/* Shared identity, with task-specific working surfaces. */
body[data-category]{--accent:#2855ec;--surface:#eef3ff;--deep:#172d58;--edge:#cfdaef;background:#f7f9fc}
body[data-category] .site-header,body[data-category] footer{background:#fff}
body[data-category] .tool-intro{padding:24px 0 22px;max-width:none}
body[data-category] .tool-intro h1{font-size:clamp(1.9rem,3.3vw,2.7rem);letter-spacing:-.045em;margin:14px 0 12px}
body[data-category] .tool-intro .lead{max-width:770px;font-size:1rem;line-height:1.7}
body[data-category] .category-label{color:var(--accent);background:var(--surface);border:1px solid var(--edge);border-radius:7px}
body[data-category] .calculator{background:white;border-color:var(--edge);box-shadow:0 14px 36px #172d5808;grid-template-columns:minmax(0,1.12fr) minmax(0,1fr)}
body[data-category] .calculator>*{min-width:0}
body[data-category] .button{background:var(--accent);border-color:var(--accent)}
body[data-category] .field input,body[data-category] .field select{font-variant-numeric:tabular-nums;font-size:1.05rem;min-height:54px}
body[data-category] .field input:focus,body[data-category] .field select:focus,body[data-category] .field textarea:focus{outline:3px solid var(--edge);outline-offset:2px;border-color:var(--accent)}
body[data-category] .result-panel{background:var(--surface)}
body[data-category] .result-value{color:var(--accent);font-size:clamp(2.25rem,4vw,3.6rem);letter-spacing:-.045em}
body[data-category] .result-details{border-color:var(--edge)}
body[data-category] .result-details>div{min-width:0;gap:18px;line-height:1.6}
body[data-category] .result-details dd{min-width:0;font-variant-numeric:tabular-nums}
body[data-category] .result-panel>.eyebrow{color:var(--accent);font-size:.8rem;letter-spacing:.12em}
body[data-category] .result-actions button{border-color:var(--edge);background:#fff;color:var(--accent);font-size:.875rem}
body[data-category] .result-note,body[data-category] .result-footnote{font-size:.875rem}
body[data-category] .tool-content{gap:48px;grid-template-columns:minmax(0,1.65fr) minmax(0,1fr)}
body[data-category] .related{background:#fff;border-color:var(--edge)}
body[data-category] .example-box{border-color:var(--accent);background:var(--surface)}
body[data-category] .chart-card{background:#fff;border-color:var(--edge)}
body[data-category] .section.category-page{padding-top:32px}
body[data-category] .category-page>.tool-icon{background:var(--accent);color:white;width:58px;height:58px;border-radius:16px}
body[data-category] .category-page>.tool-grid{border-top:1px solid var(--edge);padding-top:28px}
body[data-category] .category-page .tool-card{border-color:var(--edge)}
body[data-category] .category-page .tool-card:hover{border-color:var(--accent);box-shadow:0 8px 22px #172d5810}
body[data-category] .category-page .tool-icon{background:var(--surface);color:var(--accent)}
.workspace-meta{display:flex;gap:12px 22px;flex-wrap:wrap;margin-top:18px;font-size:.875rem;color:#52627a}
.workspace-meta span{display:inline-flex;align-items:center;gap:7px}
.workspace-meta .icon{width:16px;height:16px;color:var(--accent)}
.workspace-number{display:inline-grid;place-items:center;min-width:26px;height:26px;font-size:.75rem;border:1px solid var(--edge);color:var(--accent);border-radius:6px;margin-right:9px;vertical-align:middle}
.currency-pair-heading{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:18px;font-size:.875rem;color:#456358}
.swap-currencies{border:1px solid var(--edge);border-radius:24px;min-height:44px;padding:9px 16px;background:#fff;color:var(--accent);display:inline-flex;align-items:center;gap:8px;font-weight:650}
.swap-currencies:hover{background:var(--surface)}
.swap-currencies:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
/* Finance: a precise statement, with a dark outcome column. */
body[data-category=finance]{--accent:#11634e;--surface:#edf6f2;--deep:#102c2b;--edge:#c9dfd5;background:#f4f7f6}
body[data-category=finance] .calculator{border-radius:18px;grid-template-columns:minmax(0,1.08fr) minmax(0,1fr)}
body[data-category=finance] .result-panel{background:var(--deep);color:#fff;padding:36px}
body[data-category=finance] .result-panel p,body[data-category=finance] .result-details dt{color:#c0d7d0}
