:root{--bg:#f7f8f5;--surface:#fff;--ink:#172e2a;--muted:#5e6d67;--line:#dce3dd;--green:#16624b;--green-hover:#104e3c;--soft:#e9f1eb;--red:#9f2929;--radius:14px}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif}button,textarea,select{font:inherit}button,a,summary,select{touch-action:manipulation}button,summary,select{cursor:pointer}button{border:0;transition:background 160ms ease,color 160ms ease}button:disabled{opacity:.45;cursor:not-allowed}button:focus-visible,a:focus-visible,summary:focus-visible,select:focus-visible{outline:3px solid var(--green);outline-offset:3px}textarea:focus-visible{outline:2px solid var(--green);outline-offset:-2px}a{color:inherit;text-decoration:none}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip{position:fixed;top:-70px;left:16px;background:var(--green);color:#fff;padding:12px 20px;z-index:5}.skip:focus{top:10px}.muted{color:var(--muted);font-weight:400}
.topbar{max-width:1600px;margin:auto;height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 36px;border-bottom:1px solid var(--line)}.brand{display:flex;gap:12px;align-items:center;font-size:19px;font-weight:650;letter-spacing:-.5px}.brand-light{font-weight:400;color:var(--muted)}.brand-mark{display:flex;align-items:center;justify-content:center;background:var(--green);color:#fff;width:36px;height:36px;border-radius:10px;font:24px/1 Georgia,serif}.brand-mark span{font-size:15px;margin-top:9px}.local-tag{font-size:12px;display:flex;align-items:center;gap:8px;color:var(--muted)}.dot{width:7px;height:7px;background:var(--green);border-radius:50%}
main{max-width:1600px;margin:auto;padding:36px 36px 0}.intro{display:flex;justify-content:space-between;align-items:center;gap:32px;margin-bottom:28px}.eyebrow{font-size:10px;font-weight:650;letter-spacing:1.8px;color:var(--green);margin:0 0 10px}h1{font-size:clamp(28px,2.9vw,42px);letter-spacing:-1.4px;line-height:1.2;font-weight:550;margin:0 0 12px}h1 span{color:var(--muted)}.lead{color:var(--muted);margin:0;font-size:14px}.context{display:flex;flex-direction:column;align-items:flex-end;gap:8px;flex-shrink:0;font-size:11px;color:var(--muted)}.connection{color:var(--green);background:var(--soft);padding:4px 9px;border-radius:5px}.connection.error{color:var(--red);background:#fceeee}
.source-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.editor-head{display:flex;gap:12px;align-items:center;justify-content:space-between;padding:8px 18px;border-bottom:1px solid var(--line);min-height:58px}.editor-head h2{font-size:13px;font-weight:600;display:flex;align-items:center;gap:9px;margin:0}.language-code{font:10px/1.4 ui-monospace,SFMono-Regular,monospace;color:var(--muted);border:1px solid var(--line);padding:3px 5px;border-radius:4px}.text-button{background:transparent;color:var(--green);font-size:12px;min-height:44px;padding:8px;border-radius:6px;white-space:nowrap}.text-button:hover:enabled{background:var(--soft)}#source{display:block;width:100%;min-height:142px;height:142px;padding:18px 22px;border:0;resize:vertical;font-size:16px;line-height:1.8;color:var(--ink);background:var(--surface);border-radius:0}#source::placeholder{color:#737e77;font-size:15px}.editor-foot{display:flex;gap:8px;align-items:center;justify-content:space-between;padding:0 14px 0 22px;min-height:44px;color:var(--muted);font-size:11px;border-top:1px solid var(--line)}
.action-row{display:flex;gap:24px;align-items:center;justify-content:space-between;padding:18px 0}.target-control,.submit-control{display:flex;align-items:center;gap:16px}.control-label{font-size:12px;color:var(--muted)}.language-tabs{display:flex;gap:2px;background:#eaf0e9;padding:3px;border-radius:9px}.language-tabs button{background:transparent;color:var(--muted);font-size:12px;min-height:38px;border-radius:6px;padding:6px 14px}.language-tabs button[aria-pressed=true]{background:var(--green);color:#fff}.submit-control p{font-size:11px;color:var(--muted);margin:0}.primary{display:flex;align-items:center;justify-content:center;gap:14px;min-width:230px;min-height:48px;padding:12px 20px;border-radius:9px;background:var(--green);color:#fff;font-weight:550;font-size:14px}.primary:hover:enabled{background:var(--green-hover)}.arrow{font-size:20px;line-height:1}.spinner{width:16px;height:16px;border:2px solid #ffffff55;border-top-color:#fff;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}#notice{font-size:13px;padding:12px 16px;background:var(--soft);border-radius:8px;color:var(--green);margin:18px 0 0}#notice.error{color:var(--red);background:#fceeee}#notice.warning{color:#805019;background:#fff4dd}
