.back-link{color:var(--text-muted);font-size:14px;display:inline-block;margin-bottom:16px}.back-link:hover{color:var(--accent)}.tool-hero{margin-bottom:24px}.tool-hero h2{font-size:28px;font-weight:600;margin:0 0 8px}.tool-hero .subtitle{color:var(--text-muted);margin:0 0 16px;max-width:720px}.tool-stage{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm);margin-bottom:16px}.tool-stage h3{margin:0 0 12px;font-size:15px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em}.btn-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}textarea{font:inherit;font-family:ui-monospace,SFMono-Regular,SF Mono,Menlo,Consolas,monospace;font-size:13px;width:100%;min-height:180px;padding:10px 12px;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--text);resize:vertical}textarea:focus{outline:2px solid var(--accent);outline-offset:1px}textarea.mono-output{background:#f9fafb;white-space:pre;overflow-x:auto}.field-grid{display:grid;grid-template-columns:1fr;gap:12px}@media(min-width:720px){.field-grid.two{grid-template-columns:1fr 1fr}}label.field-label{display:block;font-size:13px;color:var(--text-muted);margin-bottom:4px}.status-line{margin-top:10px;font-size:13px;color:var(--text-muted);min-height:18px}.status-line.ok{color:var(--success)}.status-line.err{color:var(--danger)}.kv-table{width:100%;border-collapse:collapse;font-size:14px}.kv-table th,.kv-table td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border);vertical-align:top}.kv-table th{width:30%;color:var(--text-muted);font-weight:500}.kv-table td code{font-family:ui-monospace,SFMono-Regular,SF Mono,Menlo,Consolas,monospace;font-size:12.5px;background:#f3f4f6;padding:2px 6px;border-radius:4px;word-break:break-all}.copy-btn{font-size:12px;padding:3px 10px}.tool-help{margin-top:32px}.tool-help h3{font-size:17px;font-weight:600;margin:0 0 12px}.tool-help details{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:12px 16px;margin-bottom:8px}.tool-help summary{font-weight:500;cursor:pointer}.tool-help details[open] summary{margin-bottom:8px}.tool-help details p,.tool-help details ul,.tool-help details ol{margin:0 0 8px;color:var(--text-muted);font-size:14px}.tool-help details ul,.tool-help details ol{padding-left:20px}.inline-tag{display:inline-block;padding:2px 8px;border-radius:4px;background:#f3f4f6;color:var(--text-muted);font-size:12px;margin-right:6px}.flag-row{display:flex;flex-wrap:wrap;gap:8px 14px;margin:8px 0}.flag-row label{display:inline-flex;align-items:center;gap:4px;font-size:13px;color:var(--text);cursor:pointer}.match-hl{background:#fef08a;border-radius:2px;padding:1px 0}.diff-line{font-family:ui-monospace,SFMono-Regular,SF Mono,Menlo,Consolas,monospace;font-size:13px;padding:2px 8px;white-space:pre-wrap;word-break:break-all}.diff-add{background:#ecfdf5;color:#065f46}.diff-del{background:#fef2f2;color:#991b1b}.diff-eq{color:var(--text-muted)}.color-swatch{display:inline-block;width:32px;height:32px;border-radius:6px;border:1px solid var(--border);vertical-align:middle;margin-right:8px}.uuid-output{font-family:ui-monospace,SFMono-Regular,SF Mono,Menlo,Consolas,monospace;font-size:13px;white-space:pre;background:#f9fafb;border:1px solid var(--border);border-radius:8px;padding:12px;max-height:360px;overflow:auto}