.units-page{--unit-ink:#173645;--unit-green:#176854;--unit-border:#ccd8d9;color:var(--unit-ink)}
.unit-hero{padding-top:34px;padding-bottom:30px}.unit-hero h1{font-size:clamp(2rem,4vw,3.5rem);line-height:1.12;margin:12px 0 16px;max-width:900px}.unit-hero .lead{max-width:760px;font-size:1.1rem}.unit-meta{display:flex;gap:18px;flex-wrap:wrap;font-size:.85rem;color:#46636b;margin-top:20px}
.unit-workspace{display:grid;grid-template-columns:245px minmax(0,1fr);gap:36px;padding-bottom:28px}.unit-categories{padding-right:24px;border-right:1px solid var(--unit-border);align-self:start}.units-page label{display:block;font-size:.875rem;font-weight:650;margin-bottom:7px}.units-page input,.units-page select,.units-page textarea{width:100%;max-width:100%;box-sizing:border-box;border:1px solid #a9bdc0;border-radius:7px;padding:11px 12px;font:inherit;min-height:44px;color:var(--unit-ink);background:#fff}.units-page :is(input,select,textarea,button,summary):focus-visible{outline:3px solid #257cba;outline-offset:3px}.units-page button{cursor:pointer}.units-page button:disabled{cursor:not-allowed;opacity:.6}.units-page [hidden]{display:none!important}
#quantity-list{max-height:540px;overflow-y:auto;margin-top:14px;padding:3px}.unit-category-group{margin:15px 0 4px;font-size:.7rem;font-weight:750;text-transform:uppercase;letter-spacing:.08em;color:#52666b}.unit-category{display:block;border:0;background:transparent;color:var(--unit-ink);padding:9px 10px;text-align:left;width:100%;font:inherit;font-size:.88rem;border-radius:6px;min-height:40px}.unit-category:hover{background:#edf4f2}.unit-category[aria-pressed=true]{background:#dbeee7;font-weight:700;box-shadow:inset 3px 0 var(--unit-green)}
.unit-topline{display:flex;gap:16px;align-items:center;justify-content:space-between;margin-bottom:22px}.unit-topline h2{font-size:1.5rem;margin:0}.unit-badge{font-size:.65rem;letter-spacing:.07em;white-space:nowrap;background:#e6f3ed;color:#1e624d;padding:5px 8px;border-radius:4px}#unit-value{font-size:1.45rem;font-variant-numeric:tabular-nums}.unit-small{font-size:.78rem;line-height:1.5;color:#536970;margin:8px 0 12px}.unit-pair{display:grid;grid-template-columns:minmax(0,1fr) 44px minmax(0,1fr);gap:12px;align-items:end}.unit-button{min-height:44px;border:1px solid #9bb5b8;padding:9px 16px;border-radius:7px;background:white;color:var(--unit-ink);font:inherit;font-size:.85rem;font-weight:650}.unit-button:hover{background:#eff6f3}.unit-button.primary{color:#fff;background:var(--unit-green);border-color:var(--unit-green)}.unit-button.swap{font-size:1.5rem;padding:5px}.unit-presets{display:flex;gap:7px;flex-wrap:wrap;margin:12px 0 18px}.unit-presets button{background:#f2f5f3;border:1px solid #d6e0dc;border-radius:30px;padding:6px 12px;min-height:36px;font:inherit;font-size:.76rem;color:#345b54}
.unit-answer{background:#edf5f1;border-left:4px solid var(--unit-green);border-radius:9px;padding:22px 24px;margin:20px 0 16px}.unit-answer p{margin-top:0;font-size:.88rem}#conversion-result{font-size:clamp(1.65rem,3vw,2.6rem);font-weight:700;line-height:1.3;display:block;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}.unit-result-actions{display:flex;justify-content:space-between;align-items:center;gap:15px;flex-wrap:wrap;margin-top:18px}.unit-result-actions label{display:flex;gap:10px;align-items:center;font-size:.8rem;margin:0}.unit-result-actions select{width:75px;min-height:40px;padding:7px 9px}.unit-answer #unit-feedback{margin:10px 0 0;min-height:1.3em}.unit-error{background:#fff0ed;color:#9a271e;padding:10px 14px;border-left:3px solid #a52d21;font-size:.88rem}.unit-note{font-size:.85rem;line-height:1.65;color:#435e65}
.unit-details{border-top:1px solid var(--unit-border);padding:16px 0;font-size:.88rem;line-height:1.6}.unit-details summary{cursor:pointer;font-weight:700;min-height:30px;padding:3px 0}.unit-details summary:hover{color:var(--unit-green)}.unit-details[open] summary{margin-bottom:14px}.unit-details a,.unit-bottom a{color:#166954;text-decoration:underline;text-underline-offset:3px}.unit-formula{font-family:ui-monospace,monospace;background:#f2f5f6;padding:12px;overflow-wrap:anywhere}.unit-table-scroll{overflow:auto;max-height:360px;margin-top:14px}.unit-details table{border-collapse:collapse;width:100%;font-size:.82rem;text-align:left}.unit-details th,.unit-details td{padding:9px 12px;border-bottom:1px solid #d7e0df;overflow-wrap:anywhere}.unit-details th{background:#edf3f0;position:sticky;top:0}.unit-details caption{text-align:left;color:#526970;font-size:.76rem;padding-bottom:8px}.unit-details td:last-child{font-variant-numeric:tabular-nums}.unit-row-error{color:#952b22}.unit-batch-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:12px}.unit-bottom{border-top:1px solid var(--unit-border);padding-top:28px;padding-bottom:48px}.unit-bottom h2{font-size:1.35rem}.unit-bottom p{max-width:820px;font-size:.95rem;line-height:1.75}
@media(max-width:900px){.unit-workspace{grid-template-columns:200px minmax(0,1fr);gap:20px}.unit-categories{padding-right:15px}.unit-topline{display:block}.unit-badge{display:inline-block;margin-top:10px}}
@media(max-width:680px){.unit-hero{padding-top:20px}.unit-workspace{display:block}.unit-categories{border:0;padding:0;margin-bottom:24px}#quantity-list{max-height:155px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:3px}.unit-category-group{grid-column:1/-1}.unit-category{font-size:.8rem}.unit-pair{grid-template-columns:1fr 44px;gap:10px}.unit-pair>div:last-child{grid-column:1/-1}.unit-answer{padding:18px 16px}.unit-hero .lead{font-size:1rem}.unit-meta{gap:8px}.unit-result-actions{gap:12px}.unit-table-scroll{max-width:100%}}