.settings{border:1px solid var(--line);border-radius:9px;overflow:hidden;background:var(--surface)}.settings summary{font-size:12px;padding:12px 18px;min-height:44px;font-weight:550}.settings summary span{font-size:11px;font-weight:400;color:var(--muted);margin-left:14px}.settings[open] summary{border-bottom:1px solid var(--line)}.settings-content{padding:22px;display:grid;grid-template-columns:2fr 1fr;gap:28px}.settings label{display:block;font-size:12px;font-weight:600;margin-bottom:10px}.settings textarea{width:100%;border:1px solid var(--line);padding:12px;color:var(--ink);border-radius:8px;background:var(--bg);font-size:14px;line-height:1.7;resize:vertical}.settings p{font-size:12px;color:var(--muted);margin:8px 0}.settings select{max-width:100%;width:100%;min-height:44px;border:1px solid var(--line);border-radius:8px;padding:8px;color:var(--ink);background:var(--bg);font-size:12px}
.comparison{margin-top:28px}.comparison-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px}.comparison-title{display:flex;align-items:center;gap:10px}.comparison-title h2{font-size:17px;font-weight:600;letter-spacing:-.3px;margin:0}.language-badge{font-size:10px;background:var(--soft);color:var(--green);padding:3px 8px;border-radius:5px}.comparison-heading p{font-size:12px;color:var(--muted);margin:5px 0 0}.comparison-tools{display:flex;align-items:center;gap:12px;flex-shrink:0}.comparison-tools>span{font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums}.provider-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.provider-card{--provider:#a97728;min-width:0;border:1px solid var(--line);border-top:3px solid var(--provider);border-radius:var(--radius);background:var(--surface);display:flex;flex-direction:column;overflow:hidden}.provider-card[data-provider=anthropic]{--provider:#b37b65}.provider-card[data-provider=qwen]{--provider:#7862aa}.provider-card[data-provider=openai]{--provider:#4c8579}.provider-head{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:16px 16px 10px}.provider-head h3{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:600;margin:0}.provider-number{font:10px ui-monospace,SFMono-Regular,monospace;color:var(--provider)}.card-status{font-size:10px;color:var(--muted);white-space:nowrap}.provider-card[data-state=pending] .card-status{color:var(--green)}.provider-card[data-state=done] .card-status{color:var(--green)}.provider-card[data-state=error] .card-status{color:var(--red)}.provider-card[data-state=incomplete] .card-status{color:#805019}.model-control{padding:0 16px 12px;border-bottom:1px solid var(--line)}.model-select{width:100%;min-width:0;min-height:44px;border:1px solid var(--line);border-radius:7px;background:var(--bg);color:var(--ink);font-size:12px;font-weight:550;padding:8px}.model-details{display:flex;justify-content:space-between;gap:5px;margin-top:7px;font-size:10px;color:var(--muted)}
.result-body{display:flex;flex-direction:column;flex:1;min-height:300px}.empty-result{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:28px 18px;text-align:center;background:#fdfefc}.empty-mark{font:italic 35px Georgia,serif;color:#a6b9aa;margin-bottom:4px}.empty-title{font-size:13px;color:var(--muted);margin:8px 0}.empty-hint{font-size:11px;color:var(--muted)}.provider-card[data-state=pending] .empty-mark{font:inherit;width:22px;height:22px;border:2px solid var(--line);border-top-color:var(--green);border-radius:50%;animation:spin 1s linear infinite;margin-bottom:13px}.translation{display:block;width:100%;flex:1;min-height:300px;height:300px;border:0;resize:vertical;padding:18px 16px;color:var(--ink);background:var(--surface);font-size:15px;line-height:1.8;overflow-wrap:anywhere}.card-error{font-size:13px;line-height:1.7;color:var(--red);background:#fff8f7;flex:1;padding:22px 18px;margin:0;overflow-wrap:anywhere}.card-warning{font-size:11px;background:#fff4dd;color:#805019;padding:10px 16px;margin:0}.card-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:4px;padding:12px 16px;background:#fbfcfa;border-top:1px solid var(--line)}.card-metrics div{display:flex;flex-direction:column;gap:4px;min-width:0}.card-metrics span{font-size:9px;color:var(--muted)}.card-metrics strong{font-size:16px;font-weight:500;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.result-foot{display:flex;align-items:center;justify-content:space-between;gap:6px;padding:4px 8px 4px 16px;min-height:54px;border-top:1px solid var(--line)}.result-caption{font-size:10px;line-height:1.5;color:var(--muted);min-width:0;overflow-wrap:anywhere}.result-foot .text-button{font-size:11px}
.history{margin-top:30px}.history-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.history-heading h2{font-size:14px;font-weight:550;margin:0}.history-heading>span{font-size:12px;color:var(--muted)}#history-list{display:flex;flex-direction:column;gap:8px}.history-item{display:flex;justify-content:space-between;gap:16px;text-align:left;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:12px 16px;min-height:48px;color:var(--ink);font-size:13px}.history-item:hover:enabled{border-color:var(--green)}.history-item>span:first-child{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.history-item>span:last-child{color:var(--muted);font-size:11px;white-space:nowrap}footer{padding:26px 0;display:flex;justify-content:space-between;gap:16px;color:var(--muted);font-size:11px;margin-top:28px;border-top:1px solid var(--line)}
