*{box-sizing:border-box}html,body{height:100%;margin:0;font-family:Inter,system-ui,Arial;background:#03040a;color:#e6eef6}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 18px;background:linear-gradient(90deg,#071226,#041020)}
.topbar h1{margin:0;font-size:18px}
.navbtn{background:transparent;border:1px solid rgba(255,255,255,0.04);color:#dbeefa;padding:8px 10px;border-radius:6px;cursor:pointer}
.main{display:flex;gap:12px;padding:18px}
.left{width:360px;background:linear-gradient(180deg,#071226,#081425);padding:12px;border-radius:8px;display:flex;flex-direction:column;gap:8px}
.left input[type=text], .left textarea{width:100%;padding:8px;border-radius:6px;border:1px solid rgba(255,255,255,0.05);background:transparent;color:#fff}
.uploader .btn{display:inline-block;padding:8px 12px;background:linear-gradient(90deg,#60a5fa,#6ee7b7);color:#042a22;border-radius:8px;cursor:pointer}
#fileList{margin:8px 0;padding:0;list-style:none;max-height:180px;overflow:auto}
#fileList li{padding:8px;border-radius:6px;background:rgba(255,255,255,0.02);margin-bottom:6px;display:flex;justify-content:space-between;align-items:center}
.viewer-section{flex:1;display:flex;flex-direction:column;gap:8px}
.viewer{height:560px;background:linear-gradient(180deg,#071226,#041020);border-radius:12px;padding:8px;position:relative}
.controls-row{display:flex;gap:8px;align-items:center;margin-top:8px}
.primary{background:linear-gradient(90deg,#6ee7b7,#60a5fa);border:none;color:#042a22;padding:8px 12px;border-radius:8px;cursor:pointer;font-weight:700;text-decoration:none;display:inline-block}
.ghost{background:transparent;border:1px solid rgba(255,255,255,0.06);padding:8px 12px;border-radius:8px;color:#cfe9ff;cursor:pointer}
.resultBox{margin-top:12px;padding:10px;background:#081426;border-radius:6px;color:#9aa7b2}
.options label{display:block;font-size:13px;color:#cfe9ff;margin-top:6px}
.perf{margin-left:auto;color:#9aa7b2;font-size:13px}