);font-weight:750;cursor:pointer}.result-tabs button[aria-selected="true"]{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}.result-panel[hidden]{display:none}.chart-shell{margin-top:12px;padding:14px;border:1px solid var(--border);border-radius:10px;background:var(--surface)}.chart-shell svg{display:block;width:100%;height:auto;max-height:360px}.chart-legend{display:flex;flex-wrap:wrap;gap:12px;margin-top:10px;color:var(--muted);font-size:.75rem}.chart-legend span{display:inline-flex;align-items:center;gap:5px}.chart-legend i{width:10px;height:10px;border-radius:3px}.reference-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(84px,1fr));gap:7px;margin-top:12px}.reference-cell{padding:10px;border:1px solid var(--border);border-radius:8px;background:var(--surface);text-align:center}.reference-cell strong,.reference-cell span{display:block}.reference-cell span{margin-top:3px;color:var(--muted);font:600 .75rem var(--mono)}.formula-steps{display:grid;gap:8px;margin-top:14px}.formula-step{display:grid;grid-template-columns:minmax(72px,.7fr) 1.3fr;gap:12px;padding:11px;border:1px solid var(--border);border-radius:8px;background:var(--surface)}.formula-step code{font-family:var(--mono);overflow-wrap:anywhere}.construction-visual{margin-top:16px;padding:16px;border:1px solid var(--border);border-radius:10px;background:var(--surface)}.construction-visual svg{display:block;width:100%;height:auto;max-height:340px}.subform-group{margin:16px 0 0;padding:15px;border:1px solid var(--border);border-radius:10px;background:var(--surface-muted)}.subform-group legend{padding:0 7px;font-weight:800;color:var(--ink)}
@media(max-width:640px){.portable-action-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.portable-action-row button,.portable-action-row a,.portable-more summary{width:100%}.portable-more{grid-column:1/-1}.portable-more-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.formula-step{grid-template-columns:1fr}.chart-shell{padding:8px}}
@media print{.portable-actions,.result-tabs{display:none!important}.result-panel[hidden]{display:block!important}}

/* BTK button sizing QA patch: consistent touch targets and balanced desktop CTAs */
.primary-action,.secondary-action,.growth-actions a,.growth-actions button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 16px;border-radius:12px;font-weight:850;line-height:1.15;text-decoration:none;white-space:normal;text-align:center}
.primary-action{background:var(--accent);color:#fff;border:1px solid var(--accent)}
.secondary-action{background:var(--surface);color:var(--accent);border:1px solid var(--border)}
.growth-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
@media(max-width:640px){.primary-action,.secondary-action,.growth-actions a,.growth-actions button{width:100%;min-height:48px;padding:12px 14px}.growth-actions{display:grid;grid-template-columns:1fr;gap:9px}.phase-actions button,.search-box button,.portable-action-row button,.portable-action-row a{min-height:48px}}

/* BTK Design OS Sprint 02: calculator premium polish */
.calculator-pad-card{position:relative;overflow:hidden}.calculator-pad-card::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:linear-gradient(90deg,var(--accent),var(--copper));opacity:.9}.calc-toolbar{padding-top:2px}.segmented{min-height:46px;align-items:center}.segmented button{min-height:38px!important;border-radius:9px!important}.segmented button.active{background:linear-gradient(180deg,var(--surface),color-mix(in srgb,var(--accent) 6%,var(--surface)))!important;border:1px solid color-mix(in srgb,var(--accent) 20%,var(--border))!important}.angle-button{min-height:44px!important;border-radius:11px!important}.calc-display{background:linear-gradient(145deg,var(--surface-muted),color-mix(in srgb,var(--accent) 4%,var(--surface)))!important;border-color:color-mix(in srgb,var(--accent) 16%,var(--border))!important}.calc-result{letter-spacing:-.055em}.calc-status{font-weight:700}.scientific-keys[hidden]{display:none!important}.scientific-mode .calc-display{border-left:4px solid var(--accent)}.calculator-side .card{border:1px solid var(--border);box-shadow:0 12px 30px rgba(23,35,60,.05)}.calc-guide dl div{min-height:34px;align-items:center;border-bottom:1px solid color-mix(in srgb,var(--border) 60%,transparent)}.calc-guide dl div:last-child{border-bottom:0}.history-entry{border-radius:10px!important}.calculator-method{background:linear-gradient(135deg,var(--surface),var(--surface-muted))}.method-grid>div{padding:12px;border:1px solid var(--border);border-radius:12px;background:var(--surface)}
@media(max-width:640px){.calc-toolbar{align-items:stretch;flex-direction:column}.segmented{display:grid;grid-template-columns:1fr 1fr;width:100%}.segmented button{min-height:44px!important}.angle-button{width:100%}.calc-display{text-align:left}.calc-expression,.calc-result,.calc-status{text-align:left!important}.basic-keys{grid-template-columns:repeat(4,1fr)}.basic-keys .key-equals{grid-row:auto;grid-column:span 2}.basic-keys .key-zero{grid-column:span 2}.scientific-keys{grid-template-columns:repeat(3,1fr)}.memory-row{grid-template-columns:repeat(4,1fr);gap:7px}.memory-row button,.scientific-keys button,.basic-keys button{min-height:52px!important}.calculator-method{padding:16px}.method-grid>div{padding:11px}}


