.stt-tool{max-width:800px;margin:0 auto}.stt-privacy-badge{display:flex;align-items:center;gap:8px;background:linear-gradient(135deg,#e8f5e9,#c8e6c9);border:1px solid #a5d6a7;border-radius:8px;padding:12px 16px;margin-bottom:20px;font-size:14px;color:#2e7d32;font-weight:500}.stt-privacy-icon{font-size:18px;flex-shrink:0}.stt-upload{border:2px dashed var(--border);border-radius:12px;padding:48px 24px;text-align:center;cursor:pointer;transition:all .2s ease;background:var(--bg-secondary)}.stt-upload:hover,.stt-upload.drag-over{border-color:var(--accent);background:var(--bg-accent-subtle)}.stt-upload-icon{font-size:48px;margin-bottom:12px}.stt-upload-text{font-size:16px;color:var(--text-primary);margin:0 0 8px}.stt-upload-hint{font-size:13px;color:var(--text-secondary);margin:0}.stt-file-info{display:flex;align-items:center;gap:12px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;padding:12px 16px;margin-bottom:16px}.stt-file-icon{font-size:24px}.stt-file-details{flex:1;min-width:0;display:flex;flex-direction:column}.stt-file-name{font-weight:500;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.stt-file-size{font-size:13px;color:var(--text-secondary)}.stt-file-remove{width:28px;height:28px;border-radius:50%;border:none;background:var(--bg-tertiary);color:var(--text-secondary);font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}.stt-file-remove:hover{background:var(--danger);color:#fff}.stt-settings{background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;padding:16px;margin-bottom:16px}.stt-setting-row{display:flex;align-items:center;gap:12px;margin-bottom:12px}.stt-setting-row:last-of-type{margin-bottom:16px}.stt-label{font-weight:500;color:var(--text-primary);min-width:70px}.stt-select{flex:1;padding:8px 12px;border:1px solid var(--border);border-radius:6px;background:var(--bg-primary);color:var(--text-primary);font-size:14px;cursor:pointer}.stt-select:focus{outline:none;border-color:var(--accent)}.stt-start-btn{width:100%;text-align:center}.stt-loading,.stt-transcribing{text-align:center;padding:40px 20px}.stt-loading-icon{font-size:48px;margin-bottom:12px;animation:stt-pulse 1.5s infinite}@keyframes stt-pulse{0%,to{opacity:1}50%{opacity:.5}}.stt-loading-title,.stt-transcribing-title{font-size:18px;font-weight:600;color:var(--text-primary);margin:0 0 8px}.stt-loading-hint,.stt-transcribing-hint{font-size:14px;color:var(--text-secondary);margin:0 0 20px}.stt-progress-track{width:100%;max-width:400px;height:8px;background:var(--bg-tertiary);border-radius:4px;margin:0 auto 12px;overflow:hidden}.stt-progress-fill{height:100%;background:linear-gradient(90deg,var(--accent),#64b5f6);border-radius:4px;transition:width .3s ease}.stt-progress-fill.indeterminate{width:30%;animation:stt-indeterminate 1.5s infinite ease-in-out}@keyframes stt-indeterminate{0%{transform:translate(-100%)}to{transform:translate(400%)}}.stt-progress-text{font-size:13px;color:var(--text-secondary);margin:0}.stt-spinner{width:48px;height:48px;border:4px solid var(--bg-tertiary);border-top-color:var(--accent);border-radius:50%;animation:stt-spin 1s linear infinite;margin:0 auto 16px}@keyframes stt-spin{to{transform:rotate(360deg)}}.stt-result{background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;padding:16px}.stt-result-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--border)}.stt-result-title{font-weight:600;color:var(--text-primary)}.stt-result-lang{font-size:13px;color:var(--text-secondary);background:var(--bg-tertiary);padding:4px 8px;border-radius:4px}.stt-result-box{background:var(--bg-primary);border:1px solid var(--border);border-radius:6px;padding:16px;max-height:400px;overflow-y:auto;font-family:Menlo,Monaco,Courier New,monospace;font-size:14px;line-height:1.6;white-space:pre-wrap;color:var(--text-primary);margin-bottom:16px}.stt-result-box .timestamp{color:var(--accent);font-weight:500;font-size:12px;margin-right:8px}.stt-actions{display:flex;flex-wrap:wrap;gap:8px}.stt-error{text-align:center;padding:40px 20px}.stt-error-icon{font-size:48px;margin-bottom:12px}.stt-error-msg{font-size:16px;color:var(--text-secondary);margin:0 0 20px}.faq-section{margin-top:40px;border-top:1px solid var(--border);padding-top:24px}.faq-section h2{font-size:20px;margin-bottom:16px;color:var(--text-primary)}.faq-item{margin-bottom:16px}.faq-item h3{font-size:15px;font-weight:600;color:var(--text-primary);margin:0 0 6px}.faq-item p{font-size:14px;color:var(--text-secondary);line-height:1.6;margin:0}.faq-item a{color:var(--accent);text-decoration:none}.faq-item a:hover{text-decoration:underline}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 16px;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;border:1px solid transparent;text-decoration:none}.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.btn-secondary{background:var(--bg-primary);color:var(--text-primary);border-color:var(--border)}.btn-secondary:hover{background:var(--bg-tertiary);border-color:var(--text-secondary)}@media (max-width: 600px){.stt-upload{padding:32px 16px}.stt-actions{flex-direction:column}.stt-actions .btn{width:100%;justify-content:center}.stt-setting-row{flex-direction:column;align-items:flex-start;gap:6px}.stt-select{width:100%}}