@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,300&display=swap");[data-app=units]{--primary:199 89% 48%;--primary-foreground:0 0% 100%;--primary-hover:199 89% 40%;--accent:199 89% 48%;--accent-foreground:0 0% 100%;--background:0 0% 100%;--foreground:220 13% 10%;--card:0 0% 100%;--card-foreground:220 13% 10%;--popover:0 0% 100%;--popover-foreground:220 13% 10%;--secondary:210 20% 97%;--secondary-foreground:220 13% 20%;--muted:220 13% 96%;--muted-foreground:220 9% 46%;--border:220 13% 91%;--input:220 13% 91%;--ring:199 89% 48%;--destructive:0 84% 60%;--destructive-foreground:0 0% 100%;--radius:0.625rem;--font-sans:"Inter",system-ui,sans-serif;--font-display:"Inter",system-ui,sans-serif}.dark [data-app=units],[data-app=units].dark{--background:220 13% 6%;--foreground:0 0% 95%;--card:220 13% 8%;--card-foreground:0 0% 95%;--popover:220 13% 8%;--popover-foreground:0 0% 95%;--secondary:220 13% 10%;--secondary-foreground:0 0% 92%;--muted:220 13% 15%;--muted-foreground:220 9% 65%;--border:220 13% 20%;--input:220 13% 20%}[data-app=units]{font-family:var(--font-sans)}[data-app=units] .font-display{font-family:var(--font-display)!important}[data-app=units] .section-eyebrow{font-size:.6875rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:hsl(var(--primary));display:block}[data-app=units] .form-card{background:hsl(var(--card));border:1.5px solid hsl(var(--border));border-radius:calc(var(--radius) * 2);padding:clamp(1.5rem,4vw,2.5rem);position:relative;overflow:hidden;box-shadow:0 2px 12px hsl(220 13% 10%/.06)}[data-app=units] .form-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:hsl(var(--primary));border-radius:calc(var(--radius) * 2) calc(var(--radius) * 2) 0 0}[data-app=units] .category-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(100px,1fr));gap:.75rem}[data-app=units] .category-card{display:flex;flex-direction:column;align-items:center;gap:.5rem;padding:.875rem .5rem;border:1.5px solid hsl(var(--border));border-radius:var(--radius);background:hsl(var(--card));cursor:pointer;transition:border-color .15s ease,background .15s ease,box-shadow .15s ease,transform .1s ease;font-family:var(--font-sans)}[data-app=units] .category-card:hover{border-color:hsl(var(--primary));background:hsl(var(--primary)/.04);transform:translateY(-1px)}[data-app=units] .category-card.active{border-color:hsl(var(--primary));background:hsl(var(--primary));color:hsl(var(--primary-foreground));box-shadow:0 2px 8px hsl(var(--primary)/.3)}[data-app=units] .category-icon{color:hsl(var(--muted-foreground));transition:color .15s ease}[data-app=units] .category-card.active .category-icon{color:hsl(var(--primary-foreground))}[data-app=units] .category-name{font-size:.75rem;font-weight:600;letter-spacing:.01em}[data-app=units] .calc-input{width:100%;background:hsl(var(--background));border:1.5px solid hsl(var(--border));border-radius:var(--radius);padding:.75rem 1rem;font-family:var(--font-sans);font-size:1.125rem;font-weight:500;color:hsl(var(--foreground));outline:none;transition:border-color .18s ease,box-shadow .18s ease;-moz-appearance:textfield;appearance:textfield}[data-app=units] .calc-input::-webkit-inner-spin-button,[data-app=units] .calc-input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}[data-app=units] .calc-input:focus{border-color:hsl(var(--primary));box-shadow:0 0 0 3px hsl(var(--primary)/.12)}[data-app=units] .unit-select{width:100%;background:hsl(var(--background));border:1.5px solid hsl(var(--border));border-radius:var(--radius);padding:.5rem .75rem;font-family:var(--font-sans);font-size:.875rem;color:hsl(var(--foreground));outline:none;cursor:pointer;margin-bottom:.75rem;transition:border-color .15s ease;appearance:auto}[data-app=units] .unit-select:focus{border-color:hsl(var(--primary))}[data-app=units] .conversion-row{display:grid;grid-template-columns:1fr auto 