.nigah{--color-bg:#0b1214;--color-surface:#132022;--color-surface-2:#1c2e32;--color-fg:#e7f1ee;--color-muted:#b7c7c2;--color-primary:#3ecfb2;--color-primary-fg:#06211c;--color-caution:#f0b56a;--color-border:#2c4448;--radius-lg:.75rem;--radius-md:.5rem;--radius-sm:.375rem;color:var(--color-fg);background:var(--color-bg);border:1px solid var(--color-border);border-radius:1rem;padding:1rem}.nigah .text-fg{color:var(--color-fg)}.nigah .text-muted{color:var(--color-muted)}.nigah .text-primary{color:var(--color-primary)}.nigah .text-caution{color:var(--color-caution)}.nigah .bg-surface{background:var(--color-surface)}.nigah .border-caution{border-color:var(--color-caution)}.nigah .border-border{border-color:var(--color-border)}.nigah .panel{border:1px solid var(--color-border);background:var(--color-surface);border-radius:var(--radius-lg);padding:.875rem}.nigah .btn{border-radius:var(--radius-md);border:1px solid var(--color-border);background:var(--color-surface-2);min-height:2.75rem;color:var(--color-fg);font:inherit;cursor:pointer;justify-content:center;align-items:center;gap:.5rem;padding:.5rem .875rem;font-size:.875rem;font-weight:500;line-height:1.25rem;display:inline-flex}.nigah .btn:hover:not(:disabled){border-color:var(--color-primary)}.nigah .btn[aria-pressed=true]{background:var(--color-primary);color:var(--color-primary-fg);border-color:var(--color-primary)}.nigah .btn[aria-pressed=true] *{color:inherit}.nigah .btn-primary{background:var(--color-primary);color:var(--color-primary-fg);border-color:var(--color-primary)}.nigah .btn:disabled{opacity:.45;cursor:not-allowed}.nigah .btn:focus-visible,.nigah a:focus-visible,.nigah input:focus-visible,.nigah textarea:focus-visible,.nigah summary:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.nigah .field{border-radius:var(--radius-md);border:1px solid var(--color-border);background:var(--color-bg);width:100%;color:var(--color-fg);font:inherit;padding:.625rem .75rem;font-size:.875rem}.nigah .ct-canvas{width:100%;height:auto;image-rendering:pixelated;background:var(--color-bg);display:block}.nigah .hist-canvas{background:var(--color-bg);border-radius:var(--radius-sm);width:100%;height:4.5rem;display:block}.nigah .row-btn{border-radius:var(--radius-md);width:100%;color:var(--color-fg);font:inherit;text-align:left;background:0 0;border:1px solid #0000;align-items:center;gap:.5rem;padding:.5rem .625rem;font-size:.875rem;line-height:1.25rem;display:flex}.nigah .row-btn:hover{background:var(--color-surface-2)}.nigah .row-btn[aria-current=true]{border-color:var(--color-primary);background:var(--color-surface-2)}.nigah .nv-stage{border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-bg);min-height:22rem;position:relative;overflow:hidden}.nigah .nv-canvas{background:0 0;width:100%;height:min(72vh,40rem);display:block}.nigah .nv-overlay{pointer-events:none;background:0 0;width:100%;height:100%;position:absolute;inset:0}.nigah .nv-overlay.is-hot{pointer-events:auto;touch-action:none;cursor:crosshair}.nigah .nv-toolbar{z-index:2;gap:.35rem;display:flex;position:absolute;top:.5rem;left:50%;transform:translate(-50%)}.nigah input[type=range]{accent-color:var(--color-primary);width:100%}.nigah summary{cursor:pointer}