.breadcrumb{font-size:13px;color:var(--muted);padding:16px 0}
.breadcrumb a{color:var(--muted)}
.tool-header{text-align:center;padding:24px 0 32px}
.tool-header .icon{font-size:48px;margin-bottom:12px;display:block}
.tool-header h1{font-size:32px;font-weight:800;margin-bottom:8px}
.tool-header p{color:var(--muted);font-size:16px}
.tool-area{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:32px;margin-bottom:32px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;font-weight:600}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:10px 14px;background:var(--bg);border:1px solid var(--border);border-radius:8px;color:var(--text);font-size:14px;outline:none}
.form-group input:focus,.form-group textarea:focus{border-color:var(--accent)}
.form-group textarea{min-height:200px;font-family:'SF Mono',Monaco,monospace;font-size:13px;resize:vertical}
.btn{display:inline-block;padding:12px 24px;border-radius:10px;font-size:14px;font-weight:700;border:none;cursor:pointer;transition:all .2s}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff}
.btn-primary:hover{opacity:.9}
.btn-secondary{background:var(--surface2);color:var(--text);border:1px solid var(--border)}
.btn-full{width:100%;text-align:center}
.upload-zone{border:2px dashed var(--border);border-radius:12px;padding:48px 24px;text-align:center;cursor:pointer;transition:all .2s;margin-bottom:16px}
.upload-zone:hover,.upload-zone.dragover{border-color:var(--accent);background:rgba(99,102,241,0.05)}
.upload-zone .upload-icon{font-size:40px;margin-bottom:8px;display:block}
.upload-zone p{color:var(--muted);font-size:14px}
.result{margin-top:20px;padding:16px;background:var(--bg);border:1px solid var(--border);border-radius:10px;display:none}
.result.show{display:block}
.result pre{background:var(--surface2);padding:16px;border-radius:8px;overflow-x:auto;font-family:'SF Mono',Monaco,monospace;font-size:13px;white-space:pre-wrap;word-break:break-all}
.result .preview{text-align:center;padding:20px}
.result .preview img{max-width:100%;border-radius:8px;border:1px solid var(--border)}
.error{color:#ef4444;font-size:13px;margin-top:8px;display:none}
.error.show{display:block}
.loading{display:none;text-align:center;padding:20px;color:var(--muted)}
.loading.show{display:block}
.loading .spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 8px}
@keyframes spin{to{transform:rotate(360deg)}}
.range-row{display:flex;align-items:center;gap:12px}
.range-row input[type=range]{flex:1;accent-color:var(--accent)}
.range-row .val{font-size:14px;font-weight:700;min-width:40px;text-align:right}
.file-info{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:var(--bg);border:1px solid var(--border);border-radius:8px;margin-bottom:16px;font-size:13px}
.file-info .name{font-weight:600}
.file-info .size{color:var(--muted)}
@media(max-width:640px){.tool-header h1{font-size:24px}}