body[data-category=finance] .result-value,body[data-category=finance] .result-details dd{color:#fff}
body[data-category=finance] .result-panel>.eyebrow{color:#9de4c6}
body[data-category=finance] .result-unit{color:#afe2d0}
body[data-category=finance] .result-details{border-color:#3b5c54}
body[data-category=finance] .result-details>div{padding:8px 0;border-bottom:1px solid #2c4942}
body[data-category=finance] .result-actions button{background:#1e413a;border-color:#56766b;color:#e5fff2}
body[data-category=finance] .field:has(#field-amount){grid-column:1/-1}
body[data-category=finance] #field-amount{font-size:1.9rem;font-weight:650;min-height:76px;letter-spacing:-.04em;background:#f7faf8}
body[data-category=finance] .chart-card polyline{stroke:#16755a}
/* Business: a compact metric dashboard with comparison tiles. */
body[data-category=business]{--accent:#4237a4;--surface:#f0effb;--edge:#d9d4ef;--deep:#252448;background:#f7f7fb}
body[data-category=business] .calculator{border-radius:12px;border-top:4px solid var(--accent)}
body[data-category=business] .result-panel{background:#fff;border-left:1px solid var(--edge)}
body[data-category=business] .result-details{grid-template-columns:repeat(2,minmax(0,1fr));border:0;padding:0;gap:12px}
body[data-category=business] .result-details>div{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--edge);border-radius:10px;padding:16px;gap:8px}
body[data-category=business] .result-details dd{text-align:left;font-size:1.25rem;color:var(--accent)}
body[data-category=business] .result-value{border-bottom:1px solid var(--edge);padding-bottom:20px;margin-bottom:24px}
/* Math: squared paper, strong expression typography and numbered steps. */
body[data-category=math]{--accent:#234994;--surface:#edf3fc;--edge:#cbd9ee;background:#f6f8fc}
body[data-category=math] .calculator{border-radius:5px;box-shadow:5px 5px 0 #dfe7f4}
body[data-category=math] .result-panel{background-color:#f4f7fd;background-image:linear-gradient(#dce5f366 1px,transparent 1px),linear-gradient(90deg,#dce5f366 1px,transparent 1px);background-size:24px 24px;border-left:1px solid var(--edge)}
body[data-category=math] .result-value{font-family:ui-monospace,Consolas,monospace;font-weight:600;letter-spacing:-.04em}
body[data-category=math] .field input,body[data-category=math] .field select{border-radius:4px;font-family:ui-monospace,Consolas,monospace}
body[data-category=math] .example-box{border-radius:0;border-left-width:4px}
/* Health: spacious inputs and restrained screening results, without status gauges. */
body[data-category=health]{--accent:#0b656a;--surface:#eaf6f6;--edge:#bedee0;background:#f6fafb}
body[data-category=health] .calculator{border-radius:24px;box-shadow:none;padding:10px;gap:10px}
body[data-category=health] .result-panel{border-radius:17px}
body[data-category=health] .field input{min-height:60px}
body[data-category=health] .result-details>div{display:block;background:white;border:1px solid var(--edge);padding:14px 18px;border-radius:12px}
body[data-category=health] .result-details dd{text-align:left;margin-top:6px}
body[data-category=health] .result-note{padding-top:12px;border-top:1px solid var(--edge)}
/* Date and time: a range workspace with a clear duration summary. */
body[data-category="date-time"]{--accent:#8b421d;--surface:#fff4e9;--edge:#ebd4c0;background:#fcfaf7}
body[data-category="date-time"] .calculator{border-radius:14px;border-top:5px solid #b06b36}
body[data-category="date-time"] .field input[type=date]{font-size:1.1rem;border-top:4px solid #b06b36;min-height:64px;background:#fffcf9}
body[data-category="date-time"] .result-panel{background:#fffaf4;border-left:1px solid var(--edge)}
body[data-category="date-time"] .result-details>div{background:white;border:1px solid var(--edge);padding:14px;border-radius:8px}
body[data-category="date-time"] .result-value{font-weight:650}
/* Converters: a compact horizontal input-to-output bench. */
body[data-category=converters]{--accent:#075b88;--surface:#eaf5fc;--edge:#c5ddeb;background:#f5f9fc}
body[data-category=converters] .calculator{border-radius:12px;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr)}
body[data-category=converters] .field-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
body[data-category=converters] .field:has(input){grid-column:1/-1}
