:root{--text: #e5e7eb;--muted: #94a3b8;--border: #334155;--button-bg: #0f172a;--button-text: #e5e7eb;--button-border: #334155;--panel: rgba(8,12,22,.65);--card-border: rgba(255,255,255,.08);--panel-2: rgba(8,12,22,.5);--fg: var(--text);--fg-dim: var(--muted);--chip-ok-bg: #12391a;--chip-ok-fg: #86efac;--font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace}.app-grid{position:relative;z-index:1;display:grid;grid-auto-rows:min-content;align-items:start;width:100%;margin:0}.app-root{min-height:100vh;display:block;position:relative}.cols-1{grid-template-columns:1fr}.cols-2{grid-template-columns:auto 1fr}.pad-8{padding:8px}.pad-16{padding:16px}.grid-1,.grid-gap8{display:grid;grid-template-columns:1fr;gap:8px}.grid-gap10-2cols{display:grid;grid-template-columns:1fr 1fr;gap:8px}.row-1fr-auto{display:grid;grid-template-columns:1fr auto;gap:6px;align-items:center}.flex-row{display:flex;align-items:center;gap:6px}.inline-flex-row{display:inline-flex;align-items:center;gap:6px}.center{text-align:center}.right{text-align:right}.justify-between{display:flex;justify-content:space-between;gap:6px}.align-center{display:flex;align-items:center;gap:8px}.mb-6{margin-bottom:6px}.mb-8{margin-bottom:8px}.mt-8{margin-top:8px}.mr-4{margin-right:4px}.ox-auto{overflow-x:auto}.w-90{width:90px}.w-150{width:150px}.h-32{height:32px}.minw-40{min-width:40px}.gap-10{gap:10px}.hidden{display:none!important}.block{display:block}.small{font-size:12px}.text{color:var(--text)}.muted{color:var(--muted)}.bold{font-weight:600}.section-title{font-weight:600;color:var(--text);font-size:12px;opacity:.9}.hr-thin{height:1px;background:var(--border);opacity:.3;margin:4px 0}.input{width:100%;min-width:0;height:36px;border-radius:10px;border:1px solid var(--button-border);background:var(--button-bg);color:var(--button-text);padding:0 8px;font-size:14px}.select{width:100%;height:36px;border-radius:10px;border:1px solid var(--button-border);background:var(--button-bg);color:var(--button-text);padding:0 8px;font-size:14px}.select{font-weight:600}.label{display:block;color:var(--text);font-size:12px;margin-bottom:6px}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--button-border);background:var(--button-bg);color:var(--button-text);border-radius:4px;padding:2px 6px;cursor:pointer}.btn-round{width:36px;height:36px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;font-size:18px;line-height:36px}.btn-mr{margin-right:4px}.btn-block{display:block;width:100%;padding:10px;font-weight:600}.btn:disabled{cursor:not-allowed;opacity:.6}.bar{display:flex;justify-content:space-between;gap:6px}.bar-left{display:flex;align-items:center;gap:8px}.bar-end{display:flex;justify-content:flex-end;gap:8px}.grid-gap6{display:grid;grid-template-columns:1fr;gap:6px;margin-bottom:6px}.label-dark{color:#000;font-size:12px}.svg-full{width:100%;height:100%;display:block}.card{background:var(--panel);border:1px solid var(--card-border);border-radius:12px;padding:12px}.card-controls{width:100%;max-width:260px;margin:0 10px}.preview-card{width:100%;max-width:260px;margin:0 10px;color:var(--text);outline:none}.svg-canvas{background:var(--button-bg);border:1px solid var(--border);border-radius:8px;-webkit-user-select:none;user-select:none;touch-action:none}.svg-canvas.grab{cursor:grab}.svg-canvas.grabbing{cursor:grabbing}.glass{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.pre-block{margin:0;padding:12px;border-radius:10px;background:var(--panel-2);border:1px solid #2b3646;color:var(--text);font-family:var(--font-mono);font-size:13px;line-height:1.35;overflow-x:auto}.seg{gap:2px;background:#0f172a;border:1px solid var(--button-border);border-radius:12px;padding:2px}.seg-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;cursor:pointer;padding:8px 12px;border-radius:10px;font-size:14px;min-width:56px;touch-action:manipulation;color:#cbd5e1;background:transparent}.seg-btn.seg-active{background:#111827;color:#e5e7eb}.table{width:100%;border-collapse:collapse;font-size:12px}.th{text-align:left;border-bottom:1px solid var(--border);padding:6px}.td{border-bottom:1px solid var(--border);padding:6px}.caption-small{font-size:11px;opacity:.75;margin-top:4px}.bg-fixed{position:fixed;top:0;right:0;bottom:0;left:0;z-index:-1;pointer-events:none}.abs-fill{position:absolute;top:0;right:0;bottom:0;left:0;display:block}.bg-rock{background-image:url(/fretfactory/img/rock.png);background-size:cover;background-position:center;filter:brightness(1.12)}.ad-card{background:var(--panel);border:1px solid var(--card-border);border-radius:12px;padding:8px}.chip{border-radius:999px;padding:2px 8px;font-size:12px;font-weight:600;display:inline-block}.chip-ok{background:var(--chip-ok-bg);color:var(--chip-ok-fg)}