/* BORINGTOOLSKIT_CALCULATOR_SIMPLE_SCIENTIFIC_TOGGLE_V1 */
.calculator-pad-card.simple-mode .basic-keys{grid-template-columns:repeat(4,1fr)}
.calculator-pad-card.simple-mode .basic-keys .key-equals{grid-row:auto;grid-column:span 2}
.calculator-pad-card.simple-mode .basic-keys .key-zero{grid-column:span 2}
.calculator-pad-card.simple-mode .basic-keys button{min-height:56px!important;font-size:1.05rem}
.calculator-pad-card.simple-mode .calc-display{border-left:4px solid color-mix(in srgb,var(--muted) 35%,var(--border))}
.scientific-only[hidden]{display:none!important}
.calculator-pad-card.scientific-mode .scientific-only{display:revert}
@media(max-width:640px){.calculator-pad-card.simple-mode .basic-keys{grid-template-columns:repeat(4,1fr)}.calculator-pad-card.simple-mode .basic-keys button{min-height:54px!important}}

/* BORINGTOOLSKIT_CALCULATOR_MODE_TOGGLE_TOUCH_TARGET_FIX_V1 */
.calculator-pad-card .segmented button.mode-button{min-height:44px!important;padding-block:9px!important}
.history-opt-in{display:flex;align-items:center;gap:8px;margin-top:14px;font-size:.86rem;font-weight:750}.history-opt-in input{width:18px;min-height:18px}.history-help{margin:7px 0 0;color:var(--muted);font-size:.76rem;line-height:1.45}.history-item{min-width:0;padding-bottom:9px;border-bottom:1px solid var(--border)}.history-item textarea{width:100%;min-height:48px;margin-top:5px;padding:7px 9px;font-size:.76rem;resize:vertical}.receipt-card dl{display:grid;gap:7px;margin:12px 0}.receipt-card dl div{display:grid;grid-template-columns:90px minmax(0,1fr);gap:8px}.receipt-card dt{color:var(--muted);font-size:.75rem}.receipt-card dd{min-width:0;margin:0;font-family:var(--mono);font-size:.78rem;overflow-wrap:anywhere}.receipt-card p{color:var(--muted);font-size:.76rem;line-height:1.45}.receipt-actions{display:flex;flex-wrap:wrap;gap:7px}.receipt-actions button{min-height:42px;padding:7px 10px;border:1px solid var(--border);border-radius:8px;background:var(--surface-muted);color:var(--ink);font-weight:750;cursor:pointer}
@media print{body.scientific-calculator-page *{visibility:hidden!important}body.scientific-calculator-page #calculation-receipt,body.scientific-calculator-page #calculation-receipt *{visibility:visible!important}body.scientific-calculator-page #calculation-receipt{position:absolute;inset:0 auto auto 0;width:100%;border:0!important;box-shadow:none!important}body.scientific-calculator-page .receipt-actions{display:none!important}}
@media(max-width:640px){.calculator-pad-card .segmented button.mode-button{min-height:46px!important}}