@media(max-width:1150px){.provider-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.submit-control{flex-direction:column-reverse;gap:5px;align-items:flex-end}.intro{gap:20px}h1{max-width:650px}.result-body,.translation{min-height:270px}.translation{height:270px}}
@media(max-width:760px){.topbar{padding:0 24px}main{padding:28px 24px 0}.intro{align-items:flex-start;flex-direction:column;gap:16px;margin-bottom:22px}.context{flex-direction:row;align-items:center;gap:12px}.action-row{gap:14px}.target-control{flex-direction:column;align-items:flex-start;gap:5px}.comparison-heading{align-items:flex-start;flex-direction:column;gap:8px}.comparison-tools{width:100%;justify-content:space-between}.comparison{margin-top:24px}.settings-content{gap:18px}}
@media(max-width:560px){.topbar{height:66px;padding:0 16px}.brand{font-size:16px}.brand-mark{width:32px;height:32px}.local-tag{font-size:0;gap:0}.dot{width:8px;height:8px}main{padding:26px 16px 0}h1{font-size:33px;letter-spacing:-1.2px}h1 span{display:block}.lead{font-size:13px}.eyebrow{font-size:9px}.context{font-size:10px}.editor-head{padding:6px 10px 6px 16px}.editor-head h2{font-size:12px;gap:7px}.editor-head .muted{display:none}#source{height:168px;min-height:168px;padding:16px;font-size:15px}.editor-foot{padding-left:16px}.action-row{flex-direction:column;align-items:stretch;gap:14px}.target-control{flex-direction:row;align-items:center;justify-content:space-between}.submit-control{align-items:stretch}.submit-control p{text-align:center}.primary{width:100%}.provider-grid{grid-template-columns:1fr;gap:16px}.provider-head{padding-top:18px}.result-body,.translation{min-height:230px}.translation{height:230px}.card-metrics span{font-size:10px}.card-metrics strong{font-size:18px}.settings summary span{display:none}.settings-content{grid-template-columns:1fr;padding:16px;gap:20px}.history-item{flex-direction:column;align-items:flex-start;gap:6px}.history-item>span:first-child{max-width:100%}.history-item>span:last-child{white-space:normal}.history-heading>span{font-size:10px}footer{flex-direction:column;gap:6px;padding:22px 0}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}
#comparison-heading{scroll-margin-top:16px}
.routing-notice{font-size:12px;color:#805019;background:#fff4dd;padding:10px 14px;border-radius:8px;margin:0 0 16px}
#source,.translation{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:14px;line-height:1.8}
.provider-card[data-provider=none]{--provider:#9aa69f}.provider-card[data-state=skipped] .empty-result{background:var(--bg)}
.view-tabs{display:flex;gap:4px;padding:6px 12px;border-bottom:1px solid var(--line);background:#fbfcfa}.view-tabs button{min-height:36px;padding:6px 10px;border-radius:6px;background:transparent;color:var(--muted);font-size:11px}.view-tabs button[aria-pressed=true]{background:var(--soft);color:var(--green);font-weight:600}.view-tabs button:hover{background:var(--soft)}
.translation-preview{display:block;flex:1;width:100%;min-height:300px;height:300px;border:0;background:var(--surface)}
.preview-document{margin:0;padding:16px;background:#fff;color:#172e2a;font:15px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;overflow-wrap:anywhere}.preview-document h1,.preview-document h2,.preview-document h3,.preview-document h4,.preview-document h5,.preview-document h6{line-height:1.35;letter-spacing:0;font-weight:650;margin:1em 0 .6em}.preview-document h1{font-size:24px}.preview-document h2{font-size:21px}.preview-document h3{font-size:18px}.preview-document h4,.preview-document h5,.preview-document h6{font-size:16px}.preview-document>:first-child{margin-top:0}.preview-document p{margin:0 0 1em}.preview-document ul,.preview-document ol{padding-left:22px;margin:.6em 0 1em}.preview-document blockquote{margin:1em 0;padding-left:14px;border-left:3px solid #b9cdc0;color:#5e6d67}.preview-document a{color:#16624b;text-decoration:underline;cursor:default;pointer-events:none}.preview-document pre{white-space:pre-wrap;background:#f7f8f5;padding:12px;border-radius:6px}.preview-document pre,.preview-document code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:13px}.preview-document table{width:100%;border-collapse:collapse;font-size:13px;margin:1em 0}.preview-document td,.preview-document th{border:1px solid #dce3dd;padding:6px;text-align:left}.preview-document th{background:#f7f8f5}.preview-document figure{margin:1em 0}.preview-document .preview-image{display:block;font-size:12px;color:#5e6d67;font-style:italic;margin:8px 0}
@media(max-width:1150px){.translation-preview{min-height:270px;height:270px}}
@media(max-width:560px){.translation-preview{min-height:230px;height:230px}}