*{box-sizing:border-box}html{background:#101114}body{margin:0;color:#eeeef1;background:#101114;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;font-size:15px;line-height:1.45}header{position:sticky;top:0;z-index:3;display:flex;justify-content:space-between;align-items:center;gap:12px;background:#15161a;border-bottom:1px solid #303139;padding:calc(12px + env(safe-area-inset-top)) 16px 12px}header small{font-size:10px;color:#a9abb4;letter-spacing:1.2px}h1{font-size:21px;letter-spacing:.4px;margin:2px 0 0}h1 span{color:#ec4453}main{max-width:820px;margin:auto;padding:14px 14px calc(32px + env(safe-area-inset-bottom))}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-bottom:14px}.metrics div,.panel,.item,.stat{background:#1c1d22;border:1px solid #32333a;border-radius:13px}.metrics div{display:flex;flex-direction:column;align-items:center;padding:11px 5px}.metrics b{font-size:24px}.metrics small,.muted,small.hint{font-size:12px;color:#a9abb4}nav{display:flex;gap:7px;overflow:auto;padding-bottom:11px;scrollbar-width:none}nav button{white-space:nowrap;flex:none;padding:10px 13px;background:#23252a;border:1px solid #35363d;color:#d5d6db;border-radius:12px}nav button.active{background:#ad2734;color:white;border-color:#d43a4b}.panel{padding:15px;margin:0 0 13px}h2{font-size:19px;margin:0 0 12px}h3{font-size:15px;margin:15px 0 8px}.hint{font-size:12px;color:#b1b1bb}.label{display:block;font-size:13px;color:#bdbfc8;font-weight:600;margin:13px 0 6px}textarea,input,select{width:100%;font:inherit;color:#f7f7f8;background:#111216;border:1px solid #4b4c55;border-radius:10px;padding:11px;outline:none}textarea:focus,input:focus,select:focus{border-color:#ef4a59}textarea{resize:vertical;min-height:100px}input[type=range]{padding:5px;accent-color:#ed4556}input[type=checkbox]{width:20px;height:20px;accent-color:#db3c4d}.check{display:flex;align-items:center;gap:9px;padding:9px 0}.seg{display:flex;gap:6px;flex-wrap:wrap}.seg button,.btn,.small{border:1px solid #464750;background:#282930;color:#f3f3f6;border-radius:10px;padding:10px 12px;font:inherit;font-weight:600}.seg button.on,.btn.primary{background:#c22c3e;border-color:#d83b4e;color:white}.btn{display:block;width:100%;margin:10px 0;text-align:center}.btn:disabled{opacity:.4}.small{font-size:12px;padding:9px}.item{padding:12px;margin:6px 0;cursor:pointer}.item.active{border-color:#e64a59;background:#332126}.item small{display:block;color:#aaaab5;margin-top:4px}.item strong{font-size:14px}.list{max-height:48vh;overflow:auto}.row{display:flex;justify-content:space-between;align-items:center;gap:10px}.row>div{min-width:0}.tag{font-size:12px;border-radius:7px;background:#30323a;padding:4px 7px}.warn{border-left:3px solid #e5a546;background:#31291c;padding:10px;border-radius:6px;margin:9px 0}.ok{border-left:3px solid #53bc8b;background:#1c3028;padding:10px;border-radius:6px;margin:9px 0}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}.stat{padding:12px}.stat b{font-size:23px;display:block}.stat small{color:#aaa}.line{padding:8px 0;border-bottom:1px solid #34353b}.line small{display:block;color:#a9abb4}.preview{font-size:11px;line-height:1.5;white-space:pre-wrap;overflow-wrap:anywhere;max-height:430px;overflow:auto;background:#101114;padding:12px;border:1px solid #37383f;border-radius:10px;user-select:text;-webkit-user-select:text}.refcard{border:1px solid #383941;border-radius:11px;padding:12px;margin:10px 0}.refcard img{width:100%;max-height:180px;object-fit:contain;margin:8px 0;border-radius:8px;background:#101114}.refcard input[type=file]{font-size:12px}.refcard button{margin-top:7px}.row button{flex-shrink:0}.red{color:#ef5260}#toast{position:fixed;bottom:calc(22px + env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);background:#f5f5f5;color:#171717;padding:10px 15px;border-radius:10px;opacity:0;pointer-events:none;transition:opacity .2s;z-index:10;font-size:13px;max-width:90%;text-align:center}#toast.show{opacity:1}@media(min-width:650px){nav{flex-wrap:wrap}.panel{padding:20px}}
.signPreview{margin-top:12px}.signPreview small{display:block;margin-bottom:8px}.signPreview>div{border-radius:10px;padding:16px;white-space:normal;overflow-wrap:anywhere;text-align:center;font-weight:900;line-height:1.28;min-height:64px;letter-spacing:.035em}.darkSign{background:#101010}.lightSign{background:#f8f7f4}

/* V9.0 touch-friendly controls */
#tabs button{min-height:43px}.panel select,.panel input,.panel textarea{font-size:16px}.panel button{touch-action:manipulation}