:root{--bg:#0b0d10;--bg-elevated:#12151a;--bg-panel:#171b21;--border:#262b33;--border-strong:#303641;--text:#e6e9ee;--text-muted:#9aa3af;--text-faint:#6b7280;--accent:#5b8cff;--accent-hover:#6f9bff;--accent-dim:#5b8cff1f;--success:#34d399;--success-dim:#34d3991f;--error:#f87171;--error-dim:#f871711f;--warning:#fbbf24;--warning-dim:#fbbf241f;--running:#38bdf8;--running-dim:#38bdf81f;--radius:10px;--radius-sm:7px;--font-mono:ui-monospace, "SFMono-Regular", "JetBrains Mono", Menlo, Consolas, monospace;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;font-size:14px;line-height:1.5}.app-shell{grid-template-columns:232px 1fr;height:100vh;display:grid}.sidebar{border-right:1px solid var(--border);background:var(--bg-elevated);flex-direction:column;gap:4px;padding:20px 14px;display:flex}.brand{align-items:center;gap:10px;padding:2px 8px 18px;display:flex}.brand-mark{background:linear-gradient(135deg, var(--accent), #7c5cff);color:#fff;border-radius:8px;place-items:center;width:28px;height:28px;font-size:13px;font-weight:700;display:grid}.brand-name{letter-spacing:-.01em;font-size:15px;font-weight:600}.brand-sub{color:var(--text-faint);margin-top:-2px;font-size:11px}.nav-link{border-radius:var(--radius-sm);color:var(--text-muted);align-items:center;gap:10px;padding:8px 10px;font-weight:500;text-decoration:none;transition:background .12s,color .12s;display:flex}.nav-link:hover{color:var(--text);background:#ffffff0a}.nav-link.active{background:var(--accent-dim);color:var(--accent)}.nav-link svg{flex-shrink:0}.nav-section{color:var(--text-faint);text-transform:uppercase;letter-spacing:.06em;padding:18px 10px 6px;font-size:11px;font-weight:600}.health{border-radius:var(--radius-sm);background:var(--bg-panel);border:1px solid var(--border);color:var(--text-muted);align-items:center;gap:8px;margin-top:auto;padding:10px;font-size:12px;display:flex}.health-dot{border-radius:50%;flex-shrink:0;width:8px;height:8px}.health-dot.ok{background:var(--success);box-shadow:0 0 0 3px var(--success-dim)}.health-dot.bad{background:var(--error);box-shadow:0 0 0 3px var(--error-dim)}.main{padding:32px 40px;overflow-y:auto}.page{max-width:960px;margin:0 auto}.page-header{margin-bottom:24px}.page-title{letter-spacing:-.02em;margin:0;font-size:22px;font-weight:650}.page-sub{color:var(--text-muted);margin-top:4px}.card{background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.card+.card{margin-top:16px}.card-title{margin:0 0 14px;font-size:14px;font-weight:600}.field{margin-bottom:16px}.label{color:var(--text-muted);margin-bottom:6px;font-size:12px;font-weight:600;display:block}.input,.select,.textarea{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-sm);width:100%;color:var(--text);padding:9px 12px;font-family:inherit;font-size:14px;transition:border-color .12s,box-shadow .12s}.input:focus,.select:focus,.textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim);outline:none}.textarea{resize:vertical;min-height:80px}.select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239aa3af' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-position:right 12px center;background-repeat:no-repeat;padding-right:34px}.btn{border-radius:var(--radius-sm);cursor:pointer;border:1px solid #0000;align-items:center;gap:8px;padding:9px 16px;font-family:inherit;font-size:14px;font-weight:600;transition:background .12s,border-color .12s,opacity .12s;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-secondary{background:var(--bg-elevated);border-color:var(--border);color:var(--text)}.btn-secondary:hover:not(:disabled){border-color:var(--border-strong);background:#1b1f26}.btn-ghost{color:var(--text-muted);background:0 0}.btn-ghost:hover:not(:disabled){color:var(--text);background:#ffffff0d}.btn-danger{background:var(--error-dim);color:var(--error)}.badge{border-radius:999px;align-items:center;gap:6px;padding:3px 10px;font-size:12px;font-weight:600;display:inline-flex}.badge .badge-dot{border-radius:50%;width:6px;height:6px}.badge.tone-queued{background:var(--warning-dim);color:var(--warning)}.badge.tone-queued .badge-dot{background:var(--warning)}.badge.tone-running{background:var(--running-dim);color:var(--running)}.badge.tone-running .badge-dot{background:var(--running);animation:1.2s ease-in-out infinite pulse}.badge.tone-success{background:var(--success-dim);color:var(--success)}.badge.tone-success .badge-dot{background:var(--success)}.badge.tone-error{background:var(--error-dim);color:var(--error)}.badge.tone-error .badge-dot{background:var(--error)}@keyframes pulse{0%,to{opacity:1}50%{opacity:.3}}.muted{color:var(--text-muted)}.error-banner{border-radius:var(--radius-sm);background:var(--error-dim);color:var(--error);border:1px solid #f871714d;align-items:flex-start;gap:10px;padding:12px 14px;font-size:13px;display:flex}.success-note{border-radius:var(--radius-sm);background:var(--success-dim);color:var(--success);border:1px solid #34d39940;padding:12px 14px;font-size:13px}.empty{text-align:center;color:var(--text-faint);padding:40px 20px}.spinner{border:2px solid var(--border-strong);border-top-color:var(--accent);border-radius:50%;width:18px;height:18px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.center-block{color:var(--text-muted);flex-direction:column;align-items:center;gap:12px;padding:48px 0;display:flex}.row{align-items:center;gap:10px;display:flex}.row-between{justify-content:space-between;align-items:center;gap:10px;display:flex}.spread{flex:1}.list-row{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-elevated);cursor:pointer;align-items:center;gap:12px;margin-bottom:8px;padding:12px 14px;transition:border-color .12s,background .12s;display:flex}.list-row:hover{border-color:var(--border-strong);background:#1a1e25}.list-row.selected{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim)}.list-row-title{font-weight:600}.list-row-sub{color:var(--text-faint);font-size:12px}.dropzone{border:2px dashed var(--border-strong);border-radius:var(--radius);text-align:center;color:var(--text-muted);cursor:pointer;padding:48px 24px;transition:border-color .12s,background .12s}.dropzone:hover,.dropzone.drag{border-color:var(--accent);background:var(--accent-dim)}.dropzone.has-file{border-style:solid;border-color:var(--border);cursor:default}.file-chip{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-sm);align-items:center;gap:12px;padding:14px;display:flex}.file-icon{border-radius:var(--radius-sm);background:var(--error-dim);width:40px;height:40px;color:var(--error);flex-shrink:0;place-items:center;font-size:11px;font-weight:700;display:grid}.editor-wrap{border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden}.editor-wrap .cm-editor{background:var(--bg-elevated);font-size:13px}.editor-wrap .cm-editor.cm-focused{outline:none}.editor-wrap .cm-gutters{background:var(--bg-elevated);border-right:1px solid var(--border);color:var(--text-faint)}.json-tree{font-family:var(--font-mono);font-size:13px}.json-tree 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12px}.meta-label{color:var(--text-faint);text-transform:uppercase;letter-spacing:.04em;margin-bottom:2px;font-size:11px}.meta-value{font-size:13px;font-weight:500}