/* BORINGTOOLSKIT_CALCULATOR_MEMORY_TOUCH_TARGET_FIX_V1 */
.calculator-pad-card .memory-row{grid-template-columns:repeat(2,minmax(44px,1fr))}
.calculator-pad-card .memory-row button{min-width:44px!important;min-height:44px!important}
@media(min-width:520px){.calculator-pad-card .memory-row{grid-template-columns:repeat(4,minmax(44px,1fr))}}

/* BORINGTOOLSKIT_GENERAL_CALCULATOR_TYPICAL_EQUALS_POSITION_V1 */
.calculator-pad-card.simple-mode .basic-keys{
  grid-template-columns:repeat(4,minmax(0,1fr));
}
.calculator-pad-card.simple-mode .basic-keys .key-equals{
  grid-row:auto;
  grid-column:auto;
}
.calculator-pad-card.simple-mode .basic-keys .key-zero{
  grid-column:auto;
}
.calculator-pad-card.simple-mode .basic-keys [data-action="clear"]{order:1}
.calculator-pad-card.simple-mode .basic-keys [data-action="backspace"]{order:2}
.calculator-pad-card.simple-mode .basic-keys [data-insert="%"]{order:3}
.calculator-pad-card.simple-mode .basic-keys [data-insert="/"]{order:4}
.calculator-pad-card.simple-mode .basic-keys [data-insert="7"]{order:5}
.calculator-pad-card.simple-mode .basic-keys [data-insert="8"]{order:6}
.calculator-pad-card.simple-mode .basic-keys [data-insert="9"]{order:7}
.calculator-pad-card.simple-mode .basic-keys [data-insert="*"]{order:8}
.calculator-pad-card.simple-mode .basic-keys [data-insert="4"]{order:9}
.calculator-pad-card.simple-mode .basic-keys [data-insert="5"]{order:10}
.calculator-pad-card.simple-mode .basic-keys [data-insert="6"]{order:11}
.calculator-pad-card.simple-mode .basic-keys [data-insert="-"]{order:12}
.calculator-pad-card.simple-mode .basic-keys [data-insert="1"]{order:13}
.calculator-pad-card.simple-mode .basic-keys [data-insert="2"]{order:14}
.calculator-pad-card.simple-mode .basic-keys [data-insert="3"]{order:15}
.calculator-pad-card.simple-mode .basic-keys [data-insert="+"]{order:16}
.calculator-pad-card.simple-mode .basic-keys [data-insert="0"]{order:17}
.calculator-pad-card.simple-mode .basic-keys [data-insert="00"]{order:18}
.calculator-pad-card.simple-mode .basic-keys [data-insert="."]{order:19}
.calculator-pad-card.simple-mode .basic-keys [data-action="equals"]{order:20}

