@charset "UTF-8";
:root{font-family:Inter,"Helvetica Neue",Arial,"PingFang TC","Noto Sans TC",sans-serif;color:#253b39;background:#f5f7f7;font-synthesis:none;--teal:#147d70;--ink:#142c2b;--muted:#71817f;--line:#e0e7e5;--mono:"SFMono-Regular",Consolas,"Liberation Mono",monospace}
*{box-sizing:border-box}body{margin:0;font-size:16px}button,input,textarea{font:inherit}button,a,input,label{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.45}a{color:inherit;text-decoration:none}button{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:3px solid #43b4a2;outline-offset:4px}[hidden]{display:none!important}svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.5}button{border:0;background:none}h1,h2,h3,p{margin:0}.sidebar{width:232px;background:var(--ink);color:#e8f1ee;position:fixed;inset:0 auto 0 0;display:flex;flex-direction:column;padding:38px 23px 26px}.brand{display:flex;gap:13px;align-items:center;font-size:29px;font-weight:750;letter-spacing:-1px}.brand-light{font-weight:400;color:#b1ceca}.brand small{display:block;font:12px var(--mono);letter-spacing:1.1px;color:#91b1ad;margin-top:8px}.brand-mark{display:flex;align-items:center;justify-content:center;width:40px;height:42px;border:1px solid #5b8b83;border-radius:12px 3px 12px 3px;font-size:27px;letter-spacing:-4px;padding-right:4px;color:#8cdbca;font-weight:500}.brand-mark span{color:#dae9cc}.sidebar nav{margin-top:55px}.nav-link{display:flex;gap:12px;align-items:center;padding:13px 14px;border-radius:7px;font-size:14px;color:#b6c8c4;min-height:46px}.nav-link:hover{background:#203d3a}.nav-count{margin-left:auto;font:12px var(--mono);color:#8cafaa}.nav-group{font-size:12px;letter-spacing:1.3px;color:#88a29d;margin:33px 14px 12px}.nav-group span{font:12px var(--mono);margin-left:6px}.nav-link.active{background:#2c4e46;color:#d9f2d9;box-shadow:inset 2px 0 #bbe0af}.nav-arrow{margin-left:auto;color:#c6e1b0}.nav-description{margin:24px 15px;color:#859f99;font-size:13px;line-height:1.9}.sidebar-bottom{margin-top:auto;padding-top:22px;border-top:1px solid 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14px;background:transparent;border:0;outline-offset:-3px!important;font:12px/1.9 var(--mono);color:#4a6553;overflow-wrap:anywhere;display:block}textarea::placeholder{color:#9bab9d}.sequence-footer{display:flex;justify-content:space-between;gap:10px;padding:10px 13px;border-top:1px dashed #e3e8e1;font:12px var(--mono);color:#8c9c8f}.sequence-footer span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:75%}.swap-button{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:1;background:#fff;border:1px solid #dbe5df;color:#7f9c85;border-radius:50%;height:30px;width:30px;display:grid;place-items:center;font-size:16px;padding:0}.swap-button:hover{color:#127c64;border-color:#127c64}.input-note{font-size:12px;color:#88978b;padding:12px 23px 19px}.settings-panel{margin-top:14px}.settings-main{display:flex;gap:24px;align-items:center;padding:18px 23px}.mode-options{border:0;padding:0;margin:0;display:flex;gap:24px}.mode-options 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22px;border-radius:5px;font-size:13px;min-height:44px;white-space:nowrap;box-shadow:0 3px 6px #1e533f0d}.primary-button:hover{background:#154e3b}.primary-button span{margin-left:26px}.secondary-button{border:1px solid #dce5dc;border-radius:5px;padding:8px 11px;font-size:12px;background:#fff;min-height:33px;white-space:nowrap}.secondary-button:hover:not(:disabled){background:#f3f7f1}#error{padding:14px 18px;background:#fff0e9;color:#a34c29;border:1px solid #f0d1bf;border-radius:6px;font-size:13px;margin:-10px 0 24px}.results-panel{margin-bottom:26px}.results-panel .panel-heading{border-bottom:1px solid #e7ede6}.badge{font-size:12px;background:#eff5e9;color:#718658;padding:4px 6px;border-radius:3px;font-weight:400}.empty-state{text-align:center;padding:33px 20px 40px;color:#839180}.empty-sequence{font:15px/1.15 var(--mono);color:#729173;display:inline-block;margin-bottom:17px;text-align:left;letter-spacing:3px}.empty-sequence span{color:#b6c7af}.empty-sequence 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@media(min-width:1550px){main{padding-top:47px}.sequence-box textarea{height:160px}.page-heading{margin-bottom:36px}}
