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var(--border-input);background:var(--surface);cursor:pointer;text-align:left;width:100%;color:var(--text);border-radius:8px;outline:none;align-items:center;gap:11px;padding:11px 14px;font-family:Montserrat,sans-serif;transition:border .15s,background .15s,box-shadow .15s;display:flex}.cat-trigger:hover{border-color:var(--accent);background:var(--accent-bg)}.cat-trigger:focus-visible,.cat-dd.open .cat-trigger{border-color:var(--accent);box-shadow:0 0 0 2px #36bdb52e}.cat-trigger .cat-icon,.cat-item .cat-icon{color:var(--text-subtle);flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.cat-trigger .cat-icon,.cat-trigger .cat-icon svg{width:18px;height:18px}.cat-item .cat-icon,.cat-item .cat-icon svg{width:17px;height:17px}.cat-trigger .cat-text,.cat-item .cat-text{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.cat-trigger .cat-label{color:var(--text);font-size:13px;font-weight:500;line-height:1.2}.cat-trigger .cat-hint,.cat-item 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.875rem;display:flex}.ref-label{color:var(--text-muted);font-size:12px;font-weight:400;line-height:1.3}.ref-value{color:var(--text);text-align:right;font-variant-numeric:tabular-nums;flex-shrink:0;font-size:13px;font-weight:500}.meta-grid{grid-template-columns:1fr 1fr;gap:5px;margin-bottom:1rem;display:grid}.meta-cell{background:var(--surface-2);border:1px solid var(--border);border-radius:6px;padding:9px 11px}.meta-lbl{color:var(--text-subtle);letter-spacing:.08em;text-transform:uppercase;margin-bottom:3px;font-size:9px;font-weight:500}.meta-name{color:var(--text);margin-bottom:2px;font-size:12px;font-weight:500}.meta-note{color:var(--text-muted);font-size:11px;font-weight:300;line-height:1.5}.type-pill{border-radius:3px;margin-top:4px;padding:2px 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.875rem}.scale-count{font-size:19px}.scale-name{font-size:11.5px}.ref-item{gap:10px;padding:.65rem .875rem}.ref-label{font-size:11.5px;line-height:1.35}.ref-value{font-size:12px}.uc-footer{gap:6px}}@media (width<=480px){.uc{max-width:100%;padding:1rem .875rem 2rem}.uc-header{margin-bottom:.75rem;padding-bottom:.625rem}.units-row{grid-template-columns:1fr 40px 1fr;column-gap:8px}.swap-col{height:44px}.swap-btn{width:40px;height:40px}.meta-grid{grid-template-columns:1fr}.hero h1{letter-spacing:-.02em;font-size:22px;line-height:1.15}.hero p{font-size:13.5px;line-height:1.5}.f-num{padding:11px 12px;font-size:20px}.f-sel{padding:11px 12px;font-size:14px}.answer-bar{gap:8px;padding:.875rem .9rem}.answer-num{font-size:26px}.answer-unit{font-size:12px}.cat-trigger{gap:10px;padding:10px 12px}.cat-trigger .cat-label{font-size:13.5px}.cat-trigger .cat-hint{font-size:10.5px}.cat-menu{max-height:60vh}.cat-item{padding:9px 10px}.scale-item{padding:.65rem .8rem}.scale-top{margin-bottom:5px}.scale-count{font-size:18px}.scale-count-label{font-size:9.5px}.bar-track{margin-top:11px}.uc-footer{flex-direction:column;align-items:flex-start;padding-top:.75rem}.answer-mini{gap:10px;padding:8px 14px}.answer-mini-num{font-size:14.5px}.answer-mini-left{max-width:55%;font-size:10.5px}body:before{width:480px;height:480px;top:-160px;right:-160px}}@media (width<=380px){.uc{padding:.875rem .75rem 2rem}.hero h1{font-size:20px}.hero p{font-size:13px}.conv-card-title{font-size:8.5px}.conv-card-cat{font-size:10.5px}.f-num{padding:10px 11px;font-size:19px}.f-sel{padding:10px 11px;font-size:13.5px}.answer-num{font-size:24px}.scale-count{font-size:17px}}body{background-image:linear-gradient(#0f172a09 1px,#0000 1px),linear-gradient(90deg,#0f172a09 1px,#0000 1px),linear-gradient(#0f172a04 1px,#0000 1px),linear-gradient(90deg,#0f172a04 1px,#0000 1px);background-size:48px 48px,48px 48px,8px 8px,8px 8px;background-attachment:fixed}[data-theme=dark] body{background-image:linear-gradient(#e2e8f007 1px,#0000 1px),linear-gradient(90deg,#e2e8f007 1px,#0000 1px),linear-gradient(#e2e8f003 1px,#0000 1px),linear-gradient(90deg,#e2e8f003 1px,#0000 1px)}.bar-track:before{content:"";border-radius:inherit;pointer-events:none;background-image:linear-gradient(90deg,#0000 24.7%,#0f172a21 24.7% 25.3%,#0000 25.3%),linear-gradient(90deg,#0000 49.7%,#0f172a21 49.7% 50.3%,#0000 50.3%),linear-gradient(90deg,#0000 74.7%,#0f172a21 74.7% 75.3%,#0000 75.3%);position:absolute;inset:0}[data-theme=dark] .bar-track:before{background-image:linear-gradient(90deg,#0000 24.7%,#e2e8f029 24.7% 25.3%,#0000 25.3%),linear-gradient(90deg,#0000 49.7%,#e2e8f029 49.7% 