/* BORINGTOOLSKIT_SCIENTIFIC_CALCULATOR_TYPICAL_EQUALS_POSITION_V1 */
.calculator-pad-card.scientific-mode .basic-keys{
  grid-template-columns:repeat(5,minmax(0,1fr));
}
.calculator-pad-card.scientific-mode .basic-keys .key-equals{
  grid-row:auto;
  grid-column:5;
}
.calculator-pad-card.scientific-mode .basic-keys .key-zero{
  grid-column:auto;
}
.calculator-pad-card.scientific-mode .basic-keys [data-action="clear"]{order:1}
.calculator-pad-card.scientific-mode .basic-keys [data-action="backspace"]{order:2}
.calculator-pad-card.scientific-mode .basic-keys [data-insert="("]{order:3}
.calculator-pad-card.scientific-mode .basic-keys [data-insert=")"]{order:4}
.calculator-pad-card.scientific-mode .basic-keys [data-insert="/"]{order:5}
.calculator-pad-card.scientific-mode .basic-keys [data-insert="7"]{order:6}
.calculator-pad-card.scientific-mode .basic-keys [data-insert="8"]{order:7}
.calculator-pad-card.scientific-mode .basic-keys [data-insert="9"]{order:8}
.calculator-pad-card.scientific-mode .basic-keys [data-insert="*"]{order:9}
.calculator-pad-card.scientific-mode .basic-keys [data-insert="%"]{order:10}
.calculator-pad-card.scientific-mode .basic-keys [data-insert="4"]{order:11}
.calculator-pad-card.scientific-mode .basic-keys [data-insert="5"]{order:12}
.calculator-pad-card.scientific-mode .basic-keys [data-insert="6"]{order:13}
.calculator-pad-card.scientific-mode .basic-keys [data-insert="-"]{order:14}
.calculator-pad-card.scientific-mode .basic-keys [data-insert="^"]{order:15}
.calculator-pad-card.scientific-mode .basic-keys [data-insert="1"]{order:16}
.calculator-pad-card.scientific-mode .basic-keys [data-insert="2"]{order:17}
.calculator-pad-card.scientific-mode .basic-keys [data-insert="3"]{order:18}
.calculator-pad-card.scientific-mode .basic-keys [data-insert="+"]{order:19}
.calculator-pad-card.scientific-mode .basic-keys [data-insert="."]{order:20}
.calculator-pad-card.scientific-mode .basic-keys [data-insert="0"]{order:21}
.calculator-pad-card.scientific-mode .basic-keys [data-insert="00"]{order:22}
.calculator-pad-card.scientific-mode .basic-keys [data-action="equals"]{order:25}
@media(max-width:640px){
  .calculator-pad-card.scientific-mode .basic-keys{
    grid-template-columns:repeat(5,minmax(0,1fr));
    grid-auto-flow:row;
  }
  .calculator-pad-card.scientific-mode .basic-keys .key-equals{
    grid-column:5;
    grid-row:4 / span 2;
    min-height:111px!important;
  }
  .calculator-pad-card.scientific-mode .basic-keys .key-zero{
    grid-column:1 / span 2;
    grid-row:5;
  }
  .calculator-pad-card.scientific-mode .basic-keys [data-insert="."]{
    grid-column:3;
    grid-row:5;
  }
  .calculator-pad-card.scientific-mode .basic-keys [data-insert="00"]{
    grid-column:4;
    grid-row:5;
  }
}

/* BORINGTOOLSKIT_DEEP_REVIEW_MAX_BENEFIT_V1 */
.phase-button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:9px 14px;border:1px solid var(--border);border-radius:10px;background:var(--accent);color:#fff!important;text-decoration:none;font-weight:800}.phase-button.secondary{background:var(--surface-muted);color:var(--ink)!important}.phase-trust-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.phase-trust-grid article{padding:18px;border:1px solid var(--border);border-radius:14px;background:var(--surface)}.workflow-strip{border-left:4px solid var(--accent);padding-left:16px}

/* Intent Router + focused decision hierarchy */
.intent-primary-block,.intent-alternatives{display:grid;gap:8px}.intent-alternatives{margin-top:14px}.intent-kicker{margin:0;color:var(--muted);font-size:.72rem;font-weight:850;letter-spacing:.09em;text-transform:uppercase}.intent-primary{min-height:86px;padding:15px 17px;border:2px solid var(--accent);background:color-mix(in srgb,var(--accent) 7%,var(--surface));box-shadow:0 10px 26px color-mix(in srgb,var(--accent) 12%,transparent)}.intent-primary strong{font-size:1.04rem}.intent-alternative-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.intent-alternative{min-height:78px;align-items:flex-start}.intent-alternative small{line-height:1.35}.intent-alternative b{margin-top:2px}.decision-table{min-width:0}.decision-table th,.decision-table td{white-space:normal}.decision-table td{text-align:right}@media(max-width:760px){.intent-alternative-grid{grid-template-columns:1fr}.intent-primary,.intent-alternative{min-height:0}.decision-table{font-size:.76rem}.decision-table th,.decision-table td{padding:10px}.decision-table-scroll::before{display:none!important}}