body[data-category=converters] .field input{font-size:1.65rem;background:#f7fbfe}
body[data-category=converters] .result-panel{justify-content:center;border-left:1px solid var(--edge)}
body[data-category=converters] .result-actions{margin-top:16px}
/* Text: paired editor panes with a toolbar and readable, selectable output. */
body[data-category=text]{--accent:#44499a;--surface:#f1f2fb;--edge:#d4d7e9;background:#f6f7fa}
body[data-category=text] .calculator{border-radius:12px;grid-template-columns:minmax(0,1fr) minmax(0,1fr);box-shadow:0 5px 20px #1f285508}
body[data-category=text] .calculator form{padding:24px}
body[data-category=text] .form-heading{padding-bottom:18px;border-bottom:1px solid var(--edge)}
body[data-category=text] .field textarea{min-height:190px;line-height:1.8;font-family:ui-monospace,Consolas,monospace;font-size:.9375rem;background:#fcfcff}
body[data-category=text] .result-panel{background:#fff;border-left:1px solid var(--edge);padding:24px}
body[data-category=text] .result-panel>.eyebrow{padding-bottom:20px;border-bottom:1px solid var(--edge);margin-bottom:22px}
body[data-category=text] .result-value.text-result{min-height:180px;max-height:520px;margin:12px 0;background:#f7f8fc;border:1px solid var(--edge);font-family:ui-monospace,Consolas,monospace;font-size:.9375rem;color:#27304b;letter-spacing:0}
body[data-category=text] .result-details{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border:0;gap:10px}
body[data-category=text] .result-details>div{flex-direction:column;gap:4px;padding:14px;background:var(--surface);border-radius:8px}
body[data-category=text] .result-details dd{text-align:left}
/* Random: a central result stage, separated from generation settings. */
body[data-category=random]{--accent:#6c359c;--surface:#f5eefb;--edge:#dfccee;background:#faf7fc}
body[data-category=random] .calculator{max-width:940px;margin-inline:auto;border-radius:20px;grid-template-columns:1fr}
body[data-category=random] .calculator form{padding:28px 32px;background:#fff}
body[data-category=random] .result-panel{background:#281c3c;color:white;align-items:center;text-align:center;padding:32px}
body[data-category=random] .result-panel>.eyebrow{color:#dfbafa}
body[data-category=random] .result-panel p{color:#dacfe7}
body[data-category=random] #result{width:100%;min-width:0}
body[data-category=random] .result-value{color:#fff;font-size:clamp(2rem,5vw,4rem)}
body[data-category=random] .result-value.text-result{font-size:1.15rem;background:#39294d;color:#fff;border:1px solid #72558c;min-height:70px}
body[data-category=random] .result-details{border-color:#715883}
body[data-category=random] .result-details dt,body[data-category=random] .result-details dd{color:#e7dcee}
body[data-category=random] .result-actions{margin-top:8px;justify-content:center}
body[data-category=random] .result-actions button{background:#40285b;color:#fff;border-color:#9070aa}
@media(max-width:900px){body[data-category] .tool-content{gap:28px;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr)}body[data-category] .calculator form,body[data-category] .result-panel{padding:24px}}
@media(max-width:760px){body[data-category] .calculator{grid-template-columns:1fr}body[data-category] .tool-content{grid-template-columns:1fr}body[data-category] .result-panel{border-left:0;border-top:1px solid var(--edge);min-height:240px}body[data-category] .tool-intro{padding-block:20px}body[data-category] .tool-intro h1{font-size:2rem}.workspace-meta{gap:8px 14px;font-size:.8125rem}body[data-category] .result-value{font-size:2.5rem}body[data-category=health] .calculator{padding:7px}body[data-category=text] .field textarea{min-height:170px}body[data-category=random] .result-panel{min-height:200px}}
@media(max-width:420px){body[data-category] .calculator form,body[data-category] .result-panel{padding:20px}body[data-category] .result-details>div{gap:8px}body[data-category=business] .result-details,body[data-category=text] .result-details{grid-template-columns:1fr}body[data-category=converters] .field-grid{grid-template-columns:1fr}.workspace-meta span{line-height:1.5}.currency-pair-heading{align-items:flex-start;flex-direction:column}body[data-category] .form-heading{align-items:flex-start}body[data-category] .result-value{font-size:2.25rem}}