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@media(max-width:800px){.sidebar{position:static;width:100%;padding:16px 22px;display:flex;flex-direction:row;align-items:center;justify-content:space-between;gap:12px}.brand{font-size:23px;gap:9px}.brand-mark{height:34px;width:33px;font-size:23px}.brand small{font-size:12px;margin-top:5px}.sidebar nav{margin:0;display:flex;gap:5px}.nav-link{padding:9px 10px;font-size:14px;gap:7px;min-height:40px}.nav-group,.nav-description,.sidebar-bottom,.nav-arrow,.nav-count{display:none}.workspace{margin:0}.topbar{height:52px;padding:0 22px;font-size:14px}main{padding:27px 22px 0}.page-heading{margin-bottom:25px}.eyebrow{font-size:12px}h1{font-size:36px}.title-zh{font-size:22px}.subtitle{font-size:13px}.help-button{font-size:12px}.settings-main{flex-wrap:wrap}.mode-options{gap:22px}.advanced-button{margin-left:auto}.residue{width:13px}.metrics{padding:20px}.metric{padding-left:16px}.metric-value{font-size:25px}}
@media(max-width:550px){.sidebar{padding:15px 16px}.nav-link{font-size:12px;padding:9px}.nav-link svg{width:16px}.brand small{font-size:12px;letter-spacing:.9px}.brand-mark{width:31px}.topbar{padding:0 18px;height:46px}.topbar span:not(.version){margin:0 8px}main{padding:25px 15px 0}.page-heading{align-items:flex-end;gap:8px}.eyebrow{font-size:12px;letter-spacing:1.5px;margin-bottom:9px}h1{font-size:36px}.title-zh{font-size:19px;margin-left:5px;letter-spacing:0}.subtitle{font-size:12px;margin-top:10px}.help-button{font-size:12px;white-space:nowrap;gap:5px;margin-bottom:-6px}.help-button>span{width:15px;height:15px}.panel-heading{padding:17px 16px}.panel-heading h2,.settings-panel h2{font-size:13px;gap:8px}.step{font-size:12px;padding:3px 4px}.input-actions{gap:9px}.text-button{font-size:12px;min-height:36px}.type-row{margin:0 16px 16px;gap:12px}.field-label{font-size:12px}.segmented span{font-size:12px;padding:7px 16px}.format-hint{display:none}.sequence-grid{grid-template-columns:1fr;gap:19px;margin:0 16px}.sequence-heading label{font-size:14px}.english{display:inline;font-size:12px}.sequence-heading{padding:12px 12px 0}textarea{height:112px;font-size:14px;line-height:1.8}.sequence-footer{font-size:12px}.file-button{font-size:12px;min-height:32px}.swap-button{top:50%;width:31px;height:31px;font-size:19px;transform:translate(-50%,-50%) rotate(90deg)}.input-note{padding:13px 16px 17px;line-height:1.7;font-size:12px}.settings-main{padding:17px 16px;gap:16px}.settings-main h2{width:100%;padding-right:100px}.mode-options{width:100%;gap:25px}.mode-options label{gap:5px}.mode-options strong{font-size:14px}.mode-options em{font-size:12px}.settings-panel{position:relative}.advanced-button{position:absolute;right:16px;top:10px}#advanced{padding:0 16px 17px}.score-fields{grid-template-columns:1fr 1fr}.run-row{margin:17px 0 22px;gap:9px;flex-wrap:wrap}.run-row p{font-size:12px;flex:1;min-width:145px;line-height:1.7}.primary-button{padding:12px 16px;font-size:14px}.primary-button span{margin-left:17px}.result-actions{gap:12px}.result-actions .text-button{font-size:12px}.secondary-button{font-size:12px;padding:8px}.results-panel .panel-heading{flex-wrap:wrap;gap:8px}.metrics{grid-template-columns:1fr 1fr;gap:21px 0;padding:21px 16px}.metric{padding-left:21px}.metric:nth-child(3){padding:0;border:0}.metric-value{font-size:27px}.metric-label,.metric-detail{font-size:12px}.alignment-toolbar{padding:12px 16px;flex-wrap:wrap;gap:10px;font-size:12px}.legend{font-size:12px;gap:14px}.alignment{padding:16px}.residue{width:13px}.result-footnote{padding:0 16px 17px;line-height:1.8;font-size:12px}.empty-state{padding:32px 16px}footer{font-size:12px;padding-bottom:22px}.footer-slash{margin:0 4px}.badge{font-size:12px}.tool-card{width:100%}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* Readable working text and touch targets. */
textarea{font-size:14px}.field-label,.sequence-heading label,.mode-options strong,.segmented span,.text-button,.primary-button{font-size:14px}.file-button{font-size:12px;min-height:40px}.sequence-footer,.metric-label,.metric-detail,.result-footnote{font-size:12px}.input-note,.run-row p{font-size:12px}.brand small{font-size:9px}.nav-group span{font-size:10px}.sidebar-bottom small{font-size:11px}.settings-panel h2{flex:none}.settings-main{flex-wrap:wrap}.mode-options label{min-height:40px}.run-row p{line-height:1.6}.result-footnote{overflow-wrap:anywhere}.score-fields label{line-height:1.6}.english{display:none}
@media(max-width:550px){.brand small{font-size:7px}.nav-link{font-size:12px}.segmented span{padding:7px 12px}.type-row{gap:10px}.field-label{font-size:12px}.settings-main{gap:12px}.mode-options{gap:16px}.mode-options strong{font-size:13px}.mode-options small{font-size:12px}.primary-button{font-size:13px}.panel-heading{padding:16px}.subtitle{font-size:13px;max-width:240px;line-height:1.6}.help-button{font-size:12px}.page-heading{align-items:center}.metric{padding-left:16px}.metric-label{font-size:11px}.result-actions{gap:12px}.run-row p{min-width:150px}.brand-mark{flex-shrink:0}.nav-link svg{display:none}.sidebar nav{flex-shrink:0}.alignment-toolbar{font-size:11px}.legend{font-size:12px}footer{font-size:11px;line-height:1.8}}