/* BORINGTOOLSKIT_LOCAL_SCENARIO_WORKSPACE_V1 */
.btk-scenario-panel{margin:24px 0;border-color:rgba(37,99,235,.24);background:linear-gradient(135deg,color-mix(in srgb,var(--accent) 8%,var(--surface)),var(--surface));}
.btk-scenario-head{display:flex;justify-content:space-between;gap:18px;align-items:flex-start}.btk-scenario-head h2{margin:.1rem 0 .35rem}.btk-scenario-head p{margin:0;color:var(--muted)}
.btk-scenario-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}.btk-scenario-actions button,.btk-scenario-actions a{min-height:44px;border:1px solid var(--border);border-radius:10px;background:var(--surface);color:var(--accent);font:inherit;font-weight:750;padding:10px 13px;text-decoration:none;cursor:pointer}.btk-scenario-actions button:first-child{background:var(--accent);color:#fff;border-color:var(--accent)}
:root[data-theme="dark"] .btk-scenario-actions button:first-child{color:#0d1422!important}
.btk-scenario-preview{margin-top:10px}.btk-scenario-preview pre{white-space:pre-wrap;max-height:240px;overflow:auto;background:rgba(15,23,42,.06);border-radius:10px;padding:12px;font-size:.82rem}.scenario-workspace-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}.scenario-card{border:1px solid var(--border);border-radius:14px;background:var(--card);padding:16px}.scenario-card pre{white-space:pre-wrap;max-height:300px;overflow:auto;background:rgba(15,23,42,.06);padding:12px;border-radius:10px}.testcase-table{width:100%;border-collapse:collapse}.testcase-table th,.testcase-table td{border:1px solid var(--border);padding:10px;text-align:left;vertical-align:top}.correction-entry{border:1px solid var(--border);border-radius:12px;padding:14px;background:var(--card);margin:12px 0}
@media(max-width:640px){.btk-scenario-head{display:block}.btk-scenario-actions{display:grid;grid-template-columns:1fr}.btk-scenario-actions button,.btk-scenario-actions a{width:100%;text-align:center}}

/* Shared catalogue/resource/company footer */
.global-footer{width:min(100% - 32px,var(--content-width));margin:56px auto 0;padding:30px 0 26px;border-top:1px solid var(--border);color:var(--muted);font-size:.875rem}.global-footer-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.global-footer nav{display:flex;flex-direction:column;align-items:flex-start;gap:2px}.global-footer strong{margin-bottom:8px;color:var(--ink);font-size:.8rem;letter-spacing:.07em;text-transform:uppercase}.global-footer a{display:inline-flex;align-items:center;min-height:44px;color:var(--muted)!important;text-decoration:none;font-weight:700}.global-footer a:hover{color:var(--accent)!important;text-decoration:underline;text-underline-offset:4px}.global-footer>p{margin:24px 0 0;padding-top:18px;border-top:1px solid var(--border)}
@media(max-width:640px){.global-footer{width:min(100% - 24px,var(--content-width));margin-top:42px}.global-footer-grid{grid-template-columns:1fr 1fr;gap:24px 18px}.global-footer-grid nav:last-child{grid-column:1/-1}.global-footer a{min-height:44px}}

/* Clear example values without changing source defaults; refresh restores them. */
.preset-clear-actions{display:flex;align-items:center;gap:var(--space-2);margin-top:var(--space-3);padding-top:var(--space-3);border-top:1px solid var(--border)}
.preset-clear-button{min-height:44px}

