:root{color-scheme:dark;font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans",sans-serif;background:#101a2c;color:#f6f8fc;font-synthesis:none}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at top,#1c2e49,#101a2c 70%)}#test-app{max-width:1000px;margin:auto;padding:24px 20px calc(32px + env(safe-area-inset-bottom))}h1{font-size:25px;margin:18px 0 8px}h2{font-size:20px}h3{font-size:16px}p{line-height:1.7}a{color:#a2e5d3}button,input,select,textarea{font:inherit}button,select,input[type=file]{min-height:44px}button{cursor:pointer;border:1px solid #61758d;border-radius:10px;padding:10px 14px;background:#20354e;color:#f6f8fc}button.primary,button[aria-selected=true]{background:#d4f1e9;color:#123532;border-color:#d4f1e9}button:disabled{opacity:.45;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #a2e5d3;outline-offset:3px}.top,.actions,.tabs,.filters{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.top{justify-content:space-between}.tabs{margin:22px 0;gap:6px}.tabs button{flex:1 0 140px;font-size:13px}.card{border:1px solid #40516b;background:#142236;border-radius:14px;padding:16px;margin:14px 0}.note{font-size:12px;color:#b8c7db}.notice{border-left:3px solid #e4bf75;padding:10px 14px;background:#51422635}.status{color:#9ce0d3;overflow-wrap:anywhere}.error{color:#ffb4bc}.muted{color:#b8c7db}.file-title{font-weight:600;overflow-wrap:anywhere}.file-card summary{min-height:44px;cursor:pointer;line-height:1.7}.labels{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:5px;margin:12px 0}.labels label{display:flex;gap:10px;align-items:center;min-height:44px;font-size:13px}input[type=checkbox]{width:20px;height:20px;flex:none;accent-color:#a2e5d3}input[type=text],input[type=number],textarea,select{background:#0c1729;border:1px solid #5b708b;color:#f6f8fc;border-radius:7px;padding:10px;max-width:100%}input[type=text],textarea{width:100%;margin:6px 0}textarea{min-height:100px;resize:vertical}input[type=number]{width:94px}.thresholds{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px}.thresholds label{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px}.table-wrap{overflow-x:auto;max-width:100%;margin:12px 0}table{border-collapse:collapse;width:100%;font-size:12px}th,td{text-align:left;padding:9px;border-bottom:1px solid #40516b;font-variant-numeric:tabular-nums;vertical-align:top}th{color:#b8c7db;font-weight:500}td{overflow-wrap:anywhere}progress{width:100%;height:12px;accent-color:#a2e5d3}label{line-height:1.6}svg.chart{display:block;width:100%;height:auto;background:#0c1729;border-radius:10px}svg text{fill:#c3d0e2;font:18px sans-serif}.legend{display:flex;flex-wrap:wrap;gap:12px;font-size:12px;margin:8px 0}.key{display:inline-block;width:10px;height:10px;margin-right:5px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}.metric{font-size:24px;font-weight:650}.metric small{display:block;color:#b8c7db;font-size:12px;font-weight:400}.slider{width:100%;min-height:44px}.hidden,[hidden]{display:none!important}fieldset{border:0;padding:0;margin:12px 0}legend{font-size:13px}.nowrap{white-space:nowrap}footer{margin-top:30px;font-size:12px;color:#9caec5}@media(max-width:440px){#test-app{padding:16px 14px}.tabs button{flex-basis:100px}.card{padding:12px}.thresholds{grid-template-columns:1fr}h1{font-size:23px}.actions button{flex:1 1 auto}input[type=file]{width:100%;font-size:12px}.labels{grid-template-columns:1fr}}

/* V1.5.1: one accessible native three-language picker, optimized for mobile Safari. */
.language-switch{position:relative;display:inline-flex;border:1px solid #61758d;background:#20354e;border-radius:10px;align-items:center}
.language-switch::after{content:"⌄";position:absolute;right:12px;top:50%;transform:translateY(-55%);pointer-events:none;color:#d4f1e9;font-size:18px}
.language-switch select{appearance:none;-webkit-appearance:none;min-width:130px;min-height:44px;padding:10px 34px 10px 13px;border:0;border-radius:10px;background:transparent;color:#f6f8fc;font-size:13px;cursor:pointer}
.language-switch select:focus-visible{outline:3px solid #a2e5d3;outline-offset:3px}
.language-switch option{color:#101a2c;background:#fff}