.wstt-container{max-width:900px;margin:18px auto;padding:12px;font-size:12px;font-family:inherit;color:#222;}
.wstt-card{background:#fff;border-radius:10px;box-shadow:0 4px 18px rgba(0,0,0,0.06);padding:14px;margin-bottom:14px;}
.wstt-title{font-size:1.1rem;text-align:center;margin-bottom:10px;}
#wstt-form{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:center;}
#wstt-url{flex:1 1 300px;padding:8px;border:1px solid #ddd;border-radius:6px;font-size:12px;}
#wstt-device{padding:8px;border:1px solid #ddd;border-radius:6px;font-size:12px;}
.wstt-btn{padding:7px 12px;border:none;border-radius:6px;background:#1d2d06;color:#fff;cursor:pointer;font-size:12px;}
.wstt-btn:hover{opacity:0.95;}
.wstt-btn-reset{background:#444;}
#wstt-progress{margin-top:12px;height:6px;background:#f1f1f1;border-radius:4px;overflow:hidden;}
#wstt-progress .bar{width:0;height:100%;background:linear-gradient(90deg,#1d2d06,#5a7a1a);transition:width 0.6s ease;}
.wstt-report-title{text-align:center;font-size:1rem;margin:10px 0;display:none;}
#wstt-result-area{animation:fadeIn 0.8s ease;}
@keyframes fadeIn{from{opacity:0;}to{opacity:1;}}