/* BORINGTOOLSKIT_HOME_WORKFLOW_CARDS_V1 */
.workflow-panel{margin-top:24px;padding:clamp(20px,3vw,30px);border:1px solid var(--border);border-radius:18px;background:linear-gradient(135deg,color-mix(in srgb,var(--accent) 5%,var(--surface)),var(--surface));box-shadow:0 14px 34px rgba(23,35,60,.06)}
.workflow-intro{display:grid;grid-template-columns:minmax(0,.72fr) minmax(280px,1.28fr);column-gap:28px;align-items:end;margin-bottom:20px}.workflow-intro .eyebrow{grid-column:1/-1;margin:0 0 6px}.workflow-intro h2{margin:0;font-size:clamp(1.35rem,2.5vw,1.85rem)}.workflow-intro>p:last-child{margin:0;color:var(--muted);line-height:1.6}
.workflow-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.workflow-card{min-width:0;padding:18px;border:1px solid var(--border);border-radius:14px;background:var(--surface)}.workflow-card-head{display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:start;margin-bottom:14px}.workflow-number{display:grid;place-items:center;width:36px;height:36px;border-radius:10px;background:var(--accent-soft);color:var(--accent);font:800 .78rem var(--mono)}.workflow-card h3{margin:1px 0 4px;font-size:1.05rem}.workflow-card-head p{margin:0;color:var(--muted);font-size:.84rem;line-height:1.45}.workflow-steps{display:grid;gap:7px;margin:0;padding:0;list-style:none;counter-reset:workflow-step}.workflow-steps li{counter-increment:workflow-step}.workflow-steps a{position:relative;display:grid;grid-template-columns:1fr auto;gap:3px 12px;align-items:center;min-height:58px;padding:9px 34px 9px 12px;border:1px solid color-mix(in srgb,var(--border) 75%,transparent);border-radius:10px;background:var(--surface-muted);color:var(--ink);text-decoration:none;transition:border-color 160ms ease,background 160ms ease,transform 160ms ease}.workflow-steps a::after{content:'→';position:absolute;right:12px;color:var(--accent);font-weight:850}.workflow-steps a:hover{transform:translateY(-1px);border-color:var(--accent);background:var(--surface)}.workflow-steps a:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.workflow-steps span{font-size:.86rem;font-weight:800}.workflow-steps small{grid-column:1;color:var(--muted);font-size:.72rem;line-height:1.35}
@media(max-width:760px){.workflow-panel{margin-top:20px;padding:18px}.workflow-intro{display:block;margin-bottom:16px}.workflow-intro h2{margin-bottom:7px}.workflow-grid{grid-template-columns:1fr}.workflow-card{padding:15px}.workflow-steps a{min-height:60px}.workflow-steps span{font-size:.9rem}.workflow-steps small{font-size:.75rem}}

/* PRIVATE_EMAIL_PREVIEW_TESTER_V1 */
.email-preview-inputs .field-count{display:block;margin-top:5px;color:var(--muted);font:700 .72rem var(--mono)}.optional-label{color:var(--muted);font-weight:600}.email-preview-shell{display:grid;gap:18px}.email-preview-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.email-preview-head h2{margin:.2rem 0 .35rem}.email-preview-head p{margin:0;color:var(--muted);max-width:62ch}.email-preview-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.email-preview-actions button{min-height:42px}.email-preview-status:empty{display:none}.email-preview-status:not(:empty){padding:10px 12px;border-radius:10px;background:var(--accent-soft);color:var(--ink);font-weight:700}.email-preview-warnings h3{margin:0 0 8px;font-size:1rem}.email-preview-warnings .trust-list{margin:0}.email-preview-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.email-client-card{min-width:0;border:1px solid var(--border);border-radius:14px;background:var(--surface);padding:14px;box-shadow:var(--shadow)}.email-client-top{display:flex;justify-content:space-between;gap:12px;padding-bottom:9px;border-bottom:1px solid var(--border);font-size:.8rem}.email-variant{color:var(--accent);font-weight:800}.email-client-from,.email-client-subject,.email-client-preheader{min-width:0;overflow:hidden;white-space:nowrap;text-overflow:clip}.email-client-from{margin:11px 0 3px;color:var(--ink);font-size:.82rem;font-weight:800}.email-client-subject{margin:0;color:var(--ink);font-size:.92rem;font-weight:750}.email-client-preheader{margin:3px 0 0;color:var(--muted);font-size:.82rem}.email-truncation-note{display:inline-block;margin-top:10px;padding:4px 7px;border-radius:999px;background:var(--surface-muted);color:var(--copper);font-size:.68rem;font-weight:800}.coi-panel{border-left:4px solid var(--accent);padding-left:16px}
@media(max-width:720px){.email-preview-head{display:block}.email-preview-actions{justify-content:flex-start;margin-top:14px}.email-preview-grid{grid-template-columns:1fr}.email-preview-actions button{flex:1}.email-client-card{padding:13px}}