1fr;gap:1rem;align-items:end}@media (max-width:600px){[data-app=units] .conversion-row{grid-template-columns:1fr;gap:.75rem}}[data-app=units] .conversion-side{min-width:0}[data-app=units] .conversion-input{font-size:1.25rem;font-weight:600;text-align:center}[data-app=units] .swap-btn{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;border:1.5px solid hsl(var(--border));background:hsl(var(--card));color:hsl(var(--muted-foreground));cursor:pointer;transition:border-color .15s ease,color .15s ease,transform .15s ease;flex-shrink:0;align-self:center;margin-top:1rem}[data-app=units] .swap-btn:hover{border-color:hsl(var(--primary));color:hsl(var(--primary));transform:rotate(180deg)}[data-app=units] .result-display{display:flex;align-items:baseline;justify-content:center;gap:.5rem;padding:.75rem 1rem;background:hsl(var(--primary)/.06);border:1.5px solid hsl(var(--primary)/.2);border-radius:var(--radius);min-height:52px}[data-app=units] .result-value{font-size:1.25rem;font-weight:700;color:hsl(var(--primary));font-variant-numeric:tabular-nums}[data-app=units] .result-unit{font-size:.875rem;font-weight:500;color:hsl(var(--muted-foreground))}[data-app=units] .formula-text{text-align:center;margin-top:1rem;font-size:.875rem;color:hsl(var(--muted-foreground));font-weight:400}[data-app=units] .quick-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:.75rem}[data-app=units] .quick-card{padding:1rem 1.25rem;border:1.5px solid hsl(var(--border));border-radius:var(--radius);background:hsl(var(--card));cursor:pointer;text-align:left;transition:border-color .15s ease,box-shadow .15s ease,transform .1s ease;width:100%;font-family:var(--font-sans)}[data-app=units] .quick-card:hover{border-color:hsl(var(--primary));box-shadow:0 2px 8px hsl(var(--primary)/.1);transform:translateY(-1px)}[data-app=units] .quick-label{font-size:.8125rem;font-weight:600;color:hsl(var(--foreground));margin-bottom:.25rem}[data-app=units] .quick-result{font-size:.75rem;color:hsl(var(--primary));font-weight:500;font-variant-numeric:tabular-nums;margin:0}[data-app=units] .clear-btn{font-size:.75rem;font-weight:600;color:hsl(var(--muted-foreground));background:none;border:none;cursor:pointer;text-decoration:underline;transition:color .15s ease}[data-app=units] .clear-btn:hover{color:hsl(var(--destructive))}[data-app=units] .history-list{display:flex;flex-direction:column;gap:.25rem}[data-app=units] .history-row{display:flex;align-items:center;gap:.5rem;padding:.5rem .75rem;background:hsl(var(--muted));border-radius:4px;font-size:.8125rem}[data-app=units] .history-value{font-weight:500;color:hsl(var(--foreground))}[data-app=units] .history-arrow{color:hsl(var(--muted-foreground))}[data-app=units] .history-result{font-weight:600;color:hsl(var(--primary))}@keyframes fadeInUp{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}[data-app=units] .animate-fade-in-up{animation:fadeInUp .55s cubic-bezier(.22,1,.36,1) both}[data-app=units] .animate-fade-in{animation:fadeIn .4s ease-out both}[data-app=units] .delay-50{animation-delay:50ms}[data-app=units] .delay-100{animation-delay:.1s}[data-app=units] .delay-150{animation-delay:.15s}[data-app=units] .delay-200{animation-delay:.2s}[data-app=units] .delay-250{animation-delay:.25s}[data-app=units] .delay-300{animation-delay:.3s}[data-app=units] .delay-350{animation-delay:.35s}[data-app=units] .delay-400{animation-delay:.4s}[data-app=units] .delay-500{animation-delay:.5s}@media (prefers-reduced-motion:reduce){[data-app=units] .animate-fade-in,[data-app=units] .animate-fade-in-up{animation:none!important;opacity:1!important;transform:none!important}}[data-app=units] header{border-bottom:1.5px solid hsl(var(--border));background:hsl(var(--background)/.95);backdrop-filter:blur(12px)}[data-app=units] header a.brand-link{font-family:var(--font-display);font-weight:700;font-size:1.0625rem}