50.3%,#0000 50.3%),linear-gradient(90deg,#0000 74.7%,#e2e8f029 74.7% 75.3%,#0000 75.3%)}.answer-actions{flex-direction:column;flex-shrink:0;align-items:flex-end;gap:8px;display:flex}.precision{border:1px solid var(--header-border);border-radius:6px;gap:2px;padding:2px;display:flex}.prec-btn{color:var(--header-text-muted);cursor:pointer;white-space:nowrap;background:0 0;border:0;border-radius:4px;padding:3px 8px;font-family:Montserrat,sans-serif;font-size:9.5px;font-weight:500;transition:all .15s}.prec-btn:hover,.prec-btn.active{background:var(--header-hover);color:var(--header-text)}.all-units{margin-bottom:1rem}.all-units-toggle{border:1px solid var(--border-strong);background:var(--surface);width:100%;color:var(--text-muted);cursor:pointer;text-align:left;border-radius:7px;align-items:center;gap:8px;padding:10px 13px;font-family:Montserrat,sans-serif;font-size:12px;font-weight:400;transition:border-color .15s,background .15s;display:flex}.all-units-toggle:hover{border-color:var(--accent);background:var(--accent-bg);color:var(--text)}.all-units-toggle:focus-visible{border-color:var(--accent);outline:none;box-shadow:0 0 0 2px #36bdb52e}.all-chevron{border-right:1.5px solid var(--text-subtle);border-bottom:1.5px solid var(--text-subtle);flex-shrink:0;width:8px;height:8px;transition:transform .2s;transform:rotate(-45deg)}.all-chevron.open{transform:rotate(45deg)}.all-units-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:5px;margin-top:6px;display:grid}.all-unit-cell{border:1px solid var(--border);background:var(--surface-2);border-radius:6px;flex-direction:column;gap:2px;padding:8px 11px;display:flex}.all-unit-cell.highlight{border-color:var(--accent);background:var(--accent-bg)}.all-unit-val{color:var(--text);font-variant-numeric:tabular-nums;overflow-wrap:anywhere;font-size:14px;font-weight:500}.all-unit-name{color:var(--text-muted);font-size:10px;font-weight:300}.history-panel{margin-bottom:1rem}.history-head{justify-content:space-between;align-items:center;gap:8px;display:flex}.history-head .link-btn{color:var(--text-subtle);cursor:pointer;background:0 0;border:0;padding:0;font-family:Montserrat,sans-serif;font-size:10px;font-weight:400;transition:color .15s}.history-head .link-btn:hover{color:var(--accent)}.history-items{flex-direction:column;gap:4px;display:flex}.history-item{border:1px solid var(--border);background:var(--surface);cursor:pointer;text-align:left;border-radius:6px;justify-content:space-between;align-items:center;gap:10px;width:100%;padding:8px 12px;font-family:Montserrat,sans-serif;transition:border-color .15s,background .15s;display:flex}.history-item:hover{border-color:var(--accent);background:var(--accent-bg)}.history-item:focus-visible{border-color:var(--accent);outline:none;box-shadow:0 0 0 2px #36bdb52e}.history-conv{color:var(--text-soft);font-variant-numeric:tabular-nums;text-overflow:ellipsis;white-space:nowrap;min-width:0;font-size:12px;font-weight:400;overflow:hidden}.history-cat{color:var(--text-subtle);flex-shrink:0;font-size:10px;font-weight:300}.methodology-dialog{border:1px solid var(--border-strong);background:var(--surface);max-width:420px;color:var(--text);border-radius:10px;padding:1.25rem 1.375rem;font-family:Montserrat,sans-serif}.methodology-dialog::backdrop{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#0a142373}.methodology-dialog h2{margin-bottom:10px;font-size:15px;font-weight:500}.methodology-dialog p{color:var(--text-muted);margin-bottom:10px;font-size:12.5px;font-weight:300;line-height:1.6}.dialog-close{border:1px solid var(--border-input);background:var(--surface);color:var(--text-soft);cursor:pointer;border-radius:6px;padding:7px 16px;font-family:Montserrat,sans-serif;font-size:11px;font-weight:500;transition:all .15s}.dialog-close:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-bg)}.swap-btn:focus-visible,.copy-btn:focus-visible,.theme-toggle:focus-visible,.prec-btn:focus-visible,.link-btn:focus-visible{outline:none;box-shadow:0 0 0 2px #36bdb573}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}.bp-particles{display:none}}.bp-particles{pointer-events:none;z-index:0;position:fixed;inset:0;overflow:hidden}.bp-particles span{background:var(--accent);opacity:0;border-radius:50%;animation:linear infinite bp-drift;position:absolute}[data-theme=dark] .bp-particles span{background:var(--accent-strong,var(--accent))}@keyframes bp-drift{0%{opacity:0;transform:translate(0)}18%{opacity:.11}82%{opacity:.11}to{opacity:0;transform:translate(34vw,-18vh)}}