.stt-shell{display:flex;justify-content:center;padding:24px 12px}.stt-card{width:min(980px,100%);border:1px solid #e8e8e8;border-radius:18px;padding:18px;background:#fff;box-shadow:0 10px 30px rgba(0,0,0,.06)}.stt-header{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:14px}.stt-header h2{margin:0;font-size:22px;line-height:1.2}.stt-header p{margin:6px 0 0;color:#666;font-size:13px}.stt-grid{display:grid;grid-template-columns:1.4fr .9fr;gap:14px}@media (max-width:860px){.stt-grid{grid-template-columns:1fr}}.stt-drop{position:relative;border:1px dashed #cfcfcf;border-radius:16px;min-height:220px;background:linear-gradient(180deg,#fafafa,#fff);cursor:pointer;overflow:hidden}.stt-drop.drag{border-color:#888}.stt-drop input[type=file]{position:absolute;inset:0;opacity:0;cursor:pointer}.stt-drop-inner{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:18px;text-align:center}.stt-icon{font-size:22px}.stt-drop-title{font-weight:700}.stt-drop-sub{color:#777;font-size:13px}.stt-controls{border:1px solid #efefef;border-radius:16px;padding:14px;background:#fff}.stt-field{margin-bottom:12px}.stt-field label{display:block;font-size:13px;margin-bottom:6px;color:#333}.stt-field select{width:100%;padding:10px 12px;border-radius:12px;border:1px solid #e6e6e6;outline:none}.stt-check{display:flex !important;align-items:center;gap:10px;user-select:none}.stt-note{margin-top:6px;color:#777;font-size:12px}.stt-btn{width:100%;padding:12px 14px;border-radius:14px;border:0;cursor:pointer;font-weight:800;background:#111;color:#fff}.stt-progress{margin-top:12px}.stt-bar{height:10px;background:#f0f0f0;border-radius:999px;overflow:hidden;border:1px solid #e8e8e8}.stt-bar span{display:block;height:100%;width:0;background:#111;transition:width .2s ease}.stt-progress-text{margin-top:8px;font-size:12px;color:#666}.stt-result{margin-top:14px;border-top:1px solid #f0f0f0;padding-top:14px}.stt-result-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}.stt-result-title{font-weight:900}.stt-actions{display:flex;gap:10px;flex-wrap:wrap}.stt-actions a{text-decoration:none !important}.stt-link{display:inline-flex;align-items:center;justify-content:center;padding:10px 14px;border-radius:12px;border:1px solid #e6e6e6;text-decoration:none !important;color:#111;font-weight:800;font-size:13px;background:#fff;transition:transform .08s ease,box-shadow .12s ease;box-shadow:0 6px 18px rgba(0,0,0,.06);outline:none !important}.stt-link:hover{transform:translateY(-1px);box-shadow:0 10px 22px rgba(0,0,0,.1)}.stt-link:focus,.stt-link:active{outline:none !important;box-shadow:0 10px 22px rgba(0,0,0,.1)}.stt-link.primary{background:#111;color:#fff;border-color:#111}.stt-output-wrap{border:1px solid #efefef;border-radius:16px;padding:12px;background:#fff}#stt-output-img{width:100%;height:460px;max-height:60vh;object-fit:contain;display:block;background-color:#f7f7f7;background-image:linear-gradient(45deg,#e9e9e9 25%,transparent 25%),linear-gradient(-45deg,#e9e9e9 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#e9e9e9 75%),linear-gradient(-45deg,transparent 75%,#e9e9e9 75%);background-size:24px 24px;background-position:0 0,0 12px,12px -12px,-12px 0px;border-radius:12px}.stt-output-note{padding:12px;border-radius:12px;border:1px dashed #d8d8d8;color:#333;font-size:13px}.stt-msg{margin-top:10px;padding:10px 12px;border-radius:14px;border:1px dashed #d8d8d8;color:#333;font-size:13px}.stt-msg.ok{border-color:#7bd389}.stt-msg.err{border-color:#e06464}.stt-auth p{margin:0 0 12px}.stt-auth label{display:block;font-size:13px;margin:0 0 6px;color:#333;font-weight:700}.stt-auth input{width:100%;padding:11px 12px;border-radius:12px;border:1px solid #e6e6e6;outline:none;background:#fff}.stt-auth input:focus{border-color:#111}.stt-drop.has-file{border-color:#22c55e;background:rgba(34,197,94,.06)}.stt-btn.ready{box-shadow:0 0 0 3px rgba(